brep closest point problem

I have a triangle in 3d space and smaller squares in theory on the same plane as the triangle curve. I want to make a holes in the triangle with the squares.

Maybe the triangles are not accurately on the surface of the triangle surface, so I am exploding the squares and using closest pont on brep I trying to "project them onto the triangle surface. My problem is, the that despite this method the new points seem to be not within the brep triangle.

What is my mistake?

Attachments:

brep closest point.gh, 10 KB

Replies to This Discussion

Permalink Reply by Daniel González Abalde on February 27, 2016 at 4:35am

Error: Point in Brep comp. only works with closed breps.

Solution: If distance (of Brep CP) < 0.001 then points (of inner curves) are inside.

Attachments:

brepclosestpoint.gh, 15 KB

Permalink Reply by Balázs Hegedus on February 27, 2016 at 4:40am

Thanks Gonzales,

But I dont understand. My trinangle is absoultely closed!

Permalink Reply by Daniel González Abalde on February 27, 2016 at 4:57am

If you pass a closed curve to surface/brep type, the result will be a surface, not a closed brep. You can pass it to closed brep by extruding the surface.

González*

Permalink Reply by Pieter Segeren on February 27, 2016 at 5:01am

Notice there is a PointInCurve component too, but you don't seem to need it: As Dani demonstrated you just need all the curves (in a flat list) and a BoundarySurface component. If that works (as it does for your case) the curves are all in the same plane (well... within tolerance).

Permalink Reply by Balázs Hegedus on February 27, 2016 at 5:29am

thanks a lot guys!

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