/usr/share/ncarg/nclscripts/wrf/WRFUserARW.ncl is in libncarg-data 6.2.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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;--------------------------------------------------------------------------------
; function wrf_user_set_xy( var:numeric, xp:numeric, yp:numeric, x1:numeric, \
; y1:numeric,angle:numeric ,opts )
; function wrf_user_intrp3d( var3d:numeric, z:numeric, plot_type:string, \
; loc_param:numeric, angle:numeric, opts:logical )
; function wrf_user_intrp2d( var2d:numeric, \
; loc_param:numeric, angle:numeric, opts:logical )
; function wrf_user_getvar( file_handle, variable:string, time:integer )
; function wrf_user_list_times( file_handle )
; function wrf_user_ll_to_ij( nc_file:file, longitude:numeric, latitude:numeric, \
; opts:logical )
; function wrf_user_ij_to_ll( nc_file:file, i:numeric, j:numeric \
; opts:logical )
; function wrf_contour(nc_file:file,wks[1]: graphic, data[*][*]:numeric, \
; opt_args[1]:logical)
; function wrf_vector(nc_file:file,wks[1]: graphic, data_u[*][*]:numeric, \
; data_v[*][*]:numeric, opt_args[1]:logical)
; function wrf_map_resources(in_file[1]:file,opt_args[1]:logical)
; function wrf_map(wks[1]:graphic,in_file[1]:file,opt_args[1]:logical)
; function wrf_map_overlays(in_file[1]:file,wks:graphic,base[1]:graphic, \
; plots[*]:graphic,opt_arg[1]:logical,mp_arg[1]:logical)
; function wrf_overlays(in_file[1]:file,wks:graphic, plots[*]:graphic, \
; opt_arg[1]:logical)
; function wrf_user_unstagger( varin:numeric, unstagDim:string )
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Thse functions are still experimental
; function wrf_wps_dom(wks[1]:graphic,mpres[1]:logical,lnres[1]:logical,txres[1]:logical)
; function wrf_contour_ps(nc_file:file,wks[1]: graphic, data[*][*]:numeric, \
; opt_args[1]:logical)
; function wrf_vector_ps(nc_file:file,wks[1]: graphic, \
; data_u[*][*]:numeric, data_v[*][*]:numeric, \
; opt_args[1]:logical)
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; These functions/procedures are obsolete as of version 5.0.1 of NCL.
; Do not use them.
; Use wrf_overlays instead of wrf_overlay
; Use wrf_map_overlays instead of wrf_map_overlay
; Use wrf_user_ll_to_ij instead of wrf_user_latlon_to_ij
;
; function wrf_map_zoom(wks[1]:graphic,in_file[1]:file,opt_args[1]:logical, \
; y1:integer,y2:integer,x1:integer,x2:integer)
; procedure wrf_map_overlay(wks:graphic,base[1]:graphic, \
; plots[*]:graphic, \
; opt_arg[1]:logical)
; procedure wrf_overlay(wks:graphic, plots[*]:graphic, \
; opt_arg[1]:logical)
; function wrf_user_latlon_to_ij( nc_file:file, latitude:numeric,
; longitude:numeric )
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; function add_white_space(str:string,maxlen:integer)
; procedure print_opts(opts_name,opts,debug)
; procedure print_header(icount:integer,debug)
;
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
undef("wrf_user_set_xy")
function wrf_user_set_xy( var:numeric, xp:numeric, yp:numeric, x1:numeric, \
y1:numeric, angle:numeric, opts )
; mass coordinate version of ncl user routines
local dims,x,y,slope,intercept,distance,dx,dy,dxy,npts,xy
begin
; find intersection of line and domain boundaries
dims = dimsizes(var)
if (.not. opts) then ; We have a pivot point and location and
; need to calculate the start and end points of
; the cross section
if ((angle .gt. 315.) .or. (angle .lt. 45.) .or. \
((angle .gt. 135.) .and. (angle .lt. 225.)) ) then
; x = y*slope + intercept
slope = -(360.-angle)/45.
if( angle .lt. 45. ) then
slope = angle/45.
end if
if( angle .gt. 135.) then
slope = (angle-180.)/45.
end if
intercept = xp - yp*slope
; find intersections with domain boundaries
y0 = 0.
x0 = y0*slope + intercept
if( x0 .lt. 0.) then ; intersect outside of left boundary
x0 = 0.
y0 = (x0 - intercept)/slope
end if
if( x0 .gt. dims(2)-1) then ; intersect outside of right boundary
x0 = dims(2)-1
y0 = (x0 - intercept)/slope
end if
y1 = dims(1)-1. ; need to make sure this will be a float?
x1 = y1*slope + intercept
if( x1 .lt. 0.) then ; intersect outside of left boundary
x1 = 0.
y1 = (x1 - intercept)/slope
end if
if( x1 .gt. dims(2)-1) then ; intersect outside of right boundary
x1 = dims(2)-1
y1 = (x1 - intercept)/slope
end if
else
; y = x*slope + intercept
slope = (90.-angle)/45.
if( angle .gt. 225. ) then
slope = (270.-angle)/45.
end if
intercept = yp - xp*slope
; find intersections with domain boundaries
x0 = 0.
y0 = x0*slope + intercept
if( y0 .lt. 0.) then ; intersect outside of bottom boundary
y0 = 0.
x0 = (y0 - intercept)/slope
end if
if( y0 .gt. dims(1)-1) then ; intersect outside of top boundary
y0 = dims(1)-1
x0 = (y0 - intercept)/slope
end if
x1 = dims(2)-1. ; need to make sure this will be a float?
y1 = x1*slope + intercept
if( y1 .lt. 0.) then ; intersect outside of bottom boundary
y1 = 0.
x1 = (y1 - intercept)/slope
end if
if( y1 .gt. dims(1)-1) then ; intersect outside of top boundary
y1 = dims(1)-1
x1 = (y1 - intercept)/slope
end if
end if ; we have beginning and ending points
end if
if (opts) then ; We have a specified start and end point
x0 = xp
y0 = yp
if ( x1 .gt. dims(2)-1 ) then
x1 = dims(2)
end if
if ( y1 .gt. dims(1)-1 ) then
y1 = dims(1)
end if
end if
dx = x1 - x0
dy = y1 - y0
distance = (dx*dx + dy*dy)^0.5
npts = tointeger(distance)
dxy = new(1,typeof(distance))
dxy = distance/npts
xy = new((/ npts, 2 /),typeof(x1))
dx = dx/npts
dy = dy/npts
do i=0,npts-1
xy(i,0) = x0 + i*dx
xy(i,1) = y0 + i*dy
end do
; print(xy)
return(xy)
end
;--------------------------------------------------------------------------------
undef("wrf_user_intrp3d")
function wrf_user_intrp3d( var3d:numeric, z_in:numeric, \
plot_type:string, \
loc_param:numeric, angle:numeric, opts:logical )
; var3d - 3d field to interpolate (all input fields must be unstaggered)
; z_in - interpolate to this field (either p/z)
; plot_type - interpolate horizontally "h", or vertically "v"
; loc_param - level(s) for horizontal plots (eg. 500hPa ; 3000m - scalar),
; plane for vertical plots (2 values representing an xy point
; on the model domain through which the vertical plane will pass
; OR 4 values specifying start and end values
; angle - 0.0 for horizontal plots, and
; an angle for vertical plots - 90 represent a WE cross section
; opts Used IF opts is TRUE, else use loc_param and angle to determine crosssection
begin
if(plot_type .eq. "h" ) then ; horizontal cross section needed
dimL = dimsizes(loc_param)
dims = dimsizes(var3d)
nd = dimsizes(dims)
dimX = dims(nd-1)
dimY = dims(nd-2)
dimZ = dims(nd-3)
dim4 = 1
dim5 = 1
if ( nd .eq. 4 ) then
dim4 = dims(nd-4)
end if
if ( nd .eq. 5 ) then
dim4 = dims(nd-4)
dim5 = dims(nd-5)
end if
var3 = new ( (/ dim5, dim4, dimZ, dimY, dimX /) , typeof(var3d) )
z = new ( (/ dim5, dim4, dimZ, dimY, dimX /) , typeof(var3d) )
var2d = new ( (/ dim5, dim4, dimL, dimY, dimX /) , typeof(var3d) )
if ( nd .eq. 5 ) then
var3 = var3d
z = z_in
end if
if ( nd .eq. 4 ) then
var3(0,:,:,:,:) = var3d(:,:,:,:)
z(0,:,:,:,:) = z_in(:,:,:,:)
end if
if ( nd .eq. 3 ) then
var3(0,0,:,:,:) = var3d(:,:,:)
z(0,0,:,:,:) = z_in(:,:,:)
end if
if ( z(0,0,dimZ-1,0,0) .lt. z(0,0,dimZ-2,0,0) ) then
; We must be interpolating to pressure
; This routine needs input field and level in hPa - lets make sure of this
if ( max(z) .gt. 2000. ) then
; looks like we have Pa as input - make this hPa
z = z * 0.01
end if
if ( loc_param(0) .gt. 2000. ) then
; looks like the input was specified in Pa - change this
loc_param = loc_param * 0.01
end if
end if
do il = 0,dimL-1
var = wrf_interp_3d_z(var3,z,loc_param(il))
var2d(:,:,il,:,:) = var(:,:,:,:)
end do
copy_VarAtts(var3d,var3)
if(isatt(var3,"description")) then
delete_VarAtts(var3,(/"description"/))
end if
if(isatt(var3,"units")) then
delete_VarAtts(var3,(/"units"/))
end if
if(isatt(var3,"MemoryOrder")) then
delete_VarAtts(var3,(/"MemoryOrder"/))
end if
if(isatt(var3,"_FillValue")) then
delete_VarAtts(var3,(/"_FillValue"/))
end if
copy_VarAtts(var3,var2d)
nn = nd-2
var2d!nn = "plevs"
if ( dimL .gt. 1 ) then
if ( nd .eq. 5 ) then
return( var2d )
end if
if ( nd .eq. 4 ) then
return( var2d(0,:,:,:,:) )
end if
if ( nd .eq. 3 ) then
return( var2d(0,0,:,:,:) )
end if
else
if ( z(0,0,dimZ-1,0,0) .lt. z(0,0,dimZ-2,0,0) ) then
var2d@PlotLevelID = loc_param + " hPa"
else
var2d@PlotLevelID = .001*loc_param + " km"
end if
if ( nd .eq. 5 ) then
return( var2d(:,:,0,:,:) )
end if
if ( nd .eq. 4 ) then
return( var2d(0,:,0,:,:) )
end if
if ( nd .eq. 3 ) then
return( var2d(0,0,0,:,:) )
end if
end if
end if
if(plot_type .eq. "v" ) then ; vertical cross section needed
dims = dimsizes(var3d)
nd = dimsizes(dims)
dimX = dims(nd-1)
dimY = dims(nd-2)
dimZ = dims(nd-3)
if ( nd .eq. 4 ) then
if ( z_in(0,dimZ-1,0,0) .lt. z_in(0,dimZ-2,0,0) ) then
; We must be interpolating to pressure
; This routine needs input field and level in hPa - lets make sure of this
if ( max(z_in) .gt. 2000. ) then
; looks like we have Pa as input - make this hPa
z_in = z_in * 0.01
end if
end if
z = z_in(0,:,:,:)
else
if ( z_in(dimZ-1,0,0) .lt. z_in(dimZ-2,0,0) ) then
; We must be interpolating to pressure
; This routine needs input field and level in hPa - lets make sure of this
if ( z_in(0,0,0) .gt. 2000. ) then
; looks like we have Pa as input - make this hPa
z_in = z_in * 0.01
end if
end if
z = z_in
end if
; set vertical cross section
if (opts) then
xy = wrf_user_set_xy( z, loc_param(0)-1, loc_param(1)-1, \ ; the -1 is for NCL dimensions
loc_param(2)-1, loc_param(3)-1, \
angle, opts )
else
xy = wrf_user_set_xy( z, loc_param(0), loc_param(1), \
0.0, 0.0, angle, opts )
end if
xp = dimsizes(xy)
; first we interp z
var2dz = wrf_interp_2d_xy( z, xy)
; interp to constant z grid
if(var2dz(0,0) .gt. var2dz(1,0) ) then ; monotonically decreasing coordinate
z_max = floor(max(z)/10)*10 ; bottom value
z_min = ceil(min(z)/10)*10 ; top value
dz = 10
nlevels = tointeger( (z_max-z_min)/dz)
z_var2d = new( (/nlevels/), typeof(z))
z_var2d(0) = z_max
dz = -dz
else
z_max = max(z)
z_min = 0.
dz = 0.01 * z_max
nlevels = tointeger( z_max/dz )
z_var2d = new( (/nlevels/), typeof(z))
z_var2d(0) = z_min
end if
do i=1, nlevels-1
z_var2d(i) = z_var2d(0)+i*dz
end do
; interp the variable
if ( dimsizes(dims) .eq. 4 ) then
var2d = new( (/dims(0), nlevels, xp(0)/), typeof(var2dz))
do it = 0,dims(0)-1
var2dtmp = wrf_interp_2d_xy( var3d(it,:,:,:), xy)
do i=0,xp(0)-1
var2d(it,:,i) = wrf_interp_1d( var2dtmp(:,i), var2dz(:,i), z_var2d)
end do
end do
var2d!0 = var3d!0
var2d!1 = "Vertical"
var2d!2 = "Horizontal"
else
var2d = new( (/nlevels, xp(0)/), typeof(var2dz))
var2dtmp = wrf_interp_2d_xy( var3d, xy)
do i=0,xp(0)-1
var2d(:,i) = wrf_interp_1d( var2dtmp(:,i), var2dz(:,i), z_var2d)
end do
var2d!0 = "Vertical"
var2d!1 = "Horizontal"
end if
st_x = tointeger(xy(0,0)) + 1
st_y = tointeger(xy(0,1)) + 1
ed_x = tointeger(xy(xp(0)-1,0)) + 1
ed_y = tointeger(xy(xp(0)-1,1)) + 1
if (opts) then
var2d@Orientation = "Cross-Section: (" + \
st_x + "," + st_y + ") to (" + \
ed_x + "," + ed_y + ")"
else
var2d@Orientation = "Cross-Section: (" + \
st_x + "," + st_y + ") to (" + \
ed_x + "," + ed_y + ") ; center=(" + \
loc_param(0) + "," + loc_param(1) + \
") ; angle=" + angle
end if
return(var2d)
end if
end
;--------------------------------------------------------------------------------
undef("wrf_user_intrp2d")
function wrf_user_intrp2d( var2d:numeric, \
loc_param:numeric, angle:numeric, opts:logical )
; var2d - 2d field to interpolate
; loc_param - plane for vertical plots (2 values representing an xy point
; on the model domain through which the vertical plane will pass
; OR 4 values specifying start and end values
; angle - 0.0 for horizontal plots, and
; an angle for vertical plots - 90 represent a WE cross section
; opts Used IF opts is TRUE, else use loc_param and angle to determine crosssection
begin
dims = dimsizes(var2d)
nd = dimsizes(dims)
dimX = dims(nd-1)
dimY = dims(nd-2)
dimT = 1
if ( nd .eq. 3 ) then
dimT = dims(nd-3)
end if
var2dtmp = new( (/ 1, dimY, dimX /), typeof(var2d) )
; set vertical cross section
if ( nd .eq. 3 ) then
var2dtmp(0,:,:) = var2d(0,:,:)
else
var2dtmp(0,:,:) = var2d(:,:)
end if
if (opts) then
xy = wrf_user_set_xy( var2dtmp, \
loc_param(0)-1, loc_param(1)-1, \ ; the -1 is for NCL dimensions
loc_param(2)-1, loc_param(3)-1, \
angle, opts )
else
xy = wrf_user_set_xy( var2dtmp, \
loc_param(0), loc_param(1), \
0.0, 0.0, angle, opts )
end if
xp = dimsizes(xy)
var2dout = new( (/ dimT, xp(0) /), typeof(var2d) )
var1dtmp = wrf_interp_2d_xy( var2dtmp, xy )
var2dout(0,:) = var1dtmp(0,:)
if ( dimT .eq. 1 ) then
var2dout!1 = "Horizontal"
return ( var2dout(0,:) )
end if
do it = 1,dimT-1
var2dtmp(0,:,:) = var2d(it,:,:)
var1dtmp = wrf_interp_2d_xy( var2dtmp, xy )
var2dout(it,:) = var1dtmp(0,:)
end do
var2dout!0 = "Time"
var2dout!1 = "Horizontal"
return(var2dout)
end
;--------------------------------------------------------------------------------
undef("wrf_user_unstagger")
function wrf_user_unstagger( varin:numeric, unstagDim:string )
begin
dims = dimsizes(varin)
nd = dimsizes(dims)
if ( unstagDim .eq. "X" .or. unstagDim .eq. "U" ) then
dimU = dims(nd-1)
if ( nd .eq. 5 ) then
varout = 0.5*(varin(:,:,:,:,:dimU-2) + varin(:,:,:,:,1:dimU-1))
end if
if ( nd .eq. 4 ) then
varout = 0.5*(varin(:,:,:,:dimU-2) + varin(:,:,:,1:dimU-1))
end if
if ( nd .eq. 3 ) then
varout = 0.5*(varin(:,:,:dimU-2) + varin(:,:,1:dimU-1))
end if
if ( nd .eq. 2 ) then
varout = 0.5*(varin(:,:dimU-2) + varin(:,1:dimU-1))
end if
do i = 0,nd-2
varout!i = varin!i
end do
i = nd-1
varout!i = "west_east"
copy_VarAtts(varin,varout)
varout@coordinates = "XLONG XLAT"
varout@stagger = " "
end if
if ( unstagDim .eq. "Y" .or. unstagDim .eq. "V" ) then
dimV = dims(nd-2)
if ( nd .eq. 5 ) then
varout = 0.5*(varin(:,:,:,:dimV-2,:)+varin(:,:,:,1:dimV-1,:))
end if
if ( nd .eq. 4 ) then
varout = 0.5*(varin(:,:,:dimV-2,:)+varin(:,:,1:dimV-1,:))
end if
if ( nd .eq. 3 ) then
varout = 0.5*(varin(:,:dimV-2,:)+varin(:,1:dimV-1,:))
end if
if ( nd .eq. 2 ) then
varout = 0.5*(varin(:dimV-2,:)+varin(1:dimV-1,:))
end if
do i = 0,nd-1
varout!i = varin!i
end do
i = nd-2
varout!i = "south_north"
copy_VarAtts(varin,varout)
varout@coordinates = "XLONG XLAT"
varout@stagger = " "
end if
if ( unstagDim .eq. "Z" ) then
dimW = dims(nd-3)
if ( nd .eq. 5 ) then
varout = 0.5*(varin(:,:,0:dimW-2,:,:)+varin(:,:,1:dimW-1,:,:))
end if
if ( nd .eq. 4 ) then
varout = 0.5*(varin(:,0:dimW-2,:,:)+varin(:,1:dimW-1,:,:))
end if
if ( nd .eq. 3 ) then
varout = 0.5*(varin(0:dimW-2,:,:)+varin(1:dimW-1,:,:))
end if
do i = 0,nd-1
varout!i = varin!i
end do
i = nd-3
varout!i = "bottom_top"
copy_VarAtts(varin,varout)
varout@coordinates = "XLONG XLAT"
varout@stagger = " "
end if
if( any( unstagDim .eq. (/"X","U","Y","V","Z"/) ) ) then
return(varout)
else
print("NOTE: No unstaggering required, as the input field is already on mass points.")
return(varin)
end if
end
;--------------------------------------------------------------------------------
; This function was modified in May 2011 to allow a list of files.
