2010/2/25 John Hunter <jdh2...@gmail.com>: > We rely on plenty of C++ code so this isn't a problem for us. We would have > to write an interface layer but it shouldn't be too difficult. The harder > problem may be dealing tracking the interior vs the edges of the mesh, but > certainly not insurmountable. If you'd like to contribute the code, that'd > be great. If you want to add some comments first, even better.
I'll be happy to contribute the code, but it certainly needs some reworking and investigation before, because I recall it to be written in part with german class names ... well, it was a high-school project ... long ago. I think the concept could be fairly easy if I'm not mistaken: One has a list of "pathes" (lines) and a list of "patches" (surfaces). When adding a plot, it will be both created and appended. Then the rendering engine clips the "pathes" and "patches" as mentioned. I think also it would be a nice idea to design the thing in the whole such that it can be integrated into matplotlib's core, I mean, that one does not need to call another module to make 3D plots, but instead simply passes another coordinate as non-None. But this is just an idea, I'm inclined to believe that it's maybe not feasible at the present point. Also I have way to low knowledge about mplot3d and am in fact new to it. Thus please apologise this thought if it is half-baken or even raw. > I believe the faces are quadrilateral, and Michael already wrote the code to > convert these to triangle meshes for his gouraud shading work ( which I'd > still like to see ported to 3d). That sounds good, at least to me. In fact, the project of mine is a complete renderer, thus we could also incorporate any kind of shading and light sources and shadows ...... I send a picture appended. > It looks like we have enough 3D projects to justify a google summer of code > student. Would those of you with an interest in mplot3d and some knowledge > of the internals be interested in helping mentor a student? I never dived very deeply into matplotlib, and don't know how much time I can efford for even one more project, but I can certainly help with telling the concepts of my implementation etc. and how I coded things, such that another person can do the real work :-) In fact, even this small amount of help could maybe save us a lot of time? My deepest matplotlib project was that mentioned in the thread "Embedding matplotlib in Tkinter Applications" in the first post. (Soon unter MIT.) It would be great for me to make a contribution to a real usable rendering engine ... :-) Friedrich
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