[vtkusers] How to get the zoom ratio of vtkCamera?

Shade shade_cn at mailandnews.com
Mon Mar 12 03:22:26 EST 2001

Dear Everyone,

How can I get the volume rendering zoom ratio?
For example, a volume image is 256*256*256(data),
it can be rendered in the screen with 512*512*512(image),
so the zoom ratio should be 2,
but how can I get the zoom ratio or the screen size of the volume iamge?


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