Tag: GeoJSON

Articles about GeoJSON across Sentinel-2, SAR+optical fusion, indices, and EO workflows.

How to Fix Invalid Polygons: Self-intersections, Holes, and GeoJSON Gotchas

2026-02-17

Fix invalid polygons fast: Diagnose self-intersections, hole errors, and CRS mistakes, then repair in GeoJSON, QGIS, or PostGIS.