How about interactor using

Support
1

vtk.vtkInteractorStyleRubberBandPick
This interactor style allows the user to draw a rectangle in the render window by hitting ‘r’ .How can I do event(draw a rectangle) withou hitting ‘r’?

2

Hi,
You can call the method StartSelect() on your vtkInteractorStyleRubberBandPick and it will programmatically switch the interactor in selection mode.
Hope this helps,
J.

1 Like
3

Thanks. It works well.

4

Excuseme. But how to end with this selection mode?

5

Looks like the implementation is not finished to address this specific case.
An alternative is to simulate the press of the ‘r’ key on your vtkRenderWindowInteractor instance like this:

  iren->SetKeyCode('r');
  iren->InvokeEvent(vtkCommand::CharEvent, nullptr);
1 Like
6

Thanks.I use pyautogui to imitate pressing ‘r’ to stop selection mode .Maybe it’s not good enough.