[vtkusers] about camera

[yxliu]

Hi, VTK users:

        I display a 3D image using the raycasting method. However , when  I change the position of camera I saw nothing. I set the potition of the camera to the default value, but nothing desplayed on the screen. How can I change the camera to view the image?


thank you in advance!
yxliu
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