123 lines
3.9 KiB
C++
123 lines
3.9 KiB
C++
#include "dihedral_angles_filter.h"
|
|
#include "remove_external_cells_filter.h"
|
|
#include "surface_points_filter.h"
|
|
#include "project_surface_points_on_poly.h"
|
|
|
|
#include <vtkCellArrayIterator.h>
|
|
#include <vtkCellData.h>
|
|
#include <vtkDataSetReader.h>
|
|
#include <vtkOBJReader.h>
|
|
#include <vtkPolyData.h>
|
|
#include <vtkPolyDataReader.h>
|
|
#include <vtkUnstructuredGrid.h>
|
|
#include <vtkUnstructuredGridReader.h>
|
|
#include <vtkXMLPolyDataReader.h>
|
|
#include <vtkXMLUnstructuredGridReader.h>
|
|
#include <vtkXMLUnstructuredGridWriter.h>
|
|
#include <vtksys/SystemTools.hxx>
|
|
|
|
#ifdef USE_VIEWER
|
|
#include <vtkCamera.h>
|
|
#include <vtkNamedColors.h>
|
|
#include <vtkOpenGLProjectedTetrahedraMapper.h>
|
|
#include <vtkPiecewiseFunction.h>
|
|
#include <vtkRenderWindow.h>
|
|
#include <vtkRenderWindowInteractor.h>
|
|
#include <vtkRenderer.h>
|
|
#include <vtkVolume.h>
|
|
#include <vtkVolumeMapper.h>
|
|
#include <vtkVolumeProperty.h>
|
|
#endif // USE_VIEWER
|
|
|
|
#include <array>
|
|
|
|
|
|
vtkSmartPointer<vtkAlgorithm> readerFromFileName(const char *fileName) {
|
|
std::string extension =
|
|
vtksys::SystemTools::GetFilenameLastExtension(fileName);
|
|
if (extension == ".vtk") {
|
|
auto reader = vtkDataSetReader::New();
|
|
reader->SetFileName(fileName);
|
|
return {reader};
|
|
} else if (extension == ".vtu") {
|
|
auto reader = vtkXMLUnstructuredGridReader::New();
|
|
reader->SetFileName(fileName);
|
|
return {reader};
|
|
} else if (extension == ".vtp") {
|
|
auto reader = vtkXMLPolyDataReader::New();
|
|
reader->SetFileName(fileName);
|
|
return {reader};
|
|
} else if (extension == ".obj") {
|
|
auto reader = vtkOBJReader::New();
|
|
reader->SetFileName(fileName);
|
|
return {reader};
|
|
}
|
|
throw std::runtime_error("Invalid file extension.");
|
|
}
|
|
|
|
|
|
int main(int argc, char **argv) {
|
|
if (argc != 3) {
|
|
std::cerr << "Usage: " << argv[0] << " tetmesh polydata" << std::endl;
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
auto tetMeshReader = readerFromFileName(argv[1]);
|
|
auto polyMeshReader = readerFromFileName(argv[2]);
|
|
|
|
vtkNew<DihedralAnglesFilter> dihedralAnglesFilter;
|
|
dihedralAnglesFilter->SetInputConnection(tetMeshReader->GetOutputPort());
|
|
|
|
vtkNew<RemoveExternalCellsFilter> removeExternalCellsFilter;
|
|
removeExternalCellsFilter->SetInputConnection(0,
|
|
dihedralAnglesFilter->GetOutputPort());
|
|
removeExternalCellsFilter->SetInputConnection(1,
|
|
polyMeshReader->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(project->GetOutputPort());
|
|
writer->SetDataModeToAscii();
|
|
writer->SetFileName("out.vtu");
|
|
writer->Write();
|
|
|
|
#ifdef USE_VIEWER
|
|
/* Volume rendering properties */
|
|
vtkNew<vtkOpenGLProjectedTetrahedraMapper> volumeMapper;
|
|
volumeMapper->SetInputConnection(externalPointsFilter->GetOutputPort());
|
|
vtkNew<vtkVolume> volume;
|
|
volume->SetMapper(volumeMapper);
|
|
vtkNew<vtkPiecewiseFunction> transferFunction;
|
|
transferFunction->AddPoint(-1, 0);
|
|
transferFunction->AddPoint(1, 1);
|
|
volume->GetProperty()->SetScalarOpacity(transferFunction);
|
|
volume->GetProperty()->SetColor(transferFunction);
|
|
|
|
/* Renderer */
|
|
vtkNew<vtkNamedColors> colors;
|
|
std::array<unsigned char, 4> bkg{{26, 51, 102, 255}};
|
|
colors->SetColor("BkgColor", bkg.data());
|
|
vtkNew<vtkRenderer> renderer;
|
|
renderer->AddVolume(volume);
|
|
renderer->SetBackground(colors->GetColor3d("BkgColor").GetData());
|
|
renderer->ResetCamera();
|
|
renderer->GetActiveCamera()->Zoom(1.5);
|
|
vtkNew<vtkRenderWindow> renderWindow;
|
|
renderWindow->SetSize(300, 300);
|
|
renderWindow->AddRenderer(renderer);
|
|
renderWindow->SetWindowName("PFE");
|
|
vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
|
|
renderWindowInteractor->SetRenderWindow(renderWindow);
|
|
renderWindow->Render();
|
|
renderWindowInteractor->Start();
|
|
#endif
|
|
return EXIT_SUCCESS;
|
|
}
|