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utility functions for webgui

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mhochsteger@cerbsim.com 2022-02-18 20:11:58 +01:00
parent fcfcd6d916
commit 775b97f6b3
1 changed files with 82 additions and 1 deletions
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83
libsrc/meshing/python_mesh.cpp
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@ -1296,7 +1296,88 @@ project_boundaries : Optional[str] = None
})
.def ("CalcTotalBadness", &Mesh::CalcTotalBad)
.def ("GetQualityHistogram", &Mesh::GetQualityHistogram)
.def("Mirror", &Mesh::Mirror);
.def("Mirror", &Mesh::Mirror)
.def("_getVertices", [](Mesh & self)
{
std::vector<float> verts(3*self.GetNV());
ParallelForRange( self.GetNV(), [&](auto myrange) {
const auto & points = self.Points();
for(auto i : myrange)
{
auto p = points[PointIndex::BASE+i];
auto * v = &verts[3*i];
for(auto k : Range(3))
v[k] = p[k];
} });
return verts;
})
.def("_getSegments", [](Mesh & self)
{
std::vector<int> output;
output.resize(2*self.GetNSeg());
ParallelForRange( self.GetNSeg(), [&](auto myrange) {
const auto & segs = self.LineSegments();
for(auto i : myrange)
{
const auto & seg = segs[i];
for(auto k : Range(2))
output[2*i+k] = seg[k]-PointIndex::BASE;
} });
return output;
})
.def("_getWireframe", [](Mesh & self)
{
const auto & topo = self.GetTopology();
size_t n = topo.GetNEdges();
std::vector<int> output;
output.resize(2*n);
ParallelForRange( n, [&](auto myrange) {
for(auto i : myrange)
{
PointIndex p0,p1;
topo.GetEdgeVertices(i+1, p0, p1);
output[2*i] = p0-PointIndex::BASE;
output[2*i+1] = p1-PointIndex::BASE;
} });
return output;
})
.def("_get2dElementsAsTriangles", [](Mesh & self)
{
std::vector<int> trigs;
trigs.resize(3*self.GetNSE());
ParallelForRange( self.GetNSE(), [&](auto myrange) {
const auto & surfels = self.SurfaceElements();
for(auto i : myrange)
{
const auto & sel = surfels[i];
auto * trig = &trigs[3*i];
for(auto k : Range(3))
trig[k] = sel[k]-PointIndex::BASE;
// todo: quads (store the second trig in thread-local extra array, merge them at the end (mutex)
} });
return trigs;
})
.def("_get3dElementsAsTets", [](Mesh & self)
{
std::vector<int> tets;
tets.resize(4*self.GetNE());
ParallelForRange( self.GetNE(), [&](auto myrange) {
const auto & els = self.VolumeElements();
for(auto i : myrange)
{
const auto & el = els[i];
auto * trig = &tets[4*i];
for(auto k : Range(4))
trig[k] = el[k]-PointIndex::BASE;
// todo: prisms etc (store the extra tets in thread-local extra array, merge them at the end (mutex)
} });
return tets;
})
;
m.def("ImportMesh", [](const string& filename)