On 1/12/2011 3:54 AM, Jaime Vives Piqueres wrote:
> Hi Ankur:
>
> I'm not sure that vlpov ouput info is what you think it is... seems to
> me that it is not computing all the transformations to update the
> look_at info. But there is a of course a way to verify: place something
> at <0,0,0>, for example a red sphere, and see if the ouput image has
> this object centered on it.


I find that omitting the look_at and angle statements entirely and 
relying instead on direction, up and right is a lot easier if you know 
you'll have to come back and apply transformations to the camera later.

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