PlotLegacyMethod
VTKExamples/Cxx/WishList/Plotting/PlotLegacyMethod
Code¶
PlotLegacyMethod.cxx
#include <vtkSphereSource.h> #include <vtkMath.h> #include <vtkDoubleArray.h> #include <vtkFieldData.h> #include <vtkPolyData.h> #include <vtkSmartPointer.h> #include <vtkPolyDataMapper.h> #include <vtkActor.h> #include <vtkRenderWindow.h> #include <vtkRenderer.h> #include <vtkRenderWindowInteractor.h> #include <vtkXYPlotActor.h> int main(int, char *[]) { vtkSmartPointer<vtkXYPlotActor> plot = vtkSmartPointer<vtkXYPlotActor>::New(); plot->ExchangeAxesOff(); plot->SetLabelFormat( "%g" ); plot->SetXTitle( "Level" ); plot->SetYTitle( "Frequency" ); plot->SetXValuesToIndex(); for (unsigned int i = 0 ; i < 2 ; i++) { vtkSmartPointer<vtkDoubleArray> array_s = vtkSmartPointer<vtkDoubleArray>::New(); vtkSmartPointer<vtkFieldData> field = vtkSmartPointer<vtkFieldData>::New(); vtkSmartPointer<vtkDataObject> data = vtkSmartPointer<vtkDataObject>::New(); for (int b = 0; b < 30; b++) /// Assuming an array of 30 elements { double val = vtkMath::Random(0.0,2.0); array_s->InsertValue(b,val); } field->AddArray(array_s); data->SetFieldData(field); plot->AddDataObjectInput(data); } plot->SetPlotColor(0,1,0,0); plot->SetPlotColor(1,0,1,0); vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New(); renderer->AddActor(plot); vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->AddRenderer( renderer ); renderWindow->SetSize(500,500); vtkSmartPointer<vtkRenderWindowInteractor> interactor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); interactor->SetRenderWindow( renderWindow ); // Initialize the event loop and then start it interactor->Initialize(); interactor->Start(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(PlotLegacyMethod) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(PlotLegacyMethod MACOSX_BUNDLE PlotLegacyMethod.cxx) target_link_libraries(PlotLegacyMethod ${VTK_LIBRARIES})
Download and Build PlotLegacyMethod¶
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 Some tarballs may be missing or out-of-date.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 PlotLegacyMethod and its CMakeLists.txt file. Once the tarball PlotLegacyMethod.tar has been downloaded and extracted,
cd PlotLegacyMethod/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:
./PlotLegacyMethod
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.