Hi, We've updated http://disaster.ninja/live/ to use fresh 2019 release of GHSL dataset. Mountains in Switzerland aren't populated anymore. Chinese mountain regions are also better detailed.
Have a good day! Darafei Kontur.io On Sun, Jul 7, 2019 at 3:23 PM Christoph Hormann <o...@imagico.de> wrote: > On Sunday 07 July 2019, Darafei "Komяpa" Praliaskouski wrote: > > > > We're using GHS population grid in Switzerland. > > https://ghsl.jrc.ec.europa.eu/data.php > > Methodologically, they use radar data to find "houses". It means on > > their dataset people also live along roads with asphalt, and - may > > happen - bare rocks are also populated. You can drop them a line on > > jrc-ghsl-d...@ec.europa.eu to say thanks. > > I am familiar with that data - they use census based or otherwise > estimated population numbers per admininstrative unit and distribute > this population among areas they identified as "built-up" using rather > questionable processes (what we in German tend to describe > as "Kaffeesatzleserei"). There is no identification of houses - source > data used is way too low resolution for that.
_______________________________________________ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk
