/usr/share/ncarg/hluex/contourplot/cn10f.f is in libncarg-data 6.4.0-9.
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C $Id: cn10f.f,v 1.8 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: cn10f.f
C
C Author: Fred Clare (converted to Fortran by Mary Haley)
C National Center for Atmospheric Research
C PO 3000, Boulder, Colorado
C
C Date: Mon Sep 25 16:07:14 MDT 1995
C
C Description: Reads a netCDF file and produces five plots:
C
C 1.) A quick-and-dirty contour plot.
C 2.) An improved contour plot.
C 3.) A contour plot of a sub-area of plot 2.)
C 4.) An XyPlot that is a slice through the
C the contoured area in 2.)
C 5.) An overlay of the contour plot in 2.) on
C an MapPlot object.
C
external NhlFAppClass
external NhlFNcgmWorkstationClass
external NhlFPSWorkstationClass
external NhlFPDFWorkstationClass
external NhlFCairoPSPDFWorkstationClass
external NhlFCairoImageWorkstationClass
external NhlFCairoWindowWorkstationClass
external NhlFScalarFieldClass
external NhlFCoordArraysClass
external NhlFContourPlotClass
external NhlFMapPlotClass
external NhlFXyPlotClass
C
C Define the maximum number of colors.
C
parameter(NCOLORS=27)
C
C Declare variables for the HLU routine calls.
C
integer appid, work_id, field1, field2, con1, con2
integer dataspec, mapid, y_dataid, xy_id
integer srlist, grlist, i
real ymin, ymax, special_value
data special_value/-9999./
C
C Declare variables for defining color map.
C
integer length(2), colors(13)
real cmap(3,NCOLORS)
C
C Declare variables for getting information from netCDF file.
C
integer ncid, mnd_id, xdim_id, ydim_id
real mound(18,15), mound2(5,5), xdim(20), ydim(20)
integer start(2), count(2), xlen, ylen, flen
character*256 filename
character*50 recname
character*7 wks_type
C
C Define the workstation type
C
wks_type = "x11"
C
C
C Initialize the HLU library and set up resource template.
C
call NhlFInitialize
call NhlFRLCreate(srlist,'setrl')
C
C Modify the color map. Color indices '1' and '2' are the background
C and foreground colors respectively.
C
cmap(1, 1) = 1.00
cmap(2, 1) = 1.00
cmap(3, 1) = 1.00
cmap(1, 2) = 0.00
cmap(2, 2) = 0.00
cmap(3, 2) = 0.00
cmap(1, 3) = 0.00
cmap(2, 3) = 0.15
cmap(3, 3) = 1.00
cmap(1, 4) = 0.00
cmap(2, 4) = 0.05
cmap(3, 4) = 1.00
cmap(1, 5) = 0.04
cmap(2, 5) = 0.00
cmap(3, 5) = 1.00
cmap(1, 6) = 0.14
cmap(2, 6) = 0.00
cmap(3, 6) = 1.00
cmap(1, 7) = 0.24
cmap(2, 7) = 0.00
cmap(3, 7) = 1.00
cmap(1, 8) = 0.34
cmap(2, 8) = 0.00
cmap(3, 8) = 1.00
cmap(1, 9) = 0.43
cmap(2, 9) = 0.00
cmap(3, 9) = 1.00
cmap(1,10) = 0.53
cmap(2,10) = 0.00
cmap(3,10) = 1.00
cmap(1,11) = 0.63
cmap(2,11) = 0.00
cmap(3,11) = 1.00
cmap(1,12) = 0.73
cmap(2,12) = 0.00
cmap(3,12) = 1.00
cmap(1,13) = 0.83
cmap(2,13) = 0.00
cmap(3,13) = 1.00
cmap(1,14) = 0.92
cmap(2,14) = 0.00
cmap(3,14) = 1.00
cmap(1,15) = 1.00
cmap(2,15) = 0.00
cmap(3,15) = 0.98
cmap(1,16) = 1.00
cmap(2,16) = 0.00
cmap(3,16) = 0.88
cmap(1,17) = 1.00
cmap(2,17) = 0.00
cmap(3,17) = 0.78
cmap(1,18) = 1.00
cmap(2,18) = 0.00
cmap(3,18) = 0.68
cmap(1,19) = 1.00
cmap(2,19) = 0.00
cmap(3,19) = 0.59
cmap(1,20) = 1.00
cmap(2,20) = 0.00
cmap(3,20) = 0.49
cmap(1,21) = 1.00
cmap(2,21) = 0.00
cmap(3,21) = 0.39
cmap(1,22) = 1.00
cmap(2,22) = 0.00
cmap(3,22) = 0.29
cmap(1,23) = 1.00
cmap(2,23) = 0.00
cmap(3,23) = 0.20
cmap(1,24) = 1.00
cmap(2,24) = 0.00
cmap(3,24) = 0.10
cmap(1,25) = 1.00
cmap(2,25) = 0.00
cmap(3,25) = 0.00
C
C Colors used for labels.
