Thinking... it might work if you use the sld:ChannelSelection.
Something like: <?xml version="1.0" encoding="UTF-8"?> <sld:StyledLayerDescriptor xmlns="http://www.opengis.net/sld"; xmlns:sld="http://www.opengis.net/sld"; xmlns:ogc="http://www.opengis.net/ogc"; xmlns:gml="http://www.opengis.net/gml"; version="1.0.0"> <sld:NamedLayer> <sld:Name>ncep_air_temperature_current_month_forecast_average</sld:Name> <sld:UserStyle> <sld:Name>ncep_air_temperature_current_month_forecast_average</sld:Name> <sld:Title>ncep_air_temperature_current_month_forecast_average</sld:Title> <sld:FeatureTypeStyle> <sld:Name>name</sld:Name> <sld:Rule> <sld:RasterSymbolizer> <ChannelSelection> <GrayChannel> <SourceChannelName>1</SourceChannelName> <ContrastEnhancement> <Histogram/> </ContrastEnhancement> </GrayChannel> </ChannelSelection> <ColorMap> <ColorMapEntry quantity='-50' label='-50 ºC' color='#3B4CC0' /> <ColorMapEntry quantity="-30" label="-30 ºC" color="#3B4CC0" /> <ColorMapEntry quantity="28.125" label="28.125 ºC" color="#C0282F" /> <ColorMapEntry quantity="30" label="30 ºC" color="#B4426" /> </ColorMap> </sld:RasterSymbolizer> </sld:Rule> </sld:FeatureTypeStyle> </sld:UserStyle> </sld:NamedLayer> </sld:StyledLayerDescriptor> Mind you, I have not tried it. 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The sender does not give any warranty or accept liability as the content, accuracy or completeness of sent messages and accepts no responsibility for changes made after they were sent or for other risks which arise as a result of e-mail transmission, viruses, etc. On Thu, Jan 21, 2016 at 8:55 PM, Bruce Crevensten <becrevens...@alaska.edu> wrote: > Hi! I've got a question about using the RasterSymbolizer in and SLD. Is it > possible to use both a ColorMap as well as the ContrastEnhancement feature > at the same time? When I try to combine both, I get a validation error (and > no images are generated via WMS requests) but I'm unsure exactly what the > error means. > > The underlying dataset in this case is a GeoTIFF where pixels contain > temperature values. > > The SLD that is working is: > > <?xml version="1.0" encoding="UTF-8"?> > <sld:StyledLayerDescriptor xmlns="http://www.opengis.net/sld"; > xmlns:sld="http://www.opengis.net/sld"; > xmlns:ogc="http://www.opengis.net/ogc"; > xmlns:gml="http://www.opengis.net/gml"; version="1.0.0"> > <sld:NamedLayer> > <sld:Name>ncep_air_temperature_current_month_forecast_average</sld:Name> > <sld:UserStyle> > > <sld:Name>ncep_air_temperature_current_month_forecast_average</sld:Name> > > <sld:Title>ncep_air_temperature_current_month_forecast_average</sld:Title> > <sld:FeatureTypeStyle> > <sld:Name>name</sld:Name> > <sld:Rule> > <sld:RasterSymbolizer> > <ColorMap> > <ColorMapEntry quantity='-50' label='-50 ºC' color='#3B4CC0' > /> > <ColorMapEntry quantity="-30" label="-30 ºC" color="#3B4CC0" > /> > (... snipping many other values ...) > <ColorMapEntry quantity="28.125" label="28.125 ºC" > color="#C0282F" /> > <ColorMapEntry quantity="30" label="30 ºC" color="#B4426" /> > </ColorMap> > </sld:RasterSymbolizer> > </sld:Rule> > </sld:FeatureTypeStyle> > </sld:UserStyle> > </sld:NamedLayer> > </sld:StyledLayerDescriptor> > > What I'd like to try out is: > > <?xml version="1.0" encoding="UTF-8"?> > <sld:StyledLayerDescriptor xmlns="http://www.opengis.net/sld"; > xmlns:sld="http://www.opengis.net/sld"; > xmlns:ogc="http://www.opengis.net/ogc"; > xmlns:gml="http://www.opengis.net/gml"; version="1.0.0"> > <sld:NamedLayer> > <sld:Name>ncep_air_temperature_current_month_forecast_average</sld:Name> > <sld:UserStyle> > > <sld:Name>ncep_air_temperature_current_month_forecast_average</sld:Name> > > <sld:Title>ncep_air_temperature_current_month_forecast_average</sld:Title> > <sld:FeatureTypeStyle> > <sld:Name>name</sld:Name> > <sld:Rule> > <sld:RasterSymbolizer> > <ContrastEnhancement> > <Histogram/> > </ContrastEnhancement> > <ColorMap> > <ColorMapEntry quantity='-50' label='-50 ºC' color='#3B4CC0' > /> > <ColorMapEntry quantity="-30" label="-30 ºC" color="#3B4CC0" > /> > (... snip many other entries...) > <ColorMapEntry quantity="28.125" label="28.125 ºC" > color="#C0282F" /> > <ColorMapEntry quantity="30" label="30 ºC" color="#B4426" /> > </ColorMap> > </sld:RasterSymbolizer> > </sld:Rule> > </sld:FeatureTypeStyle> > </sld:UserStyle> > </sld:NamedLayer> > </sld:StyledLayerDescriptor> > > When I try this, I get this validation error: > > line 15: cvc-complex-type.2.4.a: Invalid content was found starting with > element 'ColorMap'. One of '{"http://www.opengis.net/sld":ShadedRelief, > "http://www.opengis.net/sld":ImageOutline}' is expected. > > I can understand that an explicit color map along with a histogram may not > make sense, but wanted to give it a try and wasn't quite sure how to > interpret this error message. > > Relevant version information: > > Geoserver Version - 2.7-SNAPSHOT > Git Revision - 98c8cdc76eaca4d97043edbe2590927dd12fc4a8 > Build Date - 04-Oct-2015 13:52 > GeoTools Version - 13-SNAPSHOT (rev > c93ba46e2f17bc598279d80722b66d14f7877fe7) > GeoWebCache Version - 1.7-SNAPSHOT (rev > 00c39227c0fb6d9a7d0b347ae4875dad457de69b/00c39227c0fb6d9a7d0b347ae4875dad457de69b) > > -- > Bruce Crevensten > > Senior Software Engineer > (SNAP) Scenarios Network for Alaska & Arctic Planning > www.snap.uaf.edu > > ------------------------------------------------------------------------------ > Site24x7 APM Insight: Get Deep Visibility into Application Performance > APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month > Monitor end-to-end web transactions and take corrective actions now > Troubleshoot faster and improve end-user experience. Signup Now! > http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 > _______________________________________________ > Geoserver-users mailing list > Geoserver-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geoserver-users > ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ Geoserver-users mailing list Geoserver-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/geoserver-users
