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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.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.
At Wednesday, 06 February 2002, you wrote: >However, the real answer to your problem is to form your >lines as Gridded2DSets (if you want lines in 2-D) or >Grided3DSets (if you want lines in 3-D), in either case >with manifold dimension = 1. You can combine multiple >lines in a UnionSet. To get color, use your Set as the >domain Set of a FlatField with MathType (e.g., in the >3-D case): > > ((x, y, z) -> (r, g, b)) > >In your Display, map x -> XAxis, ..., r -> Red, ... >In your FlatField, set color values into r, g & b via >setSamples(). Could you apply this to the Rivers example? Then I think I would understand it. Rivers.java already uses a Unionset, so if you could take it from there and make one tributary red and another one blue. .
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