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Results tagged with geography-data-type
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user 213279
geography data type, stores ellipsoidal (round-earth) data, such as GPS latitude and longitude coordinates.
1
vote
1
answer
219
views
Using WGS 84 and geometry calculations to check if point is inside polygon
I'm storing polygons in a PostGIS database. The shape of the polygons is stored in a field of type geometry(Polygon,4326).
From time to time, I need to check if a point (of type geometry(Point,4326)) …
- 143
2
votes
1
answer
219
views
geometry vs geography for distance measurement and large dataset
I'm working on a project where I have clusters of GPS coordinates to store, let's say ~20k points per cluster. The clusters overlay with big cities, like London or New York. I have many clusters aroun …
- 143