Hi Richard,
that's just strange, overviews have nothing special, there is just a switch
read wise to choose which image to use and the rest is the same and unaware
of the image origin.
Unless... are the overviews external?
Cheers
Andrea
On Thu, Mar 8, 2018 at 2:37 PM, Richard Duivenvoorde <rdmaili...@duif.net>
wrote:
> Hi All,
>
> We have some Geotiff rasters with small lines (cables) on it.
> Serving these transparent with Geoserver is fine, using
> InputTransparentColor set to #ffffff.
>
> But adding pyramids/overviews to it, the lines look better in QGIS, so
> we added the pyramids using gdaladdo.
>
> While that works for QGIS, for Geoserver (2.12.0) it looks as if the
> InputTransparentColor in the overviews is NOT used?
>
> The map is not transparent anymore, untill you zoom in at the base
> level, THEN the map will be transparent again.
>
> Using default raster sld.
>
> Anybody a clue?
>
> Regards,
>
> Richard Duivenvoorde
>
> PS:
>
> Gdalinfo for the original tiff (without pyramids):
>
> Driver: GTiff/GeoTIFF
> Files: WATER.tif
> Size is 13422, 20898
> Coordinate System is:
> PROJCS["Amersfoort / RD New",
> GEOGCS["Amersfoort",
> DATUM["Amersfoort",
> SPHEROID["Bessel 1841",6377397.155,299.1528128,
> AUTHORITY["EPSG","7004"]],
>
> TOWGS84[565.2369,50.0087,465.658,-0.406857,0.350733,-1.87035,4.0812],
> AUTHORITY["EPSG","6289"]],
> PRIMEM["Greenwich",0,
> AUTHORITY["EPSG","8901"]],
> UNIT["degree",0.0174532925199433,
> AUTHORITY["EPSG","9122"]],
> AUTHORITY["EPSG","4289"]],
> PROJECTION["Oblique_Stereographic"],
> PARAMETER["latitude_of_origin",52.15616055555555],
> PARAMETER["central_meridian",5.38763888888889],
> PARAMETER["scale_factor",0.9999079],
> PARAMETER["false_easting",155000],
> PARAMETER["false_northing",463000],
> UNIT["metre",1,
> AUTHORITY["EPSG","9001"]],
> AXIS["X",EAST],
> AXIS["Y",NORTH],
> AUTHORITY["EPSG","28992"]]
> Origin = (132801.000000000000000,452878.000000000000000)
> Pixel Size = (0.333333300000000,-0.333333300000000)
> Metadata:
> AREA_OR_POINT=Area
> Image Structure Metadata:
> COMPRESSION=LZW
> INTERLEAVE=BAND
> Corner Coordinates:
> Upper Left ( 132801.000, 452878.000) ( 5d 3'49.93"E, 52d 3'53.02"N)
> Lower Left ( 132801.000, 445912.001) ( 5d 3'51.56"E, 52d 0' 7.60"N)
> Upper Right ( 137275.000, 452878.000) ( 5d 7'44.84"E, 52d 3'53.60"N)
> Lower Right ( 137275.000, 445912.001) ( 5d 7'46.14"E, 52d 0' 8.18"N)
> Center ( 135038.000, 449395.000) ( 5d 5'48.11"E, 52d 2' 0.62"N)
> Band 1 Block=13422x1 Type=Byte, ColorInterp=Palette
> NoData Value=0
> Color Table (RGB with 256 entries)
> 0: 255,255,255,0
> 1: 0,0,255,255
> 2: 0,0,0,255
> 3: 0,0,0,255
> 4: 0,0,0,255
> 5: 0,0,0,255
> 6: 0,0,0,255
> 7: 0,0,0,255
> 8: 0,0,0,255
> 9: 0,0,0,255
> 10: 0,0,0,255
> etc....
>
> Gdalinfo for the tiff with pyramids:
>
> Driver: GTiff/GeoTIFF
> Files: WATER.tif
> Size is 13422, 20898
> Coordinate System is:
> PROJCS["Amersfoort / RD New",
> GEOGCS["Amersfoort",
> DATUM["Amersfoort",
> SPHEROID["Bessel 1841",6377397.155,299.1528128,
> AUTHORITY["EPSG","7004"]],
>
> TOWGS84[565.2369,50.0087,465.658,-0.406857,0.350733,-1.87035,4.0812],
> AUTHORITY["EPSG","6289"]],
> PRIMEM["Greenwich",0,
> AUTHORITY["EPSG","8901"]],
> UNIT["degree",0.0174532925199433,
> AUTHORITY["EPSG","9122"]],
> AUTHORITY["EPSG","4289"]],
> PROJECTION["Oblique_Stereographic"],
> PARAMETER["latitude_of_origin",52.15616055555555],
> PARAMETER["central_meridian",5.38763888888889],
> PARAMETER["scale_factor",0.9999079],
> PARAMETER["false_easting",155000],
> PARAMETER["false_northing",463000],
> UNIT["metre",1,
> AUTHORITY["EPSG","9001"]],
> AXIS["X",EAST],
> AXIS["Y",NORTH],
> AUTHORITY["EPSG","28992"]]
> Origin = (132801.000000000000000,452878.000000000000000)
> Pixel Size = (0.333333300000000,-0.333333300000000)
> Metadata:
> AREA_OR_POINT=Area
> Image Structure Metadata:
> COMPRESSION=LZW
> INTERLEAVE=BAND
> Corner Coordinates:
> Upper Left ( 132801.000, 452878.000) ( 5d 3'49.93"E, 52d 3'53.02"N)
> Lower Left ( 132801.000, 445912.001) ( 5d 3'51.56"E, 52d 0' 7.60"N)
> Upper Right ( 137275.000, 452878.000) ( 5d 7'44.84"E, 52d 3'53.60"N)
> Lower Right ( 137275.000, 445912.001) ( 5d 7'46.14"E, 52d 0' 8.18"N)
> Center ( 135038.000, 449395.000) ( 5d 5'48.11"E, 52d 2' 0.62"N)
> Band 1 Block=13422x1 Type=Byte, ColorInterp=Palette
> NoData Value=0
> Overviews: 6711x10449, 3356x5225, 1678x2613, 839x1307, 420x654,
> 210x327, 105x164, 53x82
> Color Table (RGB with 256 entries)
> 0: 255,255,255,0
> 1: 0,0,255,255
> 2: 0,0,0,255
> 3: 0,0,0,255
> 4: 0,0,0,255
> 5: 0,0,0,255
> 6: 0,0,0,255
> 7: 0,0,0,255
> 8: 0,0,0,255
> 9: 0,0,0,255
> 10: 0,0,0,255
> etc...
>
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--
Regards,
Andrea Aime
==
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==
Ing. Andrea Aime
@geowolf
Technical Lead
GeoSolutions S.A.S.
Via di Montramito 3/A
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