[vtkusers] vtkCamera rotations

[ankitramani]

Hello,

I'm using a 2D medical image and I want to put flipping functionality. My
purpose is to flip, either horizontally or verticaly. 

My question is that I don't know exactly which is the proper method to
achieve the flipping with vtkCamera. For rotation, i tried azimuth, yaw and
setroll functions with 90 degree. I am getting image vertically. I want to
rotate horizontally with 90 degree. for camera, i am using following code, 


	vtkCamera *aCamera = vtkCamera::New();
	aCamera->SetViewUp(0, -1, 0);
	aCamera->SetPosition(-1, 0, 0);

Regards.
Ankit Ramani

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