;
undef("wrf_user_getvar")
function wrf_user_getvar( file_handle, varin[*]:string, time_in:integer )
local variable, time, var, u, v, u_in, v_in, pii, radians_per_degree, \
dims, nd, latitude, longitude, rank
begin
;---As of NCL V6.0.0, wrf_user_getvar can now handle a file or a list of files.
if(typeof(file_handle).eq."file") then
ISFILE = True
nc_file = file_handle
else if(typeof(file_handle).eq."list") then
ISFILE = False
nc_file = file_handle[0]
else
print("wrf_user_getvar: error: the first argument must be a file or a list of files opened with addfile or addfiles")
return
end if
end if
variable = varin(0)
time = time_in(0)
if( (variable .eq. "uvmet") .or. (variable .eq. "uvmet10") ) then
;; Calculate winds rotated to earth coord.
pii = 3.14159265
radians_per_degree = pii/180.
if( (variable .eq. "uvmet") ) then
getU = "U"
getV = "V"
if(.not. isfilevar(nc_file,"U")) then
if(isfilevar(nc_file,"UU")) then
getU = "UU"
getV = "VV"
end if
end if
if ( time .eq. -1 ) then
if(ISFILE) then
u_in = nc_file->$getU$
v_in = nc_file->$getV$
else
u_in = file_handle[:]->$getU$
v_in = file_handle[:]->$getV$
end if
u = wrf_user_unstagger(u_in,u_in@stagger)
v = wrf_user_unstagger(v_in,v_in@stagger)
else
if(ISFILE) then
u_in = nc_file->$getU$(time_in,:,:,:)
v_in = nc_file->$getV$(time_in,:,:,:)
else
u_in = file_handle[:]->$getU$(time_in,:,:,:)
v_in = file_handle[:]->$getV$(time_in,:,:,:)
end if
u = wrf_user_unstagger(u_in,u_in@stagger)
v = wrf_user_unstagger(v_in,v_in@stagger)
end if
end if
if( (variable .eq. "uvmet10") ) then
if(isfilevar(nc_file,"U10")) then
if ( time .eq. -1 ) then
if(ISFILE) then
u_in = nc_file->U10
v_in = nc_file->V10
else
u_in = file_handle[:]->U10
v_in = file_handle[:]->V10
end if
u = wrf_user_unstagger(u_in,u_in@stagger)
v = wrf_user_unstagger(v_in,v_in@stagger)
else
if(ISFILE) then
u_in = nc_file->U10(time_in,:,:)
v_in = nc_file->V10(time_in,:,:)
else
u_in = file_handle[:]->U10(time_in,:,:)
v_in = file_handle[:]->V10(time_in,:,:)
end if
u = wrf_user_unstagger(u_in,u_in@stagger)
v = wrf_user_unstagger(v_in,v_in@stagger)
end if
else ; may be a met file, so get lowest level of UU and VV
if(isfilevar(nc_file,"UU")) then
print("wrf_user_getvar: Assume this is a met_em file - getting lowest level from UU and VV fields")
if ( time .eq. -1 ) then
if(ISFILE) then
u_in = nc_file->UU(:,0,:,:)
v_in = nc_file->VV(:,0,:,:)
else
u_in = file_handle[:]->UU(:,0,:,:)
v_in = file_handle[:]->VV(:,0,:,:)
end if
u = wrf_user_unstagger(u_in,u_in@stagger)
v = wrf_user_unstagger(v_in,v_in@stagger)
else
if(ISFILE) then
u_in = nc_file->UU(time_in,0,:,:)
v_in = nc_file->VV(time_in,0,:,:)
else
u_in = file_handle[:]->UU(time_in,0,:,:)
v_in = file_handle[:]->VV(time_in,0,:,:)
end if
u = wrf_user_unstagger(u_in,u_in@stagger)
v = wrf_user_unstagger(v_in,v_in@stagger)
end if
end if
end if
end if
map_projection = nc_file@MAP_PROJ
if( any(map_projection.eq.(/0,3,6/)) ) then ; no rotation needed
dims = dimsizes(u)
nd = dimsizes(dims)
if ( nd .eq. 5 ) then
uvmet = new( (/ 2, dims(0), dims(1), dims(2), dims(3), dims(4) /), typeof(u))
uvmet(0,:,:,:,:,:) = u(:,:,:,:,:)
uvmet(1,:,:,:,:,:) = v(:,:,:,:,:)
end if
if ( nd .eq. 4 ) then
uvmet = new( (/ 2, dims(0), dims(1), dims(2), dims(3) /), typeof(u))
uvmet(0,:,:,:,:) = u(:,:,:,:)
uvmet(1,:,:,:,:) = v(:,:,:,:)
end if
if ( nd .eq. 3 ) then
uvmet = new( (/ 2, dims(0), dims(1), dims(2) /), typeof(u))
uvmet(0,:,:,:) = u(:,:,:)
uvmet(1,:,:,:) = v(:,:,:)
end if
if ( nd .eq. 2 ) then
uvmet = new( (/ 2, dims(0), dims(1) /), typeof(u))
uvmet(0,:,:) = u(:,:)
uvmet(1,:,:) = v(:,:)
end if
delete_VarAtts(u,(/"description","units"/))
copy_VarAtts(u,uvmet)
uvmet@description = " u,v met velocity"
uvmet!0 = "u_v"
end if
if( any(map_projection.eq.(/1,2/)) ) then ; no rotation needed
cen_lat = nc_file@CEN_LAT
if(isatt(nc_file,"STAND_LON")) then
cen_long = nc_file@STAND_LON
else
cen_long = nc_file@CEN_LON
end if
true_lat1 = nc_file@TRUELAT1
true_lat2 = nc_file@TRUELAT2
getLAT = "XLAT"
getLON = "XLONG"
if(.not. isfilevar(nc_file,"XLAT")) then
if(isfilevar(nc_file,"XLAT_M")) then
getLAT = "XLAT_M"
getLON = "XLONG_M"
end if
end if
if ( time .eq. -1 ) then
if(ISFILE) then
latitude = nc_file->$getLAT$
longitude = nc_file->$getLON$
else
latitude = file_handle[:]->$getLAT$
longitude = file_handle[:]->$getLON$
end if
else
if(ISFILE) then
latitude = nc_file->$getLAT$(time_in,:,:)
longitude = nc_file->$getLON$(time_in,:,:)
else
latitude = file_handle[:]->$getLAT$(time_in,:,:)
longitude = file_handle[:]->$getLON$(time_in,:,:)
end if
end if
cone = 1.
if( map_projection .eq. 1) then ; Lambert Conformal mapping
if( (fabs(true_lat1 - true_lat2) .gt. 0.1) .and. \
(fabs(true_lat2 - 90. ) .gt. 0.1) ) then
cone = log(cos(true_lat1*radians_per_degree)) \
-log(cos(true_lat2*radians_per_degree))
cone = cone/( log(tan(( 45. -fabs(true_lat1/2.))*radians_per_degree)) - \
log(tan((45. -fabs(true_lat2/2.))*radians_per_degree)) )
else
cone = sin(fabs(true_lat1)*radians_per_degree)
end if
end if
if(map_projection .eq. 2) then ; polar stereographic
cone = 1.
end if
if(map_projection .eq. 3) then ; Mercator
cone = 0.
end if
uvmet = wrf_uvmet( u, v, latitude, longitude, cen_long, cone )
delete_VarAtts(u,(/"description","units"/))
copy_VarAtts(u,uvmet)
end if
if( (variable .eq. "uvmet10") ) then
uvmet@description = " u10,v10 met velocity"
end if
return(uvmet)
end if
if( variable .eq. "ua" ) then
; U interpolated to mass points
getTHIS = "U"
if(.not. isfilevar(nc_file,"U")) then
if(isfilevar(nc_file,"UU")) then
getTHIS = "UU"
end if
end if
if ( time .eq. -1 ) then
if(ISFILE) then
var = nc_file->$getTHIS$
else
var = file_handle[:]->$getTHIS$
end if
else
if(ISFILE) then
var = nc_file->$getTHIS$(time_in,:,:,:)
else
var = file_handle[:]->$getTHIS$(time_in,:,:,:)
end if
end if
ua = wrf_user_unstagger(var,var@stagger)
return(ua)
end if
if( variable .eq. "va" ) then
; V interpolated to mass points
getTHIS = "V"
if(.not. isfilevar(nc_file,"V")) then
if(isfilevar(nc_file,"VV")) then
getTHIS = "VV"
end if
end if
if ( time .eq. -1 ) then
if(ISFILE) then
var = nc_file->$getTHIS$
else
var = file_handle[:]->$getTHIS$
end if
else
if(ISFILE) then
var = nc_file->$getTHIS$(time_in,:,:,:)
else
var = file_handle[:]->$getTHIS$(time_in,:,:,:)
end if
end if
va = wrf_user_unstagger(var,var@stagger)
return(va)
end if
if( variable .eq. "wa" ) then
; W interpolated to mass points
if ( time .eq. -1 ) then
if(ISFILE) then
var = nc_file->W
else
var = file_handle[:]->W
end if
else
if(ISFILE) then
var = nc_file->W(time_in,:,:,:)
else
var = file_handle[:]->W(time_in,:,:,:)
end if
end if
wa = wrf_user_unstagger(var,var@stagger)
return(wa)
end if
if( any( variable .eq. (/"p","pres","pressure"/) ) ) then
; Full model pressure [=base pressure (PB) + pertubation pressure (P)]
if(isfilevar(nc_file,"P")) then
if ( time .eq. -1 ) then
if(ISFILE) then
var = nc_file->P
PB = nc_file->PB
else
var = file_handle[:]->P
PB = file_handle[:]->PB
end if
else
if(ISFILE) then
var = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
else
var = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
end if
end if
var = var + PB
else
;; may be a met_em file - see if we can get PRES
if(isfilevar(nc_file,"PRES")) then
if ( time .eq. -1 ) then
if(ISFILE) then
var = nc_file->PRES
else
var = file_handle[:]->PRES
end if
else
if(ISFILE) then
var = nc_file->PRES(time_in,:,:,:)
else
var = file_handle[:]->PRES(time_in,:,:,:)
end if
end if
end if
end if
var@description = "Pressure"
if( variable .eq. "pressure" ) then
var = var * 0.01
var@units = "hPa"
end if
return(var)
end if
if( any( variable .eq. (/"geopt","geopotential","z","height"/) ) ) then
; Height [=full geopotentail height / 9.81]
if(isfilevar(nc_file,"PH")) then
if ( time .eq. -1 ) then
if(ISFILE) then
var = nc_file->PH
PHB = nc_file->PHB
else
var = file_handle[:]->PH
PHB = file_handle[:]->PHB
end if
else
if(ISFILE) then
var = nc_file->PH(time,:,:,:)
PHB = nc_file->PHB(time,:,:,:)
else
var = file_handle[:]->PH(time,:,:,:)
PHB = file_handle[:]->PHB(time,:,:,:)
end if
end if
var = var + PHB
z = wrf_user_unstagger(var,var@stagger)
z@description = "Geopotential"
else
;; may be a met_em file - see if we can get GHT - data in met_em file is Height in M
if(isfilevar(nc_file,"GHT")) then
if ( time .eq. -1 ) then
if(ISFILE) then
z = nc_file->GHT
else
z = file_handle[:]->GHT
end if
else
if(ISFILE) then
z = nc_file->GHT(time,:,:,:)
else
z = file_handle[:]->GHT(time,:,:,:)
end if
end if
z = z * 9.81
z@description = "Geopotential"
z@units = "m2 s-2"
end if
end if
if( any( variable .eq. (/"z","height"/) ) ) then
z = z / 9.81
z@description = "Height"
z@units = "m"
end if
return(z)
end if
if( any( variable .eq. (/"th","theta"/) ) ) then
; Potentail Temperature is model output T + 300K
if ( time .eq. -1 ) then
if(ISFILE) then
var = nc_file->T
else
var = file_handle[:]->T
end if
else
if(ISFILE) then
var = nc_file->T(time_in,:,:,:)
else
var = file_handle[:]->T(time_in,:,:,:)
end if
end if
var = var + 300.
var@description = "Potential Temperature (theta) "
return(var)
end if
if( any( variable .eq. (/"tk","tc"/) ) ) then
;; function wrf_tk needs theta and pressure (Pa) on input and returns temperature in K on return
if(isfilevar(nc_file,"T")) then
if ( time .eq. -1 ) then
if(ISFILE) then
T = nc_file->T
P = nc_file->P
PB = nc_file->PB
else
T = file_handle[:]->T
P = file_handle[:]->P
PB = file_handle[:]->PB
end if
else
if(ISFILE) then
T = nc_file->T(time_in,:,:,:)
P = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
else
T = file_handle[:]->T(time_in,:,:,:)
P = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
end if
end if
T = T + 300.
P = P + PB
t = wrf_tk( P , T )
delete_VarAtts(T,(/"description"/))
copy_VarAtts(T,t)
else
;; may be a met_em file - see if we can get TT
if(isfilevar(nc_file,"TT")) then
if ( time .eq. -1 ) then
if(ISFILE) then
t = nc_file->TT
else
t = file_handle[:]->TT
end if
else
if(ISFILE) then
t = nc_file->TT(time_in,:,:,:)
else
t = file_handle[:]->TT(time_in,:,:,:)
end if
end if
end if
end if
if( variable .eq. "tc" ) then
t = t - 273.16
t@units = "C" ; Overwrite return units
end if
return(t)
end if
if( variable .eq. "eth" ) then
;Equivalent Potential Temperature in degrees K
if(isfilevar(nc_file,"T")) then
if ( time .eq. -1 ) then
if(ISFILE) then
T = nc_file->T
P = nc_file->P
PB = nc_file->PB
QV = nc_file->QVAPOR
else
T = file_handle[:]->T
P = file_handle[:]->P
PB = file_handle[:]->PB
QV = file_handle[:]->QVAPOR
end if
else
if(ISFILE) then
T = nc_file->T(time_in,:,:,:)
P = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
QV = nc_file->QVAPOR(time_in,:,:,:)
else
T = file_handle[:]->T(time_in,:,:,:)
P = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
QV = file_handle[:]->QVAPOR(time_in,:,:,:)
end if
end if
T = T + 300. ; potential temperature in K.
P = P + PB ; full pressure in Pa.
tk = wrf_tk( P , T ) ; temperature in K.
eth = wrf_eth ( QV, tk, P )
delete_VarAtts(T,(/"description"/))
copy_VarAtts(T,eth)
return(eth)
else
print("This diagnostic only for with WRF data file and not for WPS files")
exit
end if
end if
if( variable .eq. "td" ) then
;; function wrf_td needs qv and pressure (Pa) on input and returns dewpoint temperature on return
if ( time .eq. -1 ) then
if(ISFILE) then
P = nc_file->P
PB = nc_file->PB
QVAPOR = nc_file->QVAPOR
else
P = file_handle[:]->P
PB = file_handle[:]->PB
QVAPOR = file_handle[:]->QVAPOR
end if
else
if(ISFILE) then
P = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
QVAPOR = nc_file->QVAPOR(time_in,:,:,:)
else
P = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
QVAPOR = file_handle[:]->QVAPOR(time_in,:,:,:)
end if
end if
P = P + PB
td = wrf_td( P , QVAPOR )
delete_VarAtts(QVAPOR,(/"description","units"/))
copy_VarAtts(QVAPOR,td)
return(td)
end if
if( variable .eq. "td2" ) then
;; function wrf_td needs qv and pressure (Pa) on input and returns dewpoint temperature on return
if ( time .eq. -1 ) then
if(ISFILE) then
PSFC = nc_file->PSFC
Q2 = nc_file->Q2
else
PSFC = file_handle[:]->PSFC
Q2 = file_handle[:]->Q2
end if
else
if(ISFILE) then
PSFC = nc_file->PSFC(time_in,:,:)
Q2 = nc_file->Q2(time_in,:,:)
else
PSFC = file_handle[:]->PSFC(time_in,:,:)
Q2 = file_handle[:]->Q2(time_in,:,:)
end if
end if
td = wrf_td( PSFC , Q2 )
delete_VarAtts(Q2,(/"description","units"/))
copy_VarAtts(Q2,td)
td@description = "2m Dewpoint Temperature" ; Overwrite return description
return(td)
end if
if( variable .eq. "slp" ) then
if(isfilevar(nc_file,"T")) then
;; first compute theta - function wrf_tk needs theta and pressure (Pa) on input
;; THEN compute sea level pressure, from qv, p (Pa), tk, z
if ( time .eq. -1 ) then
if(ISFILE) then
T = nc_file->T
P = nc_file->P
PB = nc_file->PB
QVAPOR = nc_file->QVAPOR
PH = nc_file->PH
PHB = nc_file->PHB
else
T = file_handle[:]->T
P = file_handle[:]->P
PB = file_handle[:]->PB
QVAPOR = file_handle[:]->QVAPOR
PH = file_handle[:]->PH
PHB = file_handle[:]->PHB
end if
else
if(ISFILE) then
T = nc_file->T(time_in,:,:,:)
P = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
QVAPOR = nc_file->QVAPOR(time_in,:,:,:)
PH = nc_file->PH(time_in,:,:,:)
PHB = nc_file->PHB(time_in,:,:,:)
else
T = file_handle[:]->T(time_in,:,:,:)
P = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
QVAPOR = file_handle[:]->QVAPOR(time_in,:,:,:)
PH = file_handle[:]->PH(time_in,:,:,:)
PHB = file_handle[:]->PHB(time_in,:,:,:)
end if
end if
T = T + 300.
P = P + PB
QVAPOR = QVAPOR > 0.000
PH = ( PH + PHB ) / 9.81
z = wrf_user_unstagger(PH,PH@stagger)
tk = wrf_tk( P , T ) ; calculate TK
slp = wrf_slp( z, tk, P, QVAPOR ) ; calculate slp
delete_VarAtts(T,(/"description","units"/))
copy_VarAtts(T,slp)
else
;; may be a met_em file - see if we can get PMSL
if(isfilevar(nc_file,"PMSL")) then
if ( time .eq. -1 ) then
if(ISFILE) then
slp = nc_file->PMSL
else
slp = file_handle[:]->PMSL
end if
else
if(ISFILE) then
slp = nc_file->PMSL(time_in,:,:)
else
slp = file_handle[:]->PMSL(time_in,:,:)
end if
end if
end if
end if
return(slp)
end if
if( variable .eq. "rh" ) then
if(isfilevar(nc_file,"T")) then
;; first compute theta - function wrf_tk needs theta and pressure (Pa) on input
;; THEN compute rh, using tk, p (Pa), QVAPOR
if ( time .eq. -1 ) then
if(ISFILE) then
T = nc_file->T
P = nc_file->P
PB = nc_file->PB
QVAPOR = nc_file->QVAPOR
else
T = file_handle[:]->T
P = file_handle[:]->P
PB = file_handle[:]->PB
QVAPOR = file_handle[:]->QVAPOR
end if
else
if(ISFILE) then
T = nc_file->T(time_in,:,:,:)
P = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
QVAPOR = nc_file->QVAPOR(time_in,:,:,:)
else
T = file_handle[:]->T(time_in,:,:,:)
P = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
QVAPOR = file_handle[:]->QVAPOR(time_in,:,:,:)
end if
end if
T = T + 300.
