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DCL:GRPH1:SWPACK: Machine-Dependent Routines:Explanation of Subroutines: Graphics Routines

7.4.2 swgopn/swgcls

1.

Function

Opens/closes a line segment.

2.

Call

call swgopn
call swgcls

Explanation of Arguments

None.

4.

Notes

(a)

In the CALCOMP processing system, both are DUMMY routines.