vtkTestReader
VTKExamples/Cxx/Developers/vtkTestReader
Code¶
vtkTestReader.cxx
#include "vtkTestReader.h" #include "vtkObjectFactory.h" #include "vtkStreamingDemandDrivenPipeline.h" #include "vtkInformationVector.h" #include "vtkInformation.h" #include "vtkDataObject.h" #include "vtkNew.h" vtkStandardNewMacro(vtkTestReader); vtkTestReader::vtkTestReader() { this->FileName = NULL; this->SetNumberOfInputPorts(0); this->SetNumberOfOutputPorts(1); } vtkTestReader::~vtkTestReader() { } // This override is not needed as the FillOutputPortInformation on vtkPolyDataAlgorithm // does this. Override this if you need something different from one output that // is a vtkPolyData int vtkTestReader::FillOutputPortInformation( int port, vtkInformation* info ) { if ( port == 0 ) { info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkPolyData" ); return 1; } return 0; } int vtkTestReader::RequestData( vtkInformation *vtkNotUsed(request), vtkInformationVector **vtkNotUsed(inputVector), vtkInformationVector *outputVector) { // Get the output vtkPolyData *output = vtkPolyData::GetData(outputVector,0) vtkNew<vtkPolyData> polydata; vtkNew<vtkPoints> points; points->InsertNextPoint(0.0, 0.0, 0.0); polydata->SetPoints(points.GetPointer()); //output = polydata.GetPointer(); //doesn't work output->ShallowCopy(polydata.GetPointer()); return 1; } //---------------------------------------------------------------------------- void vtkTestReader::PrintSelf(ostream& os, vtkIndent indent) { this->Superclass::PrintSelf(os,indent); os << indent << "File Name: " << (this->FileName ? this->FileName : "(none)") << "\n"; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(vtkTestReader) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(vtkTestReader MACOSX_BUNDLE vtkTestReader.cxx) target_link_libraries(vtkTestReader ${VTK_LIBRARIES})
Download and Build vtkTestReader¶
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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 Some tarballs may be missing or out-of-date.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 vtkTestReader and its CMakeLists.txt file. Once the tarball vtkTestReader.tar has been downloaded and extracted,
cd vtkTestReader/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:
./vtkTestReader
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.