Re: Orientation style and mirror image transformations

[Jose' C. <cru...@ce...>]

I don't think to be affected by the change, so go ahead
regards

Il giorno 19/mar/10, alle ore 18:40, James Walker ha scritto:

> Let's say you have a TriMesh that is subject to an orientation- 
> reversing
> transformation (mirror image).  If you use a backface culling style,
> then the wrong side will be culled, and even if you don't, the  
> geometry
> will look weird due to the vertex normals being reversed.  However,  
> you
> can compensate by introducing a clockwise orientation style.
>
> With the higher-level geometries like Cylinder, this doesn't work,
> because they have a built-in counterclockwise orientation style.  This
> was done in 2003 by Dair Grant, in accordance with QD3D  
> documentation on
> orientation styles, but it seems problematic to me.  Comments?
> -- 
>    James W. Walker, Innoventive Software LLC
>    <http://www.frameforge3d.com/>
>
> ---------------------------------------------------------------------- 
> --------
> Download Intel&#174; Parallel Studio Eval
> Try the new software tools for yourself. Speed compiling, find bugs
> proactively, and fine-tune applications for parallel performance.
> See why Intel Parallel Studio got high marks during beta.
> http://p.sf.net/sfu/intel-sw-dev
> _______________________________________________
> Quesa-develop mailing list
> Que...@li...
> https://lists.sourceforge.net/lists/listinfo/quesa-develop
>

Pax et Bonum

# Dott. José Cruanyes Aguilar  -  C.E. Soft srl
#  Pzza. Firenze,4 MILANO  -  XX Settembre 10, CREMONA
#   02,3923101                0372,460602
http://www.linkedin.com/in/jcruanyes