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Mesh: [skip ci] implement initial guess of cylinder axis

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This commit is contained in:
wmayer
2020-04-21 19:31:48 +02:00
parent 71414fca96
commit be47670c6a
6 changed files with 123 additions and 10 deletions
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20
src/Mod/Mesh/App/Core/MeshKernel.cpp
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@@ -1079,6 +1079,26 @@ std::vector<Base::Vector3f> MeshKernel::CalcVertexNormals() const
return normals;
}
std::vector<Base::Vector3f> MeshKernel::GetFacetNormals(const std::vector<unsigned long>& facets) const
{
std::vector<Base::Vector3f> normals;
normals.reserve(facets.size());
for (std::vector<unsigned long>::const_iterator it = facets.begin(); it != facets.end(); ++it) {
const MeshFacet& face = _aclFacetArray[*it];
const Base::Vector3f& p1 = _aclPointArray[face._aulPoints[0]];
const Base::Vector3f& p2 = _aclPointArray[face._aulPoints[1]];
const Base::Vector3f& p3 = _aclPointArray[face._aulPoints[2]];
Base::Vector3f n = (p2 - p1) % (p3 - p1);
n.Normalize();
normals.emplace_back(n);
}
return normals;
}
// Evaluation
float MeshKernel::GetSurface() const
{