API Services Comparison and NOAA GeoJSON Integration
Explore the features and benefits of various API services, including automatic updates, command-line access, and standardized URL patterns. Learn about the NOAA Geoid API delivered in JSON format and the available geospatial APIs for different products. Discover other services like WMS, WMTS, and Vector Tiles provided by NOAA. Stay informed on API availability and features for seamless integration and data consumption.
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Presentation Transcript
API Krishna Tadepalli
API vs Download Platform independent API Download Platform independent (?) Internet access required No internet access required Updates are automatic Updates are manual(?) Command line access Command line access Access is through API calls Access is through an executable Backward compatibility Backward compatibility may not be guaranteed
API Delivered in JSON format { "geoidModel": "GEOID18", "station": "UserStation", "lat": 40.0, "latDms": "N400000.00000", "lon": -80.0, "lonDms": "W0800000.00000", "geoidHeight": -33.203, "error": 0.034 } GeoJSON option under consideration Easy to consume and parse
API Standardized URL patterns https://geodesy.noaa.gov/api/<product>/<request> Metadata available for keys used in JSON https://geodesy.noaa.gov/api/<product>/meta { "error": "Error, in meters, associated with Geoid Height computation", "geoidHeight": "Geoid Height in meters", "geoidModel": "An alphanumeric ID of the model used to compute Geoid Height", "lat": "Latitude, in decimal degrees, positive north of the equator", "latDms": "Latitude in Degrees-Minutes-Seconds with a 'N'orth or 'S'outh hemisphere prefix", "lon": "Longitude in decimal degrees; negative west of the prime meridian", "lonDms": "Longitude in Degrees-Minutes-Seconds with an 'E'ast or 'W'est hemisphere prefix", "station": "An alphanumeric name associated with a given lat-long" } Rate limits apply
Whats available as an API? API discovery link https://geodesy.noaa.gov/web_services/ or Navigate to Tools->Web Services The link provides: Available APIs Sample URL patterns Description of request parameters APIs for alpha products (under development)
Other Services WMS/WMTS WFS Vector Tiles
