i see it's not easy :-) because i want to get object's wireframe at the end.
(from the viewpoint perspective , not as 3d) svg export more than obj and more or less real time i mean in a fast way if it'not work for gem, do you know any other tools exporting a 3d scene to (flat )vectors? Thanks for your help! py 2016-02-03 23:36 GMT+01:00 Jack <j...@rybn.org>: > I think, a loop like this should be doable (not sure, expert on shader > can help) ? : > Your coord vertices -> convert to RGB colors on fragment -> frame buffer > as texture -> get your new color on vertices from texture (with shader). > You will need to grab back texture on each frame if you want to get > 'real' value from texture. > But as Cyrille explain, it will not easy to get the geometry of the "3D > object" which need to know how to draw from your vertices (maybe doable > with an other texture :). > ++ > > Jack > > > > Le 03/02/2016 23:18, Jack a écrit : > > Le 03/02/2016 17:48, cyrille henry a écrit : > >> hello, > >> > >> There are exemple on how to export an obj file made of simple primitive. > >> (in Gem exemple directory 11.obj_exporter). But it will not work with > >> shaders. > >> > >> > >> since shader are computed in the graphic card, it's not easy to import a > >> geometry back to the CPU. > >> > >> but you can use your algorythm to draw an image that represent the 3D > >> vector (XYZ as RGB), and get the image back. > >> Then you can convert the image in a obj file. > > > > I was thinking about this point with texture. > > ++ > > > > Jack > > > > > >> > >> cheers > >> c > >> > >> > >> Le 03/02/2016 17:33, Py Fave a écrit : > >>> Hello list, > >>>D > >>> > >>> is it possible to export the result of a gem window as vectors? > >>> > >>> i am doing the classical plane 3d extrusion (via a shader) > >>> but need vectors as output > >>> > >>> 2d vector(prefered ) or 3d model > >>> what would work ? > >>> any hint welcome! > >>> > >>> > >>> i saw it was already asked a long time ago. > >>> any news in this area.? > >>> > >>> > >>> Do you know other programs to do that ? > >>> > >>> Thanks by advance > >>> > >>> Have fun ! > >>> > >>> Pierre-Yves > >>> > >>> > >>> > >>> > >>> _______________________________________________ > >>> Pd-list@lists.iem.at mailing list > >>> UNSUBSCRIBE and account-management -> > >>> http://lists.puredata.info/listinfo/pd-list > >>> > >> > >> _______________________________________________ > >> Pd-list@lists.iem.at mailing list > >> UNSUBSCRIBE and account-management -> > >> http://lists.puredata.info/listinfo/pd-list > > > > > > _______________________________________________ > > Pd-list@lists.iem.at mailing list > > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > > > > > _______________________________________________ > Pd-list@lists.iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list >
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