[postgis-users] Need help to create an help table

[Luca Bertoncello]

Am 30.01.2021 um 19:20 schrieb Tomas Straupis:

Hi Tomas,

>   This is also good, but it is not exactly what I ment.
>   You cluster polygons with a distance of say 10m, simplify and buffer+- them.
>   Then you cluster THE RESULT of the first action again but now with a
> distance of say 40m, simplify (with a larger step) and buffer+- with a
> larger argument.
>   Rinse and repeate until you get what you want.
>   (If you're creating a multi-scale map you will usually want to leave
> results of different steps to be used on different scales)

I tried the aggregation I wrote on test data. The result is pretty good,
at least for displaying on a smartphone/tablet during a flight I can't
see big differences with the first version, so I'll try on the Europe's
data.

>> I don't know this program... What is it? Can I run it on my PC using the
>> database on another PC?
> 
>   Yes, it is probably the best known/powerful GIS app in opensource
> world. Comparable to A**GIS. QGIS can connect/read/display/edit data
> in PostgreSQL/PostGIS.

OK, I'll try it, thank you!

Regards
Luca Bertoncello
(lucabert at lucabert.de)