So, just so I know where this is at, the statement that there is no way to
do this 100% accurately in QC is valid?

-George Toledo

On Thu, Sep 9, 2010 at 2:05 PM, Christopher Wright <
[email protected]> wrote:

> I basically want to know the *exact *number, from Apple (or really, from
> anyone, but not a visual comparison/kinda close thing, like this).
>
>
> There isn't an exact number -- this sort of thing requires passing the
> coordinates through the projection matrix QC uses (undocumented, but it's
> been investigated on the list before in the past) as well as the model view
> matrix (which can be arbitrarily configured via Trackball and 3D
> Transformation).
>
> i'm going to assume this is for faking Z on a Billboard?  If so, why not
> just use a sprite?  If not, what other reason is there to fake Z positioning
> like this?  (I'm not saying there isn't a reason, I'm just not able to think
> of one off the top of my head :).
>
> --
> Christopher Wright
> [email protected]
>
>
>
>
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