Raster
Geographic data represented as a grid of cells (pixels), each with a value. Used for aerial imagery, elevation (DEM), land cover, and other continuous phenomena.
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Remote Sensing
Collecting information about the Earth's surface via satellites, aircraft, or drones, without direct contact. Produces aerial imagery, multispectral images, and elevation data.
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REST API
An API style based on HTTP methods (GET, POST, etc.) and URLs. Many geo-services such as WFS and location servers use REST-like endpoints for retrieving data.
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