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Hi all, Don, Bill, Thanks for your insight before. I got those two things working.(Tick marks on the end, rubberband zooming) I've run into another issue. I'm trying to use DisplayImpl.getImage() to get an image of the display. The problem is that it stops where DisplayRendererJ2D.getImage() calls wait(). I already have the original getImage() call in a separate thread as described here: http://www.unidata.ucar.edu/projects/coohl/mhonarc/MailArchives/visad-list/msg03153.html I assume I have to notify something to make this work but I can't figure out what or how. Sorry if this is a simple thread question but I am pretty new to threads(especially java threads). I would use the java.util.Util.captureDisplay() function but I get a black image. The author of that article also had the same problem so I am trying to use his solution. I'm also using 1.4 but for linux. Thanks a bunch, Ben Monnahan
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