This plugin allows mouse gestures on XSI.

With this tools, you can execute actions or scripts moving the mouse. The scripts arec ontextuals, differents objects can execute different actions with the same gesture. 

It has three gestures levels (object, model and scene), this allow us to create an "mouse synoptic" behavior.

This script is owned by Urban Simulations S.L. 

 This tool allow to change the color of the membres in a crowd, with this script is possible take some variations of the same models or "dress" all the crowd with similar colors.