VTK/Examples/Cxx/IO/StructuredGridReader
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StructuredGridReader.cxx
#include <vtkSmartPointer.h>
#include <vtkPolyDataMapper.h>
#include <vtkStructuredGridReader.h>
#include <vtkStructuredGridGeometryFilter.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(.vtk)" << std::endl;
return EXIT_FAILURE;
}
std::string inputFilename = argv[1];
// Read the file
vtkSmartPointer<vtkStructuredGridReader> reader =
vtkSmartPointer<vtkStructuredGridReader>::New();
reader->SetFileName(inputFilename.c_str());
reader->Update();
vtkSmartPointer<vtkStructuredGridGeometryFilter> geometryFilter =
vtkSmartPointer<vtkStructuredGridGeometryFilter>::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;
}
Please try the new VTKExamples website.
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(StructuredGridReader)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(StructuredGridReader MACOSX_BUNDLE StructuredGridReader.cxx)
if(VTK_LIBRARIES)
target_link_libraries(StructuredGridReader ${VTK_LIBRARIES})
else()
target_link_libraries(StructuredGridReader vtkHybrid vtkWidgets)
endif()
Download and Build StructuredGridReader
Click here to download StructuredGridReader. and its CMakeLists.txt file.
Once the tarball StructuredGridReader.tar has been downloaded and extracted,
cd StructuredGridReader/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:
./StructuredGridReader
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.