StructuredPointsReader
VTKExamples/Cxx/IO/StructuredPointsReader
Description¶
An example input file can be found at
Code¶
StructuredPointsReader.cxx
#include <vtkSmartPointer.h> #include <vtkPolyDataMapper.h> #include <vtkStructuredPointsReader.h> #include <vtkImageDataGeometryFilter.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(.jpeg)" << std::endl; return EXIT_FAILURE; } std::string inputFilename = argv[1]; // Read the file vtkSmartPointer<vtkStructuredPointsReader> reader = vtkSmartPointer<vtkStructuredPointsReader>::New(); reader->SetFileName(inputFilename.c_str()); reader->Update(); vtkSmartPointer<vtkImageDataGeometryFilter> geometryFilter = vtkSmartPointer<vtkImageDataGeometryFilter>::New(); geometryFilter->SetInputConnection(reader->GetOutputPort()); geometryFilter->Update(); // Visualize vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New(); mapper->SetInputConnection(geometryFilter->GetOutputPort()); vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New(); actor->SetMapper(mapper); 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(StructuredPointsReader) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(StructuredPointsReader MACOSX_BUNDLE StructuredPointsReader.cxx) target_link_libraries(StructuredPointsReader ${VTK_LIBRARIES})
Download and Build StructuredPointsReader¶
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 Some tarballs may be missing or out-of-date.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 StructuredPointsReader and its CMakeLists.txt file. Once the tarball StructuredPointsReader.tar has been downloaded and extracted,
cd StructuredPointsReader/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:
./StructuredPointsReader
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.