Hi All,
I have an image mosaic that I can successfully use footprint management to
remove black space.
When I use a different style to change the band combination of the image,
the footprints are no longer being applied. Is there a known reason for
this? Has anybody had any experience modifying the SLD to help filter black
space.
I am reluctant to use 000000 as a transparent colour as we are using
satellite imagery that may genuinely contain a value of zero for the NIR
band.
Thoughts appreciated, SLD below
<Rule>
<RasterSymbolizer>
<Opacity>0.2</Opacity>
<ChannelSelection>
<RedChannel>
<SourceChannelName>3</SourceChannelName>
</RedChannel>
<GreenChannel>
<SourceChannelName>2</SourceChannelName>
</GreenChannel>
<BlueChannel>
<SourceChannelName>1</SourceChannelName>
</BlueChannel>
</ChannelSelection>
</RasterSymbolizer>
</Rule>
With standard Raster Style (supplied to us as BGR):
<http://osgeo-org.1560.x6.nabble.com/file/n5229677/image_footprint_BGR.png>
With new user generated style (Bands reordered to RGB):
<http://osgeo-org.1560.x6.nabble.com/file/n5229677/image_footprint_RGB.png>
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