/usr/share/ncarg/hluex/contourplot/cn09f.f is in libncarg-data 6.4.0-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 | C
C $Id: cn09f.f,v 1.9 2010-03-15 22:49:23 haley Exp $
C
C***********************************************************************
C *
C Copyright (C) 1995 *
C University Corporation for Atmospheric Research *
C The use of this Software is governed by a License Agreement *
C *
C***********************************************************************
C
C File: cn09f.f
C
C Author: Ethan Alpert (converted to Fortran by Mary Haley)
C National Center for Atmospheric Research
C PO 3000, Boulder, Colorado
C
C Date: Thu Sep 28 09:59:38 MDT 1995
C
C Description: Reads a netCDF file and produces a series of
C surface pressure contour plots.
C
external NhlFAppClass
external NhlFNcgmWorkstationClass
external NhlFPSWorkstationClass
external NhlFPDFWorkstationClass
external NhlFCairoPSPDFWorkstationClass
external NhlFCairoImageWorkstationClass
external NhlFCairoWindowWorkstationClass
external NhlFScalarFieldClass
external NhlFContourPlotClass
parameter(NCOLORS=23)
C
C Declare variables for the HLU routine calls.
C
integer appid, workid, field1, con1
integer srlist, i, j, k
real cmap(3,NCOLORS)
C
C Declare variables for getting information from netCDF file.
C
integer ncid, lon_id, lat_id, frtime_id, press_id, frtime(7)
real press(36,33), spv
real lon(36), lat(33)
integer start(3), count(3), lonlen, latlen, frtimelen
character*256 filename
character*20 string
character*50 recname
character*7 wks_type
C
C Default is to create an NCGM file.
C
wks_type = "ncgm"
C
C Initialize the HLU library and set up resource template.
C
call NhlFInitialize
call NhlFRLCreate(srlist,'setrl')
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'appDefaultParent','True',ierr)
call NhlFRLSetString(srlist,'appUsrDir','./',ierr)
call NhlFCreate(appid,'cn09',NhlFAppClass,0,srlist,ierr)
cmap(1,1) = 0.0
cmap(2,1) = 0.0
cmap(3,1) = 0.0
cmap(1,2) = 1.0
cmap(2,2) = 1.0
cmap(3,2) = 1.0
cmap(1,3) = 0.0
cmap(2,3) = 0.0
cmap(3,3) = 0.0
cmap(1,4) = 1.0
cmap(2,4) = 0.0
cmap(3,4) = 0.0
cmap(1,5) = 0.0
cmap(2,5) = 1.0
cmap(3,5) = 0.0
cmap(1,6) = 0.0
cmap(2,6) = 0.0
cmap(3,6) = 1.0
cmap(1,7) = 1.0
cmap(2,7) = 1.0
cmap(3,7) = 0.0
cmap(1,8) = 0.0
cmap(2,8) = 1.0
cmap(3,8) = 1.0
cmap(1,9) = 1.0
cmap(2,9) = 0.0
cmap(3,9) = 1.0
cmap(1,10) = 0.5
cmap(2,10) = 0.0
cmap(3,10) = 0.0
cmap(1,11) = 0.5
cmap(2,11) = 1.0
cmap(3,11) = 1.0
cmap(1,12) = 0.0
cmap(2,12) = 0.0
cmap(3,12) = 0.5
cmap(1,13) = 1.0
cmap(2,13) = 1.0
cmap(3,13) = 0.5
cmap(1,14) = 0.5
cmap(2,14) = 0.0
cmap(3,14) = 1.0
cmap(1,15) = 1.0
cmap(2,15) = 0.5
cmap(3,15) = 0.0
cmap(1,16) = 0.0
cmap(2,16) = 0.5
cmap(3,16) = 1.0
cmap(1,17) = 0.5
cmap(2,17) = 1.0
cmap(3,17) = 0.0
cmap(1,18) = 0.5
cmap(2,18) = 0.0
cmap(3,18) = 0.5
cmap(1,19) = 0.5
cmap(2,19) = 1.0
cmap(3,19) = 0.5
cmap(1,20) = 1.0
cmap(2,20) = 0.5
cmap(3,20) = 1.0
cmap(1,21) = 0.0
cmap(2,21) = 0.5
cmap(3,21) = 0.0
cmap(1,22) = 0.5
cmap(2,22) = 0.5
cmap(3,22) = 1.0
cmap(1,23) = 1.0
cmap(2,23) = 0.0
cmap(3,23) = 0.5
