scanor.F

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!||====================================================================
!||    scanor         ../engine/source/output/anim/generate/scanor.F
!||--- called by ------------------------------------------------------
!||    genani         ../engine/source/output/anim/generate/genani.F
!||    genh3d         ../engine/source/output/h3d/h3d_results/genh3d.F
!||--- calls      -----------------------------------------------------
!||    spmd_min_max   ../engine/source/mpi/anim/spmd_min_max.F
!||====================================================================
      SUBROUTINE scanor(X,D,CDG,XMIN,YMIN,ZMIN,XMAX,YMAX,ZMAX,SCALE,
     .                  WEIGHT)
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "com01_c.inc"
#include      "com04_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER WEIGHT(*)
      my_real :: x(3,*),d(3,*),cdg(*),xmin,ymin,zmin,xmax,ymax,zmax, scale
      my_real :: dx,dy,dz
      INTEGER  N
C-----------------------------------------------
      xmin = ep30
      ymin = ep30
      zmin = ep30
      xmax = -ep30
      ymax = -ep30
      zmax = -ep30      
 
       DO n=1,numnod
         IF (weight(n)==1) THEN
          xmin = min(xmin,(x(1,n)-d(1,n)))
          ymin = min(ymin,(x(2,n)-d(2,n)))
          zmin = min(zmin,(x(3,n)-d(3,n)))
          xmax = max(xmax,(x(1,n)-d(1,n)))
          ymax = max(ymax,(x(2,n)-d(2,n)))
          zmax = max(zmax,(x(3,n)-d(3,n)))
         END IF
       END DO
       IF(nspmd > 1) CALL spmd_min_max(xmin,ymin,zmin,xmax,ymax,zmax)
 
      cdg(1) = half * (xmax + xmin)
      cdg(2) = half * (ymax + ymin)
      cdg(3) = half * (zmax + zmin)      
 
      dx = xmax - xmin      
      dy = ymax - ymin      
      dz = zmax - zmin
 
      scale = max(dx,dy,dz)
 
      scale = one/scale
 
      RETURN
      END