Ciao Daniel,
can you provide a sample dataset?

Regards,
Simone Giannecchini
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On Fri, Jul 18, 2014 at 7:49 PM, DanielV <daniel.victo...@gmail.com> wrote:
> Hi Simone,
>
> Thanks for your attention. I'm using GeoServer 2.4.0 and right now I'm
> trying to use
> Background value=0
> InputTransparentColor=000000
>
> But when I open the openlayer image preview in Geoserver, I still see the
> black border around the image. One thing I noticed is that by using the
> InputTransparentColor, I now have an alpha channel with correct values but
> apparently the image preview is not respecting the alpha channel.
>
> Bellow is the gdalinfo for one of the pyramids tile.
>
> Driver: GTiff/GeoTIFF
> Files: mosaico_sul_01_01.tif
> Size is 8192, 8192
> Coordinate System is:
> GEOGCS["WGS 84",
>     DATUM["WGS_1984",
>         SPHEROID["WGS 84",6378137,298.257223563,
>             AUTHORITY["EPSG","7030"]],
>         AUTHORITY["EPSG","6326"]],
>     PRIMEM["Greenwich",0],
>     UNIT["degree",0.0174532925199433],
>     AUTHORITY["EPSG","4326"]]
> Origin = (-57.754539999999999,-22.341123000000000)
> Pixel Size = (0.000048008830920,-0.000048008830920)
> Metadata:
>   AREA_OR_POINT=Area
> Image Structure Metadata:
>   COMPRESSION=LZW
>   INTERLEAVE=PIXEL
> Corner Coordinates:
> Upper Left  ( -57.7545400, -22.3411230) ( 57d45'16.34"W, 22d20'28.04"S)
> Lower Left  ( -57.7545400, -22.7344113) ( 57d45'16.34"W, 22d44' 3.88"S)
> Upper Right ( -57.3612517, -22.3411230) ( 57d21'40.51"W, 22d20'28.04"S)
> Lower Right ( -57.3612517, -22.7344113) ( 57d21'40.51"W, 22d44' 3.88"S)
> Center      ( -57.5578958, -22.5377672) ( 57d33'28.42"W, 22d32'15.96"S)
> Band 1 Block=512x512 Type=Byte, ColorInterp=Red
> Band 2 Block=512x512 Type=Byte, ColorInterp=Green
> Band 3 Block=512x512 Type=Byte, ColorInterp=Blue
>
>
> Cheers
> Daniel
>
>
>
> --
> View this message in context: 
> http://osgeo-org.1560.x6.nabble.com/Transparent-background-in-ImagePyramid-tp5151837p5151840.html
> Sent from the GeoServer - User mailing list archive at Nabble.com.
>
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