Color mesh by faces (one single color for one face) using API

[AndersDeleuran]

You can use Mesh.Unweld before setting the face colors. There’s still a bit of unnecessary overhead (i.e. checking face normal angles), but it works well. Here’s an old topic that covers this:

Color Mesh Faces (No Bleeding) - Best Practice?

Hi All, I’m revisiting some old code for coloring mesh faces (without them bleeding into each other!), and feel like I might be missing something here. The basic approach I’ve been using is to: Unweld the mesh, or, make a new mesh and append the faces onto this. Color the face corners of this now unwelded mesh. Now this approach works just fine. [2018-04-12%2012_03_57-Autodesk%20Revit%202018%20-%20%5BStructural%20Plan_%20Level%202%20-%20Project1%5D] But both unwelding and setting the colo…

Edit: Here’s the function I’ve been using since Rhino 6:

AndersDeleuran/ahd/blob/79bd8e6539a03f069804af2de0803127c34f1d9d/ahd.py#L168