/usr/share/ncarg/hluex/contourplot/cn13f.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 | C
C $Id: cn13f.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 All Rights Reserved *
C *
C***********************************************************************
C
C File: cn13f.f
C
C Author: Mary Haley
C National Center for Atmospheric Research
C PO 3000, Boulder, Colorado
C
C Date: Mon Nov 27 10:23:59 MST 1995
C
C Description: This example emulates LLU example "mpex10". It shows
C how to do inverse map tranformations and raster contour
C plots.
C
external NhlFAppClass
external NhlFNcgmWorkstationClass
external NhlFPSWorkstationClass
external NhlFPDFWorkstationClass
external NhlFCairoPSPDFWorkstationClass
external NhlFCairoImageWorkstationClass
external NhlFCairoWindowWorkstationClass
external NhlFScalarFieldClass
external NhlFContourPlotClass
external NhlFMapPlotClass
parameter(NCLS=300,NC=NCLS*NCLS,DTOR=.017453292519943,NCOLORS=66)
real x(NC), y(NC),rlat(NC), rlon(NC)
real icra(NCLS,NCLS), dval, oor, miss_val
data miss_val/1.e12/
integer count(2)
integer appid, workid, dataid, cnid, mpid
integer srlist, i, j, l, status, ierr, ierrx, ierry
C
C Declare variables for defining color map.
C
integer length(2)
real cmap(3,NCOLORS)
character*7 wks_type
C
C Default is to display to an X11 window.
C
wks_type = "x11"
C
C Initialize the HLU library and set up resource template.
C
call NhlFInitialize
call NhlFRLCreate(srlist,'SETRL')
C
C Create an application object.
C
call NhlFRLClear(srlist)
call NhlFRLSetstring(srlist,'appUsrDir','./',ierr)
call NhlFCreate(appid,'cn13',NhlFAppClass,0,srlist,ierr)
C
C Modify the color map. Colors for contour fill areas varying from
C blue to red.
C
cmap( 1,1) = 0.00
cmap( 2,1) = 0.00
cmap( 3,1) = 0.00
cmap( 1,2) = 1.00
cmap( 2,2) = 1.00
cmap( 3,2) = 1.00
do 10 i = 2,NCOLORS-1
cmap(1,i+1) = real(i-2)/real(NCOLORS-3)
cmap(2,i+1) = 0.
cmap(3,i+1) = real((NCOLORS-2)-(i-1))/real(NCOLORS-3)
10 continue
length(1) = 3
length(2) = NCOLORS
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','./cn13f.ncgm',ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(workid,'cn13Work',NhlFNcgmWorkstationClass,
+ 0,srlist,ierr)
else if (wks_type.eq."x11".or.wks_type.eq."X11") then
C
C Create an X workstation.
C
call NhlFRLClear(srlist)
call NhlFRLSetstring(srlist,'wkPause','True',ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(workid,'cn13Work',
+ 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','./cn13f.ps',ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(workid,'cn13Work',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','./cn13f.pdf',ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(workid,'cn13Work',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 object.
C
call NhlFRLClear(srlist)
call NhlFRLSetstring(srlist,'wkFileName','./cn13f',ierr)
call NhlFRLSetstring(srlist,'wkFormat',wks_type,ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(workid,'cn13Work',
+ NhlFCairoPSPDFWorkstationClass,0,srlist,ierr)
else if (wks_type.eq."png".or.wks_type.eq."PNG") then
C
C Create a cairo PNG object.
C
call NhlFRLClear(srlist)
call NhlFRLSetstring(srlist,'wkFileName','./cn13f',ierr)
call NhlFRLSetstring(srlist,'wkFormat',wks_type,ierr)
call NhlFRLSetMDFloatArray(srlist,'wkColorMap',cmap,2,length,
+ ierr)
call NhlFCreate(workid,'cn13Work',
+ NhlFCairoImageWorkstationClass,0,srlist,ierr)
endif
C
C Create a MapPlot object.
C
call NhlFRLClear(srlist)
call NhlFRLSetString(srlist,'mpProjection','Orthographic',ierr)
call NhlFRLSetFloat(srlist,'mpCenterLatF',40.,ierr)
call NhlFRLSetFloat(srlist,'mpCenterLonF',-105.,ierr)
call NhlFRLSetFloat(srlist,'mpCenterRotF',0.,ierr)
call NhlFCreate(mpid,'MapPlot',nhlfmapplotclass,workid,srlist,
+ ierr)
C
C Calculate nice range of x,y values, and then get their
C corresponding lon,lat values.
C
l = 1
do 20 i=1,NCLS
do 15 j=1,NCLS
x(l) = .05+.90*(real(i)+.5)/real(NCLS)
y(l) = .05+.90*(real(j)+.5)/real(NCLS)
l = l+1
15 continue
20 continue
call NhlFNDCToData(mpid,x,y,NC,rlon,rlat,0.,0.,ierrx,ierry,
+ status,oor,ierr)
C
C Now create a cell array.
C
l = 1
do 30 i=1,NCLS
do 25 j=1,NCLS
if (rlat(l) .eq. oor) then
icra(i,j) = miss_val
else
dval=.25*(1.+cos(DTOR*10.*rlat(l)))+
+ .25*(1.+sin(DTOR*10.*rlon(l)))*cos(DTOR*rlat(l))
icra(i,j) = 2.+dval*real(NCOLORS-2)
if( icra(i,j).ne.miss_val) then
icra(i,j) = min(real(NCOLORS-1),icra(i,j))
endif
endif
l = l+1
25 continue
30 continue
C
C Create a ScalarField object.
C
count(1) = NCLS
count(2) = NCLS
call NhlFRLClear(srlist)
call NhlFRLSetMDFloatArray(srlist,'sfDataArray',icra,2,count,
+ ierr)
call NhlFRLSetFloat(srlist,'sfMissingValueV',miss_val,ierr)
call NhlFCreate(dataid,'DataItem',nhlfscalarfieldclass,appid,
+ srlist,ierr)
C
C Create ContourPlot object.
C
call NhlFRLClear(srlist)
call NhlFRLSetInteger(srlist,'cnScalarFieldData',dataid,ierr)
call NhlFCreate(cnid,'ContourPlot',nhlfcontourplotclass,workid,
+ srlist,ierr)
C
C Draw MapPlot on ContourPlot.
C
call NhlFDraw(cnid,ierr)
call NhlFDraw(mpid,ierr)
call NhlFFrame(workid,ierr)
C
C NhlDestroy destroys the given id and all of its children.
C
call NhlFRLDestroy(srlist)
call NhlFDestroy(workid,ierr)
C
C Restores state.
C
call NhlFClose
stop
end
|