CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC 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 NhlFXWorkstationClass external NhlfTextItemclass integer appid, wid, pid, rlist, ierr real height, angle, dtr real bkg_color(3) real x_coord, y_coord integer NCGM, X11, PS 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 NCGM=0 X11=1 PS=0 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 (NCGM .eq. 1) 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 (X11 .eq. 1) 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', & NhlFXWorkstationClass,0, rlist,ierr) else if (PS .eq. 1) then C C Create a 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) 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