/usr/share/ncarg/hluex/textitem/tx05f.f is in libncarg-data 6.4.0-9.
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C C
C Copyright (C) 1995 C
C University Corporation for Atmospheric Research C
C All Rights Reserved C
C C
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
C
C File: tx05f.f
C
C Author: Fred Clare (converted to Fortran by David
C Younghans)
C National Center for Atmospheric Research
C PO 3000, Boulder, Colorado
C (translated to Fortran by David Younghans)
C
C Date: Tue Nov 21 15:55 MST 1995
C
C Description: Demonstrates the TextItem object with text having
C various heights and at various angles.
C
program tx05f
implicit none
external NhlFAppClass
external NhlFNcgmWorkstationClass
external NhlFPSWorkstationClass
external NhlFPDFWorkstationClass
external NhlFCairoPSPDFWorkstationClass
external NhlFCairoImageWorkstationClass
external NhlFCairoWindowWorkstationClass
external NhlfTextItemclass
integer appid, wid, pid, rlist, ierr
real height, angle, dtr
real bkg_color(3)
real x_coord, y_coord
character*7 wks_type
dtr=0.017453292519943
bkg_color(1)=1.0
bkg_color(2)=1.0
bkg_color(3)=1.0
C
C Set the display. Default is to dispaly output to an X workstation.
C
wks_type = "x11"
C
C Initialize the high level utility library and create application.
C
call NhlFInitialize
call NhlFRLCreate(rlist,'SETRL')
call NhlFRLClear(rlist)
call NhlFRLSetString(rlist,'appUsrDir','./',ierr)
call NhlFRLSetString(rlist,'appDefaultParent','True',ierr)
call NhlFCreate(appid,'tx05f',NhlFAppClass,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','./tx05f.ncgm',ierr)
call NhlFRLSetFloatArray(rlist,'wkBackgroundColor',
& bkg_color,3,ierr)
call NhlFCreate(wid,'tx05Work',NhlFNcgmWorkstationClass,
& 0,rlist,ierr)
else if (wks_type.eq."x11".or.wks_type.eq."X11") then
C
C Create an XWorkstation object.
C
call NhlFRLClear(rlist)
call NhlFRLSetInteger(rlist,'wkPause','True',ierr)
call NhlFRLSetFloatArray(rlist,'wkBackgroundColor',
& bkg_color,3,ierr)
call NhlFCreate(wid,'t x 0 5 W o r leftk',
& NhlFCairoWindowWorkstationClass,0, 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',
& './tx05f.ps',ierr)
call NhlFRLSetFloatArray(rlist,'wkBackgroundColor',
& bkg_color,3,ierr)
call NhlFCreate(wid,'tx05Work',NhlFpsWorkstationClass,
& 0,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',
& './tx05f.pdf',ierr)
call NhlFRLSetFloatArray(rlist,'wkBackgroundColor',
& bkg_color,3,ierr)
call NhlFCreate(wid,'tx05Work',NhlFpdfWorkstationClass,
& 0,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,'wkFileName',
& './tx05f',ierr)
call NhlFRLSetString(rlist,'wkFormat',wks_type,ierr)
call NhlFRLSetFloatArray(rlist,'wkBackgroundColor',
& bkg_color,3,ierr)
call NhlFCreate(wid,'tx05Work',
& NhlFCairoPSpdfWorkstationClass,0,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,'wkFileName',
& './tx05f',ierr)
call NhlFRLSetString(rlist,'wkFormat',wks_type,ierr)
call NhlFRLSetFloatArray(rlist,'wkBackgroundColor',
& bkg_color,3,ierr)
call NhlFCreate(wid,'tx05Work',
& NhlFCairoImageWorkstationClass,0,rlist,ierr)
endif
C
C Create a TextItem object.
C
call NhlFSetColor(wid,1, 0.0, 0.0, 1.0,ierr)
call NhlFSetColor(wid,2, 0.4, 0.0, 0.4,ierr)
call NhlFCreate(pid,'TextItems',NhlFTextItemClass,wid,0,ierr)
C
C Set text font and string.
C
call NhlFRLClear(rlist)
call NhlFRLSetInteger(rlist,'txFont',22,ierr)
call NhlFRLSetString(rlist,'txString', 'NCAR',ierr)
call NhlFSetValues(pid,rlist,ierr)
C
C Draw string with various heights and at various angles.
