As title, Revit secondary development, how to get to the curve at a point on the curve starting point along the curve of the distance?

CodePudding user response:

Does it take to make a new arc, then. Length? Feasible?

CodePudding user response:

reference 1/f, true boring also see response:

does it take to make a new arc, then. Length? Feasible?

Arc has been solved, oval? Spline curve?