P = P + PB
QVAPOR = QVAPOR > 0.000
tk = wrf_tk( P , T )
rh = wrf_rh( QVAPOR, P, tk )
delete_VarAtts(T,(/"description","units"/))
copy_VarAtts(T,rh)
else
;; may be a met_em file - see if we can get RH
if(isfilevar(nc_file,"RH")) then
if ( time .eq. -1 ) then
if(ISFILE) then
rh = nc_file->RH
else
rh = file_handle[:]->RH
end if
else
if(ISFILE) then
rh = nc_file->RH(time_in,:,:,:)
else
rh = file_handle[:]->RH(time_in,:,:,:)
end if
end if
end if
end if
return(rh)
end if
if( variable .eq. "rh2" ) then
if(isfilevar(nc_file,"T2")) then
;; Compute rh2, using T2, PSFC, Q2
if ( time .eq. -1 ) then
if(ISFILE) then
T2 = nc_file->T2
PSFC = nc_file->PSFC
Q2 = nc_file->Q2
else
T2 = file_handle[:]->T2
PSFC = file_handle[:]->PSFC
Q2 = file_handle[:]->Q2
end if
else
if(ISFILE) then
T2 = nc_file->T2(time_in,:,:)
PSFC = nc_file->PSFC(time_in,:,:)
Q2 = nc_file->Q2(time_in,:,:)
else
T2 = file_handle[:]->T2(time_in,:,:)
PSFC = file_handle[:]->PSFC(time_in,:,:)
Q2 = file_handle[:]->Q2(time_in,:,:)
end if
end if
Q2 = Q2 > 0.000
rh = wrf_rh( Q2, PSFC, T2 )
delete_VarAtts(T2,(/"description","units"/))
copy_VarAtts(T2,rh)
rh@description = "2m Relative Humidity"
else
;; may be a met_em file - see if we can get RH
if(isfilevar(nc_file,"RH")) then
print("Probably a met_em file - get lowerst level from RH field")
if ( time .eq. -1 ) then
if(ISFILE) then
rh2 = nc_file->RH(:,0,:,:)
else
rh2 = file_handle[:]->RH(:,0,:,:)
end if
else
if(ISFILE) then
rh2 = nc_file->RH(time_in,0,:,:)
else
rh2 = file_handle[:]->RH(time_in,0,:,:)
end if
end if
end if
end if
return(rh)
end if
if( variable .eq. "pvo" ) then
if ( time .eq. -1 ) then
if(ISFILE) then
U = nc_file->U
V = nc_file->V
T = nc_file->T
P = nc_file->P
PB = nc_file->PB
MSFU = nc_file->MAPFAC_U
MSFV = nc_file->MAPFAC_V
MSFM = nc_file->MAPFAC_M
COR = nc_file->F
else
U = file_handle[:]->U
V = file_handle[:]->V
T = file_handle[:]->T
P = file_handle[:]->P
PB = file_handle[:]->PB
MSFU = file_handle[:]->MAPFAC_U
MSFV = file_handle[:]->MAPFAC_V
MSFM = file_handle[:]->MAPFAC_M
COR = file_handle[:]->F
end if
else
if(ISFILE) then
U = nc_file->U(time_in,:,:,:)
V = nc_file->V(time_in,:,:,:)
T = nc_file->T(time_in,:,:,:)
P = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
MSFU = nc_file->MAPFAC_U(time_in,:,:)
MSFV = nc_file->MAPFAC_V(time_in,:,:)
MSFM = nc_file->MAPFAC_M(time_in,:,:)
COR = nc_file->F(time_in,:,:)
else
U = file_handle[:]->U(time_in,:,:,:)
V = file_handle[:]->V(time_in,:,:,:)
T = file_handle[:]->T(time_in,:,:,:)
P = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
MSFU = file_handle[:]->MAPFAC_U(time_in,:,:)
MSFV = file_handle[:]->MAPFAC_V(time_in,:,:)
MSFM = file_handle[:]->MAPFAC_M(time_in,:,:)
COR = file_handle[:]->F(time_in,:,:)
end if
end if
T = T + 300.
P = P + PB
DX = nc_file@DX
DY = nc_file@DY
pvo = wrf_pvo( U, V, T, P, MSFU, MSFV, MSFM, COR, DX, DY, 0)
delete_VarAtts(T,(/"description","units"/))
copy_VarAtts(T,pvo)
return(pvo)
end if
if( variable .eq. "avo" ) then
if ( time .eq. -1 ) then
if(ISFILE) then
U = nc_file->U
V = nc_file->V
MSFU = nc_file->MAPFAC_U
MSFV = nc_file->MAPFAC_V
MSFM = nc_file->MAPFAC_M
COR = nc_file->F
else
U = file_handle[:]->U
V = file_handle[:]->V
MSFU = file_handle[:]->MAPFAC_U
MSFV = file_handle[:]->MAPFAC_V
MSFM = file_handle[:]->MAPFAC_M
COR = file_handle[:]->F
end if
else
if(ISFILE) then
U = nc_file->U(time_in,:,:,:)
V = nc_file->V(time_in,:,:,:)
MSFU = nc_file->MAPFAC_U(time_in,:,:)
MSFV = nc_file->MAPFAC_V(time_in,:,:)
MSFM = nc_file->MAPFAC_M(time_in,:,:)
COR = nc_file->F(time_in,:,:)
else
U = file_handle[:]->U(time_in,:,:,:)
V = file_handle[:]->V(time_in,:,:,:)
MSFU = file_handle[:]->MAPFAC_U(time_in,:,:)
MSFV = file_handle[:]->MAPFAC_V(time_in,:,:)
MSFM = file_handle[:]->MAPFAC_M(time_in,:,:)
COR = file_handle[:]->F(time_in,:,:)
end if
end if
DX = nc_file@DX
DY = nc_file@DY
avo = wrf_avo( U, V, MSFU, MSFV, MSFM, COR, DX, DY, 0)
delete_VarAtts(COR,(/"description","units"/))
copy_VarAtts(COR,avo)
return(avo)
end if
if( variable .eq. "dbz" .or. variable .eq. "mdbz" ) then
; calculate dbz
ivarint = 0
iliqskin = 0
dim_vars = dimsizes(varin)
do idims = 1,dim_vars-1
if ( idims .eq. 1 ) then
if ( varin(idims) .eq. "1" ) then
ivarint = 1
end if
end if
if ( idims .eq. 2 ) then
if ( varin(idims) .eq. "1" ) then
iliqskin = 1
end if
end if
end do
if ( time .eq. -1 ) then
if(ISFILE) then
T = nc_file->T
P = nc_file->P
PB = nc_file->PB
qv = nc_file->QVAPOR
qr = nc_file->QRAIN
else
T = file_handle[:]->T
P = file_handle[:]->P
PB = file_handle[:]->PB
qv = file_handle[:]->QVAPOR
qr = file_handle[:]->QRAIN
end if
if(isfilevar(nc_file,"QSNOW"))
if(ISFILE) then
qs = nc_file->QSNOW
else
qs = file_handle[:]->QSNOW
end if
end if
if(isfilevar(nc_file,"QGRAUP"))
if(ISFILE) then
qg = nc_file->QGRAUP
else
qg = file_handle[:]->QGRAUP
end if
end if
else
if(ISFILE) then
T = nc_file->T(time_in,:,:,:)
P = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
qv = nc_file->QVAPOR(time_in,:,:,:)
qr = nc_file->QRAIN(time_in,:,:,:)
else
T = file_handle[:]->T(time_in,:,:,:)
P = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
qv = file_handle[:]->QVAPOR(time_in,:,:,:)
qr = file_handle[:]->QRAIN(time_in,:,:,:)
end if
if(isfilevar(nc_file,"QSNOW"))
if(ISFILE) then
qs = nc_file->QSNOW(time_in,:,:,:)
else
qs = file_handle[:]->QSNOW(time_in,:,:,:)
end if
end if
if(isfilevar(nc_file,"QGRAUP"))
if(ISFILE) then
qg = nc_file->QGRAUP(time_in,:,:,:)
else
qg = file_handle[:]->QGRAUP(time_in,:,:,:)
end if
end if
end if
T = T + 300.
P = P + PB
tk = wrf_tk( P , T )
if ( .not. isvar("qs") ) then
qs = qv
qs = 0.0
end if
if ( .not. isvar("qg") ) then
qg = qv
qg = 0.0
end if
dbz = wrf_dbz ( P, tk, qv, qr, qs, qg, ivarint, iliqskin)
delete(qs)
delete(qg)
delete_VarAtts(T,(/"description","units"/))
copy_VarAtts(T,dbz)
if ( variable .eq. "mdbz") then
dims = getvardims(dbz)
rank = dimsizes(dims)
if ( rank .eq. 5 ) then
mdbz = dim_max ( dbz($dims(0)$|:,$dims(1)$|:,$dims(3)$|:,$dims(4)$|:,$dims(2)$|:) )
mdbz!0 = dbz!0
mdbz!1 = dbz!1
end if
if ( rank .eq. 4 ) then
mdbz = dim_max ( dbz($dims(0)$|:,$dims(2)$|:,$dims(3)$|:,$dims(1)$|:) )
mdbz!0 = dbz!0
end if
if ( rank .eq. 3 ) then
mdbz = dim_max ( dbz($dims(1)$|:,$dims(2)$|:,$dims(0)$|:) )
end if
nn = rank-1
nm = rank-2
mdbz!nm = dbz!nn
nn = rank-2
nm = rank-3
mdbz!nm = dbz!nn
copy_VarAtts(dbz,mdbz)
mdbz@description = "Max Reflectivity"
return(mdbz)
else
return(dbz)
end if
end if
if( any( variable .eq. (/"cape_3d","cape_2d"/) ) ) then
if ( time .eq. -1 ) then
if(ISFILE) then
T = nc_file->T
P = nc_file->P
PB = nc_file->PB
QV = nc_file->QVAPOR
PH = nc_file->PH
PHB = nc_file->PHB
HGT = nc_file->HGT
PSFC = nc_file->PSFC
else
T = file_handle[:]->T
P = file_handle[:]->P
PB = file_handle[:]->PB
QV = file_handle[:]->QVAPOR
PH = file_handle[:]->PH
PHB = file_handle[:]->PHB
HGT = file_handle[:]->HGT
PSFC = file_handle[:]->PSFC
end if
else
if(ISFILE) then
T = nc_file->T(time_in,:,:,:)
P = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
QV = nc_file->QVAPOR(time_in,:,:,:)
PH = nc_file->PH(time_in,:,:,:)
PHB = nc_file->PHB(time_in,:,:,:)
HGT = nc_file->HGT(time_in,:,:)
PSFC = nc_file->PSFC(time_in,:,:)
else
T = file_handle[:]->T(time_in,:,:,:)
P = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
QV = file_handle[:]->QVAPOR(time_in,:,:,:)
PH = file_handle[:]->PH(time_in,:,:,:)
PHB = file_handle[:]->PHB(time_in,:,:,:)
HGT = file_handle[:]->HGT(time_in,:,:)
PSFC = file_handle[:]->PSFC(time_in,:,:)
end if
end if
T = T + 300.
P = P + PB
tk = wrf_tk( P , T )
PH = PH + PHB
z = wrf_user_unstagger(PH,PH@stagger)
z = z/9.81
if( variable .eq. "cape_3d" ) then
cape = wrf_cape_3d( P, tk, QV, z, HGT, PSFC, True )
cape@description = "cape ; cin"
end if
if( variable .eq. "cape_2d" ) then
cape = wrf_cape_2d( P, tk, QV, z, HGT, PSFC, True )
delete_VarAtts(T,(/"MemoryOrder"/))
cape@MemoryOrder = "XY"
cape@description = "mcape ; mcin ; lcl ; lfc"
end if
delete_VarAtts(T,(/"description","units"/))
copy_VarAtts(T,cape)
return(cape)
end if
if( any( variable .eq. (/"pw"/) ) ) then
;Precipitable Water
print("calculating precipitable water")
gas_const = 287. ; J/K/kg
Cp = 1004. ; J/K/kg
if ( time .eq. -1 ) then
if(ISFILE) then
T = nc_file->T
P = nc_file->P
PB = nc_file->PB
PH = nc_file->PH
PHB = nc_file->PHB
QV = nc_file->QVAPOR
else
T = file_handle[:]->T
P = file_handle[:]->P
PB = file_handle[:]->PB
PH = file_handle[:]->PH
PHB = file_handle[:]->PHB
QV = file_handle[:]->QVAPOR
end if
else
if(ISFILE) then
T = nc_file->T(time_in,:,:,:)
P = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
PH = nc_file->PH(time_in,:,:,:)
PHB = nc_file->PHB(time_in,:,:,:)
QV = nc_file->QVAPOR(time_in,:,:,:)
else
T = file_handle[:]->T(time_in,:,:,:)
P = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
PH = file_handle[:]->PH(time_in,:,:,:)
PHB = file_handle[:]->PHB(time_in,:,:,:)
QV = file_handle[:]->QVAPOR(time_in,:,:,:)
end if
end if
pres = P + PB
height = (PH + PHB)/9.8 ; height at full levels
theta = T + 300.
temp = theta * (pres/100000) ^ (gas_const/Cp)
vtemp = (1 + 0.61*QV) * temp ; virtual temp
dims = dimsizes(T)
nd = dimsizes(dims)
if ( nd .eq. 4 ) then
zdiff = height(:,0,:,:)
zdiff = 0.
pw_sfc_ptop = height(:,0,:,:)
pw_sfc_ptop = 0.
do k = 0,dims(1)-1
zdiff(:,:,:) = (height(:,k+1,:,:) - height(:,k,:,:))
pw_sfc_ptop(:,:,:) = pw_sfc_ptop(:,:,:) + ((pres(:,k,:,:)/(gas_const * vtemp(:,k,:,:))) * QV(:,k,:,:) * zdiff(:,:,:))
end do
end if
if ( nd .eq. 3 ) then
zdiff = height(0,:,:)
zdiff = 0.
pw_sfc_ptop = height(0,:,:)
pw_sfc_ptop = 0.
do k = 0,dims(0)-1
zdiff(:,:) = (height(k+1,:,:) - height(k,:,:))
pw_sfc_ptop(:,:) = pw_sfc_ptop(:,:) + ((pres(k,:,:)/(gas_const * vtemp(k,:,:))) * QV(k,:,:) * zdiff(:,:))
end do
end if
pw_sfc_ptop@description = "Precipitable Water"
return(pw_sfc_ptop)
end if
if( any( variable .eq. (/"helicity"/) ) ) then
getU = "U"
getV = "V"
if(.not. isfilevar(nc_file,"U")) then
if(isfilevar(nc_file,"UU")) then
getU = "UU"
getV = "VV"
end if
end if
if ( time .eq. -1 ) then
if(ISFILE) then
u_in = nc_file->$getU$
v_in = nc_file->$getV$
PH = nc_file->PH
geopt = nc_file->PHB
ter = nc_file->HGT
else
u_in = file_handle[:]->$getU$
v_in = file_handle[:]->$getV$
PH = file_handle[:]->PH
geopt = file_handle[:]->PHB
ter = file_handle[:]->HGT
end if
else
if(ISFILE) then
u_in = nc_file->$getU$(time_in,:,:,:)
v_in = nc_file->$getV$(time_in,:,:,:)
PH = nc_file->PH(time_in,:,:,:)
geopt = nc_file->PHB(time_in,:,:,:)
ter = nc_file->HGT(time_in,:,:)
else
u_in = file_handle[:]->$getU$(time_in,:,:,:)
v_in = file_handle[:]->$getV$(time_in,:,:,:)
PH = file_handle[:]->PH(time_in,:,:,:)
geopt = file_handle[:]->PHB(time_in,:,:,:)
ter = file_handle[:]->HGT(time_in,:,:)
end if
end if
ua = wrf_user_unstagger(u_in,u_in@stagger)
va = wrf_user_unstagger(v_in,v_in@stagger)
geopt = geopt + PH
za = wrf_user_unstagger(geopt,geopt@stagger)
za = za / 9.81 ; change to height
ua1 = ua(::-1,:,:)
va1 = va(::-1,:,:)
za1 = za(::-1,:,:)
top_ok = 0
top = 3000.
dim_vars = dimsizes(varin)
if(dim_vars .eq. 2) then
if( varin(1) .eq. "3000" ) then
top = 3000.
top_ok = 1
end if
if( varin(1) .eq. "1000" ) then
top = 1000.
top_ok = 1
end if
if(top_ok .eq. 0) then
print("Top values of 1000 or 3000 are accepted.")
top = 3000.
end if
end if
print("Calculations are done with a top of " + top)
sreh = wrf_helicity(ua1, va1, za1, ter, top)
return(sreh)
end if
if( any(variable .eq. (/"updraft_helicity"/) ) )then
getU = "U"
getV = "V"
if(.not. isfilevar(nc_file,"U")) then
if(isfilevar(nc_file,"UU")) then
getU = "UU"
getV = "VV"
end if
end if
if ( time .eq. -1 ) then
if(ISFILE) then
u_in = nc_file->$getU$
v_in = nc_file->$getV$
w = nc_file->W
ph = nc_file->PH
phb = nc_file->PHB
else
u_in = file_handle[:]->$getU$
v_in = file_handle[:]->$getV$
w = file_handle[:]->W
ph = file_handle[:]->PH
phb = file_handle[:]->PHB
end if
else
if(ISFILE) then
u_in = nc_file->$getU$(time_in,:,:,:)
v_in = nc_file->$getV$(time_in,:,:,:)
w = nc_file->W(time_in,:,:,:)
ph = nc_file->PH(time_in,:,:,:)
phb = nc_file->PHB(time_in,:,:,:)
else
u_in = file_handle[:]->$getU$(time_in,:,:,:)
v_in = file_handle[:]->$getV$(time_in,:,:,:)
w = file_handle[:]->W(time_in,:,:,:)
ph = file_handle[:]->PH(time_in,:,:,:)
phb = file_handle[:]->PHB(time_in,:,:,:)
end if
end if
ua = wrf_user_unstagger(u_in,u_in@stagger)
va = wrf_user_unstagger(v_in,v_in@stagger)
mapfct = nc_file->MAPFAC_M(0,:,:)
zp = ph + phb
dx = nc_file@DX
dy = nc_file@DY
uh_opt = True
uh_opt@uhmnhgt = 2000.
uh_opt@uhmxhgt = 5000.
dim_vars = dimsizes(varin)
print("Calculating updraft helicity")
if(dim_vars .eq. 1) then
print(" Using defaults for the integration limits")
end if
if(dim_vars .eq. 2) then
print(" Please enter both the minimum and maximum integration limits")
print(" Going to use defaults for the integration limits")
end if
if(dim_vars .eq. 3) then
if ( stringtofloat(varin(1)) .lt. 1000. ) then
print(" Integration limits needs to be greater than 1000 meter")
print(" Going to use defaults for the integration limits")
else
uh_opt@uhmnhgt = stringtofloat(varin(1))
uh_opt@uhmxhgt = stringtofloat(varin(2))
print(" Setting custom integration limits")
end if
end if
print(" min = "+uh_opt@uhmnhgt+" max = "+uh_opt@uhmxhgt)
uh = wrf_updraft_helicity(zp, mapfct, ua, va, w, dx, dy, uh_opt)
delete(uh_opt)
return(uh)
end if
if( variable .eq. "twb" ) then
; Wet bulb temperature
if ( time .eq. -1 ) then
if(ISFILE) then
T = nc_file->T
P = nc_file->P
PB = nc_file->PB
QV = nc_file->QVAPOR
else
T = file_handle[:]->T
P = file_handle[:]->P
PB = file_handle[:]->PB
QV = file_handle[:]->QVAPOR
end if
else
if(ISFILE) then
T = nc_file->T(time_in,:,:,:)
P = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
QV = nc_file->QVAPOR(time_in,:,:,:)
else
T = file_handle[:]->T(time_in,:,:,:)
P = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
QV = file_handle[:]->QVAPOR(time_in,:,:,:)
end if
end if
T = T + 300.
P = P + PB
t = wrf_tk(P,T)
twb = wrf_wetbulb(P,t,QV)
delete_VarAtts(T,(/"description"/))
copy_VarAtts(T,twb)
return(twb)
end if
if( variable .eq. "omg" ) then
; Omega
if ( time .eq. -1 ) then
if(ISFILE) then
T = nc_file->T
P = nc_file->P
W = nc_file->W
PB = nc_file->PB
QV = nc_file->QVAPOR
else
T = file_handle[:]->T
P = file_handle[:]->P
W = file_handle[:]->W
PB = file_handle[:]->PB
QV = file_handle[:]->QVAPOR
end if
else
if(ISFILE) then
T = nc_file->T(time_in,:,:,:)
P = nc_file->P(time_in,:,:,:)
W = nc_file->W(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
QV = nc_file->QVAPOR(time_in,:,:,:)
else
T = file_handle[:]->T(time_in,:,:,:)
P = file_handle[:]->P(time_in,:,:,:)
W = file_handle[:]->W(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
QV = file_handle[:]->QVAPOR(time_in,:,:,:)
end if
end if
T = T + 300.
P = P + PB
t = wrf_tk(P,T)
wa = wrf_user_unstagger(W,W@stagger)
omg = wrf_omega(QV,t,wa,P)
delete_VarAtts(T,(/"description","units"/))
copy_VarAtts(T,omg)
return(omg)
end if
if( variable .eq. "tv" ) then
; Virtual temperature
if ( time .eq. -1 ) then
if(ISFILE) then
T = nc_file->T
P = nc_file->P
PB = nc_file->PB
QV = nc_file->QVAPOR
else
T = file_handle[:]->T
P = file_handle[:]->P
PB = file_handle[:]->PB
QV = file_handle[:]->QVAPOR
end if
else
if(ISFILE) then
T = nc_file->T(time_in,:,:,:)
P = nc_file->P(time_in,:,:,:)
PB = nc_file->PB(time_in,:,:,:)
QV = nc_file->QVAPOR(time_in,:,:,:)
else
T = file_handle[:]->T(time_in,:,:,:)
P = file_handle[:]->P(time_in,:,:,:)
PB = file_handle[:]->PB(time_in,:,:,:)
QV = file_handle[:]->QVAPOR(time_in,:,:,:)
end if
end if
T = T + 300.
