By Two Points Symbols or Rectangular Co-ordinates of Points
General syntax is
<symbol> = LINE/ x1, y1, z1, x2, y2, z2
<symbol> = LINE/ point1, point2
The two points should not be the same or they should not have the same co-ordinates.
LIN1 = LINE / 22, 33, 104, 75
LIN1 = LINE/ PN1, PN2
