Hi guys,
I have geoserver 2.1.3 with three image mosaik layers mounted together
in a layer group one over another with some transparente areas that does
not work.
Each layer is a satellite image at different resolution.
zoom > 200k - show layer 1
zoom <= 200k - show layer 1 and 2 (2 is upper layer)
zoom <= 20k - show layer 1, 2 and 3 (3 is upper layer)
To do this I'm using raster.sld with MaxScaleDenominator:
- 200000 for layer 2
- 25000 for layer 3
Layer 2 and 3 has alpha channel and should be transparent in some areas
(and show layer underneath) but transparence channel mapping in the
layer panel does not work with me.
I mounted the 3 layers in a layer group and try to see with the preview
in tiled version with PNG24bit output but it does not work.
I see layer 1 up to 200000 of zoom, and after layer 2 overwrite the
whole layer
1 and is white when it should be transparent. And so the layer 3.
Can you help me to understand what configuration will allows me to
make the transparence: the online manual does not work with me
(http://docs.geoserver.org/latest/en/user/tutorials/image_mosaic_plugin/imagemosaic.html)
in particular "Coverage Parameters" section seems a black box.
Thanks in advance for your help or reference.
Michele Mastrogiovanni
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