WCS raster output black & white on ECW
Shoaib Burq
hydromap at GMAIL.COM
Sat May 20 11:48:59 EDT 2006
Bart/Frank do u think its worth filing a bug on this?
On 5/19/06, Bart van den Eijnden (OSGIS) <bartvde at xs4all.nl> wrote:
> After inspecting the source code I think I know what is going on ... :-)
>
> If ows_extent is set, Mapserver does not inspect the file to get the
> extent. So it also does not determine how many bands a file has, and the
> number of bands apparently defaults to 1.
>
> If I set wcs_bandcount to 3 and keep ows_extent, it works fine.
>
> Best regards,
> Bart
>
> > Just found out after many hours that this is caused by having OWS_EXTENT
> > METADATA. If I comment out the OWS_EXTENT metadata, I get the coverage in
> > colour.
> >
> > Frank, any ideas what could cause this?
> >
> > LAYER
> > METADATA
> > "WMS_LAYER_GROUP" "/LUCHTFOTO/DIGITAAL KLEUREN
> > LUCHTFOTOGRAFIE"
> > "OWS_TITLE" "Luchtfoto 2005"
> > "OWS_ABSTRACT" "Luchtfoto 2005"
> > #"OWS_EXTENT" "10000 305000 280000 619000"
> > "WMS_METADATAURL_TYPE" "TC211"
> > "WMS_METADATAURL_FORMAT" "text/xml"
> > "WMS_METADATAURL_HREF"
> > "http://145.50.148.28/geoservices/widgets/GeoservicesCatalogSearch/WCASWrapper.php?WCASURL=http://145.50.148.28:8082/deegreewcas/wcas&FILEIDENTIFIER=AAA216"
> > "WFS_MAXFEATURES" "50"
> > "WCS_LABEL" "Digitale Kleuren Luchtfoto's Nederland.
> > Landsdekkende fotografie van Nederland."
> > "WCS_RANGESET_NAME" "Luchtfoto's"
> > "WCS_RANGESET_LABEL" "Luchtfoto's"
> > "WCS_FORMATS" "GEOTIFF,ECW,MRSID"
> > "WCS_RESOLUTION" "0.4 0.4"
> > "WCS_SIZE" "690000 800000"
> > "GML_INCLUDE_ITEMS" "all"
> > "GML_EXCLUDE_ITEMS" "class"
> > END
> > PROJECTION
> > "init=epsg:28992"
> > END
> > NAME "AAA216" # zie basispakket.mdb, ISO19115
> > DATA "aerogrid_nl2005/Aerogrid_NL2005_40cm.ecw"
> > STATUS ON
> > DUMP TRUE
> > TYPE RASTER
> > UNITS METERS
> > MAXSCALE 150000
> > END
> >
> > Best regards,
> > Bart
> >
> >> In addition, this is the output when CPL_DEBUG is ON:
> >>
> >> [Fri May 19 09:05:44 2006] [error] [client 145.50.90.64] ECW:
> >> NCScbmOpenFileView(/data/geopakhuis/aerogrid_nl2005/Aerogrid_NL2005_40cm.ecw):
> >> eErr = 0
> >> [Fri May 19 09:05:44 2006] [error] [client 145.50.90.64] ECW: FileInfo:
> >> SizeXY=690000,800000 Bands=3
> >> [Fri May 19 09:05:44 2006] [error] [client 145.50.90.64]
> >> OriginXY=8000,624000 CellIncrementXY=0.4,-0.4
> >> [Fri May 19 09:05:44 2006] [error] [client 145.50.90.64]
> >> [Fri May 19 09:05:44 2006] [error] [client 145.50.90.64] ECW:
> >> projection=LOCAL, datum=WGS84
> >> [Fri May 19 09:05:44 2006] [error] [client 145.50.90.64] GDAL:
> >> GDALOpen(/data/geopakhuis/aerogrid_nl2005/Aerogrid_NL2005_40cm.ecw)
> >> succeeds as ECW.
> >> [Fri May 19 09:05:44 2006] [error] [client 145.50.90.64]
> >> [Fri May 19 09:05:44 2006] [error] [client 145.50.90.64] ECWRasterBand:
> >> RasterIO(nXOff=443174,nYOff=749014,nXSize=1254,nYSize=751 -> 1252x750)
> >> [Fri May 19 09:05:45 2006] [error] [client 145.50.90.64] GDAL:
> >> GDALClose(/data/geopakhuis/aerogrid_nl2005/Aerogrid_NL2005_40cm.ecw)
> >> [Fri May 19 09:05:45 2006] [error] [client 145.50.90.64]
> >> [Fri May 19 09:05:45 2006] [error] [client 145.50.90.64] GDAL:
> >> GDALDriver::Create(MEM,msSaveImageGDAL_temp,1252,750,4,Byte,(nil))
> >> [Fri May 19 09:05:45 2006] [error] [client 145.50.90.64] ECW:
> >> GetGDTProjDat(28992) = NUTM31/RD
> >> [Fri May 19 09:05:45 2006] [error] [client 145.50.90.64] ECW: Writing
> >> with
> >> PROJ=NUTM31, DATUM=RD
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64] ECW:
> >> NCScbmOpenFileView(/data/OGC_UMN_services/tmp/ms_tmp/114802234574260.ecw):
> >> eErr = 0
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64] ECW: FileInfo:
> >> SizeXY=1252,750 Bands=4
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64]
> >> OriginXY=185270,324394 CellIncrementXY=0.40016,-0.4
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64]
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64] ECW:
> >> projection=NUTM31, datum=RD
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64] GDAL:
> >> GDALOpen(/data/OGC_UMN_services/tmp/ms_tmp/114802234574260.ecw) succeeds
> >> as ECW.
