[图像处理][转载]VTK安装后的测试代码

#include "vtkConeSource.h" #include "vtkPolyDataMapper.h" #include "vtkRenderWindow.h" #include "vtkRenderWindowInteractor.h" #include "vtkCamera.h" #include "vtkActor.h" #include "vtkRenderer.h" #include "vtkCommand.h" #include "vtkBoxWidget.h" #include "vtkTransform.h" #include "vtkInteractorStyleTrackballCamera.h"

#include <vtkAutoInit.h> VTK_MODULE_INIT(vtkRenderingOpenGL2); VTK_MODULE_INIT(vtkInteractionStyle); class vtkMyCallback : public vtkCommand { public: static vtkMyCallback* New() { return new vtkMyCallback; } void Execute(vtkObject* caller, unsigned long, void*) VTK_OVERRIDE { vtkTransform* t = vtkTransform::New(); vtkBoxWidget* widget = reinterpret_cast<vtkBoxWidget*>(caller); widget->GetTransform(t); widget->GetProp3D()->SetUserTransform(t); t->Delete(); } };

int main() {

vtkConeSource* cone = vtkConeSource::New(); cone->SetHeight(3.0); cone->SetRadius(1.0); cone->SetResolution(10); vtkPolyDataMapper* coneMapper = vtkPolyDataMapper::New(); coneMapper->SetInputConnection(cone->GetOutputPort());

vtkActor* coneActor = vtkActor::New(); coneActor->SetMapper(coneMapper);

vtkRenderer* ren1 = vtkRenderer::New(); ren1->AddActor(coneActor); ren1->SetBackground(0.1, 0.2, 0.4);

vtkRenderWindow* renWin = vtkRenderWindow::New(); renWin->AddRenderer(ren1); renWin->SetSize(300, 300);

vtkRenderWindowInteractor* iren = vtkRenderWindowInteractor::New(); iren->SetRenderWindow(renWin);

vtkInteractorStyleTrackballCamera* style = vtkInteractorStyleTrackballCamera::New(); iren->SetInteractorStyle(style);

vtkBoxWidget* boxWidget = vtkBoxWidget::New(); boxWidget->SetInteractor(iren); boxWidget->SetPlaceFactor(1.25); boxWidget->SetProp3D(coneActor); boxWidget->PlaceWidget(); vtkMyCallback* callback = vtkMyCallback::New(); boxWidget->AddObserver(vtkCommand::InteractionEvent, callback);

boxWidget->On();

iren->Initialize(); iren->Start();

cone->Delete(); coneMapper->Delete(); coneActor->Delete(); callback->Delete(); boxWidget->Delete(); ren1->Delete(); renWin->Delete(); iren->Delete(); style->Delete();

return 0; }

结果显示：

参看：https://blog.csdn.net/GENGXINGGUANG/article/details/106820207