[OpenLayers-Users] How to hide a feature from the map?

[Paul Meems]

I have a WFS layer that shows about 10 features.
I have made a SLD for this layer.
This SLD works fine when I define fill colors but when my attribute value
is 0 I don't want to see the feature so I added this to my SLD:
        <Rule>
          <Name>Default</Name>
          <PolygonSymbolizer>
            <Fill>false</Fill>
            <Stroke>false</Stroke>
          </PolygonSymbolizer>
        </Rule>
This results in my undefined (=default style) feature to be drawn with a
gray fill color and a black stroke.

I can't filter this feature because the user can do some calculations which
results in modified values of my attribute and thus in my coloring.

How should I hide this feature?

Thanks,

Paul

--
Organizing the International Open Source GIS conference 2012 in The
Netherlands:
http://www.mapwindow.org/conference/2012/
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