Daniel E. Shipton wrote:
>
>
> On 11/7/06, *Marcus Lindblom* <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> 
> wrote:
>
>     Daniel E. Shipton wrote:
>     > As for the algorithm I used, I took the knowledge I had gained
>     working
>     > on the occlusion culling for 2.0 and used it to create the algorithm
>     > for switching LODs.  It basically takes into account how much
>     screen
>     > size an objects bounding box would take up and also how fast the
>     > triangles degrade within the node. It seems to work pretty well and
>     > the objects that are taking up the most screen real estate are
>     always
>     > rendered in high detail.
>     Would it be possible to back-port some code into 1.8 to get a function
>     that would give me a conservative screen-space bounding box of a
>     volume,
>     given a camera?
>
>     I'd like to use it as scissor value to avoid some unecessary
>     pixel-processing when compositing a few layers in my app.
>
>
> The math should be the same so go ahead and use what you need.  What 
> do you mean  by backporting?
Back-porting  taking something in a new version and putting it in an 
earlier version. But I suppose I should be able to pull out what I need 
from the 2.0 sources.

Cheers,
/Marcus




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