C
cmap(1,26) = 0.00
cmap(2,26) = 0.00
cmap(3,26) = 0.00
cmap(1,27) = 0.40
cmap(2,27) = 0.00
cmap(3,27) = 0.40
length(1) = 3
length(2) = NCOLORS
C
C Create Application object. The Application object name is used to
C determine the name of the resource file, which is "cn10.res" in
C this case.
C
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'appDefaultParent','True',ierr)
call NhlFRLSetString(srlist,'appUsrDir','./',ierr)
call NhlFCreate(appid,'cn10',NhlFAppClass,0,srlist,ierr)
if (wks_type.eq."ncgm".or.wks_type.eq."NCGM") then
C
C Create an NCGM workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'wkMetaName','./cn10f.ncgm',ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(work_id,'cn10Work',
+ 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 NhlFRLSetString(srlist,'wkPause','True',ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(work_id,'cn10Work',
+ 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 NhlFRLSetString(srlist,'wkPSFileName','./cn10f.ps',ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(work_id,'cn10Work',
+ 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 NhlFRLSetString(srlist,'wkPDFFileName','./cn10f.pdf',ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(work_id,'cn10Work',
+ 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 NhlFRLSetString(srlist,'wkFileName','./cn10f',ierr)
call NhlFRLSetString(srlist,'wkFormat',wks_type,ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(work_id,'cn10Work',
+ 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 NhlFRLSetString(srlist,'wkFileName','./cn10f',ierr)
call NhlFRLSetString(srlist,'wkFormat',wks_type,ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(work_id,'cn10Work',
+ NhlFCairoImageWorkstationClass,0,srlist,ierr)
endif
C
C Open the netCDF file.
C
call gngpat(filename,'data',ierr)
flen = 13
do 10 i=1,256
if( filename(i:i).eq.char(0) ) then
filename(i:i+flen)='/cdf/cn10n.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 mound length.
C
xdim_id = ncdid(ncid,'xdim',ierr)
ydim_id = ncdid(ncid,'ydim',ierr)
mnd_id = ncvid(ncid,'mound',ierr)
call ncdinq(ncid,xdim_id,recname,xlen,ierr)
call ncdinq(ncid,ydim_id,recname,ylen,ierr)
xdim_id = ncvid(ncid,'xdim',ierr)
ydim_id = ncvid(ncid,'ydim',ierr)
C
C Get data and dimentions values for the mound.
C
start(1) = 1
start(2) = 1
count(1) = ylen
count(2) = xlen
call ncvgt(ncid,mnd_id,start,count,mound,ierr)
count(1) = xlen
call ncvgt(ncid,xdim_id,start,count,xdim,ierr)
count(1) = ylen
call ncvgt(ncid,ydim_id,start,count,ydim,ierr)
C
C Create a data field.
