[GeoNode-users] Newbie / Evaluating GeoNode

Tue Oct 20 03:26:17 PDT 2020

Thanks Alessio

I think that's the answer I'm after - quick summary being:

GeoNode can be configured to store data (via GeoServer / PostGIS) in
say EPSG:27700 Projected coordinate system for United Kingdom (UK)  and
displayed in the same projection via the browser .

Thanks

On Tue, 20 Oct 2020 at 10:28, Alessio Fabiani <
alessio.fabiani at geo-solutions.it> wrote:

> Hello Mike,
> GeoNode relies on the GeoSpatial server in order to manage the
> projections. Also on the frontend, the client is pluggable.
>
> So, long story short, this is all customizable. By default, GeoNode
> provides GeoServer, as geospatial backend, and MapStore2 as gis client,
> which uses mercator as default projection.
>
> That said when you upload a new layer, GeoNode checks for a valid
> projection file. It tried to keep the native projection on the backend
> whenever is possible.
>
> In the case it cannot find it, it asks to the user to specify a valid
> native projection for the data.
>
> The available choices must be configured on the GeoNode settings. The
> default ones are the following
>
>
> https://docs.geonode.org/en/master/basic/settings/index.html#epsg-code-matches
>
> {
>     'EPSG:4326': '(4326) WGS 84',
>     'EPSG:900913': '(900913) Google Maps Global Mercator',
>     'EPSG:3857': '(3857) WGS 84 / Pseudo-Mercator',
>     'EPSG:3785': '(3785 DEPRECATED) Popular Visualization CRS / Mercator',
>     'EPSG:32647': '(32647) WGS 84 / UTM zone 47N',
>     'EPSG:32736': '(32736) WGS 84 / UTM zone 36S'}
>
>
>
> Il giorno mar 20 ott 2020 alle ore 11:20 Mike Saunt <
> mikesaunt at astuntechnology.com> ha scritto:
>
>> Hi all!
>>
>> I was wondering whether GeoNode keeps all data in it's source projection
>> (or the user can specify the projection if creating a layer)?
>>
>> If yes then I presume "All the layers are automatically re-projected to
>> web Mercator for maps display, making it possible to use different popular
>> base layers, like Open Street Map, Google Satellite or Bing layers." from this
>> GeoNode help page
>> <https://docs.geonode.org/en/master/start/#data-mixing-maps-creation> is
>> simply done dynamically with JavaScript in the browser?
>>
>> Many thanks
>> Mike
>>
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>>
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>
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> Ing. Alessio Fabiani
>
> @alfa7691
> Founder/Technical Lead
>
>
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GeoServer, PostGIS and QGIS training 
<https://astuntechnology.com/training-courses/>
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portal 
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Registered office: 120 Manor Green Road, Epsom, Surrey, KT19 8LN VAT no. 
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