[gdal-dev] Re: ArcSDE raster cell size issue

[bartvde at osgis.nl]

After a bit of debugging I found out this is related to ticket:2063, the
changeset from that ticket is causing my grid cell size problems.

http://trac.osgeo.org/gdal/ticket/2063#comment:4

Best regards,
Bart

> Hi list,
>
> I am trying to access an ArcSDE raster through GDAL, and gdalinfo gives me
> the following info:
>
> gdalinfo
> SDE:geodatabase.ad.rws.nl,port:5151,5151,RWS_LEZEN,XXXX,HOOGTE.AHN2_5
> Driver: SDE/ESRI ArcSDE
> Files: none associated
> Size is 41151, 48412
> Coordinate System is:
> PROJCS["RD_New",
>     GEOGCS["GCS_Amersfoort",
>         DATUM["Amersfoort",
>             SPHEROID["Bessel_1841",6377397.155,299.1528128]],
>         PRIMEM["Greenwich",0.0],
>         UNIT["Degree",0.0174532925199433]],
>     PROJECTION["Double_Stereographic"],
>     PARAMETER["False_Easting",155000.0],
>     PARAMETER["False_Northing",463000.0],
>     PARAMETER["Central_Meridian",5.38763888888889],
>     PARAMETER["Scale_Factor",0.9999079],
>     PARAMETER["Latitude_Of_Origin",52.15616055555555],
>     UNIT["Meter",1.0]]
> Origin = (18759.994106925882079,618770.000206564669497)
> Pixel Size = (5.011786148238153,-5.000413129247485)
> Corner Coordinates:
> Upper Left  (   18759.994,  618770.000)
> Lower Left  (   18759.994,  376690.000)
> Upper Right (  225000.006,  618770.000)
> Lower Right (  225000.006,  376690.000)
> Center      (  121880.000,  497730.000)
> Band 1 Block=128x128 Type=Float32, ColorInterp=Gray
> Killed
>
> Whereas ArcCatalog says the grid is 5 by 5 meters, which is the expected
> cell size. Does anybody have an idea why GDAL is reporting a different
> cell size?
>
> <TreeList><Data_Source><Raster>HOOGTE.ahn2_5</Raster><Data_Type>SDE
> Raster</Data_Type><Server>geodatabase.ad.rws.nl<User>RWS_LEZEN</User><Instance>5151\tcp</Instance><Database></Database><Version>SDE.DEFAULT</Version></Server></Data_Source><Raster_Information><Columns_and_Rows>41151,
> 48412</Columns_and_Rows><Number_of_Bands>1</Number_of_Bands><Cellsize__X._Y_>5,
> 5</Cellsize__X._Y_><Uncompressed_Size>7.42
> GB</Uncompressed_Size><Format>SDR</Format><Source_Type>continuous</Source_Type><Pixel_Type>floating
> point</Pixel_Type><Pixel_Depth>32
> Bit</Pixel_Depth><NoData_Value>-3.402823E+38</NoData_Value><Colormap>absent</Colormap><Pyramids>level:
> 8, resampling: Nearest
> Neighbor</Pyramids><Compression>LZ77</Compression></Raster_Information><Extent><Top>618750</Top><Left>19245</Left><Right>225000</Right><Bottom>376690</Bottom></Extent><Spatial_Reference>RD_New<Linear_Unit>Meter
> (1.000000)</Linear_Unit><Angular_Unit>Degree
> (0.017453292519943299)</Angular_Unit><False_Easting>155000</False_Easting><False_Northing>463000</False_Northing><Central_Meridian>5.38763888888889</Central_Meridian><Scale_Factor>0.9999079</Scale_Factor><Latitude_Of_Origin>52.15616055555555</Latitude_Of_Origin><Datum>D_Amersfoort</Datum></Spatial_Reference><Statistics><Band_1>Statistics
> have not been
> calculated.<Build_Parameters></Build_Parameters><Min></Min><Max></Max><Mean></Mean><Std_dev.></Std_dev.><Classes></Classes></Band_1></Statistics></TreeList>
>
> Best regards,
> Bart
>