Andrea, once again thanks a lot! Reprojection was the hint I needed. So for the record, here is the minimal request that finally worked in my case (GS 2.1.1 & GS 2.0.2):
http://localhost:8080/geoserver/ows? service=WCS& version=1.1.1& request=getCoverage& format=image/tiff;subtype="geotiff"& BoundingBox=50,45,180.0,90.0,urn:ogc:def:crs:OGC:1.3:CRS84&Identifier=sbsc:MOD11C3.A2000061.005.2006273174935_MODIS_MONTHLY_0.05DEG_CMG_LST_day& GridBaseCRS=EPSG:4326& store=true Notes: - the BoundingBox is encoded in lon/lat (that order!) and refers to "urn:ogc:def:crs:OGC:1.3:CRS84" instead of "urn:ogc:def:crs:EPSG:: 4326" - GridBaseCRS needs to be specified as "EPSG:4326" - in the layer settings of Geoserver I added "EPSG:4326" to the Request & Response SRS, which adds the following two entries to the list of "Supported CRS" DescribeCoverage response snippet: ... <wcs:SupportedCRS>urn:ogc:def:crs:EPSG::4326</wcs:SupportedCRS> <wcs:SupportedCRS>EPSG:4326</wcs:SupportedCRS> ... Cheers, Roman On Tue, Aug 9, 2011 at 7:21 PM, Andrea Aime <[email protected]>wrote: > On Tue, Aug 9, 2011 at 6:28 PM, Roman Gerlach <[email protected]> > wrote: > > Hi all, > > > > I am trying the following WCS (1.1.1) getCoverage request on Geoserver > > 2.1.1, but the image returned is always rotated and has wrong coordinates > > written inside the GeoTIFF > > > > Request: > > > > http://localhost:8080/geoserver/ows? > > service=WCS& > > version=1.1.1& > > request=getCoverage& > > Format=image/tiff;subtype=%22GeoTIFF%22& > > BoundingBox=45.0,50.0,90.0,180.0,urn:ogc:def:crs:EPSG::4326& > > > Identifier=sbsc:MOD11C3.A2000061.005.2006273174935_MODIS_MONTHLY_0.05DEG_CMG_LST_day& > > store=true > > Flipped axis is the expected result if you query WCS 1.1 with a raster > on geographic data. > If you don't want them flipped ask the coverage to be reprojected to > EPSG:4326 instead of > urn:ogc:def:crs:EPSG::4326 > > See the "axis flipping issue" which we describe in the guide for WFS, > it's the same for WCS 1.1: > > http://docs.geoserver.org/latest/en/user/services/wfs/basics.html#axis-ordering > > Cheers > Andrea > > > -- > ------------------------------------------------------- > Ing. Andrea Aime > GeoSolutions S.A.S. > Tech lead > > Via Poggio alle Viti 1187 > 55054 Massarosa (LU) > Italy > > phone: +39 0584 962313 > fax: +39 0584 962313 > > http://www.geo-solutions.it > http://geo-solutions.blogspot.com/ > http://www.youtube.com/user/GeoSolutionsIT > http://www.linkedin.com/in/andreaaime > http://twitter.com/geowolf > > ------------------------------------------------------- >
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