Null Archipelago — Null Islands for All Coordinate Reference Systems — revision

Ok, I misunderstood… . The Null Island Archipelago is actually meant to be just datum based, i.e. not the 0,0 of every projection, but the 0,0 of every null lat/lon.     @mizmay Someone suggested & @schuyler tweeted (who? please remind me!) a few weeks ago that each coordinate reference system (CRS) has it’s own Null Island, and therefore there must be a Null Archipelago. … Continue reading Null Archipelago — Null Islands for All Coordinate Reference Systems — revision

Null Archipelago — Null Islands for All Coordinate Reference Systems

@mizmay Someone suggested & @schuyler tweeted (who? please remind me!) a few weeks ago that each coordinate reference system (CRS) has it’s own Null Island, and therefore there must be a Null Archipelago. This got me thinking — what does that look like? Enter PostGIS. We’ll create a function, that given an EPSG code will return the 0,0 location for that reference system in the … Continue reading Null Archipelago — Null Islands for All Coordinate Reference Systems