Hi Nuno,
On Wed, Nov 2, 2016 at 3:42 PM, Nuno Oliveira <
nuno.olive...@geo-solutions.it> wrote:
>
> Stefano I tried to find the discussion you refer on the mailing lists but
> could not find it, better I found to much information
> about this, can you pass me the link :)
>
Take a look at this one:
http://osgeo-org.1560.x6.nabble.com/App-schema-How-to-map-Oracle-Geometry-into-GML-td4984781.html
It is about a slightly different issue, i.e. how to create bindings for
custom geometry types, but GML structural rules are also mentioned and
explained by Ben.
I recall there are others, but I don't have the links handy right now.
>
> You say that you already stepped on something like this how did you manage
> to work around it ?
>
Well, in my case, I had the luxury of being able to modify the schema, so I
adapted it according to app-schema's requirements :-)
Again, I think what you're trying to achieve would require some coding
(can't say how much) in the app-schema extension (perhaps in other modules
as well), but I'd be happy to be proven wrong.
>
> Thanks,
>
> Nuno Oliveira
>
> One doubt remain, and this one is for the app-schema experts :), is there
> a
>
> On 11/02/2016 10:09 AM, Nuno Oliveira wrote:
>
> Hi,
>
> I have a doubt regarding the way GML complex features encoder handles a
> sub collection of features, i.e. chained features.
>
> The example use case is the representation of some meteorological stations
> measurements in GML. The complex feature
> represents a station were the measurements are represented as a sub
> collection of features. The XML expected representation
> would be something like this:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <wfs:FeatureCollection ...>
> <st:featureMember>
> <st:StationFeature gml:id="1">
> <st:name>station 1</st:name>
> <st:contact>
> <st:mail>stati...@mail.com</st:mail>
> </st:contact>
> <st:measurement>
> <st:name>temp</st:name>
> <st:unit>c</st:unit>
> <st:value>35.5</st:value>
> </st:measurement>
> <st:measurement>
> <st:name>wind</st:name>
> <st:unit>km/h</st:unit>
> <st:value>110.5</st:value>
> </st:measurement>
> <st:geometry>
> <gml:Point srsName="http://www.opengis.
> net/gml/srs/epsg.xml#4326" <http://www.opengis.net/gml/srs/epsg.xml#4326>>
>
> <gml:coordinates>50.0,60.0</gml:coordinates>
> </gml:Point>
> </st:geometry>
> </st:StationFeature>
> </gml:featureMember>
> </wfs:FeatureCollection>
>
> The first GML based schema I wrote for this didn't work, i.e. the
> measurements sub collection was not encoded by
> the encoder, please find that schema attached with name stations1.xsd.
> After some investigation I found that my
> problem was in this piece of code:
>
> https://github.com/geotools/geotools/blob/master/modules/
> extension/xsd/xsd-gml3/src/main/java/org/geotools/gml3/bindings/
> ComplexSupportXSAnyTypeBinding.java#L176-L177
>
> Basically no child elements were extracted, and in this case the child
> elements were the station measurements. After checking
> the app-schema examples I came up with this second schema that worked,
> please find that schema attached with name stations2.xsd.
>
> The main difference is that I wrapped the measurement element with the
> MeasurmentPropertyType:
>
> <xs:complexType name="MeasurementPropertyType">
> <xs:sequence minOccurs="0">
> <xs:element ref="st:Measurement"/>
> </xs:sequence>
> <xs:attributeGroup ref="gml:AssociationAttributeGroup"/>
> </xs:complexType>
>
> This stations use case is just an example, I have a much more complex use
> case with the same problem were I cannot change the schema.
> So I'm wondering, did anyone had a similar use case ? did I made something
> wrong in the app-schema mappings-file ? is this something is
> just not supported by the encoder ? and did my first schema actually makes
> sense (in my point of view it looks sane) ?
>
> Any help with this will be very very welcomed :)
>
> Regards,
>
> Nuno Oliveira
>
>
>
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> Nuno Miguel Carvalho Oliveira
> @nmcoliveira
> Software Engineer
>
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Best regards,
Stefano Costa
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Dott. Stefano Costa
Senior Software Engineer
GeoSolutions S.A.S.Via di Montramito 3/A
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
http://www.geo-solutions.ithttp://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
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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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