[Paraview] Adding a new vtkCamera

[Utkarsh Ayachit]

Joel,

I am not clear where the line
"Renderer -> SetActiveCaveCamera(newCamera); " added?
You can switch cameras in a render module.
refer to vtkSMRenderModuleProxy::CreateVTKObjects(int numObjects).
In this case we have only changed the active camera on the client 
renderer. For this to work, it is essential that the renderer is created 
on the client as well. If you wanted to change the active camera on the 
render server as well, you would have to create a camera proxy on the 
servers and use a proxy property on the renderer proxy to set the active 
camera.

Utkarsh

Joel Howard Willis Weinberger wrote:

> I recently created a new subclass of vtkCamera (the purpose of which 
> is to add a head tracking support for 3d interactive environments) to 
> add to a custom render module. I created several vtk test suites in 
> which the new camera functioned very well.
>
> However, when I added the line
>
> Renderer -> SetActiveCaveCamera(newCamera);
>
> where newCamera is an instance of the vtkCamera subclass I get the error:
> "p0_1260:  p4_error: interrupt SIGSEGV: 11"
>
>
> Does anyone have any idea of how to add a new vtkCamera to a render 
> module? It seems like you should be able to arbitrarily switch cameras 
> in your render module. Thanks.
>
> --Joel Weinberger, Brown University
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