Surface Split returns Invalid Surface

Replies to This Discussion

Permalink Reply by Pieter Segeren on August 19, 2014 at 5:39am

Hi Stan, I don't know why this doesn't work, but I can tell you SplitBrep does. (Intersect > Shape tab)

Edit: If you shrink the trimmed surface it'll work.
Try a vb component with:
If x.Faces.ShrinkFaces() Then
A=x
End If

Permalink Reply by Stan Carroll on August 19, 2014 at 5:51am

Thank you Pieter for taking the time to help me.  I have looked into it further.  Apparently when I find the intersection using BBX, for some reason the intersecting line is not long enough.  If I 'extend (smooth method)' the intersection line, the new longer line is successful in returning a valid surface.  So my guess is that there is possibly a bug with the BBX intersection component.  That being said, I like your solution better.  Thank you.

Permalink Reply by Pieter Segeren on August 19, 2014 at 6:03am

That edit was not true... I was moving your plane at the same time and accidentally hit a sweet spot where it worked, but then it worked for the unshrunk trimmed surface too. My bad.

Permalink Reply by ng5 Alex on August 19, 2014 at 5:48am

That is weird.

Like Peter said SplitBrep works and you can also try TrimSolid, after extruding the plane with -z direction to have your trimming shape (brep)

Permalink Reply by Stan Carroll on August 19, 2014 at 6:07am

Thanks Alex.