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C -*- Mode: fortran -*-
C=======================================================================
      SUBROUTINE SHOW (STYP, INTYP)
C=======================================================================
      
C     --*** SHOW *** (GEN3D) Display information
C     --   Written by Amy Gilkey - revised 03/07/88
C     --
C     --SHOW displays information about the database and the plot parameters.
C     --
C     --The SHOW options with the items they display are:
C     --   OFFSET   - generated mesh offsets
C     --   REVOLVE  - generated mesh rotation matrix
C     --   REVCEN   - generated mesh rotation center
C     --   MIRROR   - axes about which mesh is reflected
C     --   VARS     - database title and initial variables
C     --
C     --Parameters:
C     --   STYP - IN - the exact SHOW option string
C     --   INTYP - IN - the abbreviated SHOW option string, ' ' if exact
C     --
C     --Common Variables:
C     --   Uses NDBIN, NDBOUT of /DBASE/
C     --   Uses TITLE of /DBTITL/
C     --   Uses NDIM, NUMNP, NUMEL, NELBLK,
C     --      NUMNPS, LNPSNL, NUMESS, LESSEL, LESSNL of /DBNUMS/
C     --   Uses XOFFS, YOFFS, ZOFFS of /XYZOFF/
C     --   Uses ROT3D, ROTMAT of /XYZROT/
      
      include 'gp_dbase.blk'
      include 'gp_dbtitl.blk'
      include 'gp_dbnums.blk'
      include 'gp_xyzoff.blk'
      include 'gp_xyzrot.blk'
      include 'gp_xyzmir.blk'
      include 'gp_xyzero.blk'
      include 'gp_xyzscl.blk'
      include 'gp_xyzwrp.blk'
      include 'gp_smooth.blk'
      include 'gp_snap.blk'
      include 'gp_combine.blk'
      include 'gp_deform.blk'
      
      CHARACTER*(*) STYP
      CHARACTER*(*) INTYP
      
      CHARACTER*32 SHOTYP, SMTYP
      CHARACTER*80 STRING
      REAL RNUM(9)
      CHARACTER*20 RSTR(12)
      CHARACTER*20 STRA, STRB
      
      CHARACTER*32 SHOTBL(2)
      SAVE SHOTBL
C     --SHOTBL - the special save option table
      
      DATA SHOTBL /
     &  'VARS    ', '        ' /
      
C     --Determine the show option
      
      IF ((INTYP .EQ. ' ') .OR. (STYP .EQ. INTYP)) THEN
        SHOTYP = STYP
      ELSE
        CALL ABRSTR (SHOTYP, INTYP, SHOTBL)
        IF ((STYP .NE. ' ')
     &    .AND. ((SHOTYP .EQ. ' ') .OR. (SHOTYP .NE. INTYP)))
     &    SHOTYP = STYP
      END IF
      
      IF (SHOTYP .EQ. 'EXECUTE') THEN
        WRITE (*, 40) 'Executing currently specified transformations'

      ELSE IF (SHOTYP .EQ. 'MIRROR') THEN
        IF (XMIRR .EQ. -1.) THEN
          STRING = 'New X = - Old X'
          WRITE (*, 40) '   ', STRING(:LENSTR(STRING))
        ELSE
          STRING = 'New X =   Old X'
          WRITE (*, 40) '   ', STRING(:LENSTR(STRING))
        END IF
        IF (YMIRR .EQ. -1.) THEN
          STRING = 'New Y = - Old Y'
          WRITE (*, 40) '   ', STRING(:LENSTR(STRING))
        ELSE
          STRING = 'New Y =   Old Y'
          WRITE (*, 40) '   ', STRING(:LENSTR(STRING))
        END IF
        IF (NDIM .EQ. 3) THEN
          IF (ZMIRR .EQ. -1.) THEN
            STRING = 'New Z = - Old Z'
            WRITE (*, 40) '   ', STRING(:LENSTR(STRING))
          ELSE
            STRING = 'New Z =   Old Z'
            WRITE (*, 40) '   ', STRING(:LENSTR(STRING))
          END IF
        END IF
      ELSE IF (SHOTYP .EQ. 'OFFSET' .or. SHOTYP .EQ. 'SHIFT') THEN
        IF (SPLOFF) THEN
          WRITE (*,*) 'Spline offset selected'
        ELSE
          RNUM(1) = XOFFS
          RNUM(2) = YOFFS
          RNUM(3) = ZOFFS
          CALL NUMSTR (NDIM, 4, RNUM, RSTR, LR)
          WRITE (*, 40)
     &      'Coordinate offsets =', (' ', RSTR(I)(:LR), I=1,NDIM)
        END IF
        
