Hi all,
why not simply check against the compliance tests of WCS 2 and maybe a reference
implementation? Might be the easiest for answering all such questions.
cheers,
Peter
On 04/10/2017 04:23 PM, Even Rouault wrote:
>
> On lundi 10 avril 2017 15:57:03 CEST Andrea Aime wrote:
>
> > Hi Even,
>
> > in CIS 1.1 they state:
>
> >
>
> > Coverages are assumed to have a 1:1 correlation between the axis names
>
> > given in axis-Labels and gridLabels, i.e.: they shall relate pairwise,
>
> > given by their sequence position. For example, axisLabels=“Lat Long h date”
>
> > and gridLabels={i j k l} implies a correspondence of Lat with i, Long with
>
> > j, h with k, and date with l.
>
> >
>
> > If there is no 1:1 correspondence between geographic and raster space axis,
>
> > then I see no other way but to use Function to explicitly correlate the two.
>
> > How would you propose to proceed instead?
>
>
>
> Well, Function might be helpful then (and happily ignored by code that assumes
> that usual raster order will be used). However I'm not sure in which way GDAL
> is involved in this discussion :-) Regarding GMLJP2, GDAL will ignore Function
> on reading it, and not write it. So I think that on the read side, that should
> be OK in practice. So, there could potentially be issues on the write side for
> rasters generated by GDAL and read by other software that would assume that a
> georeferencing with Lat Long order would imply the raster first axis to be Lat
> ? Or perhaps issues in the GDAL WCS client ? Perhaps Jukka could give more
> precisions if there are actual interoperability problems.
>
>
>
> Even
>
>
>
> --
>
> Spatialys - Geospatial professional services
>
> http://www.spatialys.com
>
--
Dr. Peter Baumann
- Professor of Computer Science, Jacobs University Bremen
www.faculty.jacobs-university.de/pbaumann
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