The export of 3D mesh is done. Now is time to make it optimal and extend (b89caa2e) · Commits · Tomáš Jakubec / GTMesh

Unstructured_mesh/Unstructured_mesh.pro.user

+1 −1

Original line number	Diff line number	Diff line
		<?xml version="1.0" encoding="UTF-8"?>
		<!DOCTYPE QtCreatorProject>
		<!-- Written by QtCreator 4.10.0, 2019-10-09T13:13:25. -->
		<!-- Written by QtCreator 4.10.0, 2019-10-09T22:44:25. -->
		<qtcreator>
		<data>
		<variable>EnvironmentId</variable>

Unstructured_mesh/VTKMeshWriter.h

+27 −13

Original line number	Diff line number	Diff line
		@@ -130,6 +130,7 @@ public:
		std::vector<IndexType> writeFace(std::ostream& ost,
		MeshElements<3, IndexType, Real, Reserve...>& mesh,
		typename MeshElements<3, IndexType, Real, Reserve...>::Face& face,
		typename MeshElements<3, IndexType, Real, Reserve...>::Cell& cell,
		MeshDataContainer<std::vector<bool>, 2>& faceEdgeOri){

		std::vector<IndexType> verticesWritten;
		@@ -137,7 +138,7 @@ public:

		IndexType startVertex = INVALID_INDEX(IndexType);
		IndexType nextVertex = INVALID_INDEX(IndexType);
		if (faceEdgeOri[face][0] == true){ // the edge is left to the face
		if (faceEdgeOri[face][0] == true && cell.getIndex() == face.getCellLeftIndex()){ // the edge is left to the face
		startVertex = mesh.getEdges().at(face.getSubelements()[0].index).getVertexBIndex();
		ost << startVertex << ' ';
		nextVertex = mesh.getEdges().at(face.getSubelements()[0].index).getVertexAIndex();
		@@ -153,13 +154,14 @@ public:
		while (startVertex != nextVertex){
		for (auto& sube : face.getSubelements()) {
		auto &edge = mesh.getEdges().at(sube.index);

		if (edge.getIndex() != lastWrittenEdge) {
		if (edge.getVertexAIndex() == nextVertex) {
		lastWrittenEdge = edge.getIndex();
		ost << edge.getVertexAIndex() << ' ';
		verticesWritten.push_back(edge.getVertexAIndex());
		nextVertex = edge.getVertexBIndex();
		} else if (edge.getVertexAIndex() == nextVertex) {
		} else if (edge.getVertexBIndex() == nextVertex) {
		lastWrittenEdge = edge.getIndex();
		ost << edge.getVertexBIndex() << ' ';
		verticesWritten.push_back(edge.getVertexBIndex());
		@@ -173,7 +175,7 @@ public:

		void writeToStream(std::ostream& ost,
		MeshElements<3, IndexType, Real, Reserve...>& mesh,
		MeshDataContainer<typename writer::type::ElementType, 3>& cellTypes){
		MeshDataContainer<typename writer::type::ElementType, 3> cellTypes){
		// first write verices
		ost << "POINTS " << mesh.getVertices().size() <<
		" double" << std::endl;
		@@ -183,6 +185,9 @@ public:
		}
		ost << std::endl;


		// write cells of the mesh
		// prepare connections
		auto cellVert = MeshConnections<3,0>::connections(mesh);
		auto cellFace = MeshConnections<3,2>::connections(mesh);
		auto faceVert = MeshConnections<2,0>::connections(mesh);
		@@ -199,7 +204,7 @@ public:
		for (auto cell : mesh.getCells()){
		ost << cellVert.at(cell).size() << " ";


