Use the "Density Analysis" plugin. It solves this very problem, but you will want to install the H3 library to get really fast hexagons. Look at the instructions.
Calvin On Fri, Mar 14, 2025 at 7:07 AM Sylvain Ard via QGIS-User < qgis-user@lists.osgeo.org> wrote: > Hello, > I'd like a map with hexagons that are darker the more points there are > underneath. My points are in a PostgreSQL table. If there are no points, > there should be no hexagon. The hexagons have a constant size on the > screen, so they have to be recalculated each time the map is zoomed in. I > want a truly optimized solution because I have millions of points. So, > perhaps I could use QGIS-server. > Please suggest a solution for both the server and client side. > Best regards > PS : my map must be like GBIF maps > > Sylvain Ard > 0549507724 > 0778380991 > sylvain....@gmail.com > https://www.sylvain-ard.fr <http://sylvain-ard.fr> > Entreprise individuelle SIRET : 80079243400022 > Appt 26 Bât A Résidence Le Patio > 83 rue de la Bugellerie > 86000 Poitiers > _______________________________________________ > QGIS-User mailing list > QGIS-User@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >
_______________________________________________ QGIS-User mailing list QGIS-User@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
