Hi Adam,
Thanks for getting back to me -- it looks like your use case is at least
similar. Sorry to hear you're not getting good results.
On Tue, Jul 17, 2018 at 12:49 AM Adam Cecile <adam.cec...@hitec.lu> wrote:
> Hello,
>
> Sadly I'm experiencing the same issue and nobody has a clue:
> It seems GeoServer transparency is just not working.
>
>
> https://www.mail-archive.com/geoserver-users@lists.sourceforge.net/msg30078.html
>
> Regards, Adam.
>
> On 07/17/2018 02:08 AM, Michael J. Kitchin wrote:
>
> Hi Everyone,
>
> I have a number of grayscale rasters with overlapping extents. When
> incorporated into an imagemosic source the extents of these rasters appear
> to clip with an arbitrary z-ordering, obscuring whatever data happens to be
> in lower-level rasters.
>
> In most/all of these cases the overlapping areas have data in one raster
> and nodata in another so what I'd really like to see is either (a) only
> data to be rendered (nodata to be transparent) or (b) data to be stacked,
> since I'm confident merged results will generally dovetail.
>
> To make this happen I've tried most of the imagemosaic options, including:
>
> - BackgroundValues: Setting this to the nodata value (0) appears to do
> nothing
> - FootprintBehavior: Transparent causes render to fail
> (java.lang.NullPointerException in BorderOpImage.copyRasterData)
> - InputTransparentColor: Setting this to anything causes render to
> fail (java.lang.IllegalStateException: Unsupported data type in
> BaseSubmosaicProducer.collectGranules)
> - MergeBehavior: Both FLAT and STACK appears to do the same thing
>
> ...without any luck. Styling the nodata value (0) to opacity 0 doesn't
> help, either.
>
> What am I doing wrong?
>
> Here's gdalinfo from one of the rasters:
>
> Driver: GTiff/GeoTIFF
> Files: xxxx_yyyy_zzzz.tif
> Size is 2243, 2165
> Coordinate System is:
> GEOGCS["NAD83",
> DATUM["North_American_Datum_1983",
> SPHEROID["GRS 1980",6378137,298.2572221010002,
> AUTHORITY["EPSG","7019"]],
> TOWGS84[0,0,0,0,0,0,0],
> AUTHORITY["EPSG","6269"]],
> PRIMEM["Greenwich",0],
> UNIT["degree",0.0174532925199433],
> AUTHORITY["EPSG","4269"]]
> Origin = (-109.885930978329270,39.430237563412469)
> Pixel Size = (0.000925938113674,-0.000925913224073)
> Metadata:
> AREA_OR_POINT=Area
> Image Structure Metadata:
> INTERLEAVE=BAND
> Corner Coordinates:
> Upper Left (-109.8859310, 39.4302376) (109d53' 9.35"W, 39d25'48.86"N)
> Lower Left (-109.8859310, 37.4256354) (109d53' 9.35"W, 37d25'32.29"N)
> Upper Right (-107.8090518, 39.4302376) (107d48'32.59"W, 39d25'48.86"N)
> Lower Right (-107.8090518, 37.4256354) (107d48'32.59"W, 37d25'32.29"N)
> Center (-108.8474914, 38.4279365) (108d50'50.97"W, 38d25'40.57"N)
> Band 1 Block=2243x1 Type=Int32, ColorInterp=Gray
> NoData Value=0
>
> - Best wishes,
> Michael J. Kitchin
>
>
>
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> Please make sure you read the following two resources before posting to this
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> - Earning your support instead of buying it, but Ian Turton:
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> - The GeoServer user list posting guidelines:
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>
> If you want to request a feature or an improvement, also see this:
> https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer
>
> Geoserver-users@lists.sourceforge.nethttps://lists.sourceforge.net/lists/listinfo/geoserver-users
>
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>
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Please make sure you read the following two resources before posting to this
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- Earning your support instead of buying it, but Ian Turton:
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If you want to request a feature or an improvement, also see this:
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