[gdal-dev] WCS 1.1.x with no bands specified

[Andre Vautour]

Hi all,

I am trying to open a coverage from a 1.1x WCS server that has multiple 
fields in its range subset. The WCS XML file is at its most basic form:

<WCS_GDAL>
<ServiceURL>http://www.example.com/wcs/mywcs?</ServiceURL>
<CoverageName>someCoverageIdentifier</CoverageName>
<Version>1.1.1</Version>
</WCS_GDAL>

The GDAL documentation has the following:
/FieldName: Name of the field being accessed. Used only with WCS 1.1.0+. 
Defaults to the first field in the DescribeCoverage result./

That means that, when no field name is specified, GDAL adds 
&RangeSubset=<firstField> to the GetCoverage request.

The 1.1.0 specification has this to say about that RangeSubset parameter 
as it relates to the GetCoverage request:
/    (Optional) Request only some fields OR subsets of some fields (OR 
list fields to request nondefault interpolation on them)./

Is there a way to get all the fields of a coverage in one single raster 
through GDAL using WCS?
If not, is there a reason why that is not supported?

Thanks,
André

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