      ELSE IF (SHOTYP .EQ. 'SCALE') THEN
        RNUM(1) = XSCAL
        RNUM(2) = YSCAL
        RNUM(3) = ZSCAL
        CALL NUMSTR (NDIM, 4, RNUM, RSTR, LR)
        WRITE (*, 40)
     &    'Coordinate scale factors =', (' ', RSTR(I)(:LR),I=1,NDIM)
        
      ELSE IF (SHOTYP .EQ. 'RANDOMIZE') THEN
        RNUM(1) = XRAND
        RNUM(2) = YRAND
        RNUM(3) = ZRAND
        CALL NUMSTR (NDIM, 4, RNUM, RSTR, LR)
        WRITE (*, 40)
     &    'Coordinate random factors =', (' ', RSTR(I)(:LR),I=1,NDIM)
        
      ELSE IF (SHOTYP .EQ. 'ZERO') THEN
        RNUM(1) = XZERO
        RNUM(2) = YZERO
        RNUM(3) = ZZERO
        CALL NUMSTR (NDIM, 4, RNUM, RSTR, LR)
        WRITE (*, 40)
     &    'Minimum nonzero coordinates =', (' ', RSTR(I)(:LR),
     &    I=1,NDIM)
        
      ELSE IF (SHOTYP .EQ. 'REVOLVE' .OR. SHOTYP .EQ. 'ROTATE') THEN
        IF (ROT3D) THEN
          WRITE (*, 40) 'Rotation matrix for generated mesh:'
          DO I = 1, 3
            write (*,50) (rotmat(i,j),j=1,3)
          end do
        ELSE
          WRITE (*, 40) 'No rotation defined for generated mesh'
        END IF
        
      ELSE IF (SHOTYP .EQ. 'REVCEN') THEN
        CALL NUMSTR (NDIM, 4, ROTCEN, RSTR, LR)
        WRITE (*, 40)
     &    'Center of revolution =', (' ', RSTR(I)(:LR), I=1,NDIM)
        IF (.NOT. ROT3D) THEN
          WRITE (*, 40) 'No rotation defined for generated mesh'
        END IF
        
      ELSE IF (SHOTYP .EQ. 'DEFORM') THEN
        if (idefst .gt. 0) then
          call intstr(1, 0, IDEFST, STRA,  LR1)
          WRITE (*, 40)
     &      'Deform at step ', STRA(:LR1),
     *      '. Displacements at that step will be set to zero.'
        else
          write (*,*) 'Deformation turned off (RESET)'
        end if
        
      ELSE IF (SHOTYP .EQ. 'VARS') THEN
        CALL DBPINI ('TIS', NDBIN, TITLE, NDIM, NUMNP, NUMEL, NELBLK,
     &    NUMNPS, LNPSNL, LNPSNL, NUMESS, LESSEL, LESSNL, LESSNL, 
     &    IDUM, IDUM, IDUM, ' ')
        
      ELSE IF (SHOTYP .EQ. 'SMOOTH') THEN
        write (*, 40)
     $    'Smoothing Type = LAPLACIAN'
        call numstr (1, 4, TOLER, RSTR(1), LR1)
        call intstr (1, 0, NIT,   STRA,    LR2)
        call numstr (1, 4, R0,    RSTR(3), LR3)
        write (*, 40)
     $    'Tolerance      = ',RSTR(1)(:LR1) 
        write (*, 40)
     $    'Iterations     = ',STRA(:LR2) 
        write (*, 40)
     $    'Relaxation Par = ',RSTR(3)(:LR3) 
        
      ELSE IF (SHOTYP .EQ. 'USERSUBROUTINE') THEN
        write (*, 40) 'Coordinate modification by ',
     *    'user supplied subroutine (xyzmod).'

      ELSE IF (SHOTYP .EQ. 'CENTROIDS') THEN
        write (*, 40) 'Element centroids will be calculated and output.'