C
count(1) = ylen
count(2) = xlen
call NhlFRLClear(srlist)
call NhlFRLSetMDFloatArray(srlist,'sfDataArray',mound,2,count,
+ ierr)
call NhlFRLSetFloat(srlist,'sfMissingValueV',special_value,ierr)
call NhlFRLSetFloat(srlist,'sfXCStartV',ydim(1),ierr)
call NhlFRLSetFloat(srlist,'sfXCEndV',ydim(ylen),ierr)
call NhlFRLSetFloat(srlist,'sfYCStartV',xdim(1),ierr)
call NhlFRLSetFloat(srlist,'sfYCEndV',xdim(xlen),ierr)
call NhlFCreate(field1,'field1',nhlfscalarfieldclass,appid,srlist,
+ ierr)
C
C Create a ContourPlot object using the above data field.
C
call NhlFRLClear(srlist)
call NhlFRLSetInteger(srlist,'cnScalarFieldData',field1,ierr)
call NhlFRLSetFloat(srlist,'vpXF',0.15,ierr)
call NhlFRLSetFloat(srlist,'vpYF',0.9,ierr)
call NhlFRLSetFloat(srlist,'vpWidthF',0.79,ierr)
call NhlFRLSetFloat(srlist,'vpHeightF',0.79,ierr)
call NhlFCreate(con1,'con1',nhlfcontourplotclass,work_id,srlist,
+ ierr)
C
C Picture 1: A quick-and-dirty contour plot.
C
call NhlFDraw(con1,ierr)
call NhlFFrame(work_id,ierr)
C
C Picture 2: An improved contour plot.
C
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'cnFillOn','True',ierr)
call NhlFRLSetString(srlist,'cnMonoFillColor','False',ierr)
call NhlFRLSetFloat(srlist,'cnLevelSpacingF',2.0,ierr)
call NhlFRLSetFloat(srlist,'cnLevelSpacingF',2.0,ierr)
call NhlFRLSetString(srlist,'cnSmoothingOn','True',ierr)
call NhlFRLSetFloat(srlist,'cnMaxPointDistanceF',0.0,ierr)
call NhlFRLSetInteger(srlist,'cnLineColor',0,ierr)
call NhlFRLSetInteger(srlist,'cnLineLabelFontColor',25,ierr)
call NhlFRLSetInteger(srlist,'cnLineLabelFont',22,ierr)
call NhlFRLSetFloat(srlist,'cnLineLabelFontHeightF',.02,ierr)
call NhlFRLSetInteger(srlist,'cnLineLabelInterval',3,ierr)
call NhlFRLSetString(srlist,'cnLineLabelPlacementMode','COMPUTED',
+ ierr)
call NhlFRLSetInteger(srlist,'cnHighLabelFont',22,ierr)
call NhlFRLSetFloat(srlist,'cnHighLabelFontHeightF',.025,ierr)
call NhlFRLSetInteger(srlist,'cnHighLabelFontColor',25,ierr)
call NhlFRLSetString(srlist,'cnInfoLabelOn','False',ierr)
call NhlFRLSetInteger(srlist,'tmXBMinorPerMajor',2,ierr)
call NhlFRLSetInteger(srlist,'tmYLMajorLineColor',26,ierr)
call NhlFRLSetInteger(srlist,'tmYLMinorLineColor',26,ierr)
call NhlFRLSetFloat(srlist,'tmYLMinorThicknessF',2.,ierr)
call NhlFRLSetInteger(srlist,'tmXBMajorLineColor',26,ierr)
call NhlFRLSetInteger(srlist,'tmXBMinorLineColor',26,ierr)
call NhlFRLSetFloat(srlist,'tmXBMinorThicknessF',2.,ierr)
call NhlFRLSetInteger(srlist,'tmXBLabelFont',21,ierr)
call NhlFRLSetFloat(srlist,'tmXBLabelFontHeightF',.03,ierr)
call NhlFRLSetInteger(srlist,'tmXBLabelFontColor',26,ierr)
call NhlFRLSetInteger(srlist,'tmYLLabelFont',21,ierr)
call NhlFRLSetFloat(srlist,'tmYLLabelFontHeightF',.03,ierr)
call NhlFRLSetInteger(srlist,'tmYLLabelFontColor',26,ierr)
call NhlFRLSetInteger(srlist,'tmBorderLineColor',26,ierr)
call NhlFRLSetString(srlist,'tiMainOn','True',ierr)
call NhlFRLSetInteger(srlist,'tiMainFont',26,ierr)
call NhlFRLSetFloat(srlist,'tiMainFontHeightF',.04,ierr)
call NhlFRLSetString(srlist,'tiMainString','The Hot Zone',ierr)
call NhlFRLSetFloat(srlist,'tiMainOffsetYF',-0.025,ierr)
call NhlFRLSetInteger(srlist,'tiMainFontColor',26,ierr)
call NhlFSetValues(con1,srlist,ierr)
call NhlFDraw(con1,ierr)
call NhlFFrame(work_id,ierr)
C
C Picture 3: Zero in on the top of the mound.
