This file is indexed.

/usr/share/ncarg/hluex/contourplot/cn06f.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
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
C
C      $Id: cn06f.f,v 1.11 2010-03-15 22:49:23 haley Exp $
C
C***********************************************************************
C                                                                      *
C                Copyright (C)  1996                                   *
C        University Corporation for Atmospheric Research               *
C     The use of this Software is governed by a License Agreement      *
C                                                                      *
C***********************************************************************
C
C  File:       cn06f.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 Jan  4 14:22:28 MDT 1996
C
C  Description:    Reads a netCDF file and produces a series of
C                  temperature contour plots.
C
      external NhlFAppClass
      external NhlFNcgmWorkstationClass
      external NhlFPSWorkstationClass
      external NhlFPDFWorkstationClass
      external NhlFCairoPSPDFWorkstationClass
      external NhlFCairoImageWorkstationClass
      external NhlFCairoWindowWorkstationClass
      external NhlFScalarFieldClass
      external NhlFContourPlotClass

      parameter(NLON=36,NLAT=33,NCOLORS=17)
      integer xbvalues(6),ylvalues(5)
      character*4 xblabels(6)
      character*3 yllabels(5)
      data xbvalues/-60,-75,-90,-105,-120,-135/
      data ylvalues/60,50,40,30,20/
      data xblabels/'60W','75W','90W','105W','120W','135W'/
      data yllabels/'60N','50N','40N','30N','20N'/
C
C Declare variables for the HLU routine calls.
C
      integer appid, workid, field1, con1
      integer srlist, i
      real   cmap(3,NCOLORS)
C
C Declare variables for getting information from netCDF file.
C
      integer  ncid, lon_id, lat_id, frtime_id, T_id, frtime(7)
      real T(NLON,NLAT), spv
      real lon(NLON), lat(NLAT)
      integer start(4), count(4), lonlen, latlen, frtimelen
      integer t_type, tlen, hlen
      character*260 filename, full_title
      character*50 recname
      character*128 lat_name, lon_name, title, hist
      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,'cn06',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

      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','./cn06f.ncgm',ierr)
         call NhlFCreate(workid,'cn06Work',
     +        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,'cn06Work',
     +        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','./cn06f.ps',ierr)
         call NhlFCreate(workid,'cn06Work',
     +        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','./cn06f.pdf',ierr)
         call NhlFCreate(workid,'cn06Work',
     +        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','./cn06f',ierr)
         call NhlFRLSetString(srlist,'wkFormat',wks_type,ierr)
         call NhlFCreate(workid,'cn06Work',
     +        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','./cn06f',ierr)
         call NhlFRLSetString(srlist,'wkFormat',wks_type,ierr)
         call NhlFCreate(workid,'cn06Work',
     +        NhlFCairoImageWorkstationClass,0,srlist,ierr)
      endif
C
C Open NetCDF file.
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 title and history.
C
      call ncainq(ncid,0,'title',t_type,tlen,ierr)
      call ncagtc(ncid,0,'title',title,128,ierr)
      call ncainq(ncid,0,'history',t_type,hlen,ierr)
      call ncagtc(ncid,0,'history',hist,128,ierr)
      full_title = title(1:tlen-1)//'#C#'//hist(1:hlen-1)
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 T.
C
      T_id = ncvid(ncid,'T',ierr)
      start(1) = 1
      start(2) = 1
      start(3) = 1
      start(4) = 1
      count(1) = lonlen
      count(2) = latlen
      count(3) = 1
      count(4) = 1
      call ncvgt(ncid,T_id,start,count,T,ierr)
      call ncagt(ncid,T_id,'_FillValue',spv,ierr)
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)
      call ncagtc(ncid,lat_id,'long_name',lat_name,128,ierr)

      lon_id = ncvid(ncid,'lon',ierr)
      count(1) = lonlen
      call ncvgt(ncid,lon_id,start,count,lon,ierr)
      call ncagtc(ncid,lon_id,'long_name',lon_name,128,ierr)

