Compare commits

..

3 Commits

Author SHA1 Message Date
dcc99754b6 blbllblbl 2022-03-08 14:26:23 +01:00
5cb78e0881 remove trailing whitespace grrrrrrrrrrrrr 2022-03-08 14:26:08 +01:00
80a3172c77 refactor surface point filter 2022-03-08 14:25:59 +01:00
4 changed files with 27 additions and 23 deletions

View File

@ -44,10 +44,10 @@ int main(int argc, char **argv) {
vtkNew<DihedralAnglesFilter> dihedralAnglesFilter;
dihedralAnglesFilter->SetInputConnection(tetMeshReader->GetOutputPort());
vtkNew<vtkXMLPolyDataReader> polyMeshReader;
polyMeshReader->SetFileName(argv[2]);
// vtkNew<vtkOBJReader> polyMeshReader;
// vtkNew<vtkXMLPolyDataReader> polyMeshReader;
// polyMeshReader->SetFileName(argv[2]);
vtkNew<vtkOBJReader> polyMeshReader;
polyMeshReader->SetFileName(argv[2]);
vtkNew<RemoveExternalCellsFilter> removeExternalCellsFilter;
removeExternalCellsFilter->SetInputConnection(0,
@ -55,12 +55,16 @@ int main(int argc, char **argv) {
removeExternalCellsFilter->SetInputConnection(1,
polyMeshReader->GetOutputPort());
// vtkNew<ProjectSurfacePointsOnPoly> project;
// project->SetInputConnection(0, removeExternalCellsFilter->GetOutputPort());
// project->SetInputConnection(1, pdReader->GetOutputPort());
vtkNew<SurfacePointsFilter> surfacePointsFilter;
surfacePointsFilter->SetInputConnection(
removeExternalCellsFilter->GetOutputPort());
vtkNew<ProjectSurfacePointsOnPoly> project;
project->SetInputConnection(0, surfacePointsFilter->GetOutputPort());
project->SetInputConnection(1, polyMeshReader->GetOutputPort());
vtkNew<vtkXMLUnstructuredGridWriter> writer;
writer->SetInputConnection(removeExternalCellsFilter->GetOutputPort());
writer->SetInputConnection(project->GetOutputPort());
writer->SetDataModeToAscii();
writer->SetFileName("out.vtu");
writer->Write();

View File

@ -17,7 +17,7 @@ double pointSegmentDistance(double *p, double *a, double *b, double* direction)
vtkMath::Normalize(direction);
return vtkMath::Norm(ap, 3);
}
double h = vtkMath::ClampValue(vtkMath::Dot(ap, ab) / segSqrLength, 0., 1.);
vtkMath::MultiplyScalar(ab, h);

View File

@ -41,27 +41,27 @@ vtkTypeBool ProjectSurfacePointsOnPoly::RequestData(
vtkInformationVector **inputVector,
vtkInformationVector *outputVector) {
(void) request;
vtkUnstructuredGrid* us = vtkUnstructuredGrid::GetData(inputVector[0]);
vtkPolyData* pd = vtkPolyData::GetData(inputVector[1]);
vtkUnstructuredGrid* tetMesh = vtkUnstructuredGrid::GetData(inputVector[0]);
vtkPolyData* polyMesh = vtkPolyData::GetData(inputVector[1]);
vtkUnstructuredGrid* output =
vtkUnstructuredGrid::GetData(outputVector);
output->CopyStructure(us);
output->GetPointData()->PassData(us->GetPointData());
output->GetCellData()->PassData(us->GetCellData());
output->CopyStructure(tetMesh);
output->GetPointData()->PassData(tetMesh->GetPointData());
output->GetCellData()->PassData(tetMesh->GetCellData());
/* Generate cell links, these tell us which cell a point belongs to. */
vtkNew<vtkStaticCellLinks> links;
links->BuildLinks(pd);
links->BuildLinks(polyMesh);
vtkNew<vtkKdTree> kdTree;
kdTree->BuildLocatorFromPoints(pd->GetPoints());
kdTree->BuildLocatorFromPoints(polyMesh->GetPoints());
vtkIdTypeArray *externalPoints =
vtkIdTypeArray::SafeDownCast(us->GetFieldData()->GetArray("external_points"));
for (vtkIdType i = 0; i < externalPoints->GetNumberOfTuples(); i++) {
vtkIdTypeArray *surfacePoints =
vtkIdTypeArray::SafeDownCast(tetMesh->GetFieldData()->GetArray("surface_points"));
for (vtkIdType i = 0; i < surfacePoints->GetNumberOfTuples(); i++) {
double p[3];
us->GetPoint(externalPoints->GetTuple1(i), p);
tetMesh->GetPoint(surfacePoints->GetTuple1(i), p);
double dist2;
vtkIdType closest = kdTree->FindClosestPoint(p, dist2);
vtkIdType *cellIds = links->GetCells(closest);
@ -73,7 +73,7 @@ vtkTypeBool ProjectSurfacePointsOnPoly::RequestData(
for (vtkIdType j = 0; j < nCells; j++) {
vtkIdType cellId = cellIds[j];
double direction[3];
double dist = pointTriangleDistance(p, pd->GetCell(cellId), direction);
double dist = pointTriangleDistance(p, polyMesh->GetCell(cellId), direction);
/* Find the closest one. */
if (dist < min_dist) {
min_dist = dist;
@ -85,8 +85,8 @@ vtkTypeBool ProjectSurfacePointsOnPoly::RequestData(
vtkMath::MultiplyScalar(min_direction, min_dist);
vtkMath::Subtract(p, min_direction, p);
us->GetPoints()->SetPoint(externalPoints->GetTuple1(i), p);
us->Modified();
tetMesh->GetPoints()->SetPoint(surfacePoints->GetTuple1(i), p);
tetMesh->Modified();
}
return true;

View File

@ -52,7 +52,7 @@ vtkTypeBool SurfacePointsFilter::RequestData(
/* Create an array to store the IDs of external points. */
vtkNew<vtkIdTypeArray> externalPoints;
externalPoints->SetName("external_points");
externalPoints->SetName("surface_points");
externalPoints->SetNumberOfComponents(1);
vtkNew<vtkIntArray> isExternal;
isExternal->SetName("bl");