EmbedPointsIntoVolume
VTKExamples/Cxx/PolyData/EmbedPointsIntoVolume
Code¶
EmbedPointsIntoVolume.cxx
#include <vtkVersion.h> #include <vtkPolyData.h> #include <vtkImageData.h> #include <vtkSmartPointer.h> #include <vtkXMLPolyDataReader.h> #include <vtkXMLImageDataWriter.h> #include <vtkGaussianSplatter.h> #include <vtkSphereSource.h> #include <vtkRenderer.h> #include <vtkRenderWindow.h> #include <vtkRenderWindowInteractor.h> #include <vtkContourFilter.h> #include <vtkPolyDataMapper.h> #include <vtkActor.h> #include <vtkProperty.h> int main(int argc, char *argv[]) { vtkSmartPointer<vtkPolyData> input = vtkSmartPointer<vtkPolyData>::New(); if(argc == 1) // Generate the data { vtkSmartPointer<vtkSphereSource> sphereSource = vtkSmartPointer<vtkSphereSource>::New(); sphereSource->SetRadius(.01); sphereSource->Update(); input->ShallowCopy(sphereSource->GetOutput()); } else // Read the data from a file { vtkSmartPointer<vtkXMLPolyDataReader> reader = vtkSmartPointer<vtkXMLPolyDataReader>::New(); reader->SetFileName(argv[1]); reader->Update(); input->ShallowCopy(reader->GetOutput()); } vtkSmartPointer<vtkGaussianSplatter> splatter = vtkSmartPointer<vtkGaussianSplatter>::New(); #if VTK_MAJOR_VERSION <= 5 splatter->SetInputConnection(input->GetProducerPort()); #else splatter->SetInputData(input); #endif unsigned int n = 200; splatter->SetSampleDimensions(n,n,n); splatter->SetRadius(.02); splatter->SetExponentFactor(-10); splatter->SetEccentricity(2); splatter->Update(); vtkSmartPointer<vtkContourFilter> isoSurface = vtkSmartPointer<vtkContourFilter>::New(); isoSurface->SetInputConnection(splatter->GetOutputPort()); isoSurface->SetValue(0, .95 * splatter->GetRadius()); // Visualize vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New(); mapper->SetInputConnection(isoSurface->GetOutputPort()); mapper->ScalarVisibilityOff(); vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New(); actor->SetMapper(mapper); actor->GetProperty()->SetColor(1.0, 0.3882, 0.2784); vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New(); vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->AddRenderer(renderer); vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); renderWindowInteractor->SetRenderWindow(renderWindow); renderer->AddActor(actor); renderer->SetBackground(.2, .3, .4); renderWindow->Render(); renderWindowInteractor->Start(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(EmbedPointsIntoVolume) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(EmbedPointsIntoVolume MACOSX_BUNDLE EmbedPointsIntoVolume.cxx) target_link_libraries(EmbedPointsIntoVolume ${VTK_LIBRARIES})
Download and Build EmbedPointsIntoVolume¶
Danger
The generation of tar files has not been ported to the new VTKExamples. Some tarballs may be missing or out-of-date.
Click here to download EmbedPointsIntoVolume and its CMakeLists.txt file. Once the tarball EmbedPointsIntoVolume.tar has been downloaded and extracted,
cd EmbedPointsIntoVolume/build
If VTK is installed:
cmake ..
If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:
cmake -DVTK_DIR:PATH=/home/me/vtk_build ..
Build the project:
make
and run it:
./EmbedPointsIntoVolume
WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.