How to generate this edge effect?

OpenGL OpenGL: Basic Coding
1

Hey guys,

I’m a beginner with OpenGL and GLSL. In an interesting paper I have found visualizations like this:

[ATTACH=CONFIG]889[/ATTACH][ATTACH=CONFIG]890[/ATTACH]

Can someone of you explain to me how I can create this effect, when I have e.g. a triangulated torus? That would be awesome!

summer

2

You have to find the silhouette of the torus for the first image.
http://prideout.net/blog/?p=54

3

This seems to be exactly what I was looking for. Thank you bob