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SUBROUTINE SETPA (PARRAY)
C$ (Set Viewing Parameters)
C$ Set the viewing parameters according to the 26 values in
C$ PARRAY(*), as follows:
C$
C$ 1-3.....View Reference Point in world coordinates.
C$ 4-6.....View Plane Normal in world coordinates.
C$ 7.......View Plane Distance in world coordinates.
C$ 8.......Front Distance in world coordinates.
C$ 9.......Back Distance in world coordinates.
C$ 10......Projection type (0.0 = parallel, else perspective).
C$ 11-13...Projective point in world coordinates relative to
C$ View Reference Point.
C$ 14-17...Window boundaries in world coordinates.
C$ 18-20...View Up Vector in world coordinates relative to
C$ View Reference Point.
C$ 21-26...Viewport boundaries in NDC space.
C$
C$ Users should normally not enter values in PARRAY(*)
C$ themselves. The purpose of this routine is primarily for
C$ restoring viewing parameters after a temporary change in a
C$ few of them has been made locally, and the previous values
C$ have been stored in PARRAY(*) by a call to INQPA.
C$ (01-APR-82)