Re: Question on GeomTest.

[Tom S. <to...@as...>]

Just a guess really, but try adding 0.5 to each pixel coordinate to ensure the point is at the centre of that pixel, eg. (50.5,50.5)
etc.

Tom

----- Original Message ----- 
From: "Peter Michelsen" <Pet...@mi...>
To: <que...@li...>
Sent: Wednesday, September 22, 2004 11:14 AM
Subject: Re: Question on GeomTest.


> Thanks for the answer.
>
> The rasterized objects are coming along but now and then points are a
> little under or a little over the float value I was expecting onscreen
> in pixels. Should I assume that the float value I give to Quesa in
> Rasterize Transforms to be equal to the pixel value on screen ?
>
> If they should I re-check my maths. Otherwise can I compensate in any
> way?
> (At the moment I am adding extra 1.0f to short lines, not ideal but is
> working.)
>
> Thanks in Advance,
> Peter.
>
>
>
> On 21 Sep 2004, at 16:50, James W. Walker wrote:
>
> >
> > On Sep 21, 2004, at 3:41 AM, Peter Michelsen wrote:
> >
> >> We have started to implement some of the new camera rastise transform
> >> style objects.
> >> I was reading the code in GeomTest for "createTestRasterize" and
> >> would like to know why you create UV's for the object even thou you
> >> are likely never to add a texture. In other words should I be
> >> creating UVs to camera rastise objects that I know will never have
> >> textures on them? Or have I miss the point of why the SurfaceUV
> >> attribute has been added.
> >
> > It's probably just because of the "Toggle Texture" command in Geom
> > Test.  For your own use, I do not think you need UVs on an object that
> > will not be textured.
> > --
> > <http://www.jwwalker.com/>
> >
> >
> >
> > -------------------------------------------------------
> > This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170
> > Project Admins to receive an Apple iPod Mini FREE for your judgement on
> > who ports your project to Linux PPC the best. Sponsored by IBM.
> > Deadline: Sept. 24. Go here: http://sf.net/ppc_contest.php
> > _______________________________________________
> > Quesa-develop mailing list
> > Que...@li...
> > https://lists.sourceforge.net/lists/listinfo/quesa-develop
> >
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170
> Project Admins to receive an Apple iPod Mini FREE for your judgement on
> who ports your project to Linux PPC the best. Sponsored by IBM.
> Deadline: Sept. 24. Go here: http://sf.net/ppc_contest.php
> _______________________________________________
> Quesa-develop mailing list
> Que...@li...
> https://lists.sourceforge.net/lists/listinfo/quesa-develop