Eigen::ArrayXXi distmesh::utils::findUniqueEdges(Eigen::Ref<Eigen::ArrayXXi const> const triangulation) {
// find all unique combinations
auto const combinations = nOverK(triangulation.cols(), 2);
// find unique edges for all combinations
// guarantee direction of edges with lower node index to higher index
std::set<std::array<int, 2>> uniqueEdges;
std::array<int, 2> edge = {{0, 0}};
for (int combination = 0; combination < combinations.rows(); ++combination)
for (int triangle = 0; triangle < triangulation.rows(); ++triangle) {
edge[0] = triangulation(triangle, combinations(combination, 0));
edge[1] = triangulation(triangle, combinations(combination, 1));
edge = edge[1] < edge[0] ? std::array<int, 2>{edge[1], edge[0]} : edge;
uniqueEdges.insert(edge);
}
// copy set to eigen array
Eigen::ArrayXXi edgeIndices(uniqueEdges.size(), 2);
int index = 0;
for (auto const& edge : uniqueEdges) {
edgeIndices(index, 0) = edge[0];
edgeIndices(index, 1) = edge[1];
index++;
}
return edgeIndices;
}
Eigen::ArrayXXi distmesh::utils::getTriangulationEdgeIndices(
Eigen::Ref<Eigen::ArrayXXi const> const triangulation,
Eigen::Ref<Eigen::ArrayXXi const> const edges) {
// find indices for each edge of triangulation in edge index array
Eigen::ArrayXXi edgeIndices(triangulation.rows(), triangulation.cols());
for (int element = 0; element < triangulation.rows(); ++element)
for (int node = 0; node < triangulation.cols(); ++node) {
// create edge with direction from node with lower index
// to node with higher index
auto const edge = (Eigen::ArrayXi(2) << triangulation(element, node), triangulation(element, (node + 1) % triangulation.cols())).finished();
// check if edge is in edges list, and get index
int edgeIndex = 0;
if (((edges.rowwise() - edge.transpose()).square().rowwise().sum().minCoeff(&edgeIndex) == 0) ||
((edges.rowwise() - edge.transpose().reverse()).square().rowwise().sum().minCoeff(&edgeIndex) == 0)) {
edgeIndices(element, node) = edgeIndex;
}
}
return edgeIndices;
}
void Expand(const TriMeshWithTopology& in,Real distance,int divs,TriMesh& m)
{
Assert(in.tris.size()==in.triNeighbors.size());
Assert(in.verts.size()==in.incidentTris.size());
if(divs > 1) {
FatalError("Only support 1 division yet");
}
Assert(divs <= 1);
vector<TriMeshEdge> edges;
vector<IntTriple> edgeIndices(in.tris.size());
GetPairedEdges(in,edges);
for(size_t i=0;i<edges.size();i++) {
edgeIndices[edges[i].t1][edges[i].e1] = i;
edgeIndices[edges[i].t2][edges[i].e2] = i;
}
vector<Vector3> tripts(in.tris.size()*3);
vector<Vector3> vertpts(in.verts.size());
vector<Vector3> edgepts(edges.size()*2);
for(size_t i=0;i<in.tris.size();i++) {
Vector3 n=in.TriangleNormal(i)*distance;
tripts[i*3] = in.TriangleVertex(i,0) + n;
tripts[i*3+1] = in.TriangleVertex(i,1) + n;
tripts[i*3+2] = in.TriangleVertex(i,2) + n;
}
for(size_t i=0;i<in.verts.size();i++) {
Vector3 n(Zero);
for(size_t j=0;j<in.incidentTris[i].size();j++)
n+=in.TriangleNormal(in.incidentTris[i][j]);
n.inplaceNormalize();
vertpts[i] = in.verts[i] + n * distance;
}
if(divs >= 1) {
for(size_t i=0;i<edges.size();i++) {
Vector3 n=in.TriangleNormal(edges[i].t1)+in.TriangleNormal(edges[i].t2);
n.inplaceNormalize();
edgepts[i*2] = in.verts[edges[i].v1] + n * distance;
edgepts[i*2+1] = in.verts[edges[i].v2] + n * distance;
}
}
m.verts = tripts;
ArrayUtils::concat(m.verts,vertpts);
ArrayUtils::concat(m.verts,edgepts);
m.tris.resize(0);
