VTK/Examples/Cxx/IO/ParticleReader
From KitwarePublic
- Contributed by: Andrew J. P. Maclean
This example reads in a dataset where each line consists of points with its position (x,y,z) and (possibly) a scalar.
ParticleReader.cxx
#include <vtkSmartPointer.h> #include <vtkProperty.h> #include <vtkPolyDataMapper.h> #include <vtkActor.h> #include <vtkParticleReader.h> #include <vtkRenderWindow.h> #include <vtkRenderWindowInteractor.h> #include <vtkRenderer.h> int main(int argc, char* argv[]) { // Verify input arguments if ( argc != 2 ) { std::cout << "Usage: " << argv[0] << " Filename(.xyz)" << std::endl; return EXIT_FAILURE; } // Read the file vtkSmartPointer<vtkParticleReader> reader = vtkSmartPointer<vtkParticleReader>::New(); reader->SetFileName ( argv[1] ); reader->Update(); std::cout << reader->GetOutput()->GetNumberOfCells() << std::endl; // Visualize vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New(); mapper->SetInputConnection(reader->GetOutputPort()); vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New(); actor->SetMapper(mapper); actor->GetProperty()->SetPointSize(4); actor->GetProperty()->SetColor(1,0,0); 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(.3, .6, .3); // Background color green renderWindow->Render(); renderWindowInteractor->Start(); return EXIT_SUCCESS; }
CMakeLists.txt
cmake_minimum_required(VERSION 2.8) PROJECT(ParticleReader) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) if (APPLE) add_executable(ParticleReader MACOSX_BUNDLE ParticleReader.cxx) else() add_executable(ParticleReader ParticleReader.cxx) endif() if(VTK_LIBRARIES) target_link_libraries(ParticleReader ${VTK_LIBRARIES}) else() target_link_libraries(ParticleReader vtkHybrid ) endif()