      ELSE IF (SHOTYP .EQ. 'EQUIVALENCE') THEN
         IF (EQUIV) THEN
            RNUM(1) = EQTOLER
            CALL NUMSTR (1, 6, RNUM, RSTR, LR)
            WRITE (*, 40)
     &           'Node Equivalence Tolerance = ', RSTR(1)(:LR)
         ELSE
            WRITE (*, 40)
     &           'Node Equivalencing turned off (RESET)'
         END IF
        
      ELSE IF (SHOTYP .EQ. 'SNAP' .OR. SHOTYP .EQ. 'MOVE') THEN
        if (numsnp .gt. 0) then
          do i=1, numsnp
            call intstr(1, 0, IDSSSL(i), STRA,  LR1)
            call intstr(1, 0, IDSSMA(i), STRB,  LR2)
            call numstr(1, 4, snptol(i), RSTR(4), LR4)
            call numstr(1, 4, delmax(i), RSTR(5), LR5)
            if (usnorm(i) .eq. PNORM) then
              string = 'normal to slave surf'
            else if (usnorm(i) .eq. PRAD) then
              string = 'radially from '
            else if (usnorm(i) .eq. PVECT) then
              string = 'along vector'
            else if (usnorm(i) .eq. PEDGE) then
              string = 'along element edge'
            end if
            
            if (ismtyp(i) .eq. IMOVE) then
              SMTYP = 'Move'
            else if (ismtyp(i) .eq. ISNAP) then
              SMTYP = 'Snap'
            else
              SMTYP = 'ERROR'
            end if
            
            if (usnorm(i) .eq. PNORM .or. usnorm(i) .eq. PEDGE) then
              write (*, 40) SMTYP(:4), ' Sideset ', STRA(:LR1),
     *          ' to ', STRB(:LR2),' ',STRING(:LENSTR(STRING)),
     *          ' tol. ', RSTR(4)(:LR4),
     *          ' max delta ', RSTR(5)(:LR5)
            else
              call numstr(3, 4, VECTOR(1,i), RSTR,  LR3)
              call numstr(1, 4, gap(i), RSTR(6), LR6)
              write (*, 40) SMTYP(:4), ' Sideset ', STRA(:LR1),
     *          ' to ', STRB(:LR2),' ',
     *          STRING(:LENSTR(STRING)),' ',
     *          RSTR(1)(:LR3), 'X ', RSTR(2)(:LR3), 'Y ',
     *          RSTR(3)(:LR3), 'Z ',
     *          ' tol. ', RSTR(4)(:LR4),
     *          ' max delta ', RSTR(5)(:LR5),
     *          ' gap ', RSTR(6)(:LR6)
            end if
          end do
        else
          write (*, 40) 'No sideset snapping or moving specified'
        end if
      ELSE IF (SHOTYP .EQ. 'WARP') THEN
        STRING = 'ERROR'
        IF (IWARP .EQ. 1) THEN
          STRING = 'Origin'
        ELSE IF (IWARP .EQ. -1) THEN
          STRING = 'X axis'
        ELSE IF (IWARP .EQ. -2) THEN
          STRING = 'Y axis'
        ELSE IF (IWARP .EQ. -3) THEN
          STRING = 'Z axis'
        END IF

        RSTR(2) = 'ERROR'
        IF (NRMWRP .EQ. 1) THEN
          RSTR(2) = 'X axis'
        ELSE IF (NRMWRP .EQ. 2) THEN
          RSTR(2) = 'Y axis'
        ELSE IF (NRMWRP .EQ. 3) THEN
          RSTR(2) = 'Z axis'
        END IF

        CALL NUMSTR (1, 4, WRPDIS, RSTR, LR)

        WRITE (*, 40) 'Warp mesh about the ', STRING(:LENSTR(STRING)),
     *    ', Reference Radius = ', RSTR(1)(:LR), ', Normal Vector = ',
     *    RSTR(2)(:LENSTR(RSTR(2)))
      ELSE
        CALL PRTERR ('CMDWARN', 'Invalid SHOW option')
      END IF
      
      RETURN
 40   FORMAT (1X, 20A)
 50   format (8x, 3(1pE12.5,4x))
      END
