Sets the starting and ending angles of this arc, and returns a reference to this arc.
Parameters
Parameters
Description
startAng
[in] Starting angle of arc.
endAng
[in] Ending angle of arc.
Remarks
All angles are expressed in radians. In common case parameter (paramOf, evalPoint, evaluate) interval is NOT equal to [startAng; endAng]! But its length is equal to endAng - startAng.