Return to 3 x 4 Matrix Definition

3 x 4 Matrix Definition Example

The following example performs transformations on a line.

 
   GRIPSW / DECLRV
   NUMBER / XTRANS(12), XUSCAL(12), XDSCAL(12), XROTXY(12), XROTYZ(12), XROTZX(12)
   NUMBER / XCOMBO(12)
   ENTITY / XOBJ

   PRINT / 'TRANSLATE, 1,2,3'
   XTRANS = MATRIX / TRANSL, 1,2,3
   PRINT / XTRANS(1..4)
   PRINT / XTRANS(5..8)
   PRINT / XTRANS(9..12)
   PRINT / ' '
 
   PRINT / 'UNIFORM SCALE, 4'
   XUSCAL = MATRIX / SCALE, 4
   PRINT / XUSCAL(1..4)
   PRINT / XUSCAL(5..8)
   PRINT / XUSCAL(9..12)
   PRINT / ' '
 
   PRINT / 'NON-UNIFORM SCALE, 5,6,7'
   XDSCAL = MATRIX / SCALE, 5,6,7
   PRINT / XDSCAL(1..4)
   PRINT / XDSCAL(5..8)
   PRINT / XDSCAL(9..12)
   PRINT / ' '
 
   PRINT / 'XY ROTATION, 45'
   XROTXY = MATRIX / XYROT, 45
   PRINT / XROTXY(1..4)
   PRINT / XROTXY(5..8)
   PRINT / XROTXY(9..12)
   PRINT / ' '
 
   PRINT / 'YZ ROTATION, 45'
   XROTYZ = MATRIX / YZROT, 45
   PRINT / XROTYZ(1..4)
   PRINT / XROTYZ(5..8)
   PRINT / XROTYZ(9..12)
   PRINT / ' '
 
   PRINT / 'ZX ROTATION, 45'
   XROTZX = MATRIX / ZXROT, 45
   PRINT / XROTZX(1..4)
   PRINT / XROTZX(5..8)
   PRINT / XROTZX(9..12)
   PRINT / ' '
 
   PRINT / 'TRANSLATE, NON-UNIFORM SCALE, XY-YZ-ZX ROTATION'
   XCOMBO = MATRIX / XTRANS, XDSCAL
   XCOMBO = MATRIX / XCOMBO, XROTXY
   XCOMBO = MATRIX / XCOMBO, XROTYZ
   XCOMBO = MATRIX / XCOMBO, XROTZX
   PRINT / XCOMBO(1..4)
   PRINT / XCOMBO(5..8)
   PRINT / XCOMBO(9..12)
   PRINT / ' '

   XOBJ = LINE / 1,1,0, 2,2,0
   &COLOR(XOBJ) = 1
   TRANSF / XTRANS, XOBJ
   &COLOR(XOBJ) = 2
   TRANSF / XUSCAL, XOBJ
   &COLOR(XOBJ) = 3
   TRANSF / XDSCAL, XOBJ
   &COLOR(XOBJ) = 4
   TRANSF / XROTXY, XOBJ
   &COLOR(XOBJ) = 5
   TRANSF / XROTYZ, XOBJ
   &COLOR(XOBJ) = 6
   TRANSF / XROTZX, XOBJ
   &COLOR(XOBJ) = 7
   TRANSF / XCOMBO, XOBJ
   &COLOR(XOBJ) = 8
   HALT