rotate.f

Intro/: Directory containing introductory examples. HelloWorld.c A simple program that draws a bo

$alias fdopen='fdopen'(%val,%ref)
      include 'phigs.f1.h'			! get the HP-PHIGS aliases
      program Rotate				! file "Rotate.f"
      include 'phigs.f2.h'			! get the HP-PHIGS constants

      integer*4	WorkstnID			! workstation identifier
      parameter (WorkstnID=1)			! value chosen by the user
      integer*4	ConnID				! connection identifier
      integer*4	WorkstnType			! workstation type
      parameter (WorkstnType=POIDDX)		! out/in, direct, dbl bfr, X
      integer*4	Angle				! current rotation angle
      character*20	String			! string holder
      integer*4 fdopen				! to get file descriptor

      real	rad, deg			! type the statement function
      rad(deg)=	((deg)*3.14159265358979/180.)	! convert degrees to radians

      call popph(fdopen(fnum(7), 'w'//char(0)), 0)	! open phigs
      call pue004('/dev/screen/phigs_window', ConnID)	! get connection ID
      call popwk(WorkstnID, ConnID, WorkstnType)! open workstation
      call popst(1)				! open display list structure
      call pschh(0.035)				! set character size
      call pstxal(PALEFT, PAHALF)		! set text alignment
      do Angle=0,345,15				! every 15 degrees
          write(unit=String, fmt='("-----Angle=",i3)') Angle
          call pschup(cos(rad(real(angle))),sin(rad(real(Angle))))
          call ptx(.5, .5, String)
      end do
      call pclst				! close display list structure
      call ppost(WorkstnID, 1, 1.)		! send picture to display
      call puwk(WorkstnID, PPERFO)		! update the workstation
      call pclwk(WorkstnID)			! close workstation
      call pclph				! close phigs
      stop					! stop processing
      end					! end of program