Hi to all,

I'm quite new to GeoServer (currently using the 2.1 RC3 version), i have a few 
questions about SLDs.

I'm styling a vector layer that has many polygons on which i project data which 
covers a numeric range. When the data range is really large (i.e. from 1-9Bil) 
the time it takes to render the layer is really long and i can see a lot of 
postgres processes running. Conversley, when the data range is small (i.e 
1-100) the rendering is very fast.

Also the number of classes generated (6) is equal regardless of the data range.

Is there a way of optimizing the SLDs classes creation when the data range is 
large? The SLD is generated using the GeoServer SLD Service which uses the 
following rule:

<sld:Rule>
      <sld:Title> &gt; 153.45 AND &lt;= 291.42</sld:Title>
      <ogc:Filter>
        <ogc:PropertyIsLessThanOrEqualTo>
          <ogc:Literal>291.42</ogc:Literal>
          <ogc:PropertyName>quantity</ogc:PropertyName>
        </ogc:PropertyIsLessThanOrEqualTo>
      </ogc:Filter>
      <sld:PolygonSymbolizer>
        <sld:Fill>
          <sld:CssParameter name="fill">#E6AA91</sld:CssParameter>
        </sld:Fill>
      </sld:PolygonSymbolizer>
</sld:Rule>


Maybe i'm missing something quite obvious, any help would be most appreciated
Thanks,
Simone
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