background dependant line styles ?

[Sacha Black]

second try. first one bounced.

sb
---------- Forwarded message ----------
From: Sacha Black <sacha.black at gmail.com>
Date: Oct 18, 2006 4:17 PM
Subject: background dependant line styles ?
To: MAPSERVER-USERS at lists.umn.edu


is it possible to have two styles for drawing a single line layer, where one
style is used most of the time and the alternate style is only used if a
background photo layer is turned on?

so for example most of the time I want my roads to draw in black, but if the
photo background is used the roads should draw on top in green.
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