Adam, 

The 
https://www.legiongis.com/using-qgis-geoserver-and-postgis-to-make-and-maintain-arches-overlays.html
 
link is no longer valid; do you have a replacement? I'd like to read this 
for background, even though we will be working with v4.4.1.

Thank you,
Martha

On Monday, August 7, 2017 at 8:05:32 AM UTC-7, Adam Cox wrote:
>
> Hi Matt,
>
> This will depend greatly on what version of Arches you are using. v3 held 
> all geometries for the entire database in a single postgis table, I've 
> connected to that table in QGIS before to make edits just to test, but I 
> think you would want to make some db views that would bring in some extra 
> resource attributes (like name, etc.) and make that single table a little 
> more user-friendly (instead of just a lot of shapes). I wrote this blog 
> post a while ago related to this idea. 
> http://legiongis.com/using-qgis-geoserver-and-postgis-to-make-and-maintain-arches-overlays.html
>
> In Arches v4, geometries are actually stored along with all other business 
> data in a table of "Tiles". You can see this in the Data Model 
> https://github.com/archesproject/arches/wiki/Data-Model, and the 
> geometries themselves are stored as json objects. So the process of 
> connecting with QGIS would be trickier because there isn't any single 
> postgis table that holds all the feature geometries. Hopefully others from 
> the development team can chime in on this. As far as I can tell, you would 
> have to write some SQL to pull geometries out of the TileInstance table and 
> populate proper geometry tables with them, which you could then connect to 
> with QGIS.
>
> Adam
>
> On Mon, Aug 7, 2017 at 5:25 AM, M Hobson <[email protected] 
> <javascript:>> wrote:
>
>> Hello everyone,
>>
>> I have just joined a project that uses Arches for its main database. I am 
>> interested in connecting to the database through QGIS's DB Manager. The 
>> previous project I worked for used this functionality in QGIS very 
>> successfully with a relational SQL database. The project team were able to 
>> write SQL queries and import the results as layers directly into QGIS. 
>> These layers updated automatically when data in the database altered.
>>
>> Does anybody have any experience of doing this with an Arches database? 
>> Is it easy to set up? Are there any reading materials about how to write 
>> queries for the Arches database?
>>
>> Many thanks in advance for any advice or information offered.
>>
>> Matt H
>>
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>

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