Junqing LIU

I should also mention, the bsplineCurve > SplitAtPoint also works where the CurveToSplit input is a Curve. The input doesn't have to be a bsplineCurve

As Stuart mentioned you can use the BSplineCurve.SplitAtPoint technique, just make sure you set your "Order" to 2 if you want to retain the original curve geometry

Hi Junqing SplitAtPoint should give you a list of sub-curves. https://communities.bentley.com/cfs-file/__key/communityserver-discussions-components-files/360/divide_5F00_curve.gct divide_curve.dgn Stuart

I have found the element from a Civil application can 1 of 3 types, and it can take trial and error to discover which one. It can be a Polyline, a B-Spline, or Curve. Recently I discovered a 4th type which is not recognizable from one of the standard…