C
angle = 0.0
100 if (angle .lt. 136.) then
x_coord = 0.3 + 0.4*cos(dtr*angle)
y_coord = 0.2 + 0.4*sin(dtr*angle)
height = 0.0005*(136.-angle)
call NhlFRLClear(rlist)
call NhlFRLSetFloat(rlist,'txAngleF', angle,ierr)
call NhlFRLSetFloat(rlist,'txPosXF', x_coord,ierr)
call NhlFRLSetFloat(rlist,'txPosYF', y_coord,ierr)
call NhlFRLSetFloat(rlist,'txFontHeightF', height,ierr)
call NhlFSetValues(pid,rlist,ierr)
call NhlFDraw(pid,ierr)
if (210.*height .gt. 1.) then
angle = angle + 210.*height
else
angle = angle + 1.
endif
goto 100
endif
C
C Text strings at specific angles.
C
call NhlFRLClear(rlist)
call NhlFRLSetFloat(rlist,'txAngleF', 180.0,ierr)
call NhlFRLSetInteger(rlist,'txFont' ,22,ierr)
call NhlFRLSetInteger(rlist,'txFontColor' ,1,ierr)
call NhlFRLSetFloat(rlist,'txFontHeightF', 0.04,ierr)
call NhlFRLSetFloat(rlist,'txPosXF', 0.25,ierr)
call NhlFRLSetFloat(rlist,'txPosYF', 0.34,ierr)
call NhlFRLSetString(rlist,'txString', 'NCAR',ierr)
call NhlFSetValues(pid,rlist,ierr)
call NhlFDraw(pid,ierr)
call NhlFRLSetInteger(rlist,'txFontColor' ,2,ierr)
call NhlFRLSetFloat(rlist,'txFontHeightF', 0.03,ierr)
call NhlFRLSetFloat(rlist,'txAngleF', 0.0,ierr)
call NhlFRLSetFloat(rlist,'txPosYF', 0.4,ierr)
call NhlFRLSetString(rlist,'txString', '180 degrees',ierr)
call NhlFSetValues(pid,rlist,ierr)
call NhlFDraw(pid,ierr)
call NhlFRLClear(rlist)
call NhlFRLSetFloat(rlist,'txAngleF', -45.0,ierr)
call NhlFRLSetInteger(rlist,'txFont' ,22,ierr)
call NhlFRLSetInteger(rlist,'txFontColor' ,1,ierr)
call NhlFRLSetFloat(rlist,'txFontHeightF', 0.04,ierr)
call NhlFRLSetFloat(rlist,'txPosXF', 0.7,ierr)
call NhlFRLSetFloat(rlist,'txPosYF', 0.6,ierr)
call NhlFRLSetString(rlist,'txString', 'NCAR',ierr)
call NhlFSetValues(pid,rlist,ierr)
call NhlFDraw(pid,ierr)
call NhlFRLSetInteger(rlist,'txFontColor' ,2,ierr)
call NhlFRLSetFloat(rlist,'txAngleF', 0.0,ierr)
call NhlFRLSetFloat(rlist,'txFontHeightF', 0.03,ierr)
call NhlFRLSetFloat(rlist,'txPosXF', 0.73,ierr)
call NhlFRLSetFloat(rlist,'txPosYF', 0.65,ierr)
call NhlFRLSetInteger(rlist,'txJust' ,1,ierr)
call NhlFRLSetString(rlist,'txString', '-45 degrees',ierr)
call NhlFSetValues(pid,rlist,ierr)
call NhlFDraw(pid,ierr)
C
C Label the plot.
C
call NhlFRLClear(rlist)
call NhlFRLSetFloat(rlist,'txAngleF', 0.0,ierr)
call NhlFRLSetInteger(rlist,'txFont' ,25,ierr)
call NhlFRLSetInteger(rlist,'txJust' ,1,ierr)
call NhlFRLSetInteger(rlist,'txFontColor' ,2,ierr)
call NhlFRLSetFloat(rlist,'txFontHeightF', 0.05,ierr)
call NhlFRLSetFloat(rlist,'txPosXF', 0.2,ierr)
call NhlFRLSetFloat(rlist,'txPosYF', 0.84,ierr)
call NhlFRLSetString(rlist,'txString', 'Text heights &',ierr)
call NhlFSetValues(pid,rlist,ierr)
call NhlFDraw(pid,ierr)
call NhlFRLSetFloat(rlist,'txPosYF', 0.76,ierr)
call NhlFRLSetString(rlist,'txString', 'Text angles',ierr)
call NhlFSetValues(pid,rlist,ierr)
call NhlFDraw(pid,ierr)
call NhlFFrame(wid,ierr)
call NhlFDestroy(pid,ierr)
call NhlFDestroy(wid,ierr)
call NhlFClose
stop
end
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