mySLD.xml

<?xml version='1.0' encoding='ISO-8859-1'?>
<StyledLayerDescriptor version='1.0.0' xsi:schemaLocation='http://www.opengis.net/sld StyledLayerDescriptor.xsd' xmlns='http://www.opengis.net/sld' xmlns:ogc='http://www.opengis.net/ogc' xmlns:xlink='http://www.w3.org/1999/xlink' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'>
	<!-- a Named Layer is the basic building block of an SLD document -->
	<NamedLayer>
		<Name>SRTM2Color</Name>
		<UserStyle>
			<FeatureTypeStyle>
				<Rule>
					<RasterSymbolizer>
						<Opacity>1.0</Opacity>
						<ChannelSelection>
							<GrayChannel>
								<SourceChannelName>1</SourceChannelName>
							</GrayChannel>
						</ChannelSelection>
						<ColorMap extended='true' type='ramp'>
							<ColorMapEntry color='#000000' quantity='-32768'/>
							<ColorMapEntry color='#BA9800' quantity='15000'/>
						</ColorMap>
					</RasterSymbolizer>
				</Rule>
			</FeatureTypeStyle>
		</UserStyle>
	</NamedLayer>
</StyledLayerDescriptor>