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DCL:GRPH2:GRPACK: Upper-Level Control Routines: Explanation of Subroutines: Control

2.3.3 GRFIG

1.

Function

Performs the necessary initialization for drawing a new figure.

2.

Call

CALL GRFIG

3.

Explanation of Parameters

None.

4.

Notes

(a)

This routine assigns "undefined" values to all internal variables for the transformation function, and initializes UZPACK and USPACK. When drawing several figures in a singles frame, this routine must be called before starting to draw a new graph after the first.