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85 lines
2.6 KiB
85 lines
2.6 KiB
C Copyright(C) 1999-2020 National Technology & Engineering Solutions
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C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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C NTESS, the U.S. Government retains certain rights in this software.
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C
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C See packages/seacas/LICENSE for details
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C=======================================================================
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SUBROUTINE MPD2PG(N,XV,YV,MODE)
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COMMON /MAP/MODEL(4,4),VIEW(4,4),PROJ(4,4),CPNEAR,CPFAR,VWPORT(4),
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* MVP(4,4),VP(4,4),CPLINE(2,2,10),CPPLAN(2,3,10),PEYE(3),
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* PLOOK(3),ETWIST,NCPLIN,NCPLAN,TMAT1(4,4),TMAT2(4,4),
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* TMAT3(4,4),TVEC1(4),TVEC2(4),TVEC3(4),TVEC4(4),TARR1(32),
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* TARR2(32),TARR3(32),TARR4(32),TARR5(32),TARR6(32),
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* TARR7(32),TARR8(32)
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REAL MODEL,MVP
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LOGICAL NOCLIP
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DIMENSION C1(2),C2(2),XV(*),YV(*)
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CHARACTER MODE* (*),TMODE*1
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IF (N.GT.32) THEN
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CALL PLTFLU
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CALL SIORPT('MPD2PG','Too many vertices specified',2)
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RETURN
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END IF
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TMODE = MODE
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CALL CHRDN(TMODE,TMODE)
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VCX = (VWPORT(1)+VWPORT(2))/2.
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VSX = (VWPORT(2)-VWPORT(1))/2.
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VCY = (VWPORT(3)+VWPORT(4))/2.
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VSY = (VWPORT(4)-VWPORT(3))/2.
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NOCLIP = (NCPLIN.EQ.0)
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IF (NOCLIP) THEN
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CALL MPMUL2(N,XV,YV,MVP,TARR1,TARR2,TARR3,TARR4)
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NO = N
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ELSE
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CALL MPMUL2(N,XV,YV,MODEL,TARR1,TARR2,TARR3,TARR4)
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DO 2460 K = 1,NCPLIN
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C1(1) = CPLINE(1,1,K)
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C1(2) = CPLINE(1,2,K)
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C2(1) = CPLINE(2,1,K)
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C2(2) = CPLINE(2,2,K)
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NO = 32
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CALL PLTCG2(N,TARR1,TARR2,NO,TARR5,TARR6,C1,C2)
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2460 CONTINUE
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IF (NO.GT.N) THEN
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DO 2480 J = N + 1,NO
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TARR4(J) = 1.
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2480 CONTINUE
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END IF
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CALL MPMUL4(NO,-1,TARR5,TARR6,TARR3,TARR4,VP,TARR1,TARR2,TARR3,
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* TARR4)
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END IF
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DO 2500 I = 1,NO
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TARR1(I) = (TARR1(I)/TARR4(I))*VSX + VCX
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TARR2(I) = (TARR2(I)/TARR4(I))*VSY + VCY
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2500 CONTINUE
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C1(1) = VWPORT(1)
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C1(2) = VWPORT(3)
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C2(1) = VWPORT(2)
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C2(2) = VWPORT(4)
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NVO = 32
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CALL PLTVWG(C1,C2,NO,TARR1,TARR2,TARR3,NVO,TARR5,TARR6,TARR7)
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IF (TMODE.EQ.'s') THEN
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CALL PLTPLY(NVO,TARR5,TARR6)
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ELSE IF (TMODE.EQ.'o') THEN
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CALL PLTMOV(TARR5(1),TARR6(1))
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DO 2520 J = 2,NVO
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CALL PLTDRW(TARR5(J),TARR6(J))
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2520 CONTINUE
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CALL PLTDRW(TARR5(1),TARR6(1))
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ELSE
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CALL PLTFLU
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CALL SIORPT('MPD2PG','Unrecognized drawing mode: '//TMODE,2)
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END IF
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RETURN
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END
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