		DBGVAR(cell.getIndex());

		switch (cellTypes.template getDataByPos<0>().at(cell.getIndex())) {

		@@ -207,9 +212,9 @@ public:
		// write vertices of one face
		auto& face = mesh.getFaces().at(cell.getBoundaryElementIndex());

		std::vector<IndexType> vertWrit = writeFace(ost,mesh,face, faceEdgeOri);
		std::vector<IndexType> vertWrit = writeFace(ost,mesh,face, cell, faceEdgeOri);

		for (IndexType index : faceVert[face]) {
		for (IndexType index : cellVert[cell]) {
		bool vertOK = true;
		for (IndexType i : vertWrit){
		if (i == index){
		@@ -233,9 +238,9 @@ public:
		}
		}

		std::vector<IndexType> vertWrit = writeFace(ost, mesh, *face, faceEdgeOri);
		std::vector<IndexType> vertWrit = writeFace(ost, mesh, *face, cell, faceEdgeOri);
		// write the last vertex
		for (IndexType index : faceVert.at(*face)) {
		for (IndexType index : cellVert.at(cell)) {
		bool vertOK = true;
		for (IndexType i : vertWrit){
		if (i == index){
		@@ -253,14 +258,17 @@ public:
		// write vertices of one face
		typename MeshElements<3, IndexType, Real, Reserve...>::Face* face = nullptr;
		// search for the base face
		for (IndexType faceIndex : cellFace[cell]){

		for (IndexType faceIndex : mesh.template getElement<3>(cell.getIndex()).getSubelements()){
		if (faceVert.template getDataByPos<0>().at(faceIndex).size() == 3){
		face = &mesh.getFaces().at(faceIndex);
		break;
		}
		}

		std::vector<IndexType> vertWrit = writeFace(ost, mesh, *face, faceEdgeOri);
		DBGVAR(face->getIndex());
		std::vector<IndexType> vertWrit = writeFace(ost, mesh, *face, cell, faceEdgeOri);
		// write vertices of the oposite triangular side
		DBGVAR(vertWrit);
		for (IndexType index : vertWrit) {
		MeshRun<3,3,1,3,false, true>::run(mesh, cell.getIndex(),cell.getIndex(),
		[&ost,&mesh,&index,&vertWrit](IndexType, IndexType edgeIndex){
		@@ -293,6 +301,9 @@ public:
		}
		}
		);
		if (vertWrit.size() == 6) {
		break;
		}
		}
		}break;

		@@ -300,7 +311,7 @@ public:
		// write vertices of one face
		auto& face = mesh.getFaces().at(cell.getBoundaryElementIndex());

		std::vector<IndexType> vertWrit = writeFace(ost, mesh, face, faceEdgeOri);
		std::vector<IndexType> vertWrit = writeFace(ost, mesh, face, cell, faceEdgeOri);
		// write vertices of the oposite triangular side
		for (IndexType index : vertWrit) {
		MeshRun<3,3,1,3,false, true>::run(mesh, cell.getIndex(),cell.getIndex(),
		@@ -334,6 +345,9 @@ public:
		}
		}
		);
		if (vertWrit.size() == 8) {
		break;
		}
		}
		}break;
		default: throw std::runtime_error("it is not possible yet to write any object into VTK");

Unstructured_mesh/main.cpp

+9 −3

Original line number	Diff line number	Diff line
		@@ -677,6 +677,12 @@ DBGVAR(mesh.getVertices().size(),mesh.getEdges().size(), mesh.getFaces().size(),
		mesh.initializeCenters();
		DBGVAR(mesh.computeElementMeasures().getDataByDim<3>(),ComputeCenters(mesh).getDataByDim<2>(),mesh.computeFaceNormals().getDataByPos<0>());



		VTKMeshWriter<3, size_t, double, 6> writer;
		ofstream out3D("3D_test_mesh_output.vtk");
		writer.writeHeader(out3D, "test data");
		writer.writeToStream(out3D, mesh, reader.getCellTypes());
		}


		@@ -687,14 +693,14 @@ DBGVAR(mesh.getVertices().size(),mesh.getEdges().size(), mesh.getFaces().size(),

		int main()
		{
		testMesh2D();
		//testMesh2D();
		//testMesh2DLoadAndWrite();
		testMesh3D();
		//testMesh3D();
		//test3DMeshDeformedPrisms();
		//testMeshDataContainer();
		//UnstructuredMesh<5, size_t, double, 6,5,4> m;
		//m.ComputeElementMeasures();
		//test3DMeshLoad();
		test3DMeshLoad();


		}