I'm using an IndexedQuadArray in BY_REFERENCE format. I've made minor changes to the PickTest demo, and when the PickTool.pickAllSorted() method is called,an IllegalStateException is thrown, indicating that the data cannot be directly accessed in BY_REFERENCE mode. Is there any way to retrieve the coordinates of a picked node using BY_REFERENCE mode for geometry??? Cheers, B. __________________________ Oceanic Consulting Corporation P.O. Box 28009 St. John's, NF, Canada A1B 4J8 (709) 722-9060/9064(fax) http://www.oceaniccorp.com __________________________ =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".