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64 lines
2.0 KiB
64 lines
2.0 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 ZOOMND( XN, YN, ZN, ZMMESH)
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C=======================================================================
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C --*** NODEZM *** (MESH) ZOOM WINDOW TO TRACK A NODE
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C -- Written by RAY J. Meyers 20 June, 1990
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C --
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C -- NODEZM repositions the zoom window to be centered on the selected
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C -- node or x,y,z position for each rendering
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C --
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C --Parameters:
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C -- XN - IN - THE ROTATED, DEFORMED X COORDINATES
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C -- YN - IN - THE ROTATED, DEFORMED Y COORDINATES
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C -- ZN - IN - THE ROTATED, DEFORMED Z COORDINATES
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C -- ZMMESH - OUT - THE NEW ZOOM MESH WINDOW COORDINATES
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C -- NOTE: IF NODEZM =0, THE ROUTINE USES XZM,YZM,ZZM INSTEAD OF
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C -- XN,YN,ZN
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C --
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C --
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C --Common Variables:
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C -- Uses XZM,YZM,ZZM,RADZM,NODEZM OF /NODZOM /
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C=======================================================================
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PARAMETER (KLFT=1, KRGT=2, KBOT=3, KTOP=4, KNEA=5, KFAR=6)
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REAL ZMMESH(KTOP)
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REAL XN(*), YN(*), ZN(*)
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include 'nodzom.blk'
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include 'rotopt.blk'
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include 'd3nums.blk'
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C FOR NODE TRACKING MODE, GET THE WINDOW CENTER COORDS FOR THE NODE
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IF( NODEZM .NE. 0) THEN
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XCEN = XN(NODEZM)
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YCEN = YN(NODEZM)
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C -- FOR X,Y,Z MODE, ROTATE XZM,YZM,ZZM COORDS
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ELSE
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IF(IS3DIM) THEN
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CALL BL_ROTATE(1, 1, ROTMAT, ROTCEN, XZM, YZM, ZZM,
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& XCEN, YCEN, ZCEN)
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ELSE
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XCEN = XZM
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YCEN = YZM
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END IF
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END IF
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C -- CALCULATE WINDOW EXTENTS
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ZMMESH(KLFT) = XCEN - RADZM
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ZMMESH(KRGT) = XCEN + RADZM
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ZMMESH(KBOT) = YCEN - RADZM
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ZMMESH(KTOP) = YCEN + RADZM
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RETURN
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END
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