Is it possible : Change color on database field
woodbri at SWOODBRIDGE.COM
Fri Mar 18 08:37:32 EST 2005
Use a and EXPRESSION ([SPEED] < 0.5) or whatever you want to consider as
stopped in your CLASS and color it stopped, Follow this with a CLASS
with no EXPRESSION to be the default case and color it moving.
Stéphane RIFF wrote:
> What i want to do is :
> I represent gps track on a map, this work fine with one class and one
> I want mapserver to change the symbol color each time ths vehicles stop
> and start again
> in the database it's a field that match speed. So each time the speed
> field is equal to zero
> i want to change the color.
> I don't know how to do that , is it possible ??? How ???
> Hope i'm understandable
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