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DCL:GRPH2:UWPACK: Grid Point Information Handling Routines: Explanation of Subroutines

11.2.5 IUWGX/IUWGY

1.

Function

Returns the grid point number of the grid point with the nearest coordinate value.

2.

Call

IUWGX(UX)
IUWGY(UY)

3.

Explanation of Parameters

UX, UY	(R)	Coordinate value.
IUWGX, IUWGY	(I)	Grid point number.

4.

Notes

(a)

Before using these functions,  you must call UWIGXI/UWIGYI to initialize.

(b)

These functions can be used for both methods for setting the grid points. (UWSGXA/UWSGYA or UWSGXB/UWSGYB)