Question

I want to render a scene interactively. The controls are already provided so that you can position the camera with mouse but you never know the exact value.

I want to manipulate the internal camera values as well e.g focal length.

Externally I want to set the translation and rotation of the camera.

I want to give all the values manually. Could anyone please help to point to such a demo or a code snippet to do it. Preferably in python.

Thanks a lot.

Answer 1

You can get the camera from the renderer with renderer->GetActiveCamera(). Then you can manipulate it using the class functions: http://www.vtk.org/doc/nightly/html/classvtkCamera.html

Here is a simple Python example: http://www.vtk.org/Wiki/VTK/Examples/Python/Camera