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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