P = P + PB
t = wrf_tk(P,T)
tv = wrf_virtual_temp(t,QV)
delete_VarAtts(T,(/"description"/))
copy_VarAtts(T,tv)
return(tv)
end if
if( any( variable .eq. (/"ter","HGT","HGT_M"/) ) ) then
variable = "HGT"
if(.not. isfilevar(nc_file,"HGT")) then
variable = "HGT_M"
end if
end if
if( any( variable .eq. (/"lat","XLAT","XLAT_M"/) ) ) then
variable = "XLAT"
if(.not. isfilevar(nc_file,"XLAT")) then
variable = "XLAT_M"
end if
end if
if( any( variable .eq. (/"lon","long","XLONG","XLONG_M"/) ) ) then
variable = "XLONG"
if(.not. isfilevar(nc_file,"XLONG")) then
variable = "XLONG_M"
end if
end if
if( any( variable .eq. (/"times"/) ) ) then
if ( time .eq. -1 ) then
if(ISFILE) then
var = nc_file->Times
else
var = file_handle[:]->Times
end if
else
if(ISFILE) then
var = nc_file->Times(time_in,:)
else
var = file_handle[:]->Times(time_in,:)
end if
end if
dims = dimsizes(var)
times = new(dims(0),string)
do i=0,dims(0)-1
times(i) = chartostring(var(i,:))
end do
times@description = "times in file"
return (times)
end if
; end of diagnostic variable list - we must want a variable already in the file.
if ( time .eq. -1 ) then
if(ISFILE) then
var = nc_file->$variable$
else
var = file_handle[:]->$variable$
end if
else
; check variable dimensionality and pull proper time out of file
ndims = dimsizes(filevardimsizes(nc_file,variable))
if( ndims .eq. 4) then
if(ISFILE) then
var = nc_file->$variable$(time_in,:,:,:)
else
var = file_handle[:]->$variable$(time_in,:,:,:)
end if
end if
if( ndims .eq. 3) then
if(ISFILE) then
var = nc_file->$variable$(time_in,:,:)
else
var = file_handle[:]->$variable$(time_in,:,:)
end if
end if
if( ndims .eq. 2) then
if(ISFILE) then
var = nc_file->$variable$(time_in,:)
else
var = file_handle[:]->$variable$(time_in,:)
end if
end if
if( ndims .eq. 1) then
if(ISFILE) then
var = nc_file->$variable$(time_in)
else
var = file_handle[:]->$variable$(time_in)
end if
end if
end if
return(var)
end
;--------------------------------------------------------------------------------
undef("wrf_user_getvar_from_files")
function wrf_user_getvar_from_files( nc_files:string, varin[*]:string, time[*]:integer, opts_args:logical )
begin
numFiles = dimsizes(nc_files)
f = addfiles(nc_files,"r")
var_tmp = wrf_user_getvar(f[0],varin,-1)
varDims = dimsizes(var_tmp)
varRank = dimsizes(varDims)
time_req = 0
time_inc = 1
time_end = varDims(0)*numFiles
if ( dimsizes(time) .eq. 1 ) then
if ( time(0) .ge. 0 ) then
numTimes = 1
time_req = time(0)
time_end = time(0)
time_inc = 1
else
numTimes = varDims(0)*numFiles
end if
end if
if ( dimsizes(time) .eq. 2 ) then
if ( time(0) .ge. 0 ) then
numTimes = (time(1)-time(0))+1
time_req = time(0)
time_end = time(1)
time_inc = 1
else
numTimes = varDims(0)*numFiles
end if
end if
if ( dimsizes(time) .eq. 3 ) then
if ( time(0) .ge. 0 ) then
numTimes = ((time(1)-time(0))+1)/time(2)
time_req = time(0)
time_end = time(1)
time_inc = time(2)
else
numTimes = varDims(0)*numFiles
end if
end if
outtime = 0
outtime_avail = 0
if ( varRank .eq. 4 )
varout = new ( (/numTimes,varDims(1),varDims(2),varDims(3)/), typeof(var_tmp) )
varout = 0
do it = 0,varDims(0)-1
if ( (outtime_avail.eq.time_req) .and. (time_req.le.time_end) ) then
varout(outtime,:,:,:) = var_tmp(it,:,:,:)
outtime = outtime + 1
time_req = time_req + time_inc
end if
outtime_avail = outtime_avail + 1
end do
delete(var_tmp)
do ifil = 1,numFiles-1
var_tmp = wrf_user_getvar(f[ifil],varin,-1)
dimLoop = dimsizes(var_tmp)
do it = 0,dimLoop(0)-1
if ( (outtime_avail.eq.time_req) .and. (time_req.le.time_end) ) then
varout(outtime,:,:,:) = var_tmp(it,:,:,:)
outtime = outtime + 1
time_req = time_req + time_inc
end if
outtime_avail = outtime_avail + 1
end do
delete(var_tmp)
end do
end if
if ( varRank .eq. 3 )
varout = new ( (/numTimes,varDims(1),varDims(2)/), typeof(var_tmp) )
varout = 0
do it = 0,varDims(0)-1
if ( (outtime_avail.eq.time_req) .and. (time_req.le.time_end) ) then
varout(outtime,:,:) = var_tmp(it,:,:)
outtime = outtime + 1
time_req = time_req + time_inc
end if
outtime_avail = outtime_avail + 1
end do
delete(var_tmp)
do ifil = 1,numFiles-1
var_tmp = wrf_user_getvar(f[ifil],varin,-1)
dimLoop = dimsizes(var_tmp)
do it = 0,dimLoop(0)-1
if ( (outtime_avail.eq.time_req) .and. (time_req.le.time_end) ) then
varout(outtime,:,:) = var_tmp(it,:,:)
outtime = outtime + 1
time_req = time_req + time_inc
end if
outtime_avail = outtime_avail + 1
end do
delete(var_tmp)
end do
end if
if ( varRank .eq. 2 )
varout = new ( (/numTimes,varDims(1)/), typeof(var_tmp) )
if ( typeof(var_tmp) .eq. "float" .or. typeof(var_tmp) .eq. "integer" ) then
varout = 0
end if
do it = 0,varDims(0)-1
if ( (outtime_avail.eq.time_req) .and. (time_req.le.time_end) ) then
varout(outtime,:) = var_tmp(it,:)
outtime = outtime + 1
time_req = time_req + time_inc
end if
outtime_avail = outtime_avail + 1
end do
delete(var_tmp)
do ifil = 1,numFiles-1
var_tmp = wrf_user_getvar(f[ifil],varin,-1)
dimLoop = dimsizes(var_tmp)
do it = 0,dimLoop(0)-1
if ( (outtime_avail.eq.time_req) .and. (time_req.le.time_end) ) then
varout(outtime,:) = var_tmp(it,:)
outtime = outtime + 1
time_req = time_req + time_inc
end if
outtime_avail = outtime_avail + 1
end do
delete(var_tmp)
end do
end if
if ( varRank .eq. 1 )
varout = new ( (/numTimes/), typeof(var_tmp) )
if ( typeof(var_tmp) .eq. "float" .or. typeof(var_tmp) .eq. "integer" ) then
varout = 0
end if
do it = 0,varDims(0)-1
if ( (outtime_avail.eq.time_req) .and. (time_req.le.time_end) ) then
varout(outtime) = var_tmp(it)
outtime = outtime + 1
time_req = time_req + time_inc
end if
outtime_avail = outtime_avail + 1
end do
delete(var_tmp)
do ifil = 1,numFiles-1
var_tmp = wrf_user_getvar(f[ifil],varin,-1)
dimLoop = dimsizes(var_tmp)
do it = 0,dimLoop(0)-1
if ( (outtime_avail.eq.time_req) .and. (time_req.le.time_end) ) then
varout(outtime) = var_tmp(it)
outtime = outtime + 1
time_req = time_req + time_inc
end if
outtime_avail = outtime_avail + 1
end do
delete(var_tmp)
end do
end if
return(varout)
end
;--------------------------------------------------------------------------------
; This function was modified in May 2011 to allow a list of files.
;
undef("wrf_user_list_times")
function wrf_user_list_times( nc_file )
local times, times_in_file, dims, i
begin
;---As of NCL V6.0.0, wrf_user_getvar can now handle a file or a list of files.
if(all(typeof(nc_file).ne.(/"file","list"/))) then
print("wrf_user_list_times: error: the input argument must be a file or a list of files opened with addfile or addfiles")
return
end if
if(typeof(nc_file).eq."file") then
times_in_file = nc_file->Times
else
times_in_file = nc_file[:]->Times
end if
dims = dimsizes(times_in_file)
times = new(dims(0),string)
do i=0,dims(0)-1
times(i) = chartostring(times_in_file(i,:))
end do
times@description = "times in file"
print(times)
return(times)
end
;--------------------------------------------------------------------------------
undef("wrf_user_latlon_to_ij")
function wrf_user_latlon_to_ij( nc_file:file, latitude:numeric, \
longitude:numeric )
begin
WE = "WEST-EAST_GRID_DIMENSION"
SN = "SOUTH-NORTH_GRID_DIMENSION"
wedim = nc_file@$WE$
sndim = nc_file@$SN$
if(isfilevar(nc_file,"XLAT"))
XLAT = nc_file->XLAT(0,:,:)
XLONG = nc_file->XLONG(0,:,:)
else
XLAT = nc_file->XLAT_M(0,:,:)
XLONG = nc_file->XLONG_M(0,:,:)
end if
loc = wrf_latlon_to_ij( XLAT, XLONG, latitude, longitude )
loc!0 = "j & i locations"
return(loc)
end
;--------------------------------------------------------------------------------
undef("wrf_user_ll_to_ij")
function wrf_user_ll_to_ij( file_handle, longitude:numeric, latitude:numeric, \
opts_args:logical )
begin
;
; As of NCL V6.0.0, wrf_user_ll_to_ij can now handle a file
; or a list of files.
;
if(typeof(file_handle).eq."file") then
ISFILE = True
nc_file = file_handle
else if(typeof(file_handle).eq."list") then
ISFILE = False
nc_file = file_handle[0]
else
print("wrf_user_ll_to_ij: error: the first argument must be a file or a list of files opened with addfile or addfiles")
return
end if
end if
opts = opts_args
useT = get_res_value(opts,"useTime",0)
returnI= get_res_value(opts,"returnInt",True)
res = True
res@MAP_PROJ = nc_file@MAP_PROJ
res@TRUELAT1 = nc_file@TRUELAT1
res@TRUELAT2 = nc_file@TRUELAT2
res@STAND_LON = nc_file@STAND_LON
res@DX = nc_file@DX
res@DY = nc_file@DY
if (res@MAP_PROJ .eq. 6) then
res@POLE_LAT = nc_file@POLE_LAT
res@POLE_LON = nc_file@POLE_LON
res@LATINC = (res@DY*360.)/2.0/3.141592653589793/6370000.
res@LONINC = (res@DX*360.)/2.0/3.141592653589793/6370000.
else
res@POLE_LAT = 90.0
res@POLE_LON = 0.0
res@LATINC = 0.0
res@LONINC = 0.0
end if
if(isfilevar(nc_file,"XLAT"))
if(ISFILE) then
XLAT = nc_file->XLAT(useT,:,:)
XLONG = nc_file->XLONG(useT,:,:)
else
XLAT = file_handle[useT]->XLAT
XLONG = file_handle[useT]->XLONG
end if
else
if(ISFILE) then
XLAT = nc_file->XLAT_M(useT,:,:)
XLONG = nc_file->XLONG_M(useT,:,:)
else
XLAT = file_handle[useT]->XLAT_M
XLONG = file_handle[useT]->XLONG_M
end if
end if
if(dimsizes(dimsizes(XLAT)).eq.2) then
; Rank 2
res@REF_LAT = XLAT(0,0)
res@REF_LON = XLONG(0,0)
else
; Rank 3
res@REF_LAT = XLAT(0,0,0)
res@REF_LON = XLONG(0,0,0)
end if
res@KNOWNI = 1.0
res@KNOWNJ = 1.0
loc = wrf_ll_to_ij (longitude, latitude, res)
if ( returnI ) then
loci = new(dimsizes(loc),integer)
;loci@_FillValue = default_fillvalue("integer") ; was -999
loci = tointeger(loc + .5)
loci!0 = loc!0
return(loci)
else
return(loc)
end if
end
;--------------------------------------------------------------------------------
undef("wrf_user_ij_to_ll")
function wrf_user_ij_to_ll( file_handle, i:numeric, j:numeric, \
opts_args:logical )
begin
;
; As of NCL V6.0.0, wrf_user_ll_to_ij can now handle a file
; or a list of files.
;
if(typeof(file_handle).eq."file") then
ISFILE = True
nc_file = file_handle
else if(typeof(file_handle).eq."list") then
ISFILE = False
nc_file = file_handle[0]
else
print("wrf_user_ij_to_ll: error: the first argument must be a file or a list of files opened with addfile or addfiles")
return
end if
end if
opts = opts_args
useT = get_res_value(opts,"useTime",0)
res = True
res@MAP_PROJ = nc_file@MAP_PROJ
res@TRUELAT1 = nc_file@TRUELAT1
res@TRUELAT2 = nc_file@TRUELAT2
res@STAND_LON = nc_file@STAND_LON
res@DX = nc_file@DX
res@DY = nc_file@DY
if (res@MAP_PROJ .eq. 6) then
res@POLE_LAT = nc_file@POLE_LAT
res@POLE_LON = nc_file@POLE_LON
res@LATINC = (res@DY*360.)/2.0/3.141592653589793/6370000.
res@LONINC = (res@DX*360.)/2.0/3.141592653589793/6370000.
else
res@POLE_LAT = 90.0
res@POLE_LON = 0.0
res@LATINC = 0.0
res@LONINC = 0.0
end if
if(isfilevar(nc_file,"XLAT")) then
if(ISFILE) then
XLAT = nc_file->XLAT(useT,:,:)
XLONG = nc_file->XLONG(useT,:,:)
else
XLAT = file_handle[useT]->XLAT
XLONG = file_handle[useT]->XLONG
end if
else
if(ISFILE) then
XLAT = nc_file->XLAT_M(useT,:,:)
XLONG = nc_file->XLONG_M(useT,:,:)
else
XLAT = file_handle[useT]->XLAT_M
XLONG = file_handle[useT]->XLONG_M
end if
end if
if(dimsizes(dimsizes(XLAT)).eq.2) then
; Rank 2
res@REF_LAT = XLAT(0,0)
res@REF_LON = XLONG(0,0)
else
; Rank 3
res@REF_LAT = XLAT(0,0,0)
res@REF_LON = XLONG(0,0,0)
end if
res@KNOWNI = 1.0
res@KNOWNJ = 1.0
loc = wrf_ij_to_ll (i,j,res)
return(loc)
end
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
undef("write_wrf_debug_info")
procedure write_wrf_debug_info(wks[1]:graphic,data1,data2, \
debug_file[1]:string, \
wrf_opts,wrf_func_name[1]:string)
;
; This procedure writes resources and data variables used to
; create a WRF plot to a NetCDF file. This file can be read
; in later to recreate the NCL script that created that plot,
; using gsn_xxx functions. This is for debug purposes. You can't
; tell what resources a WRF script is using, so this is a way
; of seeing them all in a NetCDF file.
;
begin
if(.not.isatt(wks,"WRFDebug")) then
first_time = True
wks@WRFDebug = True
else
first_time = False
end if
;
; The default will be "wrfdebug.ncl" and "wrfdebug.nc"
; unless otherwise specified.
;
cdf_debug_file = debug_file + ".nc"
ncl_debug_file = debug_file + ".ncl"
res_debug_file = debug_file + ".res"
;
; If this is the first time writing debug information to the file,
; then create the file and add the first set of information.
;
; Make sure the files don't already exist.
;
if(first_time) then
if(isfilepresent(cdf_debug_file).or.isfilepresent(ncl_debug_file).or.\
isfilepresent(res_debug_file)) then
print("write_wrf_debug_info: error: debug files '" + cdf_debug_file + "',")
print("'" + ncl_debug_file + "' and/or " + res_debug_file + " exist.")
print("Please remove file(s) and start script again.")
exit
end if
dbgfile = addfile(cdf_debug_file,"c")
else
;
; If this is not the first time, open the file as read/write.
;
dbgfile = addfile(cdf_debug_file,"w")
end if
;
; If this is not the first time, then we need to append the information.
;
if(.not.first_time) then
;
; The variables should be wrf_var_1, wrf_var_2, etc. We need to get the
; highest one already in use, so we can create the next highest one.
;
wrf_debug_vars = getfilevarnames(dbgfile)
max_num = max(stringtointeger(str_get_field(wrf_debug_vars,3,"_"))) + 1
else
max_num = 1
end if
; This will be name of the logical variable to hold all the resources
; for this dataset.
wrf_res_name = "wrf_res_" + max_num
;
; Write the plot data to the netCDF file. If the data contains the
; special 2D lat2d/lon2d arrays, we have to write these as 1D arrays
; and reconstruct them as 2D later.
;
if(typeof(data1).ne."logical".and.typeof(data2).eq."logical") then
; For non u,v data
wrf_data_name = "wrf_data_" + max_num
add_latlon2d_debug_info(data1)
dbgfile->$wrf_data_name$ = (/data1/) ; Write the data
end if
if(typeof(data1).ne."logical".and.typeof(data2).ne."logical") then
; For u,v data
add_latlon2d_debug_info(data1)
add_latlon2d_debug_info(data2)
wrf_data_name = "wrf_udata_" + max_num
dbgfile->$wrf_data_name$ = (/data1/) ; Write the U data
wrf_data_name = "wrf_vdata_" + max_num
dbgfile->$wrf_data_name$ = (/data2/) ; Write the V data
end if
; Retain the name of the wrf function that called this routine.
tmp = "wrf_func_name_" + max_num
dbgfile@$tmp$ = wrf_func_name
;
; Get plot resources, if any.
;
wattnames = getvaratts(wrf_opts)
if(.not.any(ismissing(wattnames))) then
natt = dimsizes(wattnames)
else
natt = 0
end if
;
; Check if any of the plot attributes are ones that can contain
; big data arrays, like sfXArray, vfYArray, etc.
;
; If so, then write these to the netCDF file. Otherwise, write them
; to the file as attributes.
;
array_resources = (/"sfXArray","sfYArray","vfXArray","vfYArray"/)
if(natt.gt.0) then
tmp_opts = 1
do i=0,natt-1
if(any(wattnames(i).eq.array_resources)) then
tmp = "wrf_data_coord_name_" + wattnames(i) + "_" + max_num
dbgfile->$tmp$ = wrf_opts@$wattnames(i)$
else
; Can't write "logical" to a NetCDF file.
if(typeof(wrf_opts@$wattnames(i)$).eq."logical") then
if(wrf_opts@$wattnames(i)$) then
tmp_opts@$wattnames(i)$ = 1
else
tmp_opts@$wattnames(i)$ = 0
end if
else
; Just write the resource.
tmp_opts@$wattnames(i)$ = wrf_opts@$wattnames(i)$
end if
end if
end do
dbgfile->$wrf_res_name$ = tmp_opts
end if
; Close the NetCDF file
delete(dbgfile)
end
undef("write_wrf_debug_script")
procedure write_wrf_debug_script(wks,debug_file,wrf_func_name)
begin
dbgfile = addfile(debug_file+".nc","r")
print(getvaratts(dbgfile))
end
undef("delete_attrs")
procedure delete_attrs(opts:logical)
; This procedure does some cleanup by removing unneeded attributes
; so they don't get passed to other routines by accident.
begin
list_attrs = (/"MainTitle","MainTitlePos","MainTitlePosF", \
"InitTime","ValidTime","TimePos","TimePosF", \
"NoHeaderFooter","TimeLabel","LevelLabel", \
"FieldTitle","UnitLabel","NumVectors","AspectRatio", \
"SubFieldTitle","PlotOrientation","PlotLevelID", \
"mpNestTime","ContourParameters","FontHeightF","Footer", \
"start_lat","start_lon","end_lat","end_lon", \
"proj","map_proj","stand_lon","truelat1","truelat2","cenlat", \
"pole_lat","pole_lon","ref_lat","ref_lon","ref_x","ref_y", \
"e_we","e_sn","parent_id","parent_grid_ratio", \
"i_parent_start","j_parent_start", \
"dx","dy","max_dom" \
/)
do i=0,dimsizes(list_attrs)-1
if(isatt(opts,list_attrs(i))) then
delete(opts@$list_attrs(i)$)
end if
end do
end
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
undef("set_cn_resources")
function set_cn_resources (data[*][*]:numeric, res:logical)
begin
opts = res
; The ContourParameters resource can either be a scalar that
; represents the contour level spacing, or it can be an array
; of three elements that represent the minimum level, the maximum
; level, and the level spacing.
