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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

CALL SGLAU(UX1,UY1,UX2,UY2)
CALL SGLAV(VX1,VY1,VX2,VY2)
CALL 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.