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113 lines
3.8 KiB
113 lines
3.8 KiB
2 years ago
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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 ADJLIM (MSHDEF,
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& XISSYM, YISSYM, LFTSYM, BOTSYM, XAXSYM, YAXSYM,
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& SQUARE, RDMESH, ZMMESH)
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C=======================================================================
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C --*** ADJLIM *** (MESH) Adjust zoom mesh limits
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C -- Written by Amy Gilkey - revised 05/26/88
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C --
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C --ADJLIM adjusts the zoom window to make a (square) window centered on
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C --the user-requested limits. If there are symmetric views, the center
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C --is the symmetry axis. The zoom mesh limits may be adjusted to take
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C --account of the fact that one axis may be twice as long as the other
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C --axis in 2-view plots.
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C --
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C --On a 2-view plot, a check is made to see if the "short" limits
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C --can be made half as long. This occurs if the user-specified window
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C --can be fit within the given "short" window.
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C --
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C --Parameters:
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C -- MSHDEF - IN - the display modes for all views (none/defined)
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C -- (as in /MSHOPT/)
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C -- XISSYM - IN - true iff X views are symmetric vs copies
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C -- (false if X not divided)
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C -- YISSYM - IN - true iff Y views are symmetric vs copies
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C -- (false if Y not divided)
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C -- LFTSYM - IN - true iff symmetry line to left of main view
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C -- BOTSYM - IN - true iff symmetry line to bottom of main view
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C -- XAXSYM - IN - the vertical symmetry axis
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C -- YAXSYM - IN - the horizontal symmetry axis
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C -- SQUARE - IN - true iff window limits must be square
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C -- RDMESH - IN - the user-requested window limits
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C -- (left, right, bottom, top)
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C -- ZMMESH - OUT - the window limits (may be RDMESH)
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C -- (left, right, bottom, top)
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PARAMETER (KLFT=1, KRGT=2, KBOT=3, KTOP=4)
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CHARACTER*(*) MSHDEF(4)
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LOGICAL XISSYM, YISSYM, LFTSYM, BOTSYM
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LOGICAL SQUARE
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REAL RDMESH(KTOP), ZMMESH(KTOP)
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IF (XISSYM) THEN
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IF (LFTSYM) THEN
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XRNG = RDMESH(KRGT) - XAXSYM
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ELSE
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XRNG = XAXSYM - RDMESH(KLFT)
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END IF
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ELSE
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XRNG = RDMESH(KRGT) - RDMESH(KLFT)
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END IF
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IF (YISSYM) THEN
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IF (BOTSYM) THEN
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YRNG = RDMESH(KTOP) - YAXSYM
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ELSE
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YRNG = YAXSYM - RDMESH(KBOT)
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END IF
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ELSE
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YRNG = RDMESH(KTOP) - RDMESH(KBOT)
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END IF
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IF (SQUARE) THEN
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RNG = MAX (XRNG, YRNG)
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IF ((MSHDEF(1) .NE. 'NONE') .AND. (MSHDEF(3) .EQ. 'NONE')) THEN
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IF (XRNG .LE. 0.51*RNG) RNG = 0.5*RNG
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END IF
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ELSE
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RNG = XRNG
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END IF
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IF (XISSYM) THEN
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IF (LFTSYM) THEN
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ZMMESH(KLFT) = XAXSYM
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ZMMESH(KRGT) = ZMMESH(KLFT) + RNG
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ELSE
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ZMMESH(KRGT) = XAXSYM
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ZMMESH(KLFT) = ZMMESH(KRGT) - RNG
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END IF
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ELSE
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ZMMESH(KLFT) = 0.5 * (RDMESH(KRGT) + RDMESH(KLFT) - RNG)
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ZMMESH(KRGT) = ZMMESH(KLFT) + RNG
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END IF
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IF (SQUARE) THEN
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RNG = MAX (XRNG, YRNG)
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IF ((MSHDEF(4) .NE. 'NONE') .AND. (MSHDEF(3) .EQ. 'NONE')) THEN
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IF (YRNG .LE. 0.51*RNG) RNG = 0.5*RNG
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END IF
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ELSE
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RNG = YRNG
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END IF
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IF (YISSYM) THEN
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IF (BOTSYM) THEN
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ZMMESH(KBOT) = YAXSYM
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ZMMESH(KTOP) = ZMMESH(KBOT) + RNG
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ELSE
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ZMMESH(KTOP) = YAXSYM
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ZMMESH(KBOT) = ZMMESH(KTOP) - RNG
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END IF
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ELSE
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ZMMESH(KBOT) = 0.5 * (RDMESH(KTOP) + RDMESH(KBOT) - RNG)
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ZMMESH(KTOP) = ZMMESH(KBOT) + RNG
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END IF
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RETURN
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END
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