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.