;
mx = max(data)
mn = min(data)
if(mn.ne.mx.and.opts.and.isatt(opts,"ContourParameters")) then
if(dimsizes(opts@ContourParameters) .eq. 1) then
; Only the contour interval is specified.
nlev = tointeger((mx-mn)/opts@ContourParameters)+1
levels = nice_mnmxintvl(mn,mx,nlev,True)
if(levels(0) .lt. 0.) then
; Set a zero contour.
nlev = tointeger(levels(0)/opts@ContourParameters) - 1
levels(0) = nlev*opts@ContourParameters
end if
nlev = tointeger((levels(1)-levels(0))/opts@ContourParameters)+1
levels(1) = levels(0) + nlev*opts@ContourParameters
levels(2) = opts@ContourParameters
; Min level, max level, and level spacing are specified by user.
else
if(dimsizes(opts@ContourParameters) .eq. 3) then
levels = opts@ContourParameters
else
print("wrf_contour: Warning: illegal setting for ContourParameters attribute")
end if
end if
end if
; Contour levels
if(isvar("levels")) then
opts@cnLevelSelectionMode = get_res_value_keep(opts, "cnLevelSelectionMode", "ManualLevels")
opts@cnMinLevelValF = get_res_value_keep(opts, "cnMinLevelValF", levels(0))
opts@cnMaxLevelValF = get_res_value_keep(opts, "cnMaxLevelValF", levels(1))
opts@cnLevelSpacingF = get_res_value_keep(opts, "cnLevelSpacingF",levels(2))
delete(levels)
end if
; Set the default zero line thickness to 2, and the negative contour
; line dash pattern to 1 (0 is solid).
opts@gsnContourZeroLineThicknessF = get_res_value_keep(opts, "gsnContourZeroLineThicknessF",2.0)
opts@gsnContourNegLineDashPattern = get_res_value_keep(opts, "gsnContourNegLineDashPattern",1)
; Set resources that apply for both filled and line contour plots.
opts@cnFillDrawOrder = get_res_value_keep(opts,"cnFillDrawOrder", "PreDraw")
opts@cnLineLabelAngleF = get_res_value_keep(opts,"cnLineLabelAngleF", 0.0)
opts@cnLineLabelFontHeightF = get_res_value_keep(opts,"cnLineLabelFontHeightF", 0.015)
opts@cnInfoLabelFontHeightF = get_res_value_keep(opts,"cnInfoLabelFontHeightF", 0.015)
opts@cnLineLabelPerimOn = get_res_value_keep(opts,"cnLineLabelPerimOn", True)
opts@cnInfoLabelPerimOn = get_res_value_keep(opts,"cnInfoLabelPerimOn", False)
opts@cnLineLabelBackgroundColor = get_res_value_keep(opts,"cnLineLabelBackgroundColor", -1)
opts@cnHighLabelBackgroundColor = get_res_value_keep(opts,"cnHighLabelBackgroundColor", -1)
opts@cnLowLabelBackgroundColor = get_res_value_keep(opts,"cnLowLabelBackgroundColor", -1)
opts@cnLineColor = get_res_value_keep(opts,"cnLineColor", "Black")
opts@cnLineLabelFontColor = opts@cnLineColor
opts@cnLineLabelPerimColor = opts@cnLineColor
opts@cnInfoLabelFontColor = opts@cnLineColor
opts@cnHighLabelFontColor = opts@cnLineColor
opts@cnLowLabelFontColor = opts@cnLineColor
; Set field Title and levels if available
if(.not.isatt(opts,"cnInfoLabelString")) then
info_string = " Contours: $CMN$ to $CMX$ by $CIU$"
if(isatt(opts,"FieldTitle")) then
opts@cnInfoLabelString = opts@FieldTitle + info_string
else if(isatt(data,"description")) then
opts@cnInfoLabelString = data@description + info_string
else
opts@cnInfoLabelString = info_string
end if
end if
end if
return(opts)
end
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
undef("set_lb_resources")
function set_lb_resources (data[*][*]:numeric, res:logical)
begin
opts = res
; Somewhat convoluted way to see if a labelbar is not desired.
if(check_attr(opts,"pmTickMarkDisplayMode","Never",True).or.\
check_attr(opts,"pmTickMarkDisplayMode",-1,False).or.\
check_attr(opts,"pmTickMarkDisplayMode",0,False).or. \
check_attr(opts,"lbLabelBarOn",False,False).or.\
check_attr(opts,"lbLabelBarOn",0,False)) then
lbar_on = False
else
lbar_on = True
end if
atmp = get_res_value(opts,"lbLabelBarOn",True) ; Remove this resource
delete(atmp) ; just in case.
; Possible title for the labelbar
if(isatt(opts,"FieldTitle")) then
lb_desc = opts@FieldTitle
else
if(isatt(data,"description")) then
lb_desc = data@description
else
lb_desc = ""
end if
end if
if(isatt(opts,"UnitLabel") ) then
lb_desc = lb_desc + " (" + opts@UnitLabel + ")"
else
if(isatt(data,"units") .and. .not.(data@units.eq."")) then
lb_desc = lb_desc + " (" + data@units + ")"
end if
end if
if(.not.isatt(opts,"cnFillColors")) then
opts@gsnSpreadColors = get_res_value_keep(opts, "gsnSpreadColors", True)
end if
opts@cnInfoLabelOn = get_res_value_keep(opts,"cnInfoLabelOn", False)
opts@cnLinesOn = get_res_value_keep(opts,"cnLinesOn", False)
opts@cnLineLabelsOn = get_res_value_keep(opts,"cnLineLabelsOn", False)
; Labelbar resources
if(lbar_on) then
opts@pmLabelBarDisplayMode = get_res_value_keep(opts,"pmLabelBarDisplayMode", "Always")
opts@pmLabelBarSide = get_res_value_keep(opts,"pmLabelBarSide", "Bottom")
opts@lbAutoManage = get_res_value_keep(opts,"lbAutoManage",False)
opts@lbOrientation = get_res_value_keep(opts,"lbOrientation", "Horizontal")
opts@lbPerimOn = get_res_value_keep(opts,"lbPerimOn", False)
opts@lbLabelJust = get_res_value_keep(opts,"lbLabelJust", "BottomCenter")
opts@lbLabelAutoStride = get_res_value_keep(opts,"lbLabelAutoStride",True)
opts@lbBoxMinorExtentF = get_res_value_keep(opts,"lbBoxMinorExtentF", 0.13)
opts@lbTitleFontHeightF = get_res_value_keep(opts,"lbTitleFontHeightF", 0.015)
opts@lbLabelFontHeightF = get_res_value_keep(opts,"lbLabelFontHeightF", 0.015)
opts@pmLabelBarOrthogonalPosF = get_res_value_keep(opts,"pmLabelBarOrthogonalPosF", -0.1)
opts@lbTitleOn = get_res_value_keep(opts,"lbTitleOn", True)
if(lb_desc.ne."" .and. opts@lbTitleOn) then
opts@lbTitleOn = get_res_value_keep(opts,"lbTitleOn", True)
opts@lbTitleString = get_res_value_keep(opts,"lbTitleString", lb_desc)
opts@lbTitleJust = get_res_value_keep(opts,"lbTitleJust", "BottomCenter")
opts@lbTitleOffsetF = get_res_value_keep(opts,"lbTitleOffsetF", -0.5)
else
opts@lbTitleOn = False
end if
end if
return(opts)
end
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
undef("set_title_resources")
function set_title_resources (data[*][*]:numeric, res:logical)
begin
opts = res
; Set field Title and levels if available
if(isatt(opts,"FieldTitle")) then
SubTitles = opts@FieldTitle
else
if(isatt(data,"description")) then
SubTitles = data@description
else
SubTitles = "UnKnown"
end if
end if
if(isatt(opts,"SubFieldTitle")) then
SubTitles = SubTitles + " " + opts@SubFieldTitle
end if
if(isatt(opts,"UnitLabel")) then
SubTitles = SubTitles + " (" + opts@UnitLabel + ")"
else
if(isatt(data,"units") .and. .not.(data@units.eq."")) then
SubTitles = SubTitles + " (" + data@units + ")"
end if
end if
if (isatt(opts,"PlotLevelID")) then
SubTitles = SubTitles + " at " + opts@PlotLevelID
else
if (isatt(data,"PlotLevelID")) then
SubTitles = SubTitles + " at " + data@PlotLevelID
end if
end if
opts@tiMainString = SubTitles
return(opts)
end
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
undef("set_vc_resources")
function set_vc_resources (res:logical)
begin
opts = res
if ( isatt(opts,"vpWidthF") ) then
; num_vectors is used for vcMinDistanceF and vcRefLengthF
width = opts@vpWidthF
num_vectors = get_res_value(opts,"NumVectors",25.0)
opts@vcMinDistanceF = get_res_value_keep(opts,"vcMinDistanceF", width/num_vectors)
opts@vcRefLengthF = get_res_value_keep(opts,"vcRefLengthF", width/num_vectors)
else
opts@vcMinDistanceF = get_res_value_keep(opts,"vcMinDistanceF", 0.02)
opts@vcRefLengthF = get_res_value_keep(opts,"vcRefLengthF", 0.02)
end if
opts@vcGlyphStyle = get_res_value_keep(opts,"vcGlyphStyle", "WindBarb")
opts@vcWindBarbColor = get_res_value_keep(opts,"vcWindBarbColor", "Black")
opts@vcRefAnnoOn = get_res_value_keep(opts,"vcRefAnnoOn", False)
opts@vcMinFracLengthF = get_res_value_keep(opts,"vcMinFracLengthF", .2)
return(opts)
end
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
undef("set_mp_resources")
function set_mp_resources (res:logical)
begin
opts = res
; "LowRes" is the default that NCL uses, so you don't need to
; set it here. However, if you want a higher resolution, use
; "MediumRes". If you want higher resolution for the coastlines,
; then set it to "HighRes", but then you also need to download
; the RANGS-GSHHS database. Higher resolutions take longer to
; draw.
opts@mpDataBaseVersion = get_res_value_keep(opts, "mpDataBaseVersion","MediumRes")
;opts@mpOutlineBoundarySets = get_res_value_keep(opts, "mpOutlineBoundarySets", "AllBoundaries")
opts@mpOutlineBoundarySets = get_res_value_keep(opts, "mpOutlineBoundarySets", "GeophysicalAndUSStates")
opts@mpPerimLineThicknessF = get_res_value_keep(opts, "mpPerimLineThicknessF", 1.0)
opts@tmXBLabelFontHeightF = get_res_value_keep(opts, "tmXBLabelFontHeightF", 0.01)
opts@tmYLLabelFontHeightF = get_res_value_keep(opts, "tmYLLabelFontHeightF", 0.01)
; Select portion of the map to view.
opts@mpLimitMode = get_res_value_keep(opts, "mpLimitMode","Corners")
opts@mpLeftCornerLatF = get_res_value_keep(opts, "mpLeftCornerLatF", opts@start_lat)
opts@mpLeftCornerLonF = get_res_value_keep(opts, "mpLeftCornerLonF", opts@start_lon)
opts@mpRightCornerLatF = get_res_value_keep(opts, "mpRightCornerLatF",opts@end_lat)
opts@mpRightCornerLonF = get_res_value_keep(opts, "mpRightCornerLonF",opts@end_lon)
if ( opts@mpRightCornerLonF .lt. 0.0 ) then
opts@mpRightCornerLonF = opts@mpRightCornerLonF + 360.0
end if
; Set some other resources for line colors and grid spacing.
opts@mpGeophysicalLineColor = get_res_value_keep(opts, "mpGeophysicalLineColor","Gray")
opts@mpGeophysicalLineThicknessF = get_res_value_keep(opts, "mpGeophysicalLineThicknessF",0.5)
opts@mpGridLineColor = get_res_value_keep(opts, "mpGridLineColor","Gray")
opts@mpGridLineThicknessF = get_res_value_keep(opts, "mpGridLineThicknessF",0.5)
;opts@mpGridMaskMode = get_res_value_keep(opts, "mpGridMaskMode",3)
opts@mpGridSpacingF = get_res_value_keep(opts, "mpGridSpacingF",5)
opts@mpLimbLineColor = get_res_value_keep(opts, "mpLimbLineColor","Gray")
opts@mpLimbLineThicknessF = get_res_value_keep(opts, "mpLimbLineThicknessF",0.5)
opts@mpNationalLineColor = get_res_value_keep(opts, "mpNationalLineColor","Gray")
opts@mpNationalLineThicknessF = get_res_value_keep(opts, "mpNationalLineThicknessF",0.5)
opts@mpPerimLineColor = get_res_value_keep(opts, "mpPerimLineColor","Gray")
opts@mpPerimOn = get_res_value_keep(opts, "mpPerimOn",True)
opts@mpUSStateLineColor = get_res_value_keep(opts, "mpUSStateLineColor","Gray")
opts@mpUSStateLineThicknessF = get_res_value_keep(opts, "mpUSStateLineThicknessF",0.5)
opts@pmTickMarkDisplayMode = get_res_value_keep(opts, "pmTickMarkDisplayMode","Always")
; Tick mark resources
;opts@tmXBMajorLengthF = get_res_value(opts, "tmXBMajorLengthF",-0.03)
;opts@tmYLMajorLengthF = get_res_value(opts, "tmYLMajorLengthF",-0.03)
opts@tmXTOn = get_res_value(opts,"tmXTOn",False)
opts@tmYROn = get_res_value(opts,"tmYROn",False)
opts@tmYRLabelsOn = get_res_value(opts,"tmYRLabelsOn",True)
opts@tmXBBorderOn = get_res_value(opts,"tmXBBorderOn",True)
opts@tmXTBorderOn = get_res_value(opts,"tmXTBorderOn",True)
opts@tmYLBorderOn = get_res_value(opts,"tmYLBorderOn",True)
opts@tmYRBorderOn = get_res_value(opts,"tmYRBorderOn",True)
return(opts)
end
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
undef("_SetMainTitle")
procedure _SetMainTitle(nc_file:file,wks[1]:graphic,cn[1]:graphic,opts)
; This procedure checks the input data for certain attributes, and
; based on those, sets MainTitle, InitTime and ValidTime
;
; Attributes recognized by this procedure:
; MainTitle (main title - top left)
; (with Init time top right)
; TimeLabel (valid time - right under init time)
; NoHeaderFooter (switch all headers and footers off - mainly for panels)
;
; If the "NoHeaderFooter" attribute exists and is set True, then
; don't create any titles.
begin
;
if(opts.and.isatt(opts,"NoHeaderFooter").and.opts@NoHeaderFooter) then
return
end if
;
; Set basic plot font
;
font_height = get_res_value_keep(opts,"FontHeightF",0.01)
;
;
; If a MainTitle attribute hasn't been set, then set to "WRF"
; Also set an Initial time
;
; MAIN Header of plot
opts@MainTitle = get_res_value_keep(opts,"MainTitle", " ")
opts@MainTitlePos = get_res_value_keep(opts,"MainTitlePos", "Left")
opts@InitTime = get_res_value_keep(opts,"InitTime", True)
opts@ValidTime = get_res_value_keep(opts,"ValidTime", True)
opts@TimePos = get_res_value_keep(opts,"TimePos", "Right")
opts@Footer = get_res_value_keep(opts,"Footer", True)
if (opts@MainTitlePos .eq. "Left")
opts@MainTitlePos = "CenterLeft"
opts@MainTitlePosF = 0.0
end if
if (opts@MainTitlePos .eq. "Center")
opts@MainTitlePos = "CenterCenter"
opts@MainTitlePosF = 0.5
end if
if (opts@MainTitlePos .eq. "Right")
opts@MainTitlePos = "CenterRight"
opts@MainTitlePosF = 1.0
end if
if (opts@TimePos .eq. "Left")
MTOPosF = 0.30
else
MTOPosF = 0.20
end if
txt0 = create "MainPlotTitle" textItemClass wks
"txString" : opts@MainTitle
"txFontHeightF" : font_height*1.5
end create
anno = NhlAddAnnotation(cn,txt0)
setvalues anno
"amZone" : 3
"amSide" : "Top"
"amJust" : opts@MainTitlePos
"amParallelPosF" : opts@MainTitlePosF
"amOrthogonalPosF" : MTOPosF
"amResizeNotify" : False
end setvalues
; Time information on plot
if (opts@TimePos .eq. "Left")
opts@TimePos = "CenterLeft"
opts@TimePosF = 0.0
if (opts@MainTitlePos .eq. "CenterLeft")
MTOPosF = MTOPosF - 0.05
end if
end if
if (opts@TimePos .eq. "Right")
opts@TimePos = "CenterRight"
opts@TimePosF = 1.0
if (opts@MainTitlePos .eq. "CenterRight")
MTOPosF = MTOPosF - 0.05
end if
end if
if( isatt(nc_file,"START_DATE") ) then
model_start_time = nc_file@START_DATE
else
if( isatt(nc_file,"SIMULATION_START_DATE") ) then
model_start_time = nc_file@SIMULATION_START_DATE
else
opts@InitTime = False
end if
end if
if( opts@InitTime ) then
InitTime = "Init: " + model_start_time
txt1 = create "InitTime" textItemClass wks
"txString" : InitTime
"txFontHeightF" : font_height
end create
anno = NhlAddAnnotation(cn,txt1)
setvalues anno
"amZone" : 3
"amSide" : "Top"
"amJust" : opts@TimePos
"amParallelPosF" : opts@TimePosF
"amOrthogonalPosF" : MTOPosF
"amResizeNotify" : False
end setvalues
end if
plot_narrow = False
if((opts).and.(isatt(opts,"vpWidthF")).and.(isatt(opts,"vpHeightF"))) then
ph = opts@vpHeightF
pw = opts@vpWidthF
phw = ph/pw
if ( phw .gt. 1.8 ) then
plot_narrow = True
end if
end if
if( opts@ValidTime .and. isatt(opts,"TimeLabel") ) then
ValidTime = "Valid: " + opts@TimeLabel
MTOPosF = MTOPosF - 0.03
txt2 = create "ValidTime" textItemClass wks
"txString" : ValidTime
"txFontHeightF" : font_height
end create
anno = NhlAddAnnotation(cn,txt2)
setvalues anno
"amZone" : 3
"amSide" : "Top"
"amJust" : opts@TimePos
"amParallelPosF" : opts@TimePosF
"amOrthogonalPosF" : MTOPosF
"amResizeNotify" : False
end setvalues
end if
; Add Footer if called for
if( opts@Footer ) then
footer1 = nc_file@TITLE
dis = nc_file@DX / 1000.0
WE = "WEST-EAST_GRID_DIMENSION"
SN = "SOUTH-NORTH_GRID_DIMENSION"
BT = "BOTTOM-TOP_GRID_DIMENSION"
footer2 = " WE = " + nc_file@$WE$ + \
" ; SN = " + nc_file@$SN$ + \
" ; Levels = " + nc_file@$BT$ + \
" ; Dis = " + dis + "km"
if ( isatt(nc_file,"MP_PHYSICS")) then
footer2 = footer2 + " ; Phys Opt = " + nc_file@MP_PHYSICS
end if
if ( isatt(nc_file,"BL_PBL_PHYSICS")) then
footer2 = footer2 + " ; PBL Opt = " + nc_file@BL_PBL_PHYSICS
end if
if ( isatt(nc_file,"CU_PHYSICS")) then
footer2 = footer2 + " ; Cu Opt = " + nc_file@CU_PHYSICS
end if
Footer = footer1 + "~C~" + footer2
else
Footer = " "
end if
txt3 = create "Footer" textItemClass wks
"txString" : Footer
"txFontHeightF" : font_height*.9
end create
anno = NhlAddAnnotation(cn,txt3)
setvalues anno
"amZone" : 1
; "amZone" : 7
"amJust" : "TopLeft"
"amSide" : "Bottom"
"amParallelPosF" : 0.0
"amOrthogonalPosF" : -0.55
"amResizeNotify" : False
end setvalues
; Add X-setion information if needed
if(opts.and.isatt(opts,"PlotOrientation")) then
;Xsection = "Cross-Section Orientation : " + opts@PlotOrientation
Xsection = opts@PlotOrientation
txt4 = create "Xsection" textItemClass wks
"txString" : Xsection
"txFontHeightF" : font_height*.9
end create
anno = NhlAddAnnotation(cn,txt4)
setvalues anno
"amZone" : 3
"amSide" : "Top"
"amJust" : "CenterRight"
"amParallelPosF" : 1.0
"amOrthogonalPosF" : 0.005
"amResizeNotify" : False
end setvalues
end if
end
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
undef("set_mp_wrf_map_resources")
function set_mp_wrf_map_resources(in_file[1]:file,opt_args[1]:logical)
begin
;
opts = opt_args ; Make a copy of the resource list
; Set some resources depending on what kind of map projection is
; chosen.
