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

7.3.3 swoopn/swocls

1.

Function

Opens/closes an object.

2.

Call

NumRu::DCL.swoopn(cobj,comm)
NumRu::DCL.swocls(cobj)

3.

Explanation of Arguments

cobj	(C*(*))	Name of an object.
comm	(C*(*))	Comments.

4.

Notes

(a)

An object is a group of graphics elements with the same attributes.

(b)

These routines are called when a higher interface routine in the SZPACK opens/closes.

(c)

In a device lacking the concept of an object, these will be DUMMY routines.