[Soc-2009-dev] Reports + Midterms + Blendernation

[joe]

Eh please don't use GLU.  We have our own tesselation library, no need
for a glu dependancy.

Jow

On Sun, Jun 28, 2009 at 1:47 PM, Sebastian<sebastian at opencollada.org> wrote:
> Hi Arystan,
>
> those samples rely on a GLU implementation. You might find the sources
> of those within the reference implementation by SGI or the MESA3D libraries.
>
> The code has not been changed during the last nine years and i have no
> experience with it.
>
> http://oss.sgi.com/cgi-bin/cvsweb.cgi/projects/ogl-sample/main/gfx/lib/glu/libtess/
> http://cgit.freedesktop.org/mesa/mesa/tree/src/glu/sgi/libtess
> http://cgit.freedesktop.org/mesa/mesa/tree/src/glu/mesa
>
> It is probably sufficient for the seldom case where COLLADA contains
> complex polygons. You probably get triangulated data most of the time...
> Use it ;)
>
> Sebastian
>
>
> Arystan Dyussenov wrote:
>> Hi, Sebastian,
>>
>> What do you think about this approach:
>> http://www.songho.ca/opengl/gl_tessellation.html?
>>
>> It seems optimal to me. Since some parts of Blender are already using
>> GLU, it doesn't create additional dependencies.
>>
>> Arystan
>>
>> On Fri, Jun 26, 2009 at 10:46 PM, Sebastian <sebastian at opencollada.org
>> <mailto:sebastian at opencollada.org>> wrote:
>>
>>     Chingiz,
>>
>>      > Does anyone have an idea how to import polygons with more than 4
>>      > vertices? Currently the importer simply ignores such polygons.
>>
>>     That's a non-trivial task especially when your polygon includes holes,
>>     too ;)
>>
>>     http://www.vterrain.org/Implementation/Libs/triangulate.html lists some
>>     of the available algorithms. Internally we are using FIST, an
>>     alternative would be to figure out the corresponding parts from
>>     OpenCascade.
>>
>>     Sebastian
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>>
>>
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