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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
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To learn about what's going on, see About the Archive Site.
>From: Doug Lindholm <lind@xxxxxxxx> >Organization: UCAR/RAP >Keywords: 199905241546.JAA27623 Doug- >I too have been eager to get VisAD running on a Linux box. I recently >set up a VisAD "data server" on a Linux box running a recent Debian >distribution. I am using a souped up NT box to display the data via RMI. >It's working quite well so far. I'm glad to see Java3D is available for >Linux now so I can get rid of NT. Anyone have any graphics card >suggestions for Linux? I currently have a Diamond FireGL 4000 on the NT >box. I looked at the web pages for this version of Java3D. It looks like the native interface libraries are compiled against Mesa so the 3D is done in software, not hardware. Thus, I don't think the graphics card makes much of a difference. We have been experimenting with Java3D on Solaris X86 and SPARC using Mesa. In general, we've found two things about this - displays are "darker" than with the native SPARC Java3D and it is slower than the SPARC version. I was ready to abandon the X86 for VisAD work because the Mesa interface was so slow, but some recent changes by Bill in the display classes made a tremendous improvement so it is now an acceptable platform (Thanks, Bill!). I've still got a problem with some satellite displays which Bill thinks is related to the Mesa/OpenGL implementation, but we're still looking at that problem. I would suspect to see the same results under Linux with the implementation that is available. Don Murray ************************************************************* Don Murray UCAR Unidata Program dmurray@xxxxxxxxxxxxxxxx P.O. Box 3000 (303) 497-8628 Boulder, CO 80307 ************************************************************* Unidata WWW Server http://www.unidata.ucar.edu/ McIDAS Demonstration Machine http://mcdemo.unidata.ucar.edu/ *************************************************************
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