C
start(1) = 5
start(2) = 3
count(1) = 5
count(2) = 5
call ncvgt(ncid,mnd_id,start,count,mound2,ierr)
call NhlFRLClear(srlist)
call NhlFRLSetMDFloatArray(srlist,'sfDataArray',mound2,2,count,
+ ierr)
call NhlFRLSetFloat(srlist,'sfXCStartV',-20.,ierr)
call NhlFRLSetFloat(srlist,'sfXCEndV',20.,ierr)
call NhlFRLSetFloat(srlist,'sfYCStartV', -20.,ierr)
call NhlFRLSetFloat(srlist,'sfYCEndV',20.,ierr)
call NhlFSetValues(field1,srlist,ierr)
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'tiMainString','A closer look',ierr)
call NhlFRLSetInteger(srlist,'tmXBMinorPerMajor',4,ierr)
call NhlFRLSetInteger(srlist,'tmYLMinorPerMajor',4,ierr)
call NhlFRLSetFloat(srlist,'cnLevelSpacingF',0.15,ierr)
do 20 i = 1,11
colors(i) = i+8
20 continue
colors(12) = 21
colors(13) = 23
call NhlFRLSetIntegerArray(srlist,'cnFillColors',colors,13,ierr)
call NhlFSetValues(con1,srlist,ierr)
call NhlFDraw(con1,ierr)
call NhlFFrame(work_id,ierr)
C
C Picture 4: Plot an XyPlot of X values for a specific Y value.
C
call NhlFRLClear(srlist)
call NhlFRLSetFloatArray(srlist,'caXArray',ydim,ylen,ierr)
call NhlFRLSetFloatArray(srlist,'caYArray',mound(1,6),ylen,ierr)
call NhlFCreate(y_dataid,'xyData',nhlfcoordarraysclass,appid,
+ srlist,ierr)
call NhlFRLClear(srlist)
call NhlFRLSetFloat(srlist,'vpXF',.2,ierr)
call NhlFRLSetFloat(srlist,'vpYF',.85,ierr)
call NhlFRLSetFloat(srlist,'vpWidthF',.7,ierr)
call NhlFRLSetFloat(srlist,'vpHeightF',.7,ierr)
call NhlFRLSetString(srlist,'xyComputeYMax','False',ierr)
call NhlFRLSetString(srlist,'xyComputeYMin','False',ierr)
call NhlFRLSetString(srlist,'tiMainOn','True',ierr)
call NhlFRLSetInteger(srlist,'tiMainFont',26,ierr)
call NhlFRLSetFloat(srlist,'tiMainFontHeightF',.0275,ierr)
call NhlFRLSetString(srlist,'tiMainString','For X = 10.',ierr)
call NhlFRLSetFloat(srlist,'tiMainOffsetYF',-0.00,ierr)
call NhlFRLSetInteger(srlist,'tiMainFontColor',26,ierr)
call NhlFRLSetString(srlist,'tiXAxisString','Y',ierr)
call NhlFRLSetInteger(srlist,'tiXAxisFont',26,ierr)
call NhlFRLSetInteger(srlist,'tiXAxisFontColor',26,ierr)
call NhlFRLSetFloat(srlist,'tiXAxisFontHeightF',.025,ierr)
