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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
There are more changes in the way VisAD handles missing data and data excluded by SelectRange. If spatial DisplayRealType values are missing, VisAD will construct a partial topology from the valid data. Missing data handling has been a concern to a number of users. Please let me know if you encounter problems with this. Also, VisAD now will use texture mapping on curved surfaces and warped images in Java3D. This greatly improves performance on machines that support hardware texture mapping. The examples/SatDisplay program is a good example of these new capabilities. The new curved texture mapping can introduce inaccuracies in displays, but applications can control these by the GraphicsModeControl.setCurvedSize method. Its integer argument controls the size of "flat" areas in the texture map - the default is 10. A negative value disables curved texture mapping. All texture mapping can be disabled with the GraphicsModeControl.setTextureEnable(false) method call. Cheers, Bill ---------------------------------------------------------- Bill Hibbard, SSEC, 1225 W. Dayton St., Madison, WI 53706 hibbard@xxxxxxxxxxxxxxxxx 608-263-4427 fax: 608-263-6738 http://www.ssec.wisc.edu/~billh/vis.html
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