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76 lines
2.5 KiB
76 lines
2.5 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 GRSYMB (LINTYP, ISYTYP, INDX)
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C=======================================================================
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C --*** GRSYMB *** (GRPLIB) Set line type and symbol (PLT)
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C -- Written by Amy Gilkey - revised 02/14/86
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C --
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C --GRSYMB must first be called with a negative index to initialize
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C --the number of colors to be used (including black and white).
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C --
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C --GRSYMB sets the line type and symbol for PLTGRH depending on the
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C --passed index. The line type and symbol are chosen consecutively
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C --(see LINTYP, ISYTYP), wrapping around if necessary.
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C --
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C --Parameters:
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C -- LINTYP - IN - the line type:
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C -- 0 = no line
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C -- -n = vary line type (on INDX)
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C -- n = line type n
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C -- ISYTYP - IN - the symbol type:
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C -- 0 = no symbol
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C -- -n = vary symbol type (on INDX)
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C -- n = symbol n
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C -- INDX - IN - the line type and symbol index
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C --Routines Called:
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C -- PLTSTG - (PLTLIB) Set graph parameter
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C -- 6 = (KCOLIN) set line color for PLTGRH lines
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C -- 44 = (KCOSYM) set symbol color for PLTGRH lines
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C -- 5 = (KONLIN) set line type for PLTGRH lines
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C -- 7 = (KONSYM) set symbol for PLTGRH lines
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PARAMETER (KCOLOR=1)
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PARAMETER (KCOLIN=6, KCOSYM=44, KONLIN=5, KONSYM=7)
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PARAMETER (NUMLIN=6, NUMSYM=6)
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C --NUMLIN - the number of line types
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C --NUMSYM - the number of symbols
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INTEGER INDX
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LOGICAL LDUM, PLTSTG
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INTEGER LSTLIN, LSTSYM
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SAVE LSTLIN, LSTSYM
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C --LSTLIN - the last line type set
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C --LSTSYM - the last symbol set
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DATA LSTLIN, LSTSYM / -999, -999 /
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IF ((LINTYP .LE. -1) .OR. (LINTYP .NE. LSTLIN)) THEN
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IF (LINTYP .LE. -1) THEN
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ILIN = MOD (INDX-1, NUMLIN) + 1
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ELSE
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ILIN = MIN (LINTYP, NUMLIN)
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END IF
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LDUM = PLTSTG (KONLIN,1.0*ILIN)
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LSTLIN = ILIN
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END IF
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IF ((ISYTYP .LE. -1) .OR. (ISYTYP .NE. LSTSYM)) THEN
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IF (ISYTYP .LE. -1) THEN
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ISYM = MOD (INDX-1, NUMSYM) + 1
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ELSE
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ISYM = MIN (ISYTYP, NUMSYM)
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END IF
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LDUM = PLTSTG (KONSYM, 1.0*ISYM)
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LSTSYM = ISYM
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END IF
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RETURN
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END
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