geospatial data and analysis is :exploding_head:
summary
Geospatial work is hard but practical: expect concrete tips on file formats and WKT, a debugging checklist (check CRS, simplify or explode multi-geometries, plot against a basemap), and library recommendations like shapely, geopandas, geojson, geoalchemy/PostGIS, H3 and QGIS. Learn EPSG codes — use epsg:4326 for raw lat/long — and watch for datum shifts (Australia moves ~1.8 meters between GDA94 and GDA2020). Also see tiling tools such as H3 hexagons for area-based analysis.
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chapters (14)
- 0:00Intro
- 0:39Overview
- 1:36Working with geospatial data
- 2:50Vector data
- 4:35Multipolygon
- 5:24Complex geometries
- 6:14Spatial reference systems
- 6:45Coordinate reference systems
- 10:24Projections
- 12:05WellknownText
- 12:39Libraries
- 16:30Community
- 18:17Debugging
- 20:31Urban planning
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