Background, examples and recipes for common