This command draws a curve from a perpendicular tangent line with a known radius and tangent length. It prompts for the radius, the tangent length and then to pick the P.C. start point of the curve and a point along the tangent line.
Precede radius with - sign for
curve to the left.
Radius of Arc <300.0000>: press Enter
Tangent Length <236.0000>: press Enter
PC Start Point ?
Pick point or point number: pick a point
[nea on] Pick point along perpendicular tangent line:
pick a point
(5270.39 4840.36 0.0)
Radius Point Coordinates: (5251.37 4534.71 0.0)
Pulldown Menu Location: Draw > Arc
Keyboard Command: srtl
Prerequisite: Tangent lines should be drawn before
execution