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DCL:GRPH1:SGPACK: User Interface:Explanation of Subroutines: Tone Primitives

2.9.1 sgtnzu/sgtnzv/sgtnzr

1.

Function

Fills in an area inside a closed polygon in the U/V/R- coordinates. Specifies the tone pattern index at the same time.

2.

Call

NumRu::DCL.sgtnzu(upx,upy,itpat)
NumRu::DCL.sgtnzv(vpx,vpy,itpat)
NumRu::DCL.sgtnzr(rpx,rpy,itpat)

3.

Explanation of Parameters

n	(I)	The length of the array upx, upy.
upx, upy	(R)	An array of length n. Gives the (X, Y) coordinates of the points defining a polygon in the UC.
vpx, vpy	(R)	An array of length n. Gives the (X, Y) coordinates of the points defining a polygon in the VC.
rpx, rpy	(R)	An array of length n. Gives the (X, Y) coordinates of the points defining a polygon in the RC.
itpat	(I)	Tone pattern index. See sgstnp.

4.

Notes

(a)

N must be larger than 3.

(b)

The parameter ITPAT specified here does not change the ITPAT inquired by sgtnu, sgtnv, sgtnr.