3D to 2D Rendering, OpenGL and MATLAB

Short notes on OpenGL rendering and attempted integration with MATLAB.

Vertex Buffer Objects (VBO)

• Allows you to give vertex, vertexnoms, face array locations directly for openGL to render (as opposed to drawing triangles one by one)

Frame Buffer Objects (FBO)

• Allows you to draw to a buffer/texture (without directly to the screen)

Ref: http://hacksoflife.blogspot.com/2006/10/vbos-pbos-and-fbos.html

MEX and OpenGL

• Use mex -v -lGL -lglut -lGLU cfile.c
• Problems with glutinit() when calling mex file (MATLAB crashes when mex file is caleld again - cant do repeated rendering/calculations)
• Probably not possible?
• http://www.mathworks.com/matlabcentral/newsreader/view_thread/166039
• http://mathforum.org/kb/message.jspa?messageID=6145127&tstart=15