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switch to loading unstructured grids

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This commit is contained in:
ccolin 2022-02-10 19:38:48 +01:00
parent d85c221acf
commit ecabdfe7d9
2 changed files with 29 additions and 18 deletions
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3
CMakeLists.txt
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@ -20,4 +20,5 @@ target_link_libraries(pfe PRIVATE
VTK::RenderingVolume VTK::RenderingVolume
VTK::CommonDataModel VTK::CommonDataModel
VTK::IOLegacy VTK::IOLegacy
VTK::IOXML) VTK::IOXML
VTK::RenderingVolumeOpenGL2)

44
src/main.cc
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@ -5,15 +5,17 @@
#include <vtkNew.h> #include <vtkNew.h>
#include <vtkPolyDataMapper.h> #include <vtkPolyDataMapper.h>
#include <vtkProperty.h> #include <vtkProperty.h>
#include <vtkVolumeProperty.h>
#include <vtkRenderWindow.h> #include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h> #include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h> #include <vtkRenderer.h>
#include <vtkVolumeMapper.h> #include <vtkVolumeMapper.h>
#include <vtkVolume.h> #include <vtkVolume.h>
#include <vtkProjectedTetrahedraMapper.h> #include <vtkOpenGLProjectedTetrahedraMapper.h>
#include <vtkDataSetReader.h> #include <vtkUnstructuredGridReader.h>
#include <vtkPolyDataReader.h> #include <vtkPolyDataReader.h>
#include <vtkXMLPolyDataReader.h> #include <vtkXMLPolyDataReader.h>
#include <vtkPiecewiseFunction.h>
#include <array> #include <array>
@ -28,33 +30,41 @@ int main(int argc, char **argv) {
std::array<unsigned char, 4> bkg{{26, 51, 102, 255}}; std::array<unsigned char, 4> bkg{{26, 51, 102, 255}};
colors->SetColor("BkgColor", bkg.data()); colors->SetColor("BkgColor", bkg.data());
vtkNew<vtkXMLPolyDataReader> reader; // vtkNew<vtkXMLPolyDataReader> reader;
vtkNew<vtkUnstructuredGridReader> reader;
reader->SetFileName(argv[1]); reader->SetFileName(argv[1]);
// vtkNew<vtkProjectedTetrahedraMapper> volumeMapper; vtkNew<vtkOpenGLProjectedTetrahedraMapper> volumeMapper;
// volumeMapper->SetInputConnection(reader->GetOutputPort()); volumeMapper->SetInputConnection(reader->GetOutputPort());
vtkNew<vtkPolyDataMapper> mapper; // vtkNew<vtkPolyDataMapper> mapper;
mapper->SetInputConnection(reader->GetOutputPort()); // mapper->SetInputConnection(reader->GetOutputPort());
// vtkNew<vtkVolume> volume; vtkNew<vtkVolume> volume;
// volume->SetMapper(volumeMapper); volume->SetMapper(volumeMapper);
vtkNew<vtkActor> actor; vtkNew<vtkPiecewiseFunction> transferFunction;
actor->SetMapper(mapper); transferFunction->AddPoint(-1, 100);
transferFunction->AddPoint(0, .5);
// transferFunction->AddPoint(1, 1);
volume->GetProperty()->SetScalarOpacity(transferFunction);
volume->GetProperty()->SetColor(transferFunction);
// vtkNew<vtkActor> actor;
// actor->SetMapper(mapper);
actor->GetProperty()->SetColor( // actor->GetProperty()->SetColor(
colors->GetColor4d("Tomato").GetData()); // colors->GetColor4d("Tomato").GetData());
actor->RotateX(30.0); // actor->RotateX(30.0);
actor->RotateY(-45.0); // actor->RotateY(-45.0);
vtkNew<vtkRenderer> renderer; vtkNew<vtkRenderer> renderer;
renderer->AddActor(actor); // renderer->AddActor(actor);
renderer->AddVolume(volume);
renderer->SetBackground(colors->GetColor3d("BkgColor").GetData()); renderer->SetBackground(colors->GetColor3d("BkgColor").GetData());
renderer->ResetCamera(); renderer->ResetCamera();
renderer->GetActiveCamera()->Zoom(1.5); renderer->GetActiveCamera()->Zoom(1.5);
vtkNew<vtkRenderWindow> renderWindow; vtkNew<vtkRenderWindow> renderWindow;
renderWindow->SetSize(300, 300); renderWindow->SetSize(300, 300);
renderWindow->AddRenderer(renderer); renderWindow->AddRenderer(renderer);
renderWindow->SetWindowName("Cylinder"); renderWindow->SetWindowName("PFE");
vtkNew<vtkRenderWindowInteractor> renderWindowInteractor; vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
renderWindowInteractor->SetRenderWindow(renderWindow); renderWindowInteractor->SetRenderWindow(renderWindow);
renderWindow->Render(); renderWindow->Render();