Problem adding new mesh to document

@clement wrote:

Hi @dale,

i am building a Rhino.Geometry.Mesh from another mesh by copying it and then chaning the vertex locations. After this is done, i update the vertex normals and facenormals. While doing this, i ran in a situation where some meshes cannot be added to the document in V5 and V6 using:

guid = scriptcontext.doc.Objects.AddMesh(new_mesh)

which results in an empty guid. If i query new_mesh.IsValid before i try to add the mesh to the document, i get False. Is there a way to find out what is not valid with the new mesh ? (It is manifold, compacted etc)

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c.

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