vtkTestGraphAlgorithmSource
VTKExamples/Cxx/Developers/vtkTestGraphAlgorithmSource
Code¶
vtkTestGraphAlgorithmSource.cxx
#include "vtkTestGraphAlgorithmSource.h" #include "vtkObjectFactory.h" #include "vtkStreamingDemandDrivenPipeline.h" #include "vtkInformationVector.h" #include "vtkInformation.h" #include "vtkDataObject.h" #include "vtkSmartPointer.h" #include "vtkMutableUndirectedGraph.h" #include "vtkUndirectedGraph.h" #include "vtkGraph.h" vtkStandardNewMacro(vtkTestGraphAlgorithmSource); vtkTestGraphAlgorithmSource::vtkTestGraphAlgorithmSource() { this->SetNumberOfInputPorts(0); this->SetNumberOfOutputPorts(1); } vtkTestGraphAlgorithmSource::~vtkTestGraphAlgorithmSource() { } int vtkTestGraphAlgorithmSource::RequestData( vtkInformation *vtkNotUsed(request), vtkInformationVector **vtkNotUsed(inputVector), vtkInformationVector *outputVector) { vtkInformation *outInfo = outputVector->GetInformationObject(0); vtkGraph *output = vtkGraph::SafeDownCast( outInfo->Get(vtkDataObject::DATA_OBJECT())); vtkSmartPointer<vtkMutableUndirectedGraph> NewGraph = vtkSmartPointer<vtkMutableUndirectedGraph>::New(); //add 3 vertices NewGraph->AddVertex(); NewGraph->AddVertex(); NewGraph->AddVertex(); output->ShallowCopy(NewGraph); return 1; } int vtkTestGraphAlgorithmSource::RequestDataObject( vtkInformation*, vtkInformationVector**, vtkInformationVector* ) { vtkUndirectedGraph *output = 0; output = vtkUndirectedGraph::New(); this->GetExecutive()->SetOutputData(0, output); output->Delete(); return 1; } //---------------------------------------------------------------------------- void vtkTestGraphAlgorithmSource::PrintSelf(ostream& os, vtkIndent indent) { this->Superclass::PrintSelf(os,indent); }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(vtkTestGraphAlgorithmSource) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(vtkTestGraphAlgorithmSource MACOSX_BUNDLE vtkTestGraphAlgorithmSource.cxx) target_link_libraries(vtkTestGraphAlgorithmSource ${VTK_LIBRARIES})
Download and Build vtkTestGraphAlgorithmSource¶
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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 Some tarballs may be missing or out-of-date.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 vtkTestGraphAlgorithmSource and its CMakeLists.txt file. Once the tarball vtkTestGraphAlgorithmSource.tar has been downloaded and extracted,
cd vtkTestGraphAlgorithmSource/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:
./vtkTestGraphAlgorithmSource
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.