      frtime_id = ncvid(ncid,'frtime',ierr)
      count(1) = frtimelen
      call ncvgt(ncid,frtime_id,start,count,frtime,ierr)
C
C Convert T from Degrees K to Degrees F.
C
      call KtoF(T)
C
C Create a scalar field object and configure the missing values and
C the start and end information.
C
      count(1) = lonlen
      count(2) = latlen
      call NhlFRLClear(srlist)
      call NhlFRLSetMDFloatArray(srlist,'sfDataArray',T,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.
C
      call NhlFRLClear(srlist)
      call NhlFRLSetFloat(srlist,'vpXF',.2,ierr)
      call NhlFRLSetFloat(srlist,'vpYF',.8,ierr)
      call NhlFRLSetFloat(srlist,'vpWidthF',.6,ierr)
      call NhlFRLSetFloat(srlist,'vpHeightF',.6,ierr)
      call NhlFRLSetInteger(srlist,'cnScalarFieldData',field1,ierr)
      call NhlFRLSetString(srlist,'cnLevelSelectionMode',
     +     'ManualLevels',ierr)
      call NhlFRLSetFloat(srlist,'cnMinLevelValF',-40.0,ierr)
      call NhlFRLSetFloat(srlist,'cnMaxLevelValF',110.0,ierr)
      call NhlFRLSetFloat(srlist,'cnLevelSpacingF',10.0,ierr)
      call NhlFRLSetString(srlist,'cnFillOn','True',ierr)
      call NhlFRLSetString(srlist,'cnMonoFillPattern','True',ierr)
      call NhlFRLSetInteger(srlist,'cnFillPatterns',0,ierr)
      call NhlFRLSetFloat(srlist,'trXMinF',-140.0,ierr)
      call NhlFRLSetFloat(srlist,'trXMaxF',-52.5,ierr)
      call NhlFRLSetFloat(srlist,'trYMinF',20.0,ierr)
      call NhlFRLSetFloat(srlist,'trYMaxF',60.0,ierr)
      call NhlFRLSetString(srlist,'tiMainFuncCode','#',ierr)
      call NhlFRLSetString(srlist,'tiMainString',full_title,ierr)
      call NhlFRLSetFloat(srlist,'tiMainFontHeightF',0.02,ierr)
      call NhlFRLSetString(srlist,'tiXAxisString',lon_name,ierr)
      call NhlFRLSetString(srlist,'tiYAxisString',lat_name,ierr)
      call NhlFRLSetString(srlist,'tmXBMode','EXPLICIT',ierr)
      call NhlFRLSetIntegerArray(srlist,'tmXBValues',xbvalues,6,ierr)
      call NhlFRLSetStringArray(srlist,'tmXBLabels',xblabels,6,ierr)
      call NhlFRLSetString(srlist,'tmYLMode','EXPLICIT',ierr)
      call NhlFRLSetIntegerArray(srlist,'tmYLValues',ylvalues,5,ierr)
      call NhlFRLSetStringArray(srlist,'tmYLLabels',yllabels,5,ierr)
      call NhlFRLSetString(srlist,'cnLowLabelsOn','True',ierr)
      call NhlFRLSetString(srlist,'cnHighLabelsOn','True',ierr)
      call NhlFRLSetString(srlist,'tmXMajorGrid','True',ierr)
      call NhlFRLSetString(srlist,'tmYMajorGrid','True',ierr)
      call NhlFRLSetString(srlist,'tmXBMinorOn','False',ierr)
      call NhlFRLSetString(srlist,'tmYLMinorOn','False',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 on remaining time steps.
C
      do 60 i = 2,frtimelen
C
C Read in new section of T.
C
         start(1) = 1
         start(2) = 1
         start(3) = 1
         start(4) = i
         count(1) = lonlen
         count(2) = latlen
         count(3) = 1
         count(4) = 1
         call ncvgt(ncid,T_id,start,count,T,ierr)
C
C Convert T from Degrees K to Degrees F.
C
         call KtoF(T)
C
C Create new scalar field.
C
         call NhlFRLClear(srlist)
         count(1) = lonlen
         count(2) = latlen
         call NhlFRLSetMDFloatArray(srlist,'sfDataArray',T,2,count,
     +        ierr)
         call NhlFSetValues(field1,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

      subroutine KtoF(T)
      parameter(NLON=36,NLAT=33)
      real T(NLON,NLAT)
C
C Convert T from Degrees K to Degrees F.
C
      do 100 i = 1,NLON
        do 90 j = 1,NLAT
           T(i,j) = (T(i,j)-273.15) * 9./5. + 32.
 90     continue
 100    continue
        return
        end