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61d1f67b06
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dcc99754b6
Author | SHA1 | Date | |
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dcc99754b6 | |||
5cb78e0881 | |||
80a3172c77 |
18
src/main.cc
18
src/main.cc
@ -44,10 +44,10 @@ int main(int argc, char **argv) {
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vtkNew<DihedralAnglesFilter> dihedralAnglesFilter;
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dihedralAnglesFilter->SetInputConnection(tetMeshReader->GetOutputPort());
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vtkNew<vtkXMLPolyDataReader> polyMeshReader;
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polyMeshReader->SetFileName(argv[2]);
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// vtkNew<vtkOBJReader> polyMeshReader;
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// vtkNew<vtkXMLPolyDataReader> polyMeshReader;
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// polyMeshReader->SetFileName(argv[2]);
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vtkNew<vtkOBJReader> polyMeshReader;
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polyMeshReader->SetFileName(argv[2]);
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vtkNew<RemoveExternalCellsFilter> removeExternalCellsFilter;
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removeExternalCellsFilter->SetInputConnection(0,
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@ -55,12 +55,16 @@ int main(int argc, char **argv) {
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removeExternalCellsFilter->SetInputConnection(1,
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polyMeshReader->GetOutputPort());
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// vtkNew<ProjectSurfacePointsOnPoly> project;
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// project->SetInputConnection(0, removeExternalCellsFilter->GetOutputPort());
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// project->SetInputConnection(1, pdReader->GetOutputPort());
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vtkNew<SurfacePointsFilter> surfacePointsFilter;
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surfacePointsFilter->SetInputConnection(
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removeExternalCellsFilter->GetOutputPort());
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vtkNew<ProjectSurfacePointsOnPoly> project;
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project->SetInputConnection(0, surfacePointsFilter->GetOutputPort());
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project->SetInputConnection(1, polyMeshReader->GetOutputPort());
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vtkNew<vtkXMLUnstructuredGridWriter> writer;
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writer->SetInputConnection(removeExternalCellsFilter->GetOutputPort());
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writer->SetInputConnection(project->GetOutputPort());
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writer->SetDataModeToAscii();
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writer->SetFileName("out.vtu");
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writer->Write();
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@ -17,7 +17,7 @@ double pointSegmentDistance(double *p, double *a, double *b, double* direction)
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vtkMath::Normalize(direction);
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return vtkMath::Norm(ap, 3);
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}
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double h = vtkMath::ClampValue(vtkMath::Dot(ap, ab) / segSqrLength, 0., 1.);
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vtkMath::MultiplyScalar(ab, h);
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@ -41,27 +41,27 @@ vtkTypeBool ProjectSurfacePointsOnPoly::RequestData(
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vtkInformationVector **inputVector,
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vtkInformationVector *outputVector) {
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(void) request;
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vtkUnstructuredGrid* us = vtkUnstructuredGrid::GetData(inputVector[0]);
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vtkPolyData* pd = vtkPolyData::GetData(inputVector[1]);
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vtkUnstructuredGrid* tetMesh = vtkUnstructuredGrid::GetData(inputVector[0]);
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vtkPolyData* polyMesh = vtkPolyData::GetData(inputVector[1]);
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vtkUnstructuredGrid* output =
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vtkUnstructuredGrid::GetData(outputVector);
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output->CopyStructure(us);
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output->GetPointData()->PassData(us->GetPointData());
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output->GetCellData()->PassData(us->GetCellData());
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output->CopyStructure(tetMesh);
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output->GetPointData()->PassData(tetMesh->GetPointData());
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output->GetCellData()->PassData(tetMesh->GetCellData());
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/* Generate cell links, these tell us which cell a point belongs to. */
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vtkNew<vtkStaticCellLinks> links;
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links->BuildLinks(pd);
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links->BuildLinks(polyMesh);
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vtkNew<vtkKdTree> kdTree;
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kdTree->BuildLocatorFromPoints(pd->GetPoints());
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kdTree->BuildLocatorFromPoints(polyMesh->GetPoints());
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vtkIdTypeArray *externalPoints =
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vtkIdTypeArray::SafeDownCast(us->GetFieldData()->GetArray("external_points"));
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for (vtkIdType i = 0; i < externalPoints->GetNumberOfTuples(); i++) {
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vtkIdTypeArray *surfacePoints =
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vtkIdTypeArray::SafeDownCast(tetMesh->GetFieldData()->GetArray("surface_points"));
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for (vtkIdType i = 0; i < surfacePoints->GetNumberOfTuples(); i++) {
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double p[3];
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us->GetPoint(externalPoints->GetTuple1(i), p);
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tetMesh->GetPoint(surfacePoints->GetTuple1(i), p);
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double dist2;
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vtkIdType closest = kdTree->FindClosestPoint(p, dist2);
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vtkIdType *cellIds = links->GetCells(closest);
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@ -73,7 +73,7 @@ vtkTypeBool ProjectSurfacePointsOnPoly::RequestData(
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for (vtkIdType j = 0; j < nCells; j++) {
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vtkIdType cellId = cellIds[j];
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double direction[3];
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double dist = pointTriangleDistance(p, pd->GetCell(cellId), direction);
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double dist = pointTriangleDistance(p, polyMesh->GetCell(cellId), direction);
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/* Find the closest one. */
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if (dist < min_dist) {
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min_dist = dist;
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@ -85,8 +85,8 @@ vtkTypeBool ProjectSurfacePointsOnPoly::RequestData(
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vtkMath::MultiplyScalar(min_direction, min_dist);
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vtkMath::Subtract(p, min_direction, p);
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us->GetPoints()->SetPoint(externalPoints->GetTuple1(i), p);
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us->Modified();
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tetMesh->GetPoints()->SetPoint(surfacePoints->GetTuple1(i), p);
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tetMesh->Modified();
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}
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return true;
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@ -52,7 +52,7 @@ vtkTypeBool SurfacePointsFilter::RequestData(
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/* Create an array to store the IDs of external points. */
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vtkNew<vtkIdTypeArray> externalPoints;
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externalPoints->SetName("external_points");
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externalPoints->SetName("surface_points");
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externalPoints->SetNumberOfComponents(1);
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vtkNew<vtkIntArray> isExternal;
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isExternal->SetName("bl");
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