;
; MAP_PROJ = 0 : "CylindricalEquidistant"
; MAP_PROJ = 1 : "LambertConformal"
; MAP_PROJ = 2 : "Stereographic"
; MAP_PROJ = 3 : "Mercator"
; MAP_PROJ = 6 : "Lat/Lon"
if(isatt(in_file,"MAP_PROJ"))
; CylindricalEquidistant
if(in_file@MAP_PROJ .eq. 0)
projection = "CylindricalEquidistant"
opts@mpProjection = projection
opts@mpGridSpacingF = 45
opts@mpCenterLatF = get_res_value_keep(opts, "mpCenterLatF", 0.0)
if(isatt(in_file,"STAND_LON"))
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",in_file@STAND_LON)
else
if(isatt(in_file,"CEN_LON"))
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",in_file@CEN_LON)
else
print("ERROR: Found neither STAND_LON or CEN_LON in file")
end if
end if
end if
; LambertConformal projection
if(in_file@MAP_PROJ .eq. 1)
projection = "LambertConformal"
opts@mpProjection = projection
opts@mpLambertParallel1F = get_res_value_keep(opts, "mpLambertParallel1F",in_file@TRUELAT1)
opts@mpLambertParallel2F = get_res_value_keep(opts, "mpLambertParallel2F",in_file@TRUELAT2)
if(isatt(in_file,"STAND_LON"))
opts@mpLambertMeridianF = get_res_value_keep(opts, "mpLambertMeridianF",in_file@STAND_LON)
else
if(isatt(in_file,"CEN_LON"))
opts@mpLambertMeridianF = get_res_value_keep(opts, "mpLambertMeridianF",in_file@CEN_LON)
else
print("ERROR: Found neither STAND_LON or CEN_LON in file")
end if
end if
end if
; Stereographic projection
if(in_file@MAP_PROJ .eq. 2)
projection = "Stereographic"
opts@mpProjection = projection
opts@mpCenterLatF = get_res_value_keep(opts, "mpCenterLatF", in_file@CEN_LAT)
if(isatt(in_file,"STAND_LON"))
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",in_file@STAND_LON)
else
if(isatt(in_file,"CEN_LON"))
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",in_file@CEN_LON)
else
print("ERROR: Found neither STAND_LON or CEN_LON in file")
end if
end if
end if
; Mercator projection
if(in_file@MAP_PROJ .eq. 3)
projection = "Mercator"
opts@mpProjection = projection
opts@mpCenterLatF = get_res_value_keep(opts, "mpCenterLatF", 0.0)
if(isatt(in_file,"STAND_LON"))
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",in_file@STAND_LON)
else
if(isatt(in_file,"CEN_LON"))
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",in_file@CEN_LON)
else
print("ERROR: Found neither STAND_LON or CEN_LON in file")
end if
end if
end if
; global WRF CylindricalEquidistant
if(in_file@MAP_PROJ .eq. 6)
projection = "CylindricalEquidistant"
opts@mpProjection = projection
opts@mpGridSpacingF = 45
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",in_file@CEN_LON)
if( isatt(in_file,"POLE_LAT") ) then
opts@mpCenterRotF = get_res_value_keep(opts, "mpCenterRotF", 90.0 - in_file@POLE_LAT)
delete(opts@mpCenterLonF)
calcen = -190.
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF", calcen )
end if
end if
end if
return(opts) ; Return.
end
;--------------------------------------------------------------------------------
undef("wrf_contour_ps")
function wrf_contour_ps(nc_file:file,wks[1]: graphic, data[*][*]:numeric, \
opt_args[1]:logical)
begin
callFrame = True
if ( isatt(opt_args,"FrameIT") ) then
if ( .not.opt_args@FrameIT ) then
callFrame = False
end if
delete (opt_args@FrameIT)
end if
lat2U = nc_file->XLAT_U(0,:,:)
lon2U = nc_file->XLONG_U(0,:,:)
opts = opt_args
opts@sfXArray = lon2U
opts@sfYArray = lat2U
opts@sfDataArray = data
opts@mpProjection = "Stereographic"
opts@mpEllipticalBoundary = True
opts@mpFillOn = False
opts@mpGeophysicalLineColor = get_res_value_keep(opts, "mpGeophysicalLineColor","Gray")
opts@mpGeophysicalLineThicknessF = get_res_value_keep(opts, "mpGeophysicalLineThicknessF",2.0)
; Set the contour resources
opts = set_cn_resources(data,opts)
opts@cnInfoLabelFontHeightF = 0.012
opts@cnLineLabelPerimOn = False
opts@cnInfoLabelPerimOn = True
; Find out if we are working with a contour or a shaded plot
; fill_on = False : line contour plot
; fill_on = True : filled contour plot
fill_on = get_res_value_keep(opts,"cnFillOn",False)
if(fill_on) then ; set lb resources if needed
opts@pmLabelBarDisplayMode = get_res_value_keep(opts,"pmLabelBarDisplayMode", "Never")
opts = set_lb_resources(data,opts)
opts@pmLabelBarOrthogonalPosF = 0.0
opts@lbTitleJust = "BottomLeft"
end if
opts@gsnDraw = False
opts@gsnFrame = False
opts@gsnMaximize = False
delete_attrs(opts)
cn = gsn_csm_contour_map_polar(wks,data,opts) ; Create the plot.
draw(cn)
if ( callFrame ) then
frame(wks)
end if
return (cn)
end
;--------------------------------------------------------------------------------
undef("wrf_vector_ps")
function wrf_vector_ps(nc_file:file,wks[1]: graphic, \
data_u[*][*]:numeric, data_v[*][*]:numeric, \
opt_args[1]:logical)
begin
callFrame = True
if ( isatt(opt_args,"FrameIT") ) then
if ( .not.opt_args@FrameIT ) then
callFrame = False
end if
delete (opt_args@FrameIT)
end if
if(isfilevar(nc_file,"XLAT"))
lat2T = nc_file->XLAT(0,:,:)
lon2T = nc_file->XLONG(0,:,:)
else
lat2T = nc_file->XLAT_M(0,:,:)
lon2T = nc_file->XLONG_M(0,:,:)
end if
opts = opt_args
opts@vfXArray = lon2T
opts@vfYArray = lat2T
opts@vfUDataArray = data_u
opts@vfVDataArray = data_v
opts@mpProjection = "Stereographic"
opts@mpEllipticalBoundary = True
opts@mpFillOn = False
opts@mpGeophysicalLineColor = get_res_value_keep(opts, "mpGeophysicalLineColor","Gray")
opts@mpGeophysicalLineThicknessF = get_res_value_keep(opts, "mpGeophysicalLineThicknessF",2.0)
; Set vector resources
opts = set_vc_resources(opts)
opts@gsnDraw = False
opts@gsnFrame = False
opts@gsnMaximize = False
delete_attrs(opts)
cn = gsn_csm_vector_map_polar(wks,data_u,data_v,opts) ; Create the plot.
draw(cn)
if ( callFrame ) then
frame(wks)
end if
return (cn)
end
;--------------------------------------------------------------------------------
undef("wrf_contour")
function wrf_contour(nc_file:file,wks[1]: graphic, data[*][*]:numeric, \
opt_args[1]:logical)
; This function creates a contour plot and adds some titles to it.
;
; 1. Determine width to height ratio of plot.
;
; 2. First determine if this is to be a filled or line
; contour plot (fill_on)
;
; 3. If the ContourParameters attribute is set, then calculate
; the contour levels.
;
; 4. Set two resources for setting the zero contour line to
; a larger thickness, and for changing the negative contour
; lines to a dashed pattern.
;
; 5. If doing a filled contour plot, set a title for the labelbar
; based on whether a units attribute is set.
;
; 6. Make a copy of the resource list, and set some additional
; resources for filled contour plots.
;
; 7. Create the contour plot, attach the titles, and draw
; and advance the frame (if requested).
local dims
begin
opts = opt_args ; Make a copy of the resource list.
if(opts.and.isatt(opts,"gsnDebugWriteFileName")) then
wrf_debug_file = get_res_value(opts,"gsnDebugWriteFileName", "")
end if
if(opts.and.isatt(opts,"mpOutlineBoundarySets")) then
delete(opts@mpOutlineBoundarySets)
end if
; Calculate ratio of plot width and height. Note that this doesn't
; affect the setting of gsnMaximize to True, because gsnMaximize will
; retain the aspect ratio of the plot.
if(opts.and.isatt(opts,"AspectRatio")) then
ratio = opts@AspectRatio
else
dims = dimsizes(data)
ratio = 1.*dims(0)/dims(1)
if(ratio .gt. 1.2) then
ratio = 1.2
end if
if(ratio .lt. 0.6667) then
ratio = 0.6667
end if
end if
if(ratio .gt. 1)
width = 0.65 * 1.0/ratio
height = 0.65
else
width = 0.85
height = 0.85 * ratio
end if
opts@vpWidthF = get_res_value_keep(opts,"vpWidthF", width)
opts@vpHeightF = get_res_value_keep(opts,"vpHeightF", height)
; Set some basic contour resources
opts = set_cn_resources(data,opts)
; Find out if we are working with a contour or a shaded plot
; fill_on = False : line contour plot
; fill_on = True : filled contour plot
fill_on = get_res_value_keep(opts,"cnFillOn",False)
if(fill_on) then ; set lb resources if needed
opts = set_lb_resources(data,opts)
atmp = get_res_value(opts,"lbLabelBarOn",True) ; Remove this resource
delete(atmp) ; just in case.
end if
; Set Title resources
opts = set_title_resources(data,opts)
; Setting gsnScale to True ensures that the tickmark lengths and labels
; will be the same size on both axes.
opts@gsnScale = get_res_value_keep(opts,"gsnScale", True)
; The default is not to draw the plot or advance the frame, and
; to maximize the plot in the frame.
opts@gsnDraw = False ; Make sure don't draw or frame or,
opts@gsnFrame = False ; maximize, b/c we'll do this later.
opts@gsnMaximize = False
opts2 = opts
delete_attrs(opts2) ; Clean up.
cn = gsn_contour(wks,data,opts2) ; Create the plot.
_SetMainTitle(nc_file,wks,cn,opts) ; Set some titles
if(isvar("wrf_debug_file")) then
write_wrf_debug_info(wks,data,False,wrf_debug_file,opts2,"wrf_contour")
end if
opts2@gsnDraw = get_res_value_keep(opts2,"gsnDraw", False)
opts2@gsnFrame = get_res_value_keep(opts2,"gsnFrame", False)
opts2@gsnMaximize = get_res_value_keep(opts2,"gsnMaximize", True)
draw_and_frame(wks,cn,opts2@gsnDraw,opts2@gsnFrame,False,opts2@gsnMaximize)
return(cn) ; Return
end
;--------------------------------------------------------------------------------
undef("wrf_vector")
function wrf_vector(nc_file:file,wks[1]: graphic, data_u[*][*]:numeric, \
data_v[*][*]:numeric, opt_args[1]:logical)
;
; This function creates a vector plot and adds some titles to it.
;
; 1. Determine width to height ratio of plot. Will also be use
; to calculate values for vector resources later.
;
; 2. Make a copy of the resource list, and set some additional
; resources.
;
; 3. Create the vector plot, attach the titles, and draw
; and advance the frame (if requested).
local dims
begin
opts = opt_args ; Make a copy of the resource list.
if(opts.and.isatt(opts,"gsnDebugWriteFileName")) then
wrf_debug_file = get_res_value(opts,"gsnDebugWriteFileName", "")
end if
if(opts.and.isatt(opts,"mpOutlineBoundarySets")) then
delete(opts@mpOutlineBoundarySets)
end if
;
; The ratio is used to determine the width and height of the
; plot, and also to determine the value for the vcMinDistanceF
; resource.
;
if(opts.and.isatt(opts,"AspectRatio")) then
ratio = get_res_value(opts,"AspectRatio",0.)
else
dims = dimsizes(data_u)
ratio = 1.*dims(0)/dims(1)
if(ratio .gt. 1.2) then
ratio = 1.2
end if
if(ratio .lt. 0.6667) then
ratio = 0.6667
end if
end if
if(ratio .gt. 1)
width = 0.65/ratio
height = 0.65
else
width = 0.95
height = 0.95 * ratio
end if
opts@vpWidthF = get_res_value_keep(opts,"vpWidthF", width)
opts@vpHeightF = get_res_value_keep(opts,"vpHeightF", height)
; Set Title resources
opts = set_title_resources(data_u,opts)
; Set vector resources
opts = set_vc_resources(opts)
; Setting gsnScale to True ensures that the tickmark lengths and labels
; will be the same size on both axes.
opts@gsnScale = get_res_value_keep(opts,"gsnScale", True)
; The default is not to draw the plot or advance the frame, and
; to maximize the plot in the frame.
opts@gsnDraw = False ; Make sure don't draw or frame or,
opts@gsnFrame = False ; maximize, b/c we'll do this later.
opts@gsnMaximize = False
opts2 = opts
delete_attrs(opts2) ; Clean up.
vct = gsn_vector(wks,data_u,data_v,opts2) ; Create vector plot.
_SetMainTitle(nc_file,wks,vct,opts)
if(isvar("wrf_debug_file")) then
write_wrf_debug_info(wks,data_u,data_v,wrf_debug_file,opts2,"wrf_vector")
end if
opts2@gsnDraw = get_res_value_keep(opts2,"gsnDraw", False)
opts2@gsnFrame = get_res_value_keep(opts2,"gsnFrame", False)
opts2@gsnMaximize = get_res_value_keep(opts2,"gsnMaximize", True)
draw_and_frame(wks,vct,opts2@gsnDraw,opts2@gsnFrame,False, \
opts2@gsnMaximize)
return(vct) ; Return.
end
;--------------------------------------------------------------------------------
undef("wrf_wps_map")
function wrf_wps_map(wks[1]:graphic,opt_args[1]:logical)
begin
;
; 1. Make a copy of the resource list, and set some resources
; common to all map projections.
;
; 2. Determine the projection being used, and set resources based
; on that projection.
;
; 3. Create the map plot, and draw and advance the frame
; (if requested).
opts = opt_args ; Make a copy of the resource list
opts = True
; Set some resources depending on what kind of map projection is
; chosen.
;
; MAP_PROJ = 0 : "CylindricalEquidistant"
; MAP_PROJ = 1 : "LambertConformal"
; MAP_PROJ = 2 : "Stereographic"
; MAP_PROJ = 3 : "Mercator"
; MAP_PROJ = 6 : "Lat/Lon"
; CylindricalEquidistant
if(opts@map_proj .eq. 0)
projection = "CylindricalEquidistant"
opts@mpGridSpacingF = 45
opts@mpCenterLatF = get_res_value_keep(opts, "mpCenterLatF", 0.0)
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",opts@stand_lon)
end if
; LambertConformal projection
if(opts@map_proj .eq. 1)
projection = "LambertConformal"
opts@mpLambertParallel1F = get_res_value_keep(opts, "mpLambertParallel1F",opts@truelat1)
opts@mpLambertParallel2F = get_res_value_keep(opts, "mpLambertParallel2F",opts@truelat2)
opts@mpLambertMeridianF = get_res_value_keep(opts, "mpLambertMeridianF",opts@stand_lon)
end if
; Stereographic projection
if(opts@map_proj .eq. 2)
projection = "Stereographic"
if( isatt(opts,"cenlat") ) then
opts@mpCenterLatF = get_res_value_keep(opts, "mpCenterLatF",opts@cenlat)
else
opts@mpCenterLatF = get_res_value_keep(opts, "mpCenterLatF",opts@ref_lat)
end if
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",opts@stand_lon)
end if
; Mercator projection
if(opts@map_proj .eq. 3)
projection = "Mercator"
opts@mpCenterLatF = get_res_value_keep(opts, "mpCenterLatF", 0.0)
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",opts@stand_lon)
end if
; global WRF CylindricalEquidistant
if(opts@map_proj .eq. 6)
projection = "CylindricalEquidistant"
opts@mpGridSpacingF = 45
if( isatt(opts,"cenlon") ) then
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",opts@cenlon)
else
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF",opts@ref_lon)
end if
if( isatt(opts,"pole_lat") ) then
delete(opts@mpCenterLonF)
opts@mpCenterLonF = get_res_value_keep(opts, "mpCenterLonF", - 190. )
opts@mpCenterRotF = get_res_value_keep(opts, "mpCenterRotF", 90.0 - opts@pole_lat)
else
opts@mpCenterRotF = get_res_value_keep(opts, "mpCenterRotF", 0.0)
end if
end if
; Set some resources common to all map projections.
opts = set_mp_resources(opts)
; The default is not to draw the plot or advance the frame, and
; to maximize the plot in the frame.
opts@gsnDraw = get_res_value_keep(opts,"gsnDraw", False)
opts@gsnFrame = get_res_value_keep(opts,"gsnFrame", False)
opts@gsnMaximize = get_res_value_keep(opts,"gsnMaximize", True)
delete_attrs(opts) ; Clean up.
mp = gsn_map(wks,projection,opts) ; Create map plot.
return(mp) ; Return.
end
;--------------------------------------------------------------------------------
undef("wrf_wps_dom")
function wrf_wps_dom(wks[1]:graphic,opt_args[1]:logical,lnres[1]:logical,txres[1]:logical)
begin
mpres = opt_args
;BPR BEGIN
;grid_to_plot = 0 => plot using the corner mass grid points
;grid_to_plot = 1 => plot using the edges of the corner grid cells
; This uses the locations of the corner mass grid points +/- 0.5 grid cells
; to get from the mass grid point to the edge of the grid cell
grid_to_plot = 1
;grid_to_plot = mpres@grid_to_plot
if(grid_to_plot.eq.0) then
; print("Plotting using corner mass grid points")
else if(grid_to_plot.eq.1) then
; print("Plotting using edges of the corner grid cells")
else
print("ERROR: Invalid value for grid_to_plot = "+grid_to_plot)
end if
end if
;BPR END
res = True
res@DX = mpres@dx
res@DY = mpres@dy
res@LATINC = 0.0
res@LONINC = 0.0
if ( mpres@map_proj .eq. "lambert") then
mpres@map_proj = 1
res@MAP_PROJ = 1
end if
if ( mpres@map_proj .eq. "polar") then
mpres@map_proj = 2
res@MAP_PROJ = 2
end if
if ( mpres@map_proj .eq. "mercator") then
mpres@map_proj = 3
res@MAP_PROJ = 3
end if
if ( mpres@map_proj .eq. "lat-lon") then
mpres@map_proj = 6
res@MAP_PROJ = 6
res@LATINC = mpres@dy
res@LONINC = mpres@dx
end if
res@TRUELAT1 = mpres@truelat1
res@TRUELAT2 = mpres@truelat2
res@STAND_LON = mpres@stand_lon
res@REF_LAT = mpres@ref_lat
res@REF_LON = mpres@ref_lon
if ( isatt(mpres,"ref_x") ) then
res@KNOWNI = mpres@ref_x
else
res@KNOWNI = int2flt(mpres@e_we(0))/2.
