[Qgis-user] QgisServer - WMS getMap with geographical filters

[Nicolas Boisteault]

Hi,

I'm talking about OGC filters which are undocumented currently. I found 
this feature here : 
https://github.com/qgis/QGIS-Enhancement-Proposals/issues/104

Niki Oro, you can try this filter changing geometry name, projection and 
coordinates :

FILTER=<Filter><BBOX><PropertyName>Name>geom</PropertyName><Box 
srsName='EPSG:3857'><coordinates>-320000,6312434 
-109000,6132571</coordinates></Box></BBOX></Filter>

Some examples in mapserver can be found here : 
https://mapserver.org/development/rfc/ms-rfc-118.html

Le 17/11/2020 à 19:09, DelazJ a écrit :
> Hi
> Nicolas, about the filter parameter, are you referring to 
> https://docs.qgis.org/3.16/en/docs/server_manual/services.html#filter ?
> That said, there is already a bbox parameter for the wms service : 
> https://docs.qgis.org/3.16/en/docs/server_manual/services.html#bbox
>
> Regards,
> Harrissou
>
> Le mar. 17 nov. 2020 à 18:56, niki oro <oro.niki at gmail.com 
> <mailto:oro.niki at gmail.com>> a écrit :
>
>     I wasn't lucky :( Could you show me some examples of using OGC
>     geographical filters with WMS getMap, please?
>
>     Thank you
>
>     Il giorno lun 2 nov 2020 alle ore 09:58 niki oro
>     <oro.niki at gmail.com <mailto:oro.niki at gmail.com>> ha scritto:
>
>         Thanks, I'll check it out.
>
>         Il giorno sab 31 ott 2020 alle ore 21:42 Nicolas Boisteault
>         <nboisteault at 3liz.com <mailto:nboisteault at 3liz.com>> ha scritto:
>
>             Hi,
>             You can use OGC filter with wms. It is undocumented but
>             you can look at this QEP :
>             https://github.com/qgis/QGIS-Enhancement-Proposals/issues/104
>
>             Le sam. 31 oct. 2020 à 17:17, niki oro <oro.niki at gmail.com
>             <mailto:oro.niki at gmail.com>> a écrit :
>
>                 Hi everyone,
>
>                 I'm working with a layer which I need to filter in a
>                 WMS GetMap request by adding a BBOX query in order to
>                 retrieve only a subset of information. I suppose that
>                 the right way to accomplish this is by adding a kind
>                 of CQL filter, but I cannot find the proper manner.
>                 I tried with this:
>                 Filter= LayerWhichINeedToFilter
>                 : "nameOfGeometryAttribute" 'BBOX'(2841625.00,
>                 8882591.00, 2962275, 8971491);
>
>                 Is there a right way to do this?
>                 Thank you
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