count(1) = 3
count(2) = NCOLORS
if (wks_type.eq."ncgm".or.wks_type.eq."NCGM") then
C
C Create an NCGM workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,count,
+ ierr)
call NhlFRLSetString(srlist,'wkMetaName','./cn09f.ncgm',ierr)
call NhlFCreate(workid,'cn09Work',
+ NhlFNcgmWorkstationClass,0,srlist,ierr)
else if (wks_type.eq."x11".or.wks_type.eq."X11") then
C
C Create an X11 workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,count,
+ ierr)
call NhlFRLSetString(srlist,'wkPause','True',ierr)
call NhlFCreate(workid,'cn09Work',
+ NhlFCairoWindowWorkstationClass,
+ 0,srlist,ierr)
else if (wks_type.eq."oldps".or.wks_type.eq."OLDPS") then
C
C Create an older-style PostScript workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,count,
+ ierr)
call NhlFRLSetString(srlist,'wkPSFileName','./cn09f.ps',ierr)
call NhlFCreate(workid,'cn09Work',
+ NhlFPSWorkstationClass,0,srlist,ierr)
else if (wks_type.eq."oldpdf".or.wks_type.eq."OLDPDF") then
C
C Create an older-style PDF workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,count,
+ ierr)
call NhlFRLSetString(srlist,'wkPDFFileName','./cn09f.pdf',ierr)
call NhlFCreate(workid,'cn09Work',
+ NhlFPDFWorkstationClass,0,srlist,ierr)
else if (wks_type.eq."pdf".or.wks_type.eq."PDF".or.
+ wks_type.eq."ps".or.wks_type.eq."PS") then
C
C Create a cairo PS/PDF workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,count,
+ ierr)
call NhlFRLSetString(srlist,'wkFileName','./cn09f',ierr)
call NhlFRLSetString(srlist,'wkFormat',wks_type,ierr)
call NhlFCreate(workid,'cn09Work',
+ NhlFCairoPSPDFWorkstationClass,0,srlist,ierr)
else if (wks_type.eq."png".or.wks_type.eq."PNG") then
C
C Create a cairo PNG workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,count,
+ ierr)
call NhlFRLSetString(srlist,'wkFileName','./cn09f',ierr)
call NhlFRLSetString(srlist,'wkFormat',wks_type,ierr)
call NhlFCreate(workid,'cn09Work',
+ NhlFCairoImageWorkstationClass,0,srlist,ierr)
endif
C
C Open data file containing surface pressure data for
C entire globe.
C
call gngpat(filename,'data',ierr)
do 10 i=1,256
if( filename(i:i).eq.char(0) ) then
filename(i:i+15)='/cdf/contour.cdf'
goto 15
endif
10 continue
C
C The second argument to 'ncopn' should be NCNOWRIT, but since we
C can't include 'netcdf.inc', we are using the value '0' instead.
C
15 ncid = ncopn(filename,0,ierr)
C
C Get the lat/lon dimensions.
C
lat_id = ncdid(ncid,'lat',ierr)
lon_id = ncdid(ncid,'lon',ierr)
frtime_id = ncdid(ncid,'frtime',ierr)
call ncdinq(ncid,lat_id,recname,latlen,ierr)
call ncdinq(ncid,lon_id,recname,lonlen,ierr)
call ncdinq(ncid,frtime_id,recname,frtimelen,ierr)
frtime_id = ncvid(ncid,'frtime',ierr)
C
C Read in surface pressure and convert it to millibars.
C
press_id = ncvid(ncid,'Psl',ierr)
start(1) = 1
start(2) = 1
start(3) = 1
count(1) = lonlen
count(2) = latlen
count(3) = 1
call ncvgt(ncid,press_id,start,count,press,ierr)
call ncagt(ncid,press_id,'_FillValue',spv,ierr)
do 30 j = 1,latlen
do 20 k=1,lonlen
press(k,j) = press(k,j)/100.
20 continue
30 continue
C
C Read in lat/lon/frtime values.
