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Return None if no color is set in shape

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This commit is contained in:
Matthias Hochsteger 2023-11-21 11:26:16 +01:00
parent 69025e5ef4
commit ce8a73750e
1 changed files with 3 additions and 3 deletions
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6
libsrc/occ/python_occ_shapes.cpp
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@ -841,11 +841,11 @@ DLL_HEADER void ExportNgOCCShapes(py::module &m)
hpref = max2(val, hpref);
}, "number of refinement levels for geometric refinement")
.def_property("col", [](const TopoDS_Shape & self) {
.def_property("col", [](const TopoDS_Shape & self) -> py::object {
if(!OCCGeometry::HaveProperties(self) || !OCCGeometry::GetProperties(self).col)
return std::vector<double>({ 0.2, 0.2, 0.2, 1. });
return py::none();
auto col = *OCCGeometry::GetProperties(self).col;
return std::vector<double>({ col(0), col(1), col(2), col(3) });
return py::cast(std::vector<double>({ col(0), col(1), col(2), col(3) }));
}, [](const TopoDS_Shape & self, std::vector<double> c) {
Vec<4> col(c[0], c[1], c[2], 1.0);
if(c.size() == 4)