92 lines
1.7 KiB
C++
92 lines
1.7 KiB
C++
Random rndGen(653213);
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// Determine mesh bounding boxes:
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List<treeBoundBox> meshBb
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(
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1,
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treeBoundBox
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(
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boundBox(coarseMesh.points(), false)
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).extend(rndGen, 1e-3)
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);
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// Dummy bounds dictionary
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dictionary dict;
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dict.add("bounds", meshBb);
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dict.add
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(
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"distributionType",
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distributedTriSurfaceMesh::distributionTypeNames_
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[
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distributedTriSurfaceMesh::FROZEN
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]
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);
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dict.add("mergeDistance", SMALL);
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labelList triSurfaceToAgglom(5*nFineFaces);
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const triSurface localSurface = triangulate
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(
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patches,
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includePatches,
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finalAgglom,
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triSurfaceToAgglom,
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globalNumbering,
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coarsePatches
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);
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// CGAL surface
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distributedTriSurfaceMesh surfacesMesh
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(
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IOobject
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(
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"wallSurface.stl",
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runTime.constant(), // directory
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"triSurface", // instance
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runTime, // registry
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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localSurface,
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dict
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);
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triSurfaceToAgglom.resize(surfacesMesh.size());
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surfacesMesh.setField(triSurfaceToAgglom);
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std::vector<Triangle> triangles;
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{
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const auto& surf = static_cast<const triSurface&>(surfacesMesh);
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triangles.reserve(surf.size());
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const pointField& pts = surf.points();
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for (const auto& f : surf)
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{
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const point& a = pts[f.a()];
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const point& b = pts[f.b()];
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const point& c = pts[f.c()];
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triangles.emplace_back
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(
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Point(a.x(), a.y(), a.z()),
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Point(b.x(), b.y(), b.z()),
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Point(c.x(), c.y(), c.z())
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);
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if (triangles.back().is_degenerate())
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{
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std::cout << triangles.back() << std::endl;
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}
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}
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}
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// constructs AABB tree
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Tree tree(triangles.begin(), triangles.end());
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