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DCL:GRPH1:STPACK: Transformation Function:Explanation of Subroutines: Coordinate Transformation

6.3.5 STFWTR/STWTR/STSWTR/STQWTR

1.

Function

Performs a workstation transformation.

2.

Call

CALL STFWTR(RX,RY,WX,WY)
CALL STIWTR(WX,WY,RX,RY)
CALL STSWTR(RXMIN,RXMAX,RYMIN,RYMAX,WXMIN,WXMAX,WYMIN,WYMAX,IWTRF)
CALL STQWTR(RXMIN,RXMAX,RYMIN,RYMAX,WXMIN,WXMAX,WYMIN,WYMAX,IWTRF)

3.

Explanation of Arguments

RX,RY	(R)	The coordinates in RC
WX,WY	(R)	The coordinates in WC
RXMIN,RXMAX,RYMIN,RYMAX	(R)	The workstation window
WXMIN,WXMAX,WYMIN,WYMAX	(R)	The workstation view port
IWTRF	(I)	The transformation index

4.

Notes

(a)

None.