Use vtkActor2D To Make 2D Button On Screen

Environment: VTK8.2.0 + Qt 5.12.2. I have tried vtkImageActor, vtkActor2D and vtkButtonWidget to make 2D button in different scenes. After comparing them, I think vtkActor2D is the most convenient and the safest solution. Here is an example using vtkButtonWidget, Use vtkButtonWidget To Create 2D Button. vtkImageActor is a 3D actor, we need Read more…

Check Point Inside Circle On Screen

This article is a sequel to the previous one Let’s check if the vertex of cone is inside the red circle when we move mouse. CustomIteractorStyle.cpp UPaintBrush.cpp UPaintBrush.h Output:

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A prohibited operation