[postgis-devel] [SoC] GSoC 2021 - Week 3 Report - Implement pre-sorting methods before GiST index building

Han Wang hanwgeek at gmail.com
Thu Jul 1 06:54:02 PDT 2021


Hi Regina and hi Giuseppe,

I have tested with some real data in `osm_china` with .sql scripts. And it
works normally with several outputs. But I think the details of
/regress/read need to be modified for further uses.

Moreover, I would like to know how to prepare for the first period
evaluation?

Best regards,
Han

On Tue, Jun 29, 2021 at 10:24 AM Regina Obe <lr at pcorp.us> wrote:

>
>
> >  - I hope you're using at least a couple millions of objects. If not,
> take any OpenStreetMap country (I use Belarus usually), get it to the db
> (osmium-tool and its osmium export -f pg is good) and index that.
>
>
> [Regina Obe]
>
> Darafei and Han,
>
> I packaged Belarus osm data up from
> https://download.geofabrik.de/europe/belarus-latest.osm.pbf
>
> And have as an sql loadable script
>
> https://postgis.net/extra/test-data/osm_belarus.sql.bz2
>
> I’ve added it to the regress/real/download_data.sh script
>
> I used ogr2ogr to load into PostgreSQL.  Not sure how it compares to
> osmium structure or if it matters much.
>
> Thanks,
> Regina
>
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