That is clearly a *should* not a *must* (or *shall*) - so it's optional.
File a bug report against it.
Or a more practical note can you store the layer twice?
Ian
On 27 June 2014 15:00, Jonathan Moules <[email protected]>
wrote:
> Hi Ian,
> Yep, it's 6.7.3.1:
>
> To maximize interoperability among servers, providers should also support
>> geographic coordinates by geocentric coordinate systems such as “CRS:84”
>> (see 6.7.3.2), “EPSG:4326” (see 6.7.3.3) or other ITRF-based systems.
>
>
> ESRI took this to mean "we should always use this EPSG by default", hence
> I end up with this mess. It doesn't seem to be in 1.1.0
> Cheers,
> Jonathan
>
>
> On 27 June 2014 13:44, Ian Turton <[email protected]> wrote:
>
>> Are you sure about "it's in the WMS spec as mandatory" ? I'm fairly sure
>> it isn't though I don't use 1.3 much so it may have slipped in there.
>>
>> Ian
>>
>>
>> On 27 June 2014 13:19, Jonathan Moules <
>> [email protected]> wrote:
>>
>>> Hi List,
>>> My aerial imagery is 31GB, comprising 13 optimised (tiled and
>>> pyramided) geotiffs which make up an ImageMosaic. The imagery is in
>>> EPSG:27700 - British National Grid. This all works fine.
>>>
>>> However, a certain piece of proprietary GIS software (namely ESRI) is
>>> incapable of automatically using the native projection and instead requests
>>> the layer in EPSG:4326 whenever it's added.
>>>
>>> The request is:
>>>
>>>
>>> http://example.com/gs/ows?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&CRS=CRS:84&BBOX=-1.9868610903408341,51.938491047471814,-1.1430930819885086,52.705668101075581&WIDTH=919&HEIGHT=836&LAYERS=Aerial_Photography%3aAerial_Photography_2013&STYLES=&EXCEPTIONS=XML&FORMAT=image/png&BGCOLOR=0xFEFFFF&TRANSPARENT=TRUE
>>>
>>> This then proceeds to hammer GeoServer which maxes out its allocated
>>> RAM, uses 100% of one core of the CPU it's on, and becomes generally much
>>> less responsive. The request never seems to time out, it just keeps
>>> processing indefinitely.
>>>
>>> I appreciate that warping is a computationally hard problem, but
>>> shouldn't there be some sort of built in clean up to stop this?
>>> My WMS "resource consumption limits" are all at the defaults.
>>> The tomcat localhost_access.log doesn't even show the request, even 11
>>> mins later - I have to use Fiddler.
>>>
>>> Any suggestions for how to handle this situation? It's impossible to
>>> remove EPSG:4326 from the CRS list (it's in the WMS spec as mandatory), and
>>> it's impossible to get ArcGIS to behave properly, so is there another
>>> solution that entails getting GeoServer to work smarter?
>>>
>>> Cheers,
>>> Jonathan
>>>
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>>
>>
>> --
>> Ian Turton
>>
>
>
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