The warping toolbox is a collection of 3 dimensional linear and non-linear warping functions written in Matlab that operate on point clouds (e.g., vertices, electrodes, dipoles). You can download the toolbox here. The toolbox functions are modelled after Roger P. Woods’ AIR 3.08 package, see its documentation for more background details.
The warping toolbox is released under the GPL license.
For more exposure, consider uploading this toolbox to the MATLAB Central File Exchange:
http://www.mathworks.com/matlabcentral/fileexchange/