Articles by tag: postgis

Satellite imagery selection by water level

Learn how the “Uroven-Sputnik” service automates Landsat and Sentinel search for hydrological data. Architecture on PostGIS, STAC and MPC for hydrologists. Study the stack and implementation.

ETL for 15 million GPS pings: stack and architecture

Breakdown of ETL system processing 15 million GPS coordinates of buses per day. PostgreSQL, PostGIS, PySpark, Data Vault. Trip segmentation and spatial analytics for middle/senior dev. Study the implementation.