On Fri, Jun 12, 2015 at 8:32 PM, Marks, David <david.ma...@nrlssc.navy.mil>
wrote:

> ​It's possible the custom dimensions are a Geoserver specific feature, as
> I also don't find much mention of them within the standards themselves.
>

They are foreseen by the WMS standard, GeoServer exposes them in other
protocols as well (when possible, and/or when we
had time to work on do that).


>
> This Geoserver test (
> https://github.com/geoserver/geoserver/blob/2.6.3/src/wcs1_0/src/test/java/org/geoserver/wcs/DynamicDimensionsTest.java​)
> seems to be querying a WCS 1.0.0 layer using a custom dimension named
> wavelength​ and leads me to believe the custom dimensions I've setup should
> work within WCS 1.0.0 however. As I said, they seem to function correctly
> in WMS 1.1.1 and 1.3.0 as well as WCS 2.0.1, just now WCS 1.0.0 (where
> they're just wholly missing from all layer descriptions).
>

I can confirm the code in the WCS 1.0 GetCoverage paths can handle all
extra dimensions:
https://github.com/geoserver/geoserver/blob/master/src/wcs1_0/src/main/java/org/geoserver/wcs/DefaultWebCoverageService100.java#L323

DescribeCoverage wise, Jukka is right, time is also available, and I can
see code to write a
wcs:temporalDomain element to describe it in the DescribeCoverage response,
if it's available and enabled.

There is no custom dimension handling indeed in Describe, and no place
where it could be added in the DescribeCoverage 1.0 response.
In 2.0 we can because there is an extension element that can contain
xs:Any, which allows us to put GeoServer specific extensions
in the response without breaking clients.

Cheers
Andrea


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