Frédéric RodrigoState of the art — OpenStreetMap extraction synchronization under quality constraintsWe explore here the subject of synchronizing a copy of OpenStreetMap data while trying to ensure the quality of this copy. We study…Jan 4, 2023Jan 4, 2023
Frédéric RodrigoOptimization of RGB DEM tiles for dynamic hill shading with Mapbox GL or MapLibre GLDynamic hill shading and terrain elevation use raster tiles in a specific encoded format. These tiles have the drawback of being quite…Jan 11, 20221Jan 11, 20221
Frédéric RodrigoWeb mapping: comparing vector tile servers from Postgres / PostGISMany vector tile servers based on the ST_AsMVT() function of PostGIS are available. Makina Corpus presents here an overview of the…Aug 3, 2020Aug 3, 2020
Frédéric RodrigoImpOsm2pgRouting: Route planning on OpenStreetMap road network with the benefit of updatesApproach for importing and maintaining an up-to-date road graph of OpenStreetMap data and using it to calculate routes with pgRouting.Feb 27, 20201Feb 27, 20201
Frédéric RodrigoOptimization of OpenStreetMap background vector tile production for an on request service: Makina…Implementation of a software stack for serving vector tiles on request. The approach is based on the optimization of OpenMapTiles and the…Feb 4, 2020Feb 4, 2020
Frédéric RodrigoCassini Vector StyleProducing a vector map style in Mapbox GL format based on Cassini style is a challenge. The original style is largely graphic and partly…Jan 31, 2020Jan 31, 2020
Frédéric RodrigoCréation de tuiles pour le web depuis les orthophotographies de la BD Ortho® en Licence OuverteMBTiles depuis la BD Ortho®Jun 22, 2018Jun 22, 2018
Frédéric RodrigoExperiment on switching from SQL to Redis to request OpenStreetMap topological dataA custom data storage and manually tuned query steps on a database fully in memory should offer better performance than a SQL.Sep 3, 20171Sep 3, 20171