Hi Victor,
no, we're aware it does not work when there are two layers in the
request... it's odd to have two raster symbolizes in one style though...
Cheers
Andrea
On Thu, Jun 16, 2016 at 3:11 PM, Victor.Sinceac <[email protected]>
wrote:
> Hi,
>
> Color variable substitution works only when there is ONE SINGLE RULE in
> the SLD; when the SLD contains 2 or more rules, the variable substitution
> is broken and default color values are always used.
> It is reproducible on any raster layer in GeoServer 2.8.3/2.9.0.
>
> Did someone found a workaround to this issue?
>
> Here below a minimalist SLD (for DEM geotiff layer) with 2 similar rules
> with reversed default colors. The filter allows the client to explicitly
> call the 1st rule by using "ENV=rule:1".
> A WMS GetMap query with a different color value for a color (e.g.
> "ENV=rule:1;c1:%230000FF”, i.e. Blue instead default Read) returns as
> follows:
> - NOK: the default (Red) color when the SLD contain 2 rules
> - OK: the ENV value (Blue) color send in the query if the SLD only
> contains the 1st rule (i.e. the 2nd is manually removed from the SLD)
>
> <Rule><Name>Red_Water</Name>
>
> <ogc:Filter><ogc:PropertyIsEqualTo><ogc:Literal>1</ogc:Literal><ogc:Function
> name="env"><ogc:Literal>rule</ogc:Literal></ogc:Function></ogc:PropertyIsEqualTo></ogc:Filter>
>
>
> <RasterSymbolizer><Opacity>1.0</Opacity><ChannelSelection><GrayChannel><SourceChannelName>1</SourceChannelName></GrayChannel></ChannelSelection>
> <ColorMap type="intervals"><ColorMapEntry color=
> "${env('c1','#FF0000')}" quantity= "10"/><ColorMapEntry color=
> "${env('c2','#000000')}" quantity= "9000"/></ColorMap>
> </RasterSymbolizer>
> </Rule>
>
> <Rule><Name>Black_Water</Name><ogc:Filter><ogc:PropertyIsEqualTo><ogc:Literal>2</ogc:Literal><ogc:Function
> name="env"><ogc:Literal>rule</ogc:Literal></ogc:Function></ogc:PropertyIsEqualTo></ogc:Filter>
>
>
> <RasterSymbolizer><Opacity>1.0</Opacity><ChannelSelection><GrayChannel><SourceChannelName>1</SourceChannelName></GrayChannel></ChannelSelection>
> <ColorMap type="intervals"><ColorMapEntry color=
> "${env('c1','#000000')}" quantity= "10"/> <ColorMapEntry color=
> "${env('c2','#FF0000')}" quantity= "9000"/></ColorMap>
> </RasterSymbolizer>
> </Rule>
>
> Many Thanks,
> Victor
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