m.tris.reserve(in.tris.size() + 2*(1+divs)*edges.size() + in.verts.size());
//triangle faces
for(size_t i=0;i<in.tris.size();i++)
m.tris.push_back(IntTriple(i*3,i*3+1,i*3+2));
//vertex faces
int k1=(int)tripts.size();
int k2=(int)tripts.size()+(int)vertpts.size();
for(size_t i=0;i<in.verts.size();i++) {
if(divs==1) {
for(size_t j=0;j<in.incidentTris[i].size();j++) {
int t=in.incidentTris[i][j];
int vi=in.tris[t].getIndex(i);
Assert(vi >= 0);
int e1,e2;
edgeIndices[in.incidentTris[i][j]].getCompliment(vi,e1,e2);
int flip1 = (edges[e1].v1 == (int)i? 0 : 1);
int flip2 = (edges[e2].v1 == (int)i? 0 : 1);
m.tris.push_back(IntTriple(k1+i,t*3+vi,k2+e1*2+flip1));
m.tris.push_back(IntTriple(k1+i,k2+e2*2+flip2,t*3+vi));
}
}
else {
vector<int> ring; ring.reserve(in.incidentTris[i].size());
int t0=in.incidentTris[i][0];
while(ring.size() < in.incidentTris[i].size()) {
ring.push_back(t0);
int vi=in.tris[t0].getIndex(i);
t0=in.triNeighbors[t0][(vi+1)%3];
if(ring.size() >= 2)
Assert(t0 != ring[ring.size()-2]);
}
vector<int> v(ring.size());
for(size_t j=0;j<ring.size();j++) {
int t=ring[j];
int vi=in.tris[t].getIndex(i);
Assert(vi >= 0);
v[j] = t*3+vi;
}
for(size_t j=0;j<ring.size();j++) {
int vi=v[j];
int vn=v[(j+1)%ring.size()];
m.tris.push_back(IntTriple(k1+i,vi,vn));
}
}
}
//edge faces
for(size_t i=0;i<edges.size();i++) {
int v11=(edges[i].e1+1)%3,v12=(edges[i].e1+2)%3;
int v21=(edges[i].e2+1)%3,v22=(edges[i].e2+2)%3;
int t1=edges[i].t1;
int t2=edges[i].t2;
int a=t1*3+v11,b=t1*3+v12,c=t2*3+v21,d=t2*3+v22;
if(divs==0) {
m.tris.push_back(IntTriple(a,c,b));
m.tris.push_back(IntTriple(a,d,c));
}
else {
int e=k2+i*2;
int f=k2+i*2+1;
m.tris.push_back(IntTriple(a,f,b));
m.tris.push_back(IntTriple(a,e,f));
m.tris.push_back(IntTriple(e,c,f));
m.tris.push_back(IntTriple(e,d,c));
}
}
}
bool MeshTopologyTests::testEntityConstraints()
{
bool success = true;
// make two simple meshes
MeshTopologyPtr mesh2D = makeRectMesh(0.0, 0.0, 2.0, 1.0,
2, 1);
MeshTopologyPtr mesh3D = makeHexMesh(0.0, 0.0, 0.0, 2.0, 4.0, 3.0,
2, 2, 1);
unsigned vertexDim = 0;
unsigned edgeDim = 1;
unsigned faceDim = 2;
// first, check that unconstrained edges and faces are unconstrained
set< unsigned > boundaryEdges;
set< unsigned > internalEdges;
for (unsigned cellIndex=0; cellIndex<mesh2D->cellCount(); cellIndex++)
{
CellPtr cell = mesh2D->getCell(cellIndex);
unsigned sideCount = cell->getSideCount();
for (unsigned sideOrdinal=0; sideOrdinal<sideCount; sideOrdinal++)
{
unsigned edgeIndex = cell->entityIndex(edgeDim, sideOrdinal);
unsigned numCells = mesh2D->getActiveCellCount(edgeDim,edgeIndex);
if (numCells == 1) // boundary edge
{
boundaryEdges.insert(edgeIndex);
}
else if (numCells == 2)
{
internalEdges.insert(edgeIndex);
}
else
{
success = false;
cout << "testEntityConstraints: In initial 2D mesh, edge " << edgeIndex << " has active cell count of " << numCells << ".\n";
}
}
}
if (internalEdges.size() != 1)
{
success = false;
cout << "testEntityConstraints: In initial 2D mesh, there are " << internalEdges.size() << " internal edges (expected 1).\n";
}
for (set<unsigned>::iterator edgeIt=internalEdges.begin(); edgeIt != internalEdges.end(); edgeIt++)
{
unsigned edgeIndex = *edgeIt;
unsigned constrainingEntityIndex = mesh2D->getConstrainingEntity(edgeDim,edgeIndex).first;
if (constrainingEntityIndex != edgeIndex)
{
success = false;
cout << "testEntityConstraints: In initial 2D mesh, internal edge is constrained by a different edge.\n";
