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SUBROUTINE SETWM (TMODEL)
C$ (World Coordinate Modelling Transformation Matrix)
C$ Supply a 4 by 4 homogeneous coordinate transformation
C$ matrix, TMODEL(*,*), which is applied to object modelling
C$ coordinates to rotate, translate, project, etc. to obtain
C$ world coordinates before mapping the world coordinates onto
C$ the viewing volume.
C$ (01-APR-82)