Latitude
Latitude is the angular geographic coordinate specifying a location’s position north or south of the equator.
Just Use Postgres!
Latitude is the angular coordinate measuring position north or south of the equator on Earth.
- How it is used
- Uses latitude to convert stored geospatial points into GPS-style coordinates and place markers on online maps.
- How deep it goes
- Explains coordinate transformation and extraction, but stops short of mathematical treatment of angular measurement.
- Examples
- Demonstrates Tampa’s transformed point and an OpenStreetMap URL containing latitude and longitude parameters.
- What you can do after
- Apply latitude through PostGIS transformations, coordinate extraction, and map URLs.
D3.js in Action, Third Edition
Latitude is the angular coordinate specifying a north–south position relative to the equator on Earth.
- How it is used
- Locates individual points on maps by supplying latitude with longitude to a geographic projection.
- How deep it goes
- Defines north–south position and demonstrates projected point placement, while deferring detailed GeoJSON geometry construction.
- Examples
- Uses GeoJSON polygon coordinates and Nobel laureates’ birth-city locations as concrete mapping examples.
- What you can do after
- Apply it via a D3 projection to position geographic points inside an SVG map.
Related concepts
- geo_point data typeused by · The Elasticsearch geo_point field type represents a geographic location using latitude and longitude coordinates.
- scatter plotused by · A scatter plot is a chart that represents observations as points positioned according to their values on two or more coordinate axes.
- geolocationpart of · Geolocation is the geographic position or place associated with a person, device, object, or event, represented or inferred from location data.
- map projectionused by · A map projection is a mathematical transformation that represents positions on a curved surface in a flat coordinate system.
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