[GRASS-user] displaying points based on attributes
hamish_nospam at yahoo.com
Tue Oct 10 21:42:49 EDT 2006
> I have imported a shape file containing simple points, with an
> associated attribute table. I can see the attribute table in the
> 'dbf' directory of the mapset. When working from the display manager,
> however, I cannot find how to vary symbols/colors for the points,
> based on an attribute of choice. Can somebody please point out how
> this is done? Thanks in advance.
add the vector map multiple times, one for each symbol/color
combination, and then restrict with "use SQL query" box.
e.g. "ATTRIBUTE > 6" or "ATTRIBUTE = 'large'" See the SQL help
pages for syntax.
graduated by value:
d.vect.thematic (Add thematic map layer button next to add vector
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