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C $Id: pltd2p.f,v 1.1 1993/07/16 16:47:59 gdsjaar Exp $
C $Log: pltd2p.f,v $
C Revision 1.1  1993/07/16 16:47:59  gdsjaar
C Changed plt to library rather than single source file.
C
C=======================================================================
      SUBROUTINE PLTD2P(XD,YD,XP,YP)
      REAL DEVCAP(23)
      REAL DEFOUT(7)
      COMMON /STATUS/DEVCAP,DEFOUT
      REAL DEVP(5)
      COMMON /DEVICE/DEVP
      REAL COLP(3)
      REAL PALETT(3,16)
      COMMON /COLOR/COLP,PALETT
      REAL TEXTP(40)
      COMMON /TEXT/TEXTP
      REAL VECTP(5)
      REAL XCUR
      REAL YCUR
      COMMON /VECTRC/VECTP,XCUR,YCUR
      INTEGER IDEX(200,2)
      INTEGER NVECT(200,2)
      REAL XSIZE(200,2)
      REAL YSIZE(200,2)
      REAL X0(2300,2)
      REAL Y0(2300,2)
      REAL X1(2300,2)
      REAL Y1(2300,2)
      COMMON /FONT/IDEX,NVECT,XSIZE,YSIZE,X0,Y0,X1,Y1
      REAL GRAPHP(100)
      COMMON /GRAPH/GRAPHP
      COMMON /MAPPAR/MAPP(11)
      REAL MAPP
      COMMON /STORAG/MEMORY(1000)
      DATA DTR/.01745329/

      THETA = MAPP(5)*DTR
      SINT = SIN(THETA)
      COST = COS(THETA)
      A = (XD-MAPP(6))* (DEVP(4)/ (MAPP(8)-MAPP(6))) - DEVP(4)/2. -
     *    MAPP(3)
      B = (YD-MAPP(7))* (DEVP(5)/ (MAPP(9)-MAPP(7))) - DEVP(5)/2. -
     *    MAPP(4)
      XP = (A*COST+B*SINT)/MAPP(1) + DEVP(4)/2.
      YP = (B*COST-A*SINT)/MAPP(2) + DEVP(5)/2.
      RETURN

      END
