Hi: using jdk1.3 and java3d 1.2 beta 1; When I force a setTranslation on my Transform3D, it is sometimes fails to change the matrix: (I insist on the sometimes as it happens to work on one go, then fails on the next for a number of times code snip and resulting traces with trans3D a Transform3D initialized previously: with translation a Vector3d initialized previously: Pkg.trace.trace(0, "translate" + translation ); Pkg.trace.trace(0, "before trans3D =" + trans3D ); trans3D.setTranslation(translation); Pkg.trace.trace(0, "after trans3D=" + trans3D ); results in: [works.location.page.display] translate(0.24456278194365594, 0.19317808382875779, 1.357995128834866) [works.location.page.display] before trans3D = 1.0, 0.0, 0.0, -0.1283422459893051 0.0, 1.0, 0.0, 0.021390374331550888 0.0, 0.0, 1.0, 1.8106601717798212 0.0, 0.0, 0.0, 1.0 [works.location.page.display] after trans3D= 1.0, 0.0, 0.0, -0.1283422459893051 0.0, 1.0, 0.0, 0.021390374331550888 0.0, 0.0, 1.0, 1.8106601717798212 0.0, 0.0, 0.0, 1.0 No change..any idea why? is it a known bug??? Olivier Fillon Minestar Project [EMAIL PROTECTED] Mincom Limited Ph.+61-7-3303-3344 61 Wyandra Street Fax+61-7-3303-3232 Teneriffe Qld. 4005. Australia Company home page: http://www.mincom.com/ Personal home page: http://www.powerup.com.au/~fillon --- A word from our sponsor --- This transmission is for the intended addressee only and is confidential information. If you have received this transmission in error, please delete it and notify the sender. The contents of this E-mail are the opinion of the writer only and are not endorsed by Mincom Limited unless expressly stated otherwise. -- =========================================================================== 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".