end if
if ( isatt(mpres,"ref_y") ) then
res@KNOWNJ = mpres@ref_y
else
res@KNOWNJ = int2flt(mpres@e_sn(0))/2.
end if
if ( isatt(mpres,"pole_lat") ) then
res@POLE_LAT = mpres@pole_lat
else
res@POLE_LAT = 90.0
end if
if ( isatt(mpres,"pole_lon") ) then
res@POLE_LON = mpres@pole_lon
else
res@POLE_LON = 0.0
end if
;BPR BEGIN
;Determine adjustment needed to convert from mass grid to chosen grid
if(grid_to_plot.eq.0) then
adjust_grid = 0.0
else if(grid_to_plot.eq.1) then
adjust_grid = 0.5
else
print("ERROR: Invalid value for grid_to_plot = "+grid_to_plot)
adjust_grid = 0.0
end if
end if
xx = 1.0 - adjust_grid
yy = 1.0 - adjust_grid
;xx = 1.0
;yy = 1.0
;BPR END
loc = wrf_ij_to_ll (xx,yy,res)
start_lon = loc(0)
start_lat = loc(1)
;BPR BEGIN
;e_we is the largest U grid point and e_sn the largest V gridpoint
;xx = int2flt(mpres@e_we(0))
;yy = int2flt(mpres@e_sn(0))
;Change it so it is in terms of mass grid points since wrf_ij_to_ll is
;in terms of mass grid points
xx = int2flt(mpres@e_we(0)-1) + adjust_grid
yy = int2flt(mpres@e_sn(0)-1) + adjust_grid
;BPR END
loc = wrf_ij_to_ll (xx,yy,res)
end_lon = loc(0)
end_lat = loc(1)
mpres@start_lat = start_lat
mpres@start_lon = start_lon
mpres@end_lat = end_lat
mpres@end_lon = end_lon
mp = wrf_wps_map(wks,mpres)
draw(mp)
if ( mpres@max_dom .gt. 1 ) then
numLineColors = 0
if ( isatt(lnres,"domLineColors") ) then
numLineColors = dimsizes(lnres@domLineColors)
end if
do idom = 1,mpres@max_dom-1
if ( numLineColors .gt. 0 ) then
if ( numLineColors .ge. idom ) then
lnres@gsLineColor = lnres@domLineColors(idom-1)
txres@txFontColor = lnres@domLineColors(idom-1)
else
lnres@gsLineColor = lnres@domLineColors(numLineColors-1)
txres@txFontColor = lnres@domLineColors(numLineColors-1)
end if
end if
; nest start and end points in large domain space
if ( mpres@parent_id(idom) .eq. 1) then
; corner value
;BPR BEGIN
;Due to the alignment of nests we need goffset in order to
;find the location of (1,1) in the fine domain in coarse domain
;coordinates
;i_start = mpres@i_parent_start(idom)
;j_start = mpres@j_parent_start(idom)
goffset = 0.5*(1-(1.0/mpres@parent_grid_ratio(idom)))
i_start = mpres@i_parent_start(idom)-goffset
j_start = mpres@j_parent_start(idom)-goffset
; end point
;Change to mass point
;i_end = (mpres@e_we(idom)-1)/mpres@parent_grid_ratio(idom) + i_start
;j_end = (mpres@e_sn(idom)-1)/mpres@parent_grid_ratio(idom) + j_start
i_end = (mpres@e_we(idom)-2)/(1.0*mpres@parent_grid_ratio(idom)) + i_start
j_end = (mpres@e_sn(idom)-2)/(1.0*mpres@parent_grid_ratio(idom)) + j_start
if(grid_to_plot.eq.0) then
adjust_grid = 0.0
else if(grid_to_plot.eq.1) then
adjust_grid = 0.5/(1.0*mpres@parent_grid_ratio(idom))
else
print("ERROR: Invalid value for grid_to_plot = "+grid_to_plot)
adjust_grid = 0.0
end if
end if
;BPR END
end if
if ( mpres@parent_id(idom) .ge. 2) then
; corner value
nd = mpres@parent_id(idom)
;BPR BEGIN
;i_points = ((mpres@e_we(idom)-1)/mpres@parent_grid_ratio(idom))
;j_points = ((mpres@e_sn(idom)-1)/mpres@parent_grid_ratio(idom))
i_points = ((mpres@e_we(idom)-2)/(1.0*mpres@parent_grid_ratio(idom)))
j_points = ((mpres@e_sn(idom)-2)/(1.0*mpres@parent_grid_ratio(idom)))
goffset = 0.5*(1-(1.0/(1.0*mpres@parent_grid_ratio(idom))))
ai_start = mpres@i_parent_start(idom)*1.0-goffset
aj_start = mpres@j_parent_start(idom)*1.0-goffset
;ai_start = mpres@i_parent_start(idom)*1.0
;aj_start = mpres@j_parent_start(idom)*1.0
if(grid_to_plot.eq.0) then
adjust_grid = 0.0
else if(grid_to_plot.eq.1) then
adjust_grid = 0.5/(1.0*mpres@parent_grid_ratio(idom))
else
print("ERROR: Invalid value for grid_to_plot = "+grid_to_plot)
adjust_grid = 0.0
end if
end if
do while ( nd .gt. 1)
;Note that nd-1 is used in the following because the WPS namelist is
;one-based but arrays in NCL are zero-based
goffset = 0.5*(1-(1.0/(1.0*mpres@parent_grid_ratio(nd-1))))
;ai_start = ai_start/mpres@parent_grid_ratio(nd-1) + mpres@i_parent_start(nd-1)
;aj_start = aj_start/mpres@parent_grid_ratio(nd-1) + mpres@j_parent_start(nd-1)
ai_start = (ai_start-1)/(1.0*mpres@parent_grid_ratio(nd-1)) + mpres@i_parent_start(nd-1)-goffset
aj_start = (aj_start-1)/(1.0*mpres@parent_grid_ratio(nd-1)) + mpres@j_parent_start(nd-1)-goffset
;i_points = (i_points/mpres@parent_grid_ratio(nd-1))
;j_points = (j_points/mpres@parent_grid_ratio(nd-1))
i_points = (i_points/(1.0*mpres@parent_grid_ratio(nd-1)))
j_points = (j_points/(1.0*mpres@parent_grid_ratio(nd-1)))
if(grid_to_plot.eq.0) then
adjust_grid = 0.0
else if(grid_to_plot.eq.1) then
adjust_grid = adjust_grid/(1.0*mpres@parent_grid_ratio(nd-1))
else
print("ERROR: Invalid value for grid_to_plot = "+grid_to_plot)
adjust_grid = 0.0
end if
end if
;nd = nd - 1
nd = mpres@parent_id(nd-1)
end do
;i_start = tointeger(ai_start + .5 )
;j_start = tointeger(aj_start + .5 )
i_start = ai_start
j_start = aj_start
; end point
;i_end = i_points + i_start + 1
;j_end = j_points + j_start + 1
i_end = i_points + i_start
j_end = j_points + j_start
;BPR END
end if
; get the four corners
xx = i_start - adjust_grid
yy = j_start - adjust_grid
;xx = int2flt(i_start)
;yy = int2flt(j_start)
loc = wrf_ij_to_ll (xx,yy,res)
lon_SW = loc(0)
lat_SW = loc(1)
xx = i_end + adjust_grid
yy = j_start - adjust_grid
;xx = int2flt(i_end)
;yy = int2flt(j_start)
loc = wrf_ij_to_ll (xx,yy,res)
lon_SE = loc(0)
lat_SE = loc(1)
xx = i_start - adjust_grid
yy = j_end + adjust_grid
;xx = int2flt(i_start)
;yy = int2flt(j_end)
loc = wrf_ij_to_ll (xx,yy,res)
lon_NW = loc(0)
lat_NW = loc(1)
;xx = int2flt(i_end)
;yy = int2flt(j_end)
xx = i_end + adjust_grid
yy = j_end + adjust_grid
;BPR END
loc = wrf_ij_to_ll (xx,yy,res)
lon_NE = loc(0)
lat_NE = loc(1)
xbox = (/lon_SW, lon_SE, lon_NE, lon_NW, lon_SW /)
ybox = (/lat_SW, lat_SE, lat_NE, lat_NW, lat_SW /)
x_out = new(dimsizes(xbox),typeof(xbox))
y_out = new(dimsizes(ybox),typeof(ybox))
datatondc(mp, xbox, ybox, x_out, y_out)
gsn_polyline_ndc(wks, x_out, y_out, lnres)
idd = idom + 1
dom_text = "d0"+idd
if ( txres@txJust .eq. "BottomLeft" ) then
gsn_text(wks,mp,dom_text,lon_NW,lat_NW,txres)
else
gsn_text_ndc(wks,dom_text,x_out(3)+0.01,y_out(3)-0.01,txres)
end if
end do
end if
return(mp)
end
;--------------------------------------------------------------------------------
undef("wrf_map_resources")
function wrf_map_resources(in_file[1]:file,map_args[1]:logical)
local lat, lon, x1, x2, y1, y2, dims, ii, jj
begin
;
; This function sets resources for a WRF map plot, basing the projection on
; the MAP_PROJ attribute in the given file. It's intended to be callable
; by users who need to set mpXXXX resources for other plotting scripts.
;
; Set some resources depending on what kind of map projection is
; chosen.
;
; MAP_PROJ = 0 : "CylindricalEquidistant"
; MAP_PROJ = 1 : "LambertConformal"
; MAP_PROJ = 2 : "Stereographic"
; MAP_PROJ = 3 : "Mercator"
; MAP_PROJ = 6 : "Lat/Lon"
if(isatt(in_file,"MAP_PROJ"))
; CylindricalEquidistant
if(in_file@MAP_PROJ .eq. 0)
map_args@mpProjection = "CylindricalEquidistant"
map_args@mpGridSpacingF = 45
map_args@mpCenterLatF = get_res_value_keep(map_args, "mpCenterLatF", 0.0)
if(isatt(in_file,"STAND_LON"))
map_args@mpCenterLonF = get_res_value_keep(map_args, "mpCenterLonF",in_file@STAND_LON)
else
if(isatt(in_file,"CEN_LON"))
map_args@mpCenterLonF = get_res_value_keep(map_args, "mpCenterLonF",in_file@CEN_LON)
else
print("ERROR: Found neither STAND_LON or CEN_LON in file")
end if
end if
end if
; LambertConformal projection
if(in_file@MAP_PROJ .eq. 1)
map_args@mpProjection = "LambertConformal"
map_args@mpLambertParallel1F = get_res_value_keep(map_args, "mpLambertParallel1F",in_file@TRUELAT1)
map_args@mpLambertParallel2F = get_res_value_keep(map_args, "mpLambertParallel2F",in_file@TRUELAT2)
if(isatt(in_file,"STAND_LON"))
map_args@mpLambertMeridianF = get_res_value_keep(map_args, "mpLambertMeridianF",in_file@STAND_LON)
else
if(isatt(in_file,"CEN_LON"))
map_args@mpLambertMeridianF = get_res_value_keep(map_args, "mpLambertMeridianF",in_file@CEN_LON)
else
print("ERROR: Found neither STAND_LON or CEN_LON in file")
end if
end if
end if
; Stereographic projection
if(in_file@MAP_PROJ .eq. 2)
map_args@mpProjection = "Stereographic"
map_args@mpCenterLatF = get_res_value_keep(map_args, "mpCenterLatF", in_file@CEN_LAT)
if(isatt(in_file,"STAND_LON"))
map_args@mpCenterLonF = get_res_value_keep(map_args, "mpCenterLonF",in_file@STAND_LON)
else
if(isatt(in_file,"CEN_LON"))
map_args@mpCenterLonF = get_res_value_keep(map_args, "mpCenterLonF",in_file@CEN_LON)
else
print("ERROR: Found neither STAND_LON or CEN_LON in file")
end if
end if
end if
; Mercator projection
if(in_file@MAP_PROJ .eq. 3)
map_args@mpProjection = "Mercator"
map_args@mpCenterLatF = get_res_value_keep(map_args, "mpCenterLatF", 0.0)
if(isatt(in_file,"STAND_LON"))
map_args@mpCenterLonF = get_res_value_keep(map_args, "mpCenterLonF",in_file@STAND_LON)
else
if(isatt(in_file,"CEN_LON"))
map_args@mpCenterLonF = get_res_value_keep(map_args, "mpCenterLonF",in_file@CEN_LON)
else
print("ERROR: Found neither STAND_LON or CEN_LON in file")
end if
end if
end if
; global WRF CylindricalEquidistant
if(in_file@MAP_PROJ .eq. 6)
map_args@mpProjection = "CylindricalEquidistant"
map_args@mpGridSpacingF = 45
map_args@mpCenterLonF = get_res_value_keep(map_args, "mpCenterLonF",in_file@CEN_LON)
if( isatt(in_file,"POLE_LAT") ) then
map_args@mpCenterRotF = get_res_value_keep(map_args, "mpCenterRotF", 90.0 - in_file@POLE_LAT)
delete(map_args@mpCenterLonF)
calcen = -190.
map_args@mpCenterLonF = get_res_value_keep(map_args, "mpCenterLonF", calcen )
end if
end if
else
return(map_args)
end if
map_args@mpNestTime = get_res_value_keep(map_args, "mpNestTime",0)
if(isfilevar(in_file,"XLAT"))
lat = in_file->XLAT(map_args@mpNestTime,:,:)
lon = in_file->XLONG(map_args@mpNestTime,:,:)
else
lat = in_file->XLAT_M(map_args@mpNestTime,:,:)
lon = in_file->XLONG_M(map_args@mpNestTime,:,:)
end if
dims = dimsizes(lat)
do ii = 0, dims(0)-1
do jj = 0, dims(1)-1
if ( lon(ii,jj) .lt. 0.0) then
lon(ii,jj) = lon(ii,jj) + 360.
end if
end do
end do
map_args@start_lat = lat(0,0)
map_args@start_lon = lon(0,0)
map_args@end_lat = lat(dims(0)-1,dims(1)-1)
map_args@end_lon = lon(dims(0)-1,dims(1)-1)
; Set some resources common to all map projections.
map_args = set_mp_resources(map_args)
if ( isatt(map_args,"ZoomIn") .and. map_args@ZoomIn ) then
y1 = 0
x1 = 0
y2 = dims(0)-1
x2 = dims(1)-1
if ( isatt(map_args,"Ystart") ) then
y1 = map_args@Ystart
delete(map_args@Ystart)
end if
if ( isatt(map_args,"Xstart") ) then
x1 = map_args@Xstart
delete(map_args@Xstart)
end if
if ( isatt(map_args,"Yend") ) then
if ( map_args@Yend .le. y2 ) then
y2 = map_args@Yend
end if
delete(map_args@Yend)
end if
if ( isatt(map_args,"Xend") ) then
if ( map_args@Xend .le. x2 ) then
x2 = map_args@Xend
end if
delete(map_args@Xend)
end if
map_args@mpLeftCornerLatF = lat(y1,x1)
map_args@mpLeftCornerLonF = lon(y1,x1)
map_args@mpRightCornerLatF = lat(y2,x2)
map_args@mpRightCornerLonF = lon(y2,x2)
if ( map_args@mpRightCornerLonF .lt. 0.0 ) then
map_args@mpRightCornerLonF = map_args@mpRightCornerLonF + 360.0
end if
delete(map_args@ZoomIn)
end if
return(map_args)
end
;--------------------------------------------------------------------------------
undef("wrf_map")
function wrf_map(wks[1]:graphic,in_file[1]:file,opt_args[1]:logical)
begin
;
; This function creates a map plot, and bases the projection on
; the MAP_PROJ attribute in the given file.
;
; 1. Make a copy of the resource list, and call a function to set
; some resources common to all map projections.
;
; 2. Determine the projection being used, and set resources based
; on that projection.
;
; 3. Create the map plot, and draw and advance the frame
; (if requested).
if(opt_args.and.isatt(opt_args,"gsnDebugWriteFileName")) then
wrf_debug_file = get_res_value(opt_args,"gsnDebugWriteFileName", "")
end if
opts = opt_args ; Make a copy of the resource list
opts = True
;---Set some map resources based on parameters and variables in input file.
opts = wrf_map_resources(in_file,opts)
if(.not.isatt(opts,"mpProjection")) then
print("wrf_map: Error: no MAP_PROJ attribute in input file")
return(new(1,graphic))
else
projection = opts@mpProjection
end if
; The default is not to draw the plot or advance the frame, and
; to maximize the plot in the frame.
opts@gsnDraw = get_res_value_keep(opts,"gsnDraw", False)
opts@gsnFrame = get_res_value_keep(opts,"gsnFrame", False)
opts@gsnMaximize = get_res_value_keep(opts,"gsnMaximize", True)
delete_attrs(opts) ; Clean up.
mp = gsn_map(wks,projection,opts) ; Create map plot.
if(isvar("wrf_debug_file")) then
opts@mpProjection = projection
write_wrf_debug_info(wks,False,False,wrf_debug_file,opts,"wrf_map")
end if
return(mp) ; Return.
end
;--------------------------------------------------------------------------------
undef("wrf_map_overlays")
function wrf_map_overlays(in_file[1]:file, \
wks:graphic, \
plots[*]:graphic, \
opt_arg[1]:logical, \
opt_mp[1]:logical)
; This procedure takes an array of plots and overlays them on a
; base plot - map background.
;
; It will advance the plot and cleanup, unless you set the
; PanelPlot resource to True.
;
; Attributes recognized by this procedure:
; FramePlot
; PanelPlot
; NoTitles (don't do any titles)
; CommonTitle & PlotTitle is used to overwrite field titles
; CommonTitle will supercede NoTitles
; LatLonOverlay
;
; If FramePlot False, then Draw the plot but do not Frame.
; In this case a user want to add to the drawing, and will
; have to advance the Frame manually in the script.
;
; If the "NoTitles" attribute exists and is set True, then
; don't create the top-left titles, and leave the main titles alone.
; This resource can be useful if you are planning to panel
; the plots.
;
; If PanelPlot is set to True, then this flags to wrf_map_overlays
; that these plots are going to be eventually paneled (likely
; by gsn_panel), and hence 1) draw and frame should not be called
; (unless gsnDraw and/or gsnFrame are explicitly set to True),
; and 2) the overlays and titles should not be removed with
; NhlRemoveOverlay and NhlRemoveAnnotation.
;
; If LatLonOverlay is set to True, then this means the user is
; using the 2D lat/lon coordinates to do the overlay, and hence
; tfDoNDCOverlay should not be set to True. (The default is False.)
;
begin
opts = opt_arg ; Make a copy of the resource lists
opt_mp_2 = opt_mp
if(opts.and.isatt(opts,"gsnDebugWriteFileName")) then
opt_mp_2@gsnDebugWriteFileName = get_res_value(opts, \
"gsnDebugWriteFileName", "")
wrf_debug_file = opt_mp_2@gsnDebugWriteFileName
end if
; Let's make the map first
base = wrf_map(wks,in_file,opt_mp_2)
no_titles = get_res_value(opts,"NoTitles",False) ; Do we want field titles?
com_title = get_res_value(opts,"CommonTitle",False) ; Do we have a common title?
if ( com_title ) then
plot_title = get_res_value(opts,"PlotTitle"," ")
no_titles = True
end if
call_draw = True
call_frame = get_res_value(opts,"FramePlot",True) ; Do we want to frame the plot?
panel_plot = get_res_value(opts,"PanelPlot",False) ; Are we paneling?
latlon_overlay = get_res_value(opts,"LatLonOverlay",False) ; Lat/lon Overlay?
opts@gsnMaximize = get_res_value_keep(opts,"gsnMaximize", True)
nplots = dimsizes(plots)
; font_color = "Black"
do i=0,nplots-1
if(.not.ismissing(plots(i))) then
; class_name = NhlClassName(plots(i))
; print(class_name)
; if(class_name.eq."contourPlotClass") then
; getvalues plots(i)
; "cnFillOn" : fill_on
; "cnLineColor" : line_color
; end getvalues
; if (.not.fill_on) then
; font_color = line_color
; end if
; end if
if(.not.no_titles) then
getvalues plots(i)
"tiMainString" : SubTitle
end getvalues
if(i.eq.0) then
SubTitles = SubTitle
else
SubTitles = SubTitles + "~C~" + SubTitle
end if
end if
if(com_title .and. i .eq. nplots-1) then
getvalues plots(i)
"tiMainString" : SubTitle
end getvalues
SubTitles = plot_title
end if
if(.not.latlon_overlay) then
setvalues plots(i)
"tfDoNDCOverlay" : True
"tiMainOn" : False
end setvalues
else
setvalues plots(i)
"tiMainOn" : False
end setvalues
end if
overlay(base,plots(i))
else
print("wrf_map_overlays: Warning: overlay plot #" + i + " is not valid.")
end if
end do
if(.not.no_titles .or. com_title) then
font_height = get_res_value_keep(opts,"FontHeightF",0.01)
txt = create "map_titles" textItemClass wks
"txString" : SubTitles
"txFontHeightF" : font_height
;"txFontColor" : font_color
end create
anno = NhlAddAnnotation(base,txt)
setvalues anno
"amZone" : 3
"amJust" : "BottomLeft"
"amSide" : "Top"
"amParallelPosF" : 0.005
"amOrthogonalPosF" : 0.03
"amResizeNotify" : False
end setvalues
base@map_titles = anno
end if
;
; gsnDraw and gsnFrame default to False if panel plot.
