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Paul Ramsey

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titleconferencedate
Why we codeFOSS4G SotM Oceania 20182018-11-20
Argues that open source succeeds because three interacting economies drive it not because heroic coders alone the software attention economy concentrates users…
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Breakout SessionPGConf Silicon Valley 20152015-11-17
PostGIS surprises are concrete: mismatched SRIDs (e.g. data labelled 4326 but actually 3005) require ST_SetSRID or ST_Transform to fix coordinates, Mercator…
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This Is PostGISPostgres Open 20122012-09-17
PostGIS. A spatial database extension for PostgreSQL. What spatial data is, the questions you can answer with it, the features of PostGIS explained, with an…
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Why Your Data SucksO'Reilly Where 2.0 Conference 20102010-03-30
Argues that geodata carries measurable error and gives concrete examples: GPS fixes require a 10 meter 95% error radius (a 60 foot diameter circle), old survey…
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