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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::CommonDataModel
VTK::IOLegacy
VTK::IOXML)
VTK::IOXML
VTK::RenderingVolumeOpenGL2)

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