[GeoNode-devel] [GeoNode-users] GeoNode - PyCSW integration issues

Wed Jul 26 03:20:11 PDT 2017

Allright!
maybe contacting Tom Kiraldis (https://github.com/tomkralidis) can help
here?
Cor

2017-07-26 12:14 GMT+02:00 Alessio Fabiani <alessio.fabiani at geo-solutions.it
>:

> Dear Cor,
> thanks for your reply. You are right, the Dublin Core was just an example.
> ISO 19115 output form PyCSW has same issues though.
>
> Problem is that mapping between GeoNode and PyCSW is currently missing
> some important information.
>
>
> Regards,
>
> Alessio Fabiani
>
> ==
> GeoServer Professional Services from the experts! Visit
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>
> Ing. Alessio Fabiani
>
> @alfa7691
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>
>
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>
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> -------------------------------------------------------
>
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> On Wed, Jul 26, 2017 at 12:11 PM, Cor Melse <cor.melse at gmail.com> wrote:
>
>> Dear Alessio,
>>
>> One should never use the Dublin Core output from a CSW, but instead use
>> the OGC- CWS ISO19139 output!
>> There the right information for geo datasets (services) is provided.
>>
>> Following the notes by Stephen Richard is therefore the only right thing
>> to do.
>>
>> as an alternative for pyCSW Geonetwork is also a great tool to use (and
>> OSS)
>>
>> Cheers, Cor
>>
>> 2017-07-26 11:10 GMT+02:00 Alessio Fabiani <alessio.fabiani at geo-solutions
>> .it>:
>>
>>> Dear all,
>>> I want to highlight some important issues about the current integration
>>> between GeoNode and PyCSW.
>>>
>>> Other than a non-trivial security issue (basically the CSW exposes
>>> metadata for all Layers no matter if they are accessible or not by the
>>> user), one more, I would say, big issue is that currently is not possible
>>> to recognize the Layer "real name" from the metadata documents.
>>>
>>> Let me provide an example. Here below a snippet of a DublinCore XML
>>> produced by PyCSW
>>>
>>> ...
>>> <csw:Record>
>>>     <dc:identifier>941a8d7e-7159-11e7-b283-002215079c40</dc:identifier>
>>>     <dc:title>san_andres_y_providencia_highway</dc:title>
>>>     <dc:type>dataset</dc:type>
>>>     <dc:subject/>
>>>     ...
>>>     <dct:references scheme="WWW:DOWNLOAD-1.0-http--download">
>>> http://localhost:8080/geoserver/wms?request=GetLe
>>> gendGraphic&format=image/png&WIDTH=20&HEIGHT=20&
>>> amp;LAYER=geonode:san_andres_y_providencia_highway&
>>> legend_options=fontAntiAliasing:true;fontSize:12;forceLabels:on
>>> </dct:references>
>>>     <dct:references scheme="OGC:WMS">http://localh
>>> ost:8080/geoserver/geonode/wms</dct:references>
>>>     <dct:references scheme="OGC:WFS">http://localh
>>> ost:8080/geoserver/geonode/wfs</dct:references>
>>> ...
>>>
>>> (full XML here https://pastebin.com/Wu0vm79B)
>>>
>>> Seems to be good right? *Wrong!* There some important things missing
>>> here:
>>>
>>> 1. It is not possible to recognize the layer name at all; The element
>>> "title" is mapped to the resource title, meaning that whenever I change it
>>> on the metadata into a human readable fashion, I lose the layer name forever
>>>
>>> 2. Layer qualified name is missing; if the name had a namespace, like on
>>> GeoServer, it is not possible to know which is at all
>>>
>>> 3. WMS and WFS links cannot be used at all, since the layer name cannot
>>> be retrieved anywhere
>>>
>>> *Proposal*
>>>
>>> Following the notes written by Stephen Richard here https://github.co
