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From: skunkwerk <sku...@gm...> - 2008-03-18 20:41:49
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thanks Paolo, the tip worked like a charm! imran On Mon, Mar 17, 2008 at 11:18 PM, Paolo Cignoni <pao...@is...> wrote: > If you want to save the texture coords of a meshlab mesh compacted in a > per-vertex form (and therefore unifying the duplicate tex coords) > look at the obj exporter (at line 270 ) ; it does exactly the same job. > > it simply use a std::map<vcg::TexCoord2<float>,int> CoordIndexTexture; > to transform each tex coord into a index. > > Much simpler than using topology. > > p. > > > > skunkwerk wrote: > > is there any way to get the position (index) of a face in the m.facesvector without an iterator? > I am asking because the way i'm testing for repeated uv coords relies on > testing adjacent faces, with the adjacent face declared like: > CFaceO* adj = fit->FFp(y); //where fit is an iterator for the current face > > and if the test for identical uv coords between the current face and an > adjacent face is true, i'd like to know what the position of that adjacent > face is in the m.faces vector so I can copy it's uv coord index that i've > stored in a temporary data structure. > > thanks, > imran > > On Wed, Mar 5, 2008 at 1:46 PM, skunkwerk <sku...@gm...> wrote: > > > i was looking at the saved collada file from meshlab and noticed that > > texture coords were being repeated (as there are two coords per vertex, and > > the save function is generating them by iterating through faces-which may > > have the same vertices). so i wanted to change the floatarraytag in > > colladaformat.h to generate the tex coords per vertex (thus maintaining > > uniqueness) rather than by face, but i couldn't figure out how to do it: > > > > there is 'vit' which is a vertex vector iterator, so i thought i could > > do QString::number(vit->T().U()) or something but that didn't work. > > the face vector iterator currently does: > > QString::number(fit->cWT(ii).U()) > > > > how should i do this? > > > > thanks, > > imran > > > > ------------------------------ > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008.http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > ------------------------------ > > _______________________________________________ > Meshlab-devel mailing lis...@li...https://lists.sourceforge.net/lists/listinfo/meshlab-devel > > > > -- > Paolo Cignoni -- Senior Researcher > Visual Computing Laboratory - ISTI - CNR http://vcg.isti.cnr.it/~cignoni <http://vcg.isti.cnr.it/%7Ecignoni> > > ISTI - CNR > Via Moruzzi 1, > 56124 Pisa > ITALY > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Meshlab-devel mailing list > Mes...@li... > https://lists.sourceforge.net/lists/listinfo/meshlab-devel > > |