;
if(panel_plot) then
call_draw = False
call_frame= False
end if
opts@gsnDraw = get_res_value_keep(opts,"gsnDraw", call_draw)
opts@gsnFrame = get_res_value_keep(opts,"gsnFrame", call_frame)
draw_and_frame(wks,base,opts@gsnDraw,opts@gsnFrame,False, \
opts@gsnMaximize)
if(.not.panel_plot) then
do i=0,nplots-1
if(.not.ismissing(plots(i))) then
NhlRemoveOverlay(base,plots(i),False)
else
print("wrf_remove_map_overlays: Warning: overlay plot #" + i + " is not valid.")
print(" Nothing to remove.")
end if
end do
end if
if(isvar("wrf_debug_file")) then
write_wrf_debug_script(wks,wrf_debug_file,"wrf_map_overlays")
end if
if(.not.no_titles.and..not.panel_plot) then
if(isatt(base,"map_titles")) then
NhlRemoveAnnotation(base,base@map_titles)
delete(base@map_titles)
end if
end if
return(base)
end
;--------------------------------------------------------------------------------
undef("wrf_overlays")
function wrf_overlays(in_file[1]:file, \
wks:graphic, plots[*]:graphic, \
opt_arg[1]:logical)
; This procedure takes an array of plots and overlays them.
;
; It will advance the plot and cleanup, unless you set the
; PanelPlot resource to True.
;
; Attributes recognized by this procedure:
; FramePlot
; PanelPlot
; NoTitles (don't do any titles)
; CommonTitle & PlotTile is used to overwrite field titles
; CommonTitle will super-seed NoTitles
;
; If FramePlot False, then Draw the plot but do not Frame.
; In this case a user want to add to the drawing, and will
; have to advance the Frame manually in the script.
;
; If the "NoTitles" attribute exists and is set True, then
; don't create the top-left titles, and leave the main titles alone.
; This resource can be useful if you are planning to panel
; the plots.
;
; If PanelPlot is set to True, then this flags to wrf_overlays
; that these plots are going to be eventually paneled (likely
; by gsn_panel), and hence 1) draw and frame should not be called
; (unless gsnDraw and/or gsnFrame are explicitly set to True),
; and 2) the overlays and titles should not be removed with
; NhlRemoveOverlay and NhlRemoveAnnotation.
;
; If LatLonOverlay is set to True, then this means the user is
; using the 2D lat/lon coordinates to do the overlay, and hence
; tfDoNDCOverlay should not be set to True. (The default is False.)
;
begin
opts = opt_arg ; Make a copy of the resource list.
no_titles = get_res_value(opts,"NoTitles",False) ; Do we want field titles?
com_title = get_res_value(opts,"CommonTitle",False) ; Do we have a common title?
latlon_overlay = get_res_value(opts,"LatLonOverlay",False) ; Lat/lon Overlay?
if ( com_title ) then
plot_title = get_res_value(opts,"PlotTitle"," ")
no_titles = True
end if
call_draw = True
call_frame = get_res_value(opts,"FramePlot",True) ; Do we want to frame the plot?
panel_plot = get_res_value(opts,"PanelPlot",False) ; Are we paneling?
opts@gsnMaximize = get_res_value_keep(opts,"gsnMaximize", True)
nplots = dimsizes(plots)
base = plots(0)
if(.not.no_titles) then
getvalues plots(0)
"tiMainString" : SubTitle
end getvalues
SubTitles = SubTitle
if(.not.latlon_overlay) then
setvalues plots(0)
"tfDoNDCOverlay" : True
"tiMainOn" : False
end setvalues
else
setvalues plots(0)
"tiMainOn" : False
end setvalues
end if
else
if(.not.latlon_overlay) then
setvalues plots(0)
"tfDoNDCOverlay" : True
end setvalues
end if
end if
if (nplots.eq.1) then
blank = create "BlankPlot" logLinPlotClass wks
;"cnConstFLabelOn" : False
end create
overlay(base,blank)
end if
do i=1,nplots-1
if(.not.ismissing(plots(i))) then
if(.not.no_titles) then
getvalues plots(i)
"tiMainString" : SubTitle
end getvalues
if(i.eq.0) then
SubTitles = SubTitle
else
SubTitles = SubTitles + "~C~" + SubTitle
end if
end if
if(com_title .and. i .eq. nplots-1) then
getvalues plots(i)
"tiMainString" : SubTitle
end getvalues
SubTitles = plot_title
end if
if(.not.latlon_overlay) then
setvalues plots(i)
"tfDoNDCOverlay" : True
"tiMainOn" : False
end setvalues
else
setvalues plots(i)
"tiMainOn" : False
end setvalues
end if
overlay(base,plots(i))
else
print("wrf_overlays: Warning: overlay plot #" + i + " is not valid.")
end if
end do
if(.not.no_titles .or. com_title) then
font_height = get_res_value_keep(opts,"FontHeightF",0.01)
txt = create "map_titles" textItemClass wks
"txString" : SubTitles
"txFontHeightF" : font_height
end create
anno = NhlAddAnnotation(base,txt)
setvalues anno
"amZone" : 3
"amJust" : "BottomLeft"
"amSide" : "Top"
"amParallelPosF" : 0.005
"amOrthogonalPosF" : 0.03
"amResizeNotify" : False
end setvalues
base@map_titles = anno
end if
;
; gsnDraw and gsnFrame should default to True if not a panel plot.
;
if(panel_plot) then
call_draw = False
call_frame= False
end if
opts@gsnDraw = get_res_value_keep(opts,"gsnDraw", call_draw)
opts@gsnFrame = get_res_value_keep(opts,"gsnFrame", call_frame)
opts@gsnMaximize = get_res_value_keep(opts,"gsnMaximize", True)
draw_and_frame(wks,base,opts@gsnDraw,opts@gsnFrame,False, \
opts@gsnMaximize)
if(.not.no_titles.and..not.panel_plot) then
NhlRemoveAnnotation(base,base@map_titles)
delete(base@map_titles)
end if
if(.not.panel_plot) then
if ( nplots .ge. 2 ) then
do i=1,nplots-1
if(.not.ismissing(plots(i))) then
NhlRemoveOverlay(base,plots(i),False)
else
print("wrf_remove_overlays: Warning: overlay plot #" + i + " is not valid.")
print(" Nothing to remove.")
end if
end do
end if
end if
return(base)
end
;--------------------------------------------------------------------------------
undef("wrf_map_zoom")
function wrf_map_zoom(wks[1]:graphic,in_file[1]:file,opt_args[1]:logical, \
y1:integer,y2:integer,x1:integer,x2:integer)
; As of version 5.0.1, this routine is redundant. Use the special "ZoomIn"
; resource in wrf_map to accomplish the same thing. This function is
; being kept for backwards capability. There should be no need for it
; except to run old WRF-NCL codes. Do not make any changes to it except
; possibly to fix bugs.
;
begin
print("wrf_map_zoom: Warning: This function is obsolete. Consider using")
print(" the 'ZoomIn' resource in wrf_map instead.")
if(isfilevar(in_file,"XLAT"))
lat = in_file->XLAT(0,:,:)
lon = in_file->XLONG(0,:,:)
else
lat = in_file->XLAT_M(0,:,:)
lon = in_file->XLONG_M(0,:,:)
end if
opts = opt_args ; Make a copy of the resource list
opts = True
opts@mpLeftCornerLatF = lat(y1,x1)
opts@mpLeftCornerLonF = lon(y1,x1)
opts@mpRightCornerLatF = lat(y2,x2)
opts@mpRightCornerLonF = lon(y2,x2)
mz = wrf_map(wks,in_file,opts)
return(mz)
end
;--------------------------------------------------------------------------------
undef("wrf_map_overlay")
procedure wrf_map_overlay(wks:graphic,base[1]:graphic, \
plots[*]:graphic, \
opt_arg[1]:logical)
; As of version 5.0.1, this procedure is obsolete. Use wrf_map_overlays
; instead. It is being kept for backwards capability. Do not make any
; changes to it except possibly to fix bugs.
;
; This procedure takes an array of plots and overlays them on a
; base plot - map background.
;
; It will advance the plot and cleanup, unless you set the
; PanelPlot resource to True.
;
; Attributes recognized by this procedure:
; NoTitles (don't do any titles)
; PanelPlot
;
; If the "NoTitles" attribute exists and is set True, then
; don't create the top-left titles, and leave the main titles alone.
; This resource can be useful if you are planning to panel
; the plots.
;
; If PanelPlot is set to True, then this flags to wrf_map_overlay
; that these plots are going to be eventually paneled (likely
; by gsn_panel), and hence 1) draw and frame should not be called
; (unless gsnDraw and/or gsnFrame are explicitly set to True),
; and 2) the overlays and titles should not be removed with
; NhlRemoveOverlay and NhlRemoveAnnotation.
;
begin
print("wrf_map_overlay: Warning: This procedure is obsolete. Consider" )
print(" using wrf_map_overlays instead.")
opts = opt_arg ; Make a copy of the resource list
opts = True
if(opts.and.isatt(opts,"NoTitles").and.opts@NoTitles) then
no_titles = True
else
no_titles = False
end if
panel_plot = get_res_value(opts,"PanelPlot",False) ; Are we paneling?
latlon_overlay = get_res_value(opts,"LatLonOverlay",False) ; Lat/lon Overlay?
nplots = dimsizes(plots)
; font_color = "Black"
do i=0,nplots-1
if(.not.ismissing(plots(i))) then
; class_name = NhlClassName(plots(i))
; print(class_name)
; if(class_name.eq."contourPlotClass") then
; getvalues plots(i)
; "cnFillOn" : fill_on
; "cnLineColor" : line_color
; end getvalues
; if (.not.fill_on) then
; font_color = line_color
; end if
; end if
if(.not.no_titles) then
getvalues plots(i)
"tiMainString" : SubTitle
end getvalues
if(i.eq.0) then
SubTitles = SubTitle
else
SubTitles = SubTitles + "~C~" + SubTitle
end if
if(.not.latlon_overlay) then
setvalues plots(i)
"tfDoNDCOverlay" : True
"tiMainOn" : False
end setvalues
else
setvalues plots(i)
"tiMainOn" : False
end setvalues
end if
else
if(.not.latlon_overlay) then
setvalues plots(i)
"tfDoNDCOverlay" : True
end setvalues
end if
end if
overlay(base,plots(i))
else
print("wrf_map_overlay: Warning: overlay plot #" + i + " is not valid.")
end if
end do
if(.not.no_titles) then
font_height = get_res_value_keep(opts,"FontHeightF",0.01)
txt = create "map_titles" textItemClass wks
"txString" : SubTitles
"txFontHeightF" : font_height
;"txFontColor" : font_color
end create
anno = NhlAddAnnotation(base,txt)
setvalues anno
"amZone" : 3
"amJust" : "BottomLeft"
"amSide" : "Top"
"amParallelPosF" : 0.005
"amOrthogonalPosF" : 0.03
"amResizeNotify" : False
end setvalues
base@map_titles = anno
end if
;
; gsnDraw and gsnFrame should default to True if not a panel plot.
; gsnFrame will default to False if opt_arg is False.
;
if(panel_plot.or..not.opt_arg) then
call_frame = False
else
call_frame = True
end if
if(panel_plot) then
call_draw = False
else
call_draw = True
end if
opts@gsnDraw = get_res_value_keep(opts,"gsnDraw", call_draw)
opts@gsnFrame = get_res_value_keep(opts,"gsnFrame", call_frame)
opts@gsnMaximize = get_res_value_keep(opts,"gsnMaximize", True)
draw_and_frame(wks,base,opts@gsnDraw,opts@gsnFrame,False, \
opts@gsnMaximize)
if(.not.panel_plot) then
do i=0,nplots-1
if(.not.ismissing(plots(i))) then
NhlRemoveOverlay(base,plots(i),False)
else
print("wrf_remove_map_overlay: Warning: overlay plot #" + i + " is not valid.")
print(" Nothing to remove.")
end if
end do
end if
if(.not.no_titles.and..not.panel_plot) then
if(isatt(base,"map_titles")) then
NhlRemoveAnnotation(base,base@map_titles)
delete(base@map_titles)
end if
end if
end
;--------------------------------------------------------------------------------
undef("wrf_overlay")
procedure wrf_overlay(wks:graphic, plots[*]:graphic, \
opt_arg[1]:logical)
; As of version 5.0.1, this procedure is obsolete. Use wrf_overlays
; instead. It is being kept for backwards capability. Do not make any
; changes to it except possibly to fix bugs.
;
; This procedure takes an array of plots and overlays them.
;
; It will advance the plot and cleanup, unless you set the
; PanelPlot resource to True.
;
; Attributes recognized by this procedure:
; NoTitles (don't do any titles)
; PanelPlot
;
; If the "NoTitles" attribute exists and is set True, then
; don't create the top-left titles, and leave the main titles alone.
; This resource can be useful if you are planning to panel
; the plots.
;
; If PanelPlot is set to True, then this flags to wrf_overlay
; that these plots are going to be eventually paneled (likely
; by gsn_panel), and hence 1) draw and frame should not be called
; (unless gsnDraw and/or gsnFrame are explicitly set to True),
; and 2) the overlays and titles should not be removed with
; NhlRemoveOverlay and NhlRemoveAnnotation.
;
; If LatLonOverlay is set to True, then this means the user is
; using the 2D lat/lon coordinates to do the overlay, and hence
; tfDoNDCOverlay should not be set to True. (The default is False.)
;
begin
print("wrf_overlay: Warning: This procedure is obsolete. Consider using")
print(" wrf_overlays instead.")
opts = opt_arg ; Make a copy of the resource list.
opts = True
if(opts.and.isatt(opts,"NoTitles").and.opts@NoTitles) then
no_titles = True
else
no_titles = False
end if
panel_plot = get_res_value(opts,"PanelPlot",False) ; Are we paneling?
latlon_overlay = get_res_value(opts,"LatLonOverlay",False) ; lat/lon overlay?
nplots = dimsizes(plots)
base = plots(0)
if(.not.no_titles) then
getvalues plots(0)
"tiMainString" : SubTitle
end getvalues
SubTitles = SubTitle
if(.not.latlon_overlay) then
setvalues plots(0)
"tfDoNDCOverlay" : True
"tiMainOn" : False
end setvalues
else
setvalues plots(0)
"tiMainOn" : False
end setvalues
end if
else
setvalues plots(0)
"tfDoNDCOverlay" : True
end setvalues
end if
if (nplots.eq.1) then
blank = create "BlankPlot" logLinPlotClass wks
;"cnConstFLabelOn" : False
end create
overlay(base,blank)
end if
do i=1,nplots-1
if(.not.ismissing(plots(i))) then
if(.not.no_titles) then
getvalues plots(i)
"tiMainString" : SubTitle
end getvalues
SubTitles = SubTitles + "~C~" + SubTitle
if(.not.latlon_overlay) then
setvalues plots(i)
"tfDoNDCOverlay" : True
"tiMainOn" : False
end setvalues
else
setvalues plots(i)
"tiMainOn" : False
end setvalues
end if
else
if(.not.latlon_overlay) then
setvalues plots(i)
"tfDoNDCOverlay" : True
end setvalues
end if
end if
overlay(base,plots(i))
else
print("wrf_overlay: Warning: overlay plot #" + i + " is not valid.")
end if
end do
if(.not.no_titles) then
font_height = get_res_value_keep(opts,"FontHeightF",0.01)
txt = create "map_titles" textItemClass wks
"txString" : SubTitles
"txFontHeightF" : font_height
end create
anno = NhlAddAnnotation(base,txt)
setvalues anno
"amZone" : 3
"amJust" : "BottomLeft"
"amSide" : "Top"
"amParallelPosF" : 0.005
"amOrthogonalPosF" : 0.03
"amResizeNotify" : False
end setvalues
base@map_titles = anno
end if
;
; gsnDraw and gsnFrame should default to True if not a panel plot.
; gsnFrame will default to False if opt_arg is False.
;
if(panel_plot.or..not.opt_arg) then
call_frame = False
else
call_frame = True
end if
if(panel_plot) then
call_draw = False
else
call_draw = True
end if
opts@gsnDraw = get_res_value_keep(opts,"gsnDraw", call_draw)
opts@gsnFrame = get_res_value_keep(opts,"gsnFrame", call_frame)
opts@gsnMaximize = get_res_value_keep(opts,"gsnMaximize", True)
draw_and_frame(wks,base,opts@gsnDraw,opts@gsnFrame,False, \
opts@gsnMaximize)
if(.not.no_titles.and..not.panel_plot) then
NhlRemoveAnnotation(base,base@map_titles)
delete(base@map_titles)
end if
if(.not.panel_plot) then
if ( nplots .ge. 2 ) then
do i=1,nplots-1
if(.not.ismissing(plots(i))) then
NhlRemoveOverlay(base,plots(i),False)
else
print("wrf_remove_overlay: Warning: overlay plot #" + i + " is not valid.")
print(" Nothing to remove.")
end if
end do
end if
end if
end
;--------------------------------------------------------------------------------
undef("add_white_space")
function add_white_space(str:string,maxlen:integer)
begin
cstr = stringtochar(str)
len = dimsizes(cstr)-1
ws = ""
if(len.lt.maxlen) then
do i=1,maxlen-len
ws = ws + " "
end do
end if
return(ws)
end
;--------------------------------------------------------------------------------
undef("print_opts")
procedure print_opts(opts_name,opts,debug)
begin
if(.not.debug) then
return
end if
varatts = getvaratts(opts)
;
; Sort attributes alphabetically/
;
sqsort(varatts)
;
; Get length of longest attribute name.
;
cvaratts = stringtochar(varatts)
cmaxlen = dimsizes(cvaratts(0,:))-1
print("------------------------------------------------------------")
print(opts_name + "...") ; Print name of option variable.
;
; Loop through each attribute in the list. If its value is an array,
; then print out the array with '(/' and '/)' around it.
;
; If the value is a string, then put ticks (') around each string.
;
do i=0,dimsizes(varatts)-1
x = opts@$varatts(i)$
;
; Use add_white_space to make sure all the equal signs line up.
;
tmp_str = " " + varatts(i) + \
add_white_space(varatts(i),cmaxlen) + " = "
;
; Check if attribute is an array.
;
if(dimsizes(x).gt.1) then
tmp_str = tmp_str + "(/"
do j=0,dimsizes(x)-1
if(typeof(x(j)).eq."string") then
tmp_str = tmp_str + "'" + x(j) + "'"
else
tmp_str = tmp_str + x(j)
end if
if(j.lt.dimsizes(x)-1) then
tmp_str = tmp_str + ","
else
tmp_str = tmp_str + "/)"
end if
end do
else if(typeof(x).eq."string") then
tmp_str = tmp_str + "'" + x + "'"
else
tmp_str = tmp_str + x
end if
end if
print("" + tmp_str)
delete(x)
end do
end
;--------------------------------------------------------------------------------
undef("print_header")
procedure print_header(icount:integer,debug)
begin
icount = icount + 1
if(.not.debug) then
return
end if
print("END plot #" + icount)
print("------------------------------------------------------------")
end
;--------------------------------------------------------------------------------
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