[gdal-dev] JP2 GML Axis Order Problem

Even Rouault even.rouault at spatialys.com
Wed May 13 05:58:51 PDT 2015


Dennis,

Could you open a ticket in GDAL Trac about that ?

Even

> Hi guys,
>
>
>
> we have a Pleiades image here, the jp2 coming directly from the provider
> with an GML header like this:
>
>
>
> <gml:featureMember>
>
>     <gml:FeatureCollection>
>
>      <gml:featureMember>
>
>         <gml:RectifiedGridCoverage dimension="2"
> gml:id="COVERAGE_DS_PHR1A_201306090940372_FR1_PX_E017N43_0315_01434">
>
>          <gml:description>Ortho
> DS_PHR1A_201306090940372_FR1_PX_E017N43_0315_01434
> coverage</gml:description>
>
>
> <gml:name>DS_PHR1A_201306090940372_FR1_PX_E017N43_0315_01434</gml:name>
>
>          <gml:rectifiedGridDomain>
>
>             <gml:RectifiedGrid dimension="2">
>
>              <gml:limits>
>
>
>
>         <!--  The PLEIADES convention is used: first pixel on the product
> is pixel (1,1) -->
>
>                 <gml:GridEnvelope>
>
>                  <gml:low>1 1</gml:low>
>
>                  <gml:high>8528 7086</gml:high>
>
>         </gml:GridEnvelope>
>
>              </gml:limits>
>
>
>
>       <!--first axis easting: urn:ogc:def:axis-name:EPSG::3035-->
>
>              <gml:axisName>Easting</gml:axisName>
>
>
>
>       <!--second axis northing: urn:ogc:def:axis-name:EPSG::3035-->
>
>              <gml:axisName>Northing</gml:axisName>
>
>              <gml:origin>
>
>                 <gml:Point srsName="urn:ogc:def:crs:EPSG::3035">
>
>                  <gml:pos>4895767.000000000000000
> 2296945.000000000000000</gml:pos>
>
>         </gml:Point>
>
>        </gml:origin>
>
>              <gml:offsetVector
> srsName="urn:ogc:def:crs:EPSG::3035">2.000000000000000 0</gml:offsetVector>
>
>              <gml:offsetVector srsName="urn:ogc:def:crs:EPSG::3035">0
> -2.000000000000000</gml:offsetVector>
>
>             </gml:RectifiedGrid>
>
>          </gml:rectifiedGridDomain>
>
>         <gml:rangeSet>
>
>             <gml:File>
>
>              <gml:rangeParameters>
>
>                 <gml:QuantityExtent uom="int">0 255</gml:QuantityExtent>
>
>        </gml:rangeParameters>
>
>              <gml:fileName>gmljp2://codestream/0</gml:fileName>
>
>              <gml:fileStructure>Record Interleaved</gml:fileStructure>
>
>       </gml:File>
>
>      </gml:rangeSet>
>
>         </gml:RectifiedGridCoverage>
>
>      </gml:featureMember>
>
>     </gml:FeatureCollection>
>
> </gml:featureMember>
>
>
>
> </gml:FeatureCollection>
>
>
>
>
>
> The LAEA projection (EPSG::3035) is defined with having an axis order of Y,
> X, which means GDAL swaps the axis of the geotransform. But in this case
> this gives the wrong result. The JP2 GML defines an X,Y axis order by
> putting in <gml:axisName> tags, which are not yet considered by GDAL,
> neither GDAL 1.11 nor GDAL 2.0.0 beta1.
>
> We can solve this issue by setting the GDAL_IGNORE_AXIS_ORIENTATION to
> true, but maybe it would be better if GDAL would consider the
> <gml:axisName>
>
>
> Best Regards,
> Dennis
>


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