}
}
set<unsigned> boundaryFaces;
set<unsigned> internalFaces;
map<unsigned, vector<unsigned> > faceToEdges;
for (unsigned cellIndex=0; cellIndex<mesh3D->cellCount(); cellIndex++)
{
CellPtr cell = mesh3D->getCell(cellIndex);
unsigned sideCount = cell->getSideCount();
for (unsigned sideOrdinal=0; sideOrdinal<sideCount; sideOrdinal++)
{
unsigned faceIndex = cell->entityIndex(faceDim, sideOrdinal);
unsigned numCells = mesh3D->getActiveCellCount(faceDim,faceIndex);
if (numCells == 1) // boundary face
{
boundaryFaces.insert(faceIndex);
}
else if (numCells == 2)
{
internalFaces.insert(faceIndex);
}
else
{
success = false;
cout << "testEntityConstraints: In initial 3D mesh, face " << faceIndex << " has active cell count of " << numCells << ".\n";
}
if (faceToEdges.find(faceIndex) == faceToEdges.end())
{
CellTopoPtr faceTopo = cell->topology()->getSubcell(faceDim, sideOrdinal);
unsigned numEdges = faceTopo->getSubcellCount(edgeDim);
vector<unsigned> edgeIndices(numEdges);
for (unsigned edgeOrdinal=0; edgeOrdinal<numEdges; edgeOrdinal++)
{
edgeIndices[edgeOrdinal] = mesh3D->getFaceEdgeIndex(faceIndex, edgeOrdinal);
}
}
}
}
if (internalFaces.size() != 4)
{
success = false;
cout << "testEntityConstraints: In initial 3D mesh, there are " << internalFaces.size() << " internal faces (expected 4).\n";
}
for (set<unsigned>::iterator faceIt=internalFaces.begin(); faceIt != internalFaces.end(); faceIt++)
{
unsigned faceIndex = *faceIt;
unsigned constrainingEntityIndex = mesh3D->getConstrainingEntity(faceDim,faceIndex).first;
if (constrainingEntityIndex != faceIndex)
{
success = false;
cout << "testEntityConstraints: In initial 3D mesh, internal face is constrained by a different face.\n";
}
}
// now, make a single refinement in each mesh:
unsigned cellToRefine2D = 0, cellToRefine3D = 3;
mesh2D->refineCell(cellToRefine2D, RefinementPattern::regularRefinementPatternQuad(), mesh2D->cellCount());
mesh3D->refineCell(cellToRefine3D, RefinementPattern::regularRefinementPatternHexahedron(), mesh3D->cellCount());
// printMeshInfo(mesh2D);
// figure out which faces/edges were refined and add the corresponding
map<unsigned,pair<IndexType,unsigned> > expectedEdgeConstraints2D;
set<unsigned> refinedEdges;
for (set<unsigned>::iterator edgeIt=boundaryEdges.begin(); edgeIt != boundaryEdges.end(); edgeIt++)
{
set<unsigned> children = mesh2D->getChildEntitiesSet(edgeDim, *edgeIt);
if (children.size() > 0)
{
refinedEdges.insert(*edgeIt);
boundaryEdges.insert(children.begin(), children.end());
}
}
for (set<unsigned>::iterator edgeIt=internalEdges.begin(); edgeIt != internalEdges.end(); edgeIt++)
{
set<unsigned> children = mesh2D->getChildEntitiesSet(edgeDim, *edgeIt);
if (children.size() > 0)
{
refinedEdges.insert(*edgeIt);
internalEdges.insert(children.begin(), children.end());
for (set<unsigned>::iterator childIt = children.begin(); childIt != children.end(); childIt++)
{
unsigned childIndex = *childIt;
expectedEdgeConstraints2D[childIndex] = make_pair(*edgeIt, edgeDim);
}
}
}
// 1 quad refined: expect 4 refined edges
if (refinedEdges.size() != 4)
{
success = false;
cout << "After initial refinement, 2D mesh has " << refinedEdges.size() << " refined edges (expected 4).\n";
}
checkConstraints(mesh2D, edgeDim, expectedEdgeConstraints2D);
set<unsigned> refinedFaces;
map<unsigned,pair<IndexType,unsigned> > expectedFaceConstraints3D;