>>> m/geopython/pycsw/wiki/Geonode-notes
>>>
>>> the proposal here would be to add more references
>>>
>>> OGC:WMS-1.1.1-http-get-capabilities
>>> OGC:WMS-1.3.0-http-get-capabilities
>>> OGC:WMS-1.1.1-http-get-map
>>> OGC:WMS-1.3.0-http-get-map
>>> OGC:WMS-1.1.1-http-get-featureinfo
>>> OGC:WMS-1.3.0-http-get-featureinfo
>>>
>>> OGC:WFS-1.0.0-http-get-capabilities
>>> OGC:WFS-1.0.0-http-describe-feature
>>> OGC:WFS-1.0.0-http-get-feature
>>>
>>> OGC:WCS-1.1.0-http-get-capabilities
>>> OGC:WCS-1.1.0-http-describe-coverage
>>> OGC:WCS-1.1.0-http-get-coverage
>>> ...
>>>
>>> in order to let CSW being able to send correct links to the clients.
>>>
>>> If there are no objections, I will create a PR accordingly related to
>>> the following ISSUE
>>>
>>> https://github.com/GeoNode/geonode/issues/2720#issuecomment-262829872
>>>
>>> Please comment on this.
>>>
>>>
>>> Regards,
>>>
>>> Alessio Fabiani
>>>
>>> ==
>>> GeoServer Professional Services from the experts! Visit
>>> http://goo.gl/it488V for more information.
>>> ==
>>>
>>> Ing. Alessio Fabiani
>>>
>>> @alfa7691
>>> Founder/Technical Lead
>>>
>>>
>>> GeoSolutions S.A.S.
>>> Via di Montramito 3/A
>>> 55054  Massarosa (LU)
>>> Italy
>>> phone: +39 0584 962313 <+39%200584%20962313>
>>> fax:     +39 0584 1660272 <+39%200584%20166%200272>
>>> mob:   +39 331 6233686 <+39%20331%20623%203686>
>>>
>>> http://www.geo-solutions.it
>>> http://twitter.com/geosolutions_it
>>>
>>> -------------------------------------------------------
>>>
>>> AVVERTENZE AI SENSI DEL D.Lgs. 196/2003
>>>
>>> Le informazioni contenute in questo messaggio di posta elettronica e/o
>>> nel/i file/s allegato/i sono da considerarsi strettamente riservate. Il
>>> loro utilizzo è consentito esclusivamente al destinatario del messaggio,
>>> per le finalità indicate nel messaggio stesso. Qualora riceviate questo
>>> messaggio senza esserne il destinatario, Vi preghiamo cortesemente di
>>> darcene notizia via e-mail e di procedere alla distruzione del messaggio
>>> stesso, cancellandolo dal Vostro sistema. Conservare il messaggio stesso,
>>> divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, od
>>> utilizzarlo per finalità diverse, costituisce comportamento contrario ai
>>> principi dettati dal D.Lgs. 196/2003.
>>>
>>> The information in this message and/or attachments, is intended solely
>>> for the attention and use of the named addressee(s) and may be confidential
>>> or proprietary in nature or covered by the provisions of privacy act
>>> (Legislative Decree June, 30 2003, no.196 - Italy's New Data Protection
>>> Code).Any use not in accord with its purpose, any disclosure, reproduction,
>>> copying, distribution, or either dissemination, either whole or partial, is
>>> strictly forbidden except previous formal approval of the named
>>> addressee(s). If you are not the intended recipient, please contact
>>> immediately the sender by telephone, fax or e-mail and delete the
>>> information in this message that has been received in error. The sender
>>> does not give any warranty or accept liability as the content, accuracy or
>>> completeness of sent messages and accepts no responsibility  for changes
>>> made after they were sent or for other risks which arise as a result of
>>> e-mail transmission, viruses, etc.
>>>
>>> _______________________________________________
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>>> geonode-users at lists.osgeo.org
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>>>
>>>
>>
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