On 3 feb, 01:00, "Nicholas" <Yue.Nicho...@[EMAIL PROTECTED]
> wrote:
> Hi,
>
> In the past, I have hand translated the camera from various 3D
> application to RenderMan coordinate system but recently I realized I
> did not fully understand the mathematics behind them. Every new
> application I tackle requires me to think through and sort of fumble
> my way around.
>
> Some application provides their camera with transformation
> information like tx,ty,tz and rotx,roty,rotz while others, provides an
> (eye, target, upvector) set of vectors. So far, most apps have been in
> right-hand coordinate system and require translation to left-hand
> coordinate system.
>
> For the case of the (eye,target,upvector) case, I tried using the
> information in Application Note #15 to get the require rotx,roty and
> rotz angles.
>
> Does anyone know of a good place to get a good understanding of the
> camera transformation between 3d application and renderman?
>
> Regards
Hi Nicolas,
I'm not sure to completely understand your question or exactly what
you don't have clear on this camera transformation topic. Maybe this
information may help you, if not just ignore this comment.
http://www.rendermanacademy.com/phpBB2/viewtopic.php?p=1937&sid=b802b6ffd30e9af1dde464a360e48420
Felipe Esquivel
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