I uploaded a new video to youtube, with a few improvements: - Phong material rendering - Pan/Zoom features
The video shows the 'cylinder head' (from opencascade website: http://www.opencascade.org/showroom/shapegallery/gal4/), rendered in Firefox 4 Beta 10: http://www.youtube.com/watch?v=gkfgpkXyt0k I'm about to upload the files so that you can test it online. Thomas 2011/1/28 Thomas Paviot <tpav...@gmail.com> > Dear all, > > I've been working for months on the upcoming WebGL technology ( > www.khronos.org/webgl/). I'm convinced it will bring CAD in another > paradigm. > > During this time, I read a lot of doc, specs, benchmarked a few webgl > libraries (GLGE, spidergl, threejs, o3d). And I also had to dive into > javascript (disgusting), CSS (awful) and OpenGL (nightmare). > > I uploaded to the repository a very first draft of a script enabling the > export of a TopoDS_Shape to WebGL. The result is an html page that can be > viewed in a web browser supporting the WebGL specs (Chrome 8, Firefox 4 Beta > 10, Minefield, Webkit). > > Source code is available at : h > ttp://code.google.com/p/pythonocc/source/browse/branches/webgl > Online webgl demo: http://webgl.pythonocc.org > Youtube screencast: http://www.youtube.com/watch?v=0GXbfzWV8qk > Website post: > http://www.pythonocc.org/news/experimental-webgl-renderer-towards-cad-in-a-browser/ > > The python script takes a TopoDS_Shape and generate a javascript named > 'shape.js'. This script is loaded by the html file. > > Note that this work is still a draft, and very basic. Of course you're > welcome to download/modify/improve the code, for instance: add shaders, > icons, optimize computations etc. > > The html page easily can be served by a simple http server, or a django > instance (or cherrypy or whatelse) to develop an 'HTTP visualization > server'. > > From my tests, using WebGL provides many advantages over OpenGL: the > modeling and rendering processes are separated, there's no need to > install/load an heavy GUI manager, shaders or beautiful effects can easily > be added, WebGL implementations are much better than the OCC one etc. > > Hope you'll like it, and much looking forward to reading your > feedbacks/suggestions/questions etc. > > Best Regards, > > Thomas > > >
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