map<unsigned,pair<IndexType,unsigned> > expectedEdgeConstraints3D;
for (set<unsigned>::iterator faceIt=boundaryFaces.begin(); faceIt != boundaryFaces.end(); faceIt++)
{
set<unsigned> children = mesh3D->getChildEntitiesSet(faceDim, *faceIt);
if (children.size() > 0)
{
refinedFaces.insert(*faceIt);
boundaryFaces.insert(children.begin(), children.end());
}
}
for (set<unsigned>::iterator faceIt=internalFaces.begin(); faceIt != internalFaces.end(); faceIt++)
{
vector<unsigned> children = mesh3D->getChildEntities(faceDim, *faceIt);
if (children.size() > 0)
{
refinedFaces.insert(*faceIt);
internalFaces.insert(children.begin(), children.end());
for (unsigned childOrdinal = 0; childOrdinal < children.size(); childOrdinal++)
{
unsigned childIndex = children[childOrdinal];
expectedFaceConstraints3D[childIndex] = make_pair(*faceIt, faceDim);
unsigned numEdges = 4;
unsigned internalEdgeCount = 0; // for each child of a quad, we expect to have 2 internal edges
for (unsigned edgeOrdinal=0; edgeOrdinal<numEdges; edgeOrdinal++)
{
unsigned edgeIndex = mesh3D->getFaceEdgeIndex(childIndex, edgeOrdinal);
unsigned activeCellCount = mesh3D->getActiveCellCount(edgeDim, edgeIndex);
if (activeCellCount==2)
{
internalEdgeCount++;
expectedEdgeConstraints3D[edgeIndex] = make_pair(*faceIt, faceDim);
}
else if (activeCellCount==1) // hanging edge
{
if (! mesh3D->entityHasParent(edgeDim, edgeIndex))
{
cout << "Hanging edge with edgeIndex " << edgeIndex << " (in face " << childIndex << ") does not have a parent edge.\n";
cout << "Edge vertices:\n";
mesh3D->printEntityVertices(edgeDim, edgeIndex);
cout << "Face vertices:\n";
mesh3D->printEntityVertices(faceDim, childIndex);
success = false;
}
else
{
unsigned edgeParentIndex = mesh3D->getEntityParent(edgeDim, edgeIndex);
expectedEdgeConstraints3D[edgeIndex] = make_pair(edgeParentIndex, edgeDim);
}
}
else
{
cout << "Unexpected number of active cells: " << activeCellCount << endl;
}
}
if (internalEdgeCount != 2)
{
cout << "Expected internalEdgeCount to be 2; was " << internalEdgeCount << endl;
success = false;
}
}
}
}
// 1 hex refined: expect 6 refined faces
if (refinedFaces.size() != 6)
{
success = false;
cout << "After initial refinement, 3D mesh has " << refinedFaces.size() << " refined faces (expected 6).\n";
}
if (! checkConstraints(mesh3D, faceDim, expectedFaceConstraints3D, "refined 3D mesh") )
{
cout << "Failed face constraint check for refined 3D mesh." << endl;
success = false;
}
if (! checkConstraints(mesh3D, edgeDim, expectedEdgeConstraints3D, "refined 3D mesh") )
{
cout << "Failed edge constraint check for refined 3D mesh." << endl;
success = false;
}
// now, we refine one of the children of the refined cells in each mesh, to produce a 2-level constraint
set<unsigned> edgeChildren2D;
set<unsigned> cellsForEdgeChildren2D;
for (map<unsigned,pair<IndexType,unsigned> >::iterator edgeConstraint=expectedEdgeConstraints2D.begin();
edgeConstraint != expectedEdgeConstraints2D.end(); edgeConstraint++)
{
edgeChildren2D.insert(edgeConstraint->first);
unsigned cellIndex = mesh2D->getActiveCellIndices(edgeDim, edgeConstraint->first).begin()->first;
cellsForEdgeChildren2D.insert(cellIndex);
// cout << "cellsForEdgeChildren2D: " << cellIndex << endl;
}
// one of these has (1,0) as one of its vertices. Let's figure out which one:
unsigned vertexIndex;
if (! mesh2D->getVertexIndex(makeVertex(1, 0), vertexIndex) )
