DCL:GRPH1:SGPACK: User Interface:Explanation of Subroutines: Arrow Primitives
Draws a line segment with an arrowhead in the U/V/R-coordinates.
CALL SGLAU(UX1,UY1,UX2,UY2)
CALL SGLAV(VX1,VY1,VX2,VY2)
CALL SGLAR(RX1,RY1,RX2,RY2)
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.