VizWorld.com

Andrew Caudwell’s “Gource” is an animated visualization tool for viewing GIT & CVS source repositories.  From the description:

Software projects are displayed by Gource as an animated tree with the root directory of the project at its centre. Directories appear as branches with files as leaves. Developers can be seen working on the tree at the times they contributed to the project.

The videos show directories and files appear and bounce around on the graph, while the contributors fly around and touch files.  Some impressive videos are online, see a few after the break.

via gource – Project Hosting on Google Code. via infosthetics

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Science gource, sourcecode

The Alexandra Institute is back with another tutorial, this time pretty math-heavy as they describe a method for warping arbitrary 3D geometry using “Radial Basis Functions (RBF’s)”.  What are RBF’s you ask?

These are mathematical functions that take a real number as input argument and return a real number. RBFs can be used for creating a smooth interpolation between values known only at a discrete set of positions. The term radial is used because the input argument given is typically computed as the distance between a fixed position in 3D space and another position at which we would like to evaluate a certain quantity.

The tutorial contains descriptions of all the Linear Algebra involved, as well as C++ code and a Visual Studio project for you to try it out yourself.

via Noe’s tutorial on deforming 3D geometry using RBFs « Computer Graphics – Alexandra Institute.

Science geometry, sourcecode, tutorial