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64]
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64] GDAL:
> >> GDALClose(msSaveImageGDAL_temp)
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64]
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64] GDAL:
> >> GDALClose(/data/OGC_UMN_services/tmp/ms_tmp/114802234574260.ecw)
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64]
> >> [Fri May 19 09:06:00 2006] [error] [client 145.50.90.64] GDAL:
> >> GDALDeregister_GTiff() called.
> >>
> >> Best regards,
> >> Bart
> >>
> >>> Hi list,
> >>>
> >>> using Mapserver 4.8.3, GDAL 1.3.2 final and the latest ECW SDK we are
> >>> running into a strange issue. This is on Red Hat Enterprise 3.
> >>>
> >>> We use Mapserver WCS to output rasters in ECW, Geotiff and MrSID
> >>> format.
> >>> If we use a Geotiff as a source, all output from Mapserver WCS is okay.
> >>> If
> >>> we use an aerial photo in ECW format as input, all output (ECW, MrSID
> >>> as
> >>> well as Geotiff) comes out black and white instead of colour. WMS
> >>> output
> >>> is just fine. Any ideas what could be causing this?
> >>>
> >>> Btw, a direct gdal_translate works fine and outputs in colour:
> >>>
> >>> [root at poseidon gdelivery]# gdal_translate -of "Gtiff" -projwin 185269.9
> >>> 324394.4 185771.2 324093.7
> >>> /data/geopakhuis/aerogrid_nl2005/Aerogrid_NL2005_40cm.ecw
> >>> /tmp/testbart.tif
> >>> Input file size is 690000, 800000
> >>> Computed -srcwin 443174 749014 1253 752 from projected window.
> >>> 0...10...20...30...40...50...60...70...80...90...100 - done.
> >>>
> >>> These are the output formats used:
> >>>
> >>> OUTPUTFORMAT
> >>> NAME "GEOTIFF"
> >>> DRIVER "GDAL/GTiff"
> >>> MIMETYPE "image/tiff"
> >>> IMAGEMODE "RGBA"
> >>> EXTENSION "tif"
> >>> FORMATOPTION "COMPRESS=PACKBITS"
> >>> END
> >>>
> >>> OUTPUTFORMAT
> >>> NAME "ECW"
> >>> DRIVER "GDAL/ECW"
> >>> MIMETYPE "image/ecw"
> >>> IMAGEMODE "RGBA"
> >>> EXTENSION "ecw"
> >>> END
> >>>
> >>> OUTPUTFORMAT
> >>> NAME "MrSID"
> >>> DRIVER "GDAL/MrSID"
> >>> MIMETYPE "image/mrsid"
> >>> IMAGEMODE "RGBA"
> >>> EXTENSION "sid"
> >>> END
> >>>
> >>> This is the gdalinfo output from the source ECW file:
> >>>
> >>> [root at poseidon gdelivery]# gdalinfo
> >>> /data/geopakhuis/aerogrid_nl2005/Aerogrid_NL2005_40cm.ecw
> >>> Driver: ECW/ERMapper Compressed Wavelets
> >>> Size is 690000, 800000
> >>> Coordinate System is:
> >>> LOCAL_CS["LOCAL",
> >>> UNIT["Meter",1]]
> >>> Origin = (8000.000000,624000.200000)
> >>> Pixel Size = (0.40000000,-0.40000000)
> >>> Corner Coordinates:
> >>> Upper Left ( 8000.000, 624000.200)
> >>> Lower Left ( 8000.000, 304000.200)
> >>> Upper Right ( 284000.000, 624000.200)
> >>> Lower Right ( 284000.000, 304000.200)
> >>> Center ( 146000.000, 464000.200)
> >>> Band 1 Block=690000x1 Type=Byte, ColorInterp=Red
> >>> Overviews: arbitrary
> >>> Band 2 Block=690000x1 Type=Byte, ColorInterp=Green
> >>> Overviews: arbitrary
> >>> Band 3 Block=690000x1 Type=Byte, ColorInterp=Blue
> >>> Overviews: arbitrary
> >>>
> >>> Thanks in advance.
> >>>
> >>> Best regards,
> >>> Bart
> >>>
> >>
> >>
> >>
> >
> >
> >
>
More information about the mapserver-users
mailing list