Grasshopper

algorithmic modeling for Rhino

Mesh Edges and Mesh Normals ?

Hi forum,

 

The "decompose mesh" component outputs "mesh normals" but what do these normals correspond to: Are they normal to the mesh faces at their centre or at a specific vertex?

 

How would you then extrude mesh edges using the mesh normals?

 

Hope this makes sense,

Many thanks,

 

Arthur 

Views: 5906

Replies to This Discussion

Permalink Reply by Andrew Kudless on February 20, 2012 at 5:57pm

OK, problem sort of solved: Welding the vertices rebuilt the mesh with normals. Still seems strange that script isn't working and that the mesh vertex normals AND the mesh faces normals were missing.

 

Permalink Reply by Marc Johnson on March 19, 2013 at 7:48am

What are we suppose to change in the code then ? Thx

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