I checked the threshold values contained within my dataset and found that the ranges were not what I expected and I was outside of that range. Everything works properly after tweaking the threshold values. Thanks!
From: [email protected] [mailto:[email protected]] On Behalf Of Chad Clabaugh Sent: Thursday, May 28, 2009 9:45 AM To: [email protected] Subject: [mapserver-users] expressions and threshold color Hello, I'm attempting to color layers by their threshold values. When I use the following mapfile it is only coloring two layers instead of three. Also the layer its coloring changes based on the value in the expression but the areas of each layer never change. Am I going about this correctly? LAYER NAME Coverage TYPE POLYGON STATUS DEFAULT DATA ftwtest PROJECTION "init=epsg:4326" END CLASSGROUP "Coverage group" CLASS EXPRESSION ([THRESHOLD] >= -68) STYLE COLOR 255 0 0 END END CLASS EXPRESSION ([THRESHOLD] >= -73) STYLE COLOR 0 255 0 END END CLASS EXPRESSION ([THRESHOLD] >= -100) STYLE COLOR 0 0 255 END END Thank you.
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