From T-Spline to Grasshopper - How to edit T-Spline Surfaces in GH?

Hello everybody!

HOW COULD I TRANSFORM A MESH INTO A BREP?

I am using T-Spline to model a building's facade and i would like to edit my surface in GH.

I followed these steps:

1. Modeling the surface in T-Spline

2. Converting the T-Spline surface into NURBS

3. Importing the converted surface in GH with "geometry" component

4. Using the "Panel" component to get informations about the content of "geometry" component. The Panel says: "Referenced Mesh (V:325 F:245)"

So, I suppose the surface is a mesh...

I already have a GH definition that is perfectly working with "Loft" component as input (the content of the "loft" component is an Open Brep) but I would like to apply my definition to the surface modeled in T-spline instead of the loft.

But HOW? :)

Thanks a lot for your answers!!

Attachments:

Facade Model for GH blog.3dm, 3.7 MB
Waffle for GH blog.gh, 18 KB

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Replies to This Discussion

Permalink Reply by Hannes Löschke on February 6, 2013 at 12:08pm

You must have made a mistake at some point or referenced the wrong object. A mesh is obviously not a NURBS surface.

When you convert T-Splines to NURBS, the result will be a NURBS solid (BRep in GH). Under the hood of T-Splines are quad control meshes. You may have selected the T-Spline object and GH interprets it as mesh.

Geometry parameter imports any Rhino geometry from curves, surfaces to meshes. Use a BRep parameter to make sure only valid NURBS objects get imported.

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