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

2.11.2 sglau/sglav/sglar

1.

Function

Draws a line segment with an arrowhead in the U/V/R-coordinates.

2.

Call

NumRu::DCL.sglau(ux1,uy1,ux2,uy2)
NumRu::DCL.sglav(vx1,vy1,vx2,vy2)
NumRu::DCL.sglar(rx1,ry1,rx2,ry2)

3.

Explanation of Parameters

ux1, uy1	(R)	The coordinates of the beginning point of a line segment in UC.
ux2, uy2	(R)	The coordinates of the end point of a line segment in UC.
vx1, vy1	(R)	The coordinates of the beginning point of a line segment in VC
vx2, vy2	(R)	The coordinates of the end point of a line segment in VC.
rx1, ry1	(R)	The coordinates of the beginning point of a line segment in RC
rx2, ry2	(R)	The coordinates of the end point of a line segment in RC.

4.

Notes

(a)

The attributes of the line segment are set with SGSLAT, SGSLAI.