call NhlFRLSetString(srlist,'tiYAxisString','F(Y)',ierr)
call NhlFRLSetInteger(srlist,'tiYAxisFont',26,ierr)
call NhlFRLSetInteger(srlist,'tiYAxisFontColor',26,ierr)
call NhlFRLSetFloat(srlist,'tiYAxisFontHeightF',.025,ierr)
call NhlFRLSetString(srlist,'tmXTBorderOn','False',ierr)
call NhlFRLSetString(srlist,'tmYRBorderOn','False',ierr)
call NhlFRLSetString(srlist,'tmXTOn','False',ierr)
call NhlFRLSetString(srlist,'tmYROn','False',ierr)
call NhlFRLSetInteger(srlist,'tmYLMajorLineColor',26,ierr)
call NhlFRLSetInteger(srlist,'tmYLMinorLineColor',26,ierr)
call NhlFRLSetFloat(srlist,'tmYLMinorThicknessF',2.,ierr)
call NhlFRLSetInteger(srlist,'tmXBMajorLineColor',26,ierr)
call NhlFRLSetInteger(srlist,'tmXBMinorLineColor',26,ierr)
call NhlFRLSetFloat(srlist,'tmXBMinorThicknessF',2.,ierr)
call NhlFRLSetInteger(srlist,'tmXBMinorPerMajor',2,ierr)
call NhlFRLSetInteger(srlist,'tmYLMinorPerMajor',2,ierr)
call NhlFRLSetInteger(srlist,'tmBorderLineColor',26,ierr)
call NhlFRLSetInteger(srlist,'tmXBLabelFont',21,ierr)
call NhlFRLSetFloat(srlist,'tmXBLabelFontHeightF',.025,ierr)
call NhlFRLSetInteger(srlist,'tmXBLabelFontColor',26,ierr)
call NhlFRLSetInteger(srlist,'tmYLLabelFont',21,ierr)
call NhlFRLSetFloat(srlist,'tmYLLabelFontHeightF',.025,ierr)
call NhlFRLSetInteger(srlist,'tmYLLabelFontColor',26,ierr)
call NhlFCreate(xy_id,'XyPlotData',nhlfxyplotclass,work_id,srlist,
+ ierr)
call NhlFAddData(xy_id,'xyCoordData',y_dataid,dataspec)
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'xyMonoLineColor','True',ierr)
call NhlFRLSetInteger(srlist,'xyLineColor',24,ierr)
call NhlFRLSetFloat(srlist,'xyLineThicknessF',2.,ierr)
call NhlFSetValues(dataspec,srlist,ierr)
call NhlFRLCreate(grlist,'getrl')
call NhlFRLClear(grlist)
call NhlFRLGetFloat(grlist,'tmYLTickStartF',ymin,ierr)
call NhlFRLGetFloat(grlist,'tmYLTickEndF',ymax,ierr)
call NhlFGetValues(xy_id,grlist,ierr)
call NhlFRLClear(srlist)
call NhlFRLSetFloat(srlist,'trYMinF',ymin,ierr)
call NhlFRLSetFloat(srlist,'trYMaxF',ymax,ierr)
call NhlFSetValues(xy_id,srlist,ierr)
call NhlFDraw(xy_id,ierr)
call NhlFFrame(work_id,ierr)
C
C Picture 5: Overlay the mound on top of Colorado.
