VisualDebugging
VTKExamples/Cxx/Demos/VisualDebugging
Code¶
VisualDebugging.cxx
#include <vtkSphereSource.h> #include <vtkObjectFactory.h> #include <vtkCommand.h> #include <vtkPolyData.h> #include <vtkSmartPointer.h> #include <vtkPolyDataMapper.h> #include <vtkActor.h> #include <vtkRenderWindow.h> #include <vtkRenderer.h> #include <vtkRenderWindowInteractor.h> #include <vtkInteractorStyleTrackballCamera.h> #include "vtkTestFilter.h" class CustomStyle : public vtkInteractorStyleTrackballCamera { public: static CustomStyle* New(); vtkTypeMacro(CustomStyle, vtkInteractorStyleTrackballCamera); CustomStyle() { this->Actor = vtkSmartPointer<vtkActor>::New(); this->Mapper = vtkSmartPointer<vtkPolyDataMapper>::New(); this->Filter = vtkSmartPointer<vtkTestFilter>::New(); } void CallbackFunction(vtkObject* caller, long unsigned int eventId, void* callData ) { std::cout << "CustomStyle::CallbackFunction called." << std::endl; vtkPolyData* intermediate = this->Filter->GetIntermediateOutput(); intermediate->Modified(); this->Mapper->SetInput(intermediate); this->Renderer->ResetCamera(); this->Renderer->Render(); this->Interactor->GetRenderWindow()->Render(); } void OnKeyPress() { // Get the keypress std::string key = this->Interactor->GetKeySym(); if(key == "s") // 'S'tart { this->Renderer->AddActor(this->Actor); this->Filter->AddObserver(this->Filter->RefreshEvent, this, &CustomStyle::CallbackFunction); this->Filter->Update(); this->Actor->SetMapper(this->Mapper); } // Forward events vtkInteractorStyleTrackballCamera::OnKeyPress(); } vtkRenderer* Renderer; vtkSmartPointer<vtkActor> Actor; vtkSmartPointer<vtkPolyDataMapper> Mapper; vtkSmartPointer<vtkTestFilter> Filter; }; vtkStandardNewMacro(CustomStyle); int main(int argc, char *argv[]) { // Create a renderer, render window, and interactor 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->SetBackground(1,1,1); // White vtkSmartPointer<CustomStyle> style = vtkSmartPointer<CustomStyle>::New(); style->Renderer = renderer; renderWindowInteractor->SetInteractorStyle(style); renderWindow->Render(); renderWindowInteractor->Start(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(VisualDebugging) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(VisualDebugging MACOSX_BUNDLE VisualDebugging.cxx) target_link_libraries(VisualDebugging ${VTK_LIBRARIES})
Download and Build VisualDebugging¶
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 VisualDebugging and its CMakeLists.txt file. Once the tarball VisualDebugging.tar has been downloaded and extracted,
cd VisualDebugging/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:
./VisualDebugging
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.