{
cout << "Error: vertex not found.\n";
success = false;
}
vector< pair<unsigned,unsigned> > cellsForVertex = mesh2D->getActiveCellIndices(vertexDim, vertexIndex);
if (cellsForVertex.size() != 2)
{
cout << "cellsForVertex should have 2 entries; has " << cellsForVertex.size() << endl;
success = false;
}
unsigned childCellForVertex, childCellConstrainedEdge;
set<unsigned> childNewlyConstrainingEdges; // the two interior edges that we break
for (vector< pair<unsigned,unsigned> >::iterator cellIt=cellsForVertex.begin(); cellIt != cellsForVertex.end(); cellIt++)
{
// cout << "cellsForVertex: " << cellIt->first << endl;
if ( cellsForEdgeChildren2D.find( cellIt->first ) != cellsForEdgeChildren2D.end() )
{
// found match
childCellForVertex = cellIt->first;
// now, figure out which of the "edgeChildren2D" is shared by this cell:
CellPtr cell = mesh2D->getCell(childCellForVertex);
unsigned numEdges = cell->getSideCount();
for (unsigned edgeOrdinal=0; edgeOrdinal<numEdges; edgeOrdinal++)
{
unsigned edgeIndex = cell->entityIndex(edgeDim, edgeOrdinal);
if (edgeChildren2D.find(edgeIndex) != edgeChildren2D.end())
{
childCellConstrainedEdge = edgeIndex;
}
else if ( mesh2D->getActiveCellCount(edgeDim, edgeIndex) == 2 )
{
childNewlyConstrainingEdges.insert(edgeIndex);
}
}
}
}
if (childNewlyConstrainingEdges.size() != 2)
{
cout << "Expected 2 newly constraining edges after 2nd refinement of 2D mesh, but found " << childNewlyConstrainingEdges.size() << endl;
success = false;
}
// refine the cell that matches (1,0):
mesh2D->refineCell(childCellForVertex, RefinementPattern::regularRefinementPatternQuad(), mesh2D->cellCount());
// now, fix the expected edge constraints, then check them...
set<unsigned> childEdges = mesh2D->getChildEntitiesSet(edgeDim, childCellConstrainedEdge);
if (childEdges.size() != 2)
{
cout << "Expected 2 child edges, but found " << childEdges.size() << ".\n";
success = false;
}
for (set<unsigned>::iterator edgeIt = childEdges.begin(); edgeIt != childEdges.end(); edgeIt++)
{
expectedEdgeConstraints2D[*edgeIt] = expectedEdgeConstraints2D[childCellConstrainedEdge];
}
expectedEdgeConstraints2D.erase(childCellConstrainedEdge);
for (set<unsigned>::iterator edgeIt = childNewlyConstrainingEdges.begin(); edgeIt != childNewlyConstrainingEdges.end(); edgeIt++)
{
set<unsigned> newChildEdges = mesh2D->getChildEntitiesSet(edgeDim, *edgeIt);
for (set<unsigned>::iterator newEdgeIt = newChildEdges.begin(); newEdgeIt != newChildEdges.end(); newEdgeIt++)
{
expectedEdgeConstraints2D[*newEdgeIt] = make_pair(*edgeIt,edgeDim);
}
}
if (! checkConstraints(mesh2D, edgeDim, expectedEdgeConstraints2D, "twice-refined 2D mesh") )
{
cout << "Failed constraint check for twice-refined 2D mesh." << endl;
success = false;
}
// now, do a second level of refinement for 3D mesh
// one of these has (1,2,0) as one of its vertices. Let's figure out which one:
if (! mesh3D->getVertexIndex(makeVertex(1, 2, 0), vertexIndex) )
{
cout << "Error: vertex not found.\n";
success = false;
}
cellsForVertex = mesh3D->getActiveCellIndices(vertexDim, vertexIndex);
if (cellsForVertex.size() != 4)
{
cout << "cellsForVertex should have 4 entries; has " << cellsForVertex.size() << endl;
success = false;
}
vector<unsigned> justCellsForVertex;
for (vector< pair<unsigned,unsigned> >::iterator entryIt = cellsForVertex.begin(); entryIt != cellsForVertex.end(); entryIt++)
{