C
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'pmTitleDisplayMode','always',ierr)
call NhlFRLSetString(srlist,'tiMainOn','True',ierr)
call NhlFRLSetInteger(srlist,'tiMainFont',26,ierr)
call NhlFRLSetFloat(srlist,'tiMainFontHeightF',0.037,ierr)
call NhlFRLSetFloat(srlist,'tiMainOffsetYF',-0.00,ierr)
call NhlFRLSetInteger(srlist,'tiMainFontColor',26,ierr)
call NhlFRLSetString(srlist,'tiMainString','Mound over Colorado',
+ ierr)
call NhlFRLSetFloat(srlist,'vpXF',.1,ierr)
call NhlFRLSetFloat(srlist,'vpYF',.9,ierr)
call NhlFRLSetFloat(srlist,'vpWidthF',.79,ierr)
call NhlFRLSetFloat(srlist,'vpHeightF',.79,ierr)
call NhlFRLSetString(srlist,'mpFillOn','False',ierr)
call NhlFRLSetString(srlist,'mpOutlineBoundarySets',
+ 'allBoundaries',ierr)
call NhlFRLSetString(srlist,'mpProjection','LambertConformal',
+ ierr)
call NhlFRLSetFloat(srlist,'mpLambertParallel1F',30.,ierr)
call NhlFRLSetFloat(srlist,'mpLambertParallel2F',45.,ierr)
call NhlFRLSetFloat(srlist,'mpLambertMeridianF',-100.,ierr)
call NhlFRLSetString(srlist,'mpLimitMode','LatLon',ierr)
call NhlFRLSetFloat(srlist,'mpMinLatF',33.,ierr)
call NhlFRLSetFloat(srlist,'mpMaxLatF',44.,ierr)
call NhlFRLSetFloat(srlist,'mpMinLonF',-115.,ierr)
call NhlFRLSetFloat(srlist,'mpMaxLonF',-93.,ierr)
call NhlFRLSetInteger(srlist,'mpUSStateLineColor',25,ierr)
call NhlFRLSetFloat(srlist,'mpUSStateLineThicknessF',2.,ierr)
call NhlFRLSetString(srlist,'mpPerimOn','True',ierr)
call NhlFRLSetString(srlist,'mpGridAndLimbOn','False',ierr)
call NhlFRLSetInteger(srlist,'mpPerimLineColor',26,ierr)
call NhlFRLSetFloat(srlist,'mpPerimLineThicknessF',2.,ierr)
call NhlFCreate(mapid,'Map0',nhlfmapplotclass,work_id,srlist,ierr)
call NhlFRLClear(srlist)
count(1) = ylen
count(2) = xlen
call NhlFRLSetMDFloatArray(srlist,'sfDataArray',mound,2,count,
+ ierr)
call NhlFRLSetFloat(srlist,'sfXCStartV',-109.05,ierr)
call NhlFRLSetFloat(srlist,'sfXCEndV',-102.05,ierr)
call NhlFRLSetFloat(srlist,'sfYCStartV',37.,ierr)
call NhlFRLSetFloat(srlist,'sfYCEndV',41.,ierr)
call NhlFCreate(field2,'field2',nhlfscalarfieldclass,appid,srlist,
+ ierr)
call NhlFRLClear(srlist)
call NhlFRLSetInteger(srlist,'cnScalarFieldData',field2,ierr)
call NhlFRLSetString(srlist,'cnFillOn','True',ierr)
call NhlFRLSetString(srlist,'cnMonoFillColor','False',ierr)
call NhlFRLSetFloat(srlist,'cnLevelSpacingF',8.0,ierr)
call NhlFRLSetString(srlist,'cnSmoothingOn','True',ierr)
call NhlFRLSetFloat(srlist,'cnMaxPointDistanceF',0.0,ierr)
call NhlFRLSetInteger(srlist,'cnLineColor',0,ierr)
call NhlFRLSetString(srlist,'cnLineLabelsOn','False',ierr)
call NhlFRLSetString(srlist,'cnHighLabelsOn','False',ierr)
call NhlFRLSetString(srlist,'cnInfoLabelOn','False',ierr)
colors(1) = 3
colors(2) = 7
colors(3) = 11
colors(4) = 15
colors(5) = 19
colors(6) = 23
call NhlFRLSetIntegerArray(srlist,'cnFillColors',colors,6,ierr)
call NhlFCreate(con2,'con2',nhlfcontourplotclass,work_id,srlist,
+ ierr)
call NhlFAddOverlay(mapid,con2,-1,ierr)
call NhlFDraw(mapid,ierr)
call NhlFFrame(work_id,ierr)
C
C Close the netCDF file.
C
call ncclos(ncid,ierr)
C
C NhlDestroy 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
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