Information on Cognos Rave Chart Visualization Customizer Tool
High Level Set up steps details:
1. Need to register to Analytics Zone
2. Download tool from Downloads section
3. Get all samples for Cognos version from Analytical zone and keep at same place
4. Download Tool's documentation from link ( For Cognos 10.2.1.1) and follow direction:-
http://www.ibm.com/support/docview.wss?uid=swg27039892