On Fri, Feb 8, 2013 at 1:08 PM, Rahkonen Jukka <jukka.rahko...@mmmtike.fi>wrote:
> Hi,
>
> What really happens when you run gdalinfo is that it tries to capture a
> small image for further investigations.
> The request is
>
> GET
> /geoserver/wcs?SERVICE=WCS&VERSION=1.1.0&REQUEST=GetCoverage&IDENTIFIER=raster_example_20130208_113005_078&FORMAT=image%2Ftiff%3Bsubtype%3D%22geotiff%22&BOUNDINGBOX=-116.917,32.41666843,-116.75033333,32.5833351,urn:ogc:def:crs:EPSG::4326&RangeSubset=contents
> HTTP/1.1
> Host: 193.175.162.189
> Accept: */*
> Accept-Encoding: gzip
> Proxy-Connection: Keep-Alive
>
> Geoserver does not like the request and it sends an error message which is
>
> <?xml version="1.0" encoding="UTF-8"?>
> <ows:ExceptionReport version="1.1.0"
> xsi:schemaLocation="http://www.opengis.net/ows/1.1
> http://193.175.162.189:80/geoserver/schemas/ows/1.1.0/owsAll.xsd";
> xmlns:ows="http://www.opengis.net/ows/1.1"; xmlns:xsi="
> http://www.w3.org/2001/XMLSchema-instance";>
> <ows:Exception exceptionCode="NoApplicableCode">
> <ows:ExceptionText>java.lang.IllegalArgumentException: The specified
> dimensional parameter is non-positive.
> The specified dimensional parameter is non-positive.</ows:ExceptionText>
> </ows:Exception>
> </ows:ExceptionReport>
>
> Reason for the failure seems to be in
> BOUNDINGBOX=-116.917,32.41666843,-116.75033333,32.5833351,urn:ogc:def:crs:EPSG::4326
> Reverse the lon-lat coordinates into lat-lon, and the request works.
>
> If Geoserver folks will tell that the GDAL WCS 1.1.0 request is wrong then
> you can try to get an answer to question b) by sending a question with this
> information into GDAL developer mailing list.
>
Yes, WCS 1.1 has swapped axis just like WFS 1.1.
See this table, it applies to WCS 1.1 as well:
http://docs.geoserver.org/latest/en/user/services/wfs/basics.html#axis-ordering
Given that as usual servers tend to implement axis swapping inconsistently
(or not at all)
a probably wise move on the GDAL side would be to allow the user to manually
control which CRS to handle as swapped, and which not.
Cheers
Andrea
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