[Geoserver-devel] [JIRA] (GEOS-9434) SLDService can generate invalid SLD for rasters with a single value

Andrea Aime (JIRA) Tue, 17 Dec 2019 08:56:10 -0800

Title: Message Title

Andrea Aime created an issue

Issue Type:	Bug
Assignee:	Andrea Aime
Created:	17/Dec/19 5:55 PM
Priority:	Medium
Reporter:	Andrea Aime

Classifying a raster that has a uniform value (e.g., all pixels at zero) causes the generation of a SLD with a single color map entry, e.g.:

```

<?xml version="1.0" encoding="UTF-8"?><sld:StyledLayerDescriptor xmlns="http://www.opengis.net/sld" xmlns:sld="http://www.opengis.net/sld" xmlns:gml="http://www.opengis.net/gml" xmlns:ogc="http://www.opengis.net/ogc" version="1.0.0">
<sld:NamedLayer>
<sld:Name>farm:raster</sld:Name>
<sld:UserStyle>
<sld:Name>Default Styler</sld:Name>
<sld:FeatureTypeStyle>
<sld:Name>name</sld:Name>
<sld:Rule>
<sld:RasterSymbolizer>
<sld:ColorMap type="intervals">
<sld:ColorMapEntry color="#000000" opacity="0" quantity="10.0"/>
</sld:ColorMap>
<sld:ContrastEnhancement/>
</sld:RasterSymbolizer>
</sld:Rule>
</sld:FeatureTypeStyle>
</sld:UserStyle>
</sld:NamedLayer>
</sld:StyledLayerDescriptor>
```

However, that's not a valid SLD, unless the mode is "values" (interpolation and interval based ones need at least two entries)

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[Geoserver-devel] [JIRA] (GEOS-9434) SLDService can generate invalid SLD for rasters with a single value

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