C
lat_id = ncvid(ncid,'lat',ierr)
count(1) = latlen
call ncvgt(ncid,lat_id,start,count,lat,ierr)
lon_id = ncvid(ncid,'lon',ierr)
count(1) = lonlen
call ncvgt(ncid,lon_id,start,count,lon,ierr)
frtime_id = ncvid(ncid,'frtime',ierr)
count(1) = frtimelen
call ncvgt(ncid,frtime_id,start,count,frtime,ierr)
C
C Create scalar field configured with first time step
C of pressure data.
C
count(1) = lonlen
count(2) = latlen
call NhlFRLClear(srlist)
call NhlFRLSetMDFloatArray(srlist,'sfDataArray',press,2,count,
+ ierr)
call NhlFRLSetFloat(srlist,'sfMissingValueV',spv,ierr)
call NhlFRLSetFloat(srlist,'sfXCStartV',lon(1),ierr)
call NhlFRLSetFloat(srlist,'sfXCEndV',lon(lonlen),ierr)
call NhlFRLSetFloat(srlist,'sfYCStartV',lat(1),ierr)
call NhlFRLSetFloat(srlist,'sfYCEndV',lat(latlen),ierr)
call NhlFCreate(field1,'field1',NhlFscalarFieldClass,appid,srlist,
+ ierr)
C
C Create contour object using manual level spacing and solid
C color fill
C
call NhlFRLClear(srlist)
call NhlFRLSetInteger(srlist,'cnScalarFieldData',field1,ierr)
call NhlFRLSetString(srlist,'cnLevelSelectionMode','ManualLevels',
+ ierr)
call NhlFRLSetFloat(srlist,'cnMinLevelValF',960.0,ierr)
call NhlFRLSetFloat(srlist,'cnMaxLevelValF',1040.0,ierr)
call NhlFRLSetFloat(srlist,'cnLevelSpacingF',5.0,ierr)
call NhlFRLSetInteger(srlist,'cnMaxLevelCount',25,ierr)
call NhlFRLSetString(srlist,'cnInfoLabelOn','OFF',ierr)
call NhlFRLSetString(srlist,'cnHighLabelsOn','OFF',ierr)
call NhlFRLSetString(srlist,'cnLowLabelsOn','OFF',ierr)
call NhlFRLSetString(srlist,'cnLineLabelsOn','False',ierr)
call NhlFRLSetString(srlist,'cnLinesOn','False',ierr)
call NhlFRLSetString(srlist,'cnFillOn','True',ierr)
call NhlFRLSetString(srlist,'tiMainString','Forecast Time 0',ierr)
call NhlFCreate(con1,'con1',NhlFcontourPlotClass,workid,srlist,
+ ierr)
C
C Draw first frame
C
call NhlFDraw(con1,ierr)
call NhlFFrame(workid,ierr)
C
C Loop and draw remaining frames reseting the scalar field object
C with a new array for each iteration
C
do 60 i = 2,frtimelen
C
C Read in surface pressure and convert it to millibars.
C
start(1) = 1
start(2) = 1
start(3) = i
count(1) = lonlen
count(2) = latlen
count(3) = 1
call ncvgt(ncid,press_id,start,count,press,ierr)
do 50 j = 1,latlen
do 40 k=1,lonlen
press(k,j) = press(k,j)/100.
40 continue
50 continue
call NhlFRLClear(srlist)
count(1) = lonlen
count(2) = latlen
call NhlFRLSetMDFloatArray(srlist,'sfDataArray',press,2,count,
+ ierr)
C
C Create new scalar field.
C
call NhlFSetValues(field1,srlist,ierr)
call NhlFRLClear(srlist)
write(string,55)frtime(i)
55 format('Forecast Time ',i2)
call NhlFRLSetString(srlist,'tiMainString',string,ierr)
call NhlFSetValues(con1,srlist,ierr)
call NhlFDraw(con1,ierr)
call NhlFFrame(workid,ierr)
60 continue
C
C Close the netCDF file.
C
call ncclos(ncid,ierr)
C
C NhlFDestroy destroys the given id and all of its children.
C
call NhlFRLDestroy(srlist)
call NhlFDestroy(appid,ierr)
C
C Restores state.
C
call NhlFClose
stop
end
|