Hello, Ramo.
Andre Aime is more expert than me, but I can tell you a few things.
Yes, the spatial data does need to be stored in SOLR as a WKT string. SOLR
has its own spatial search capability and this capability is utilized by
the SOLR module.
If you can get your shapes/points into PostGIS, you should be able to
create the WKT strings fairly easily -
http://postgis.refractions.net/documentation/manual-1.4/ST_AsText.html
The performance of the spatial search in SOLR is not as good as in PostGIS
- as you probably would expect - but it is still quite good.
The main idea of the module is to be able to plot the results of any 'q',
'fq' search in a SOLR store - ie. run very powerful text-based searches -
and then plot the results efficiently - particularly important if your
search is returning large numbers of results.
Regards,
David Collins
Geological Survey of NSW, Australia.
On Wed, Mar 11, 2015 at 8:55 PM, Tobias Reinicke <ramot...@gmail.com> wrote:
> Hello all,
>
> I see that there is a SOLR backend community module available to use,
> which I find quite interesting and was wondering two things;
> How does the performance compare between SOLR and say Postgres/gis?
> How do I load GML into SOLR?
>
> I've been looking at
> https://cwiki.apache.org/confluence/display/solr/Spatial+Search and it
> says to use WKT - is that really the best way of doing things?
>
> Any help would be much appreciated.
>
> Regards,
> Ramo
>
>
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