Hi,
The goal here is to make the WMTS service compliant with the INSPIRE directive.
The needed changes
are related with the result of the GetCapabilities operation.
The INSPIRE technical guidance for the view services (which includes WMS and
WTMS) is available here:
http://inspire.ec.europa.eu/documents/Network_Services/TechnicalGuidance_ViewServices_v3.11.pdf
I submitted the current output of WMTS GetCapabilities operation to the INSPIRE
validator:
http://inspire-geoportal.ec.europa.eu/resources/sandbox/INSPIRE-c725a726-2f0e-11e6-bc3d-52540023a883_20160610-152519/services/1/resourceRepo
rt/
After reading the technical guidance, I come to the conclusion that three
mandatory elements are missing:
* Metadata about supported languages and response languages
(inspire_vs:ExtendedCapabilities).
* Metadata for each layer (ows:Metadata), this is optional in WMTS standard.
* Styles legend URL this, is optional in WMTS standard.
There is also the harmonized layer names requirement ... going through the
GeoServer UI and INSPIRE module
documentation I could not found if this is supported or not (basically we need
to drop the work space prefix
which can lead to layer names collisions this is why I'm wondering if this is
supported or not).
INSPIRE also brings this two mandatory constraints:
* The output format should be either PNG or GIF format. (without LZW
compression)
* It is
mandatory to use geographical coordinate system based on ETRS89 in
continental Europe and ITRS outside continental Europe.
A service admin page will be created for WMTS, we need this to provide a
specific URL metedata that will
describe the service itself.
Ideally all the needed changes will be contributed to the INSPIRE extension
module. But first, we need a way to extend
the WMTS service GetCapabilities operation result. I could not found any
existing extension points that will
allow me to do this. In this thread
http://osgeo-org.1560.x6.nabble.com/Adding-a-multidimensional-extension-to-WMTS-as-a-GeoServer-community-module-with-integrations-with-G-td5
268826.html
Andrea Aime proposes the WMTSExtension interface ... this could be a solutions
for this.
One more thing, the INSPIRE validator complains that MinTileRow, MaxTileRow,
MinTileCol and MaxTileCol values are out of range, I still
don't understand why he is complaining about those values.
This is all the information I gathered until now, feedback on this will be
appreciated :)
Regards,
--
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