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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.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.
I realize that transparent images can be confusing. However, it is particularly nice in this case, because it allows the user to get a sense of the relative orientation of the isosurface to the underlying molecule which it surrounds.
Bill mentioned sorting the transparent polygons as a possible solution. If the (isosurface) polygon data structure is accessible from VisAD, would implementing a simple z-sort of this list be possible? I am not so concerned of a 'real-time' z-sort as the user rotates the molecule; a simple z-sort at the end of rotation would be sufficient to ensure that they have a nice looking picture after they get things into the desired orientation. Would this be a reasonable approach, or a futile waste of time?
If this works out, I would be happy to contribute the resulting code.JR Schmidt
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