Hi all, Thanks a lot Herbert Voss. I went back to pstricks. tex (1.15) and seem to me everything is fine. It seem to me my PC has a problem with pstricks. tex (1.16a). Thanks -------------- next part -------------- An HTML attachment was scrubbed... URL: http://tug.org/pipermail/pstricks/attachments/20071010/e028db0e/attachment.html