justCellsForVertex.push_back(entryIt->first);
}
vector<unsigned> childCellIndices = mesh3D->getCell(cellToRefine3D)->getChildIndices(mesh3D);
std::sort(childCellIndices.begin(), childCellIndices.end());
vector<unsigned> matches(childCellIndices.size() + cellsForVertex.size());
vector<unsigned>::iterator matchEnd = std::set_intersection(justCellsForVertex.begin(), justCellsForVertex.end(), childCellIndices.begin(), childCellIndices.end(), matches.begin());
matches.resize(matchEnd-matches.begin());
if (matches.size() != 1)
{
cout << "matches should have exactly one entry, but has " << matches.size();
success = false;
}
unsigned childCellIndex = matches[0];
CellPtr childCell = mesh3D->getCell(childCellIndex);
set<unsigned> childInteriorUnconstrainedFaces;
set<unsigned> childInteriorConstrainedFaces;
unsigned faceCount = childCell->getSideCount();
for (unsigned faceOrdinal=0; faceOrdinal<faceCount; faceOrdinal++)
{
unsigned faceIndex = childCell->entityIndex(faceDim, faceOrdinal);
if (mesh3D->getActiveCellCount(faceDim, faceIndex) == 1)
{
// that's an interior constrained face, or a boundary face
if (expectedFaceConstraints3D.find(faceIndex) != expectedFaceConstraints3D.end())
{
// constrained face
childInteriorConstrainedFaces.insert(faceIndex);
}
}
else if (mesh3D->getActiveCellCount(faceDim, faceIndex) == 2)
{
// an interior unconstrained face
childInteriorUnconstrainedFaces.insert(faceIndex);
}
else
{
cout << "Error: unexpected active cell count. Expected 1 or 2, but was " << mesh3D->getActiveCellCount(faceDim, faceIndex) << endl;
success = false;
}
}
// Camellia::print("childInteriorUnconstrainedFaces", childInteriorUnconstrainedFaces);
// Camellia::print("childInteriorConstrainedFaces", childInteriorConstrainedFaces);
mesh3D->refineCell(childCellIndex, RefinementPattern::regularRefinementPatternHexahedron(), mesh3D->cellCount());
// update expected face and edge constraints
// set<unsigned> edgeConstraintsToDrop;
for (set<unsigned>::iterator faceIt=childInteriorConstrainedFaces.begin(); faceIt != childInteriorConstrainedFaces.end(); faceIt++)
{
unsigned faceIndex = *faceIt;
set<unsigned> newChildFaces = mesh3D->getChildEntitiesSet(faceDim, faceIndex);
for (set<unsigned>::iterator newChildIt=newChildFaces.begin(); newChildIt != newChildFaces.end(); newChildIt++)
{
unsigned newChildIndex = *newChildIt;
expectedFaceConstraints3D[newChildIndex] = expectedFaceConstraints3D[faceIndex];
// cout << "Expecting two-level face constraint: face " << newChildIndex << " constrained by face " << expectedFaceConstraints3D[newChildIndex].first << endl;
}
unsigned numEdges = mesh3D->getSubEntityCount(faceDim, faceIndex, edgeDim);
set<IndexType> childEdgesOnParentBoundary;
for (unsigned edgeOrdinal=0; edgeOrdinal<numEdges; edgeOrdinal++)
{
unsigned edgeIndex = mesh3D->getSubEntityIndex(faceDim, faceIndex, edgeDim, edgeOrdinal);
set<unsigned> newChildEdges = mesh3D->getChildEntitiesSet(edgeDim, edgeIndex);
for (set<unsigned>::iterator newChildIt=newChildEdges.begin(); newChildIt != newChildEdges.end(); newChildIt++)
{
unsigned newChildIndex = *newChildIt;
expectedEdgeConstraints3D[newChildIndex] = expectedEdgeConstraints3D[edgeIndex];
// cout << "Expecting two-level edge constraint: edge " << newChildIndex << " constrained by ";
// cout << typeString(expectedEdgeConstraints3D[newChildIndex].second) << " " << expectedEdgeConstraints3D[newChildIndex].first << endl;
childEdgesOnParentBoundary.insert(newChildIndex);
// edgeConstraintsToDrop.insert(edgeIndex);
}
}
for (set<unsigned>::iterator newChildIt=newChildFaces.begin(); newChildIt != newChildFaces.end(); newChildIt++)
{
unsigned newChildFaceIndex = *newChildIt;
int numEdges = mesh3D->getSubEntityCount(faceDim, newChildFaceIndex, edgeDim);
for (unsigned edgeOrdinal=0; edgeOrdinal<numEdges; edgeOrdinal++)
{
unsigned newChildEdgeIndex = mesh3D->getSubEntityIndex(faceDim, newChildFaceIndex, edgeDim, edgeOrdinal);
if (childEdgesOnParentBoundary.find(newChildEdgeIndex) == childEdgesOnParentBoundary.end())
{
expectedEdgeConstraints3D[newChildEdgeIndex] = expectedFaceConstraints3D[faceIndex];
}
}
}
expectedFaceConstraints3D.erase(faceIndex);
}
// for (set<unsigned>::iterator edgeToDropIt=edgeConstraintsToDrop.begin(); edgeToDropIt != edgeConstraintsToDrop.end(); edgeToDropIt++) {
// expectedEdgeConstraints3D.erase(*edgeToDropIt);
// }
for (set<unsigned>::iterator faceIt=childInteriorUnconstrainedFaces.begin(); faceIt != childInteriorUnconstrainedFaces.end(); faceIt++)
{
unsigned faceIndex = *faceIt;
set<unsigned> newChildFaces = mesh3D->getChildEntitiesSet(faceDim, faceIndex);
for (set<unsigned>::iterator newChildIt=newChildFaces.begin(); newChildIt != newChildFaces.end(); newChildIt++)
{
unsigned newChildIndex = *newChildIt;
expectedFaceConstraints3D[newChildIndex] = make_pair(faceIndex, faceDim);
}
expectedFaceConstraints3D.erase(faceIndex);
unsigned numEdges = mesh3D->getSubEntityCount(faceDim, faceIndex, edgeDim);
set<IndexType> childEdgesOnParentBoundary;
for (unsigned edgeOrdinal=0; edgeOrdinal<numEdges; edgeOrdinal++)
{
unsigned edgeIndex = mesh3D->getSubEntityIndex(faceDim, faceIndex, edgeDim, edgeOrdinal);
set<unsigned> newChildEdges = mesh3D->getChildEntitiesSet(edgeDim, edgeIndex);
for (set<unsigned>::iterator newChildIt=newChildEdges.begin(); newChildIt != newChildEdges.end(); newChildIt++)
{
unsigned newChildIndex = *newChildIt;
if (expectedEdgeConstraints3D.find(newChildIndex) == expectedEdgeConstraints3D.end()) // only impose edge constraint if there is not one already present
{
expectedEdgeConstraints3D[newChildIndex] = make_pair(edgeIndex,edgeDim);
}
childEdgesOnParentBoundary.insert(newChildIndex);
}
}
for (set<unsigned>::iterator newChildIt=newChildFaces.begin(); newChildIt != newChildFaces.end(); newChildIt++)
{
unsigned newChildFaceIndex = *newChildIt;
int numEdges = mesh3D->getSubEntityCount(faceDim, newChildFaceIndex, edgeDim);
for (unsigned edgeOrdinal=0; edgeOrdinal<numEdges; edgeOrdinal++)
{
unsigned newChildEdgeIndex = mesh3D->getSubEntityIndex(faceDim, newChildFaceIndex, edgeDim, edgeOrdinal);
if (childEdgesOnParentBoundary.find(newChildEdgeIndex) == childEdgesOnParentBoundary.end())
{
if (expectedEdgeConstraints3D.find(newChildEdgeIndex) == expectedEdgeConstraints3D.end()) // only impose edge constraint if there is not one already present
{
expectedEdgeConstraints3D[newChildEdgeIndex] = make_pair(faceIndex, faceDim);
}
}
}
}
}
if (! checkConstraints(mesh3D, edgeDim, expectedEdgeConstraints3D, "twice-refined 3D mesh") )
{
cout << "Failed edge constraint check for twice-refined 3D mesh." << endl;
success = false;
}
if (! checkConstraints(mesh3D, faceDim, expectedFaceConstraints3D, "twice-refined 3D mesh") )
{
cout << "Failed face constraint check for twice-refined 3D mesh." << endl;
success = false;
}
return success;
}