/usr/share/ncarg/hluex/primitives/pr04f.f is in libncarg-data 6.3.0-6build1.
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C $Id: pr04f.f,v 1.6 2010-03-15 22:49:24 haley Exp $
C
C***********************************************************************
C *
C Copyright (C) 1996 *
C University Corporation for Atmospheric Research *
C All Rights Reserved *
C *
C***********************************************************************
C
C File: pr04f.f
C
C Author: David Brown (converted by Mary Haley)
C National Center for Atmospheric Research
C PO 3000, Boulder, Colorado
C
C Date: Fri Jun 28 11:06:23 MDT 1996
C
C Description: Demonstrates graphics primitives drawn in NDC and
C and data space into an IrregularPlot (and therefore
C using the IrregularTransformation).
C
external NhlFAppClass
external NhlFNcgmWorkstationClass
external NhlFPSWorkstationClass
external NhlFPDFWorkstationClass
external NhlFCairoPSPDFWorkstationClass
external NhlFCairoImageWorkstationClass
external NhlFCairoWindowWorkstationClass
external NhlFirregularPlotClass
integer rlist,grlist
integer appid,wid,canvas
integer i
real plx(5),ply(5),pmx(4),pmy(4),pgx(4),pgy(4)
real dpgx(7),dpgy(7)
data plx/0.1,0.9,0.5,0.1,0./
data ply/0.1,0.1,0.9,0.1,0./
data pmx/0.05,0.95,0.5,0.5/
data pmy/0.05,0.05,1.05,0.5/
data pgx/0.2,0.8,0.5,0.2/
data pgy/0.25,0.25,0.85,0.25/
data dpgx/5.0,110.0,110.0,0.0,110.0,5.0,5.0/
data dpgy/10.,10.,20.0,20.,110.,110.,10.0/
character*7 wks_type
C
C Define the workstation type
C
wks_type = "x11"
C
C Initialize the high level utility library
C
call NhlFInitialize()
C
C Create an application context. Set the app dir to the current
C directory so the application looks for a resource file in the working
C directory.
C
call NhlFRLCreate(rlist,'SETRL')
call NhlFRLCreate(grlist,'GETRL')
call NhlFRLClear(rlist)
call NhlFRLSetString(rlist,'appUsrDir','./',ierr)
call NhlFCreate(appid,'pr04',NhlFappClass,
1 0,rlist,ierr)
if (wks_type.eq."ncgm".or.wks_type.eq."NCGM") then
C
C Create a meta file workstation.
C
call NhlFRLClear(rlist)
call NhlFRLSetString(rlist,'wkMetaName','./pr04f.ncgm',ierr)
call NhlFCreate(wid,'pr04Work',NhlFncgmWorkstationClass,
1 0,rlist,ierr)
else if (wks_type.eq."x11".or.wks_type.eq."X11") then
C
C Create an X workstation.
C
call NhlFRLClear(rlist)
call NhlFRLSetInteger(rlist,'wkPause','true',ierr)
call NhlFCreate(wid,'pr04Work',
1 NhlFCairoWindowWorkstationClass,
1 appid,rlist,ierr)
else if (wks_type.eq."oldps".or.wks_type.eq."OLDPS") then
C
C Create an older-style PS workstation.
C
call NhlFRLClear(rlist)
call NhlFRLSetString(rlist,'wkPSFileName','./pr04f.ps',ierr)
call NhlFCreate(wid,'pr04Work',NhlFpsWorkstationClass,
1 appid,rlist,ierr)
else if (wks_type.eq."oldpdf".or.wks_type.eq."OLDPDF") then
C
C Create an older-style PDF workstation.
C
call NhlFRLClear(rlist)
call NhlFRLSetString(rlist,'wkPDFFileName','./pr04f.pdf',ierr)
call NhlFCreate(wid,'pr04Work',NhlFpdfWorkstationClass,
1 appid,rlist,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(rlist)
call NhlFRLSetString(rlist,'wkFormat',wks_type,ierr)
call NhlFRLSetString(rlist,'wkFileName','./pr04f',ierr)
call NhlFCreate(wid,'pr04Work',
1 NhlFCairoPSpdfWorkstationClass,appid,rlist,ierr)
else if (wks_type.eq."png".or.wks_type.eq."PNG") then
C
C Create a cairo PNG workstation.
C
call NhlFRLClear(rlist)
call NhlFRLSetString(rlist,'wkFormat',wks_type,ierr)
call NhlFRLSetString(rlist,'wkFileName','./pr04f',ierr)
call NhlFCreate(wid,'pr04Work',
1 NhlFCairoImageWorkstationClass,appid,rlist,ierr)
endif
C
C Create an IrregularPlot that covers the entire NDC space
C to use as a drawing canvas
C
call NhlFRLClear(rlist)
call NhlFRLSetFloat(rlist,'vpXF',0.1,ierr)
call NhlFRLSetFloat(rlist,'vpYF',0.9,ierr)
call NhlFRLSetFloat(rlist,'vpWidthF',0.8,ierr)
call NhlFRLSetFloat(rlist,'vpHeightF',0.8,ierr)
call NhlFRLSetString(rlist,'pmTitleDisplayMode','always',ierr)
call NhlFRLSetString(rlist,'tiMainString',
+ 'Irregular Plot with NDC Primitives',ierr)
call NhlFCreate(canvas,'canvas',NhlFirregularPlotClass,wid,rlist,
+ ierr)
call NhlFDraw(canvas,ierr)
call NhlFNDCPolyline(canvas,0,plx,ply,4,ierr)
call NhlFNDCPolygon(canvas,0,pgx,pgy,4,ierr)
call NhlFNDCPolymarker(canvas,0,pmx,pmy,4,ierr)
call NhlFFrame(wid,ierr)
do 20 i=1,4
plx(i) = plx(i) * 100.0 + 50.
ply(i) = ply(i) * 100.0 + 50.
pgx(i) = pgx(i) * 100.0 + 50.
pgy(i) = pgy(i) * 100.0 + 50.
pmx(i) = pmx(i) * 100.0 + 50.
pmy(i) = pmy(i) * 100.0 + 50.
20 continue
call NhlFRLClear(rlist)
call NhlFRLSetString(rlist,'tiMainString',
+ 'Clipped Data Space Primitives',ierr)
call NhlFSetValues(canvas,rlist,ierr)
call NhlFDraw(canvas,ierr)
call NhlFDataPolyline(canvas,0,plx,ply,4,ierr)
call NhlFDataPolymarker(canvas,0,pmx,pmy,4,ierr)
call NhlFDataPolygon(canvas,0,pgx,pgy,4,ierr)
call NhlFFrame(wid,ierr)
do 30 i=1,4
plx(i) = plx(i) - 40.
ply(i) = ply(i) - 40.
pgx(i) = pgx(i) - 40.
pgy(i) = pgy(i) - 40.
pmx(i) = pmx(i) - 40.
pmy(i) = pmy(i) - 40.
30 continue
call NhlFRLClear(rlist)
call NhlFRLSetString(rlist,'tiMainString',
+ 'Data Space Primitives Repositioned',ierr)
call NhlFSetValues(canvas,rlist,ierr)
call NhlFDraw(canvas,ierr)
call NhlFDataPolyline(canvas,0,plx,ply,4,ierr)
call NhlFDataPolymarker(canvas,0,pmx,pmy,4,ierr)
call NhlFDataPolygon(canvas,0,pgx,pgy,4,ierr)
call NhlFFrame(wid,ierr)
call NhlFRLClear(rlist)
call NhlFRLSetString(rlist,'tiMainString',
+ 'A Diamond in Data Space',ierr)
call NhlFSetValues(canvas,rlist,ierr)
call NhlFDraw(canvas,ierr)
plx(1) = 10.0
plx(2) = 50.0
plx(3) = 90.0
plx(4) = 50.0
plx(5) = 10.0
ply(1) = 50.0
ply(2) = 10.0
ply(3) = 50.0
ply(4) = 90.0
ply(5) = 50.0
call NhlFDataPolygon(canvas,0,plx,ply,4,ierr)
plx(1) = 5.0
plx(3) = 95.0
plx(5) = 5.0
ply(2) = 5.0
ply(4) = 95.0
call NhlFDataPolyline(canvas,0,plx,ply,5,ierr)
call NhlFFrame(wid,ierr)
call NhlFRLClear(rlist)
call NhlFRLSetString(rlist,'tiMainString',
+ 'A Self-Intersecting Data Polygon',ierr)
call NhlFSetValues(canvas,rlist,ierr)
call NhlFDraw(canvas,ierr)
call NhlFDataPolygon(canvas,0,dpgx,dpgy,7,ierr)
call NhlFFrame(wid,ierr)
call NhlFClose()
stop
end
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