I've been studying topology lately and my teacher showed us some animations which were very very pretty. I'm interested in a freeware (possibly open-source) software that can deal with surfaces, I'm especially interested in polygons with identifications. By which I mean that I'd love to have a software that would render the surface given by a certain identification of edges of a polygon, but I wasn't able to find one, I'd appreciate anything that could get me started.
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This is only indirectly related to what you asked for, but Jeff Weeks has some interesting topology / geometry software over at GeometryGames.org. You haven't played billiards until you've tried playing it on a hyperbolic surface... |
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It's not downloadable software but this paper describes an algorithm: Automatic visualization of two-dimensional cellular complexes http://dx.doi.org/10.1007/3-540-62495-3_56 http://www.ic.unicamp.br/~stolfi/EXPORT/papers/by-tag/ros-men-loz-sto-96-vis.ps.gz |
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On http://www.win.tue.nl/~vanwijk/seifertview/ you can download a program that draws Seifert Surfaces (oriented 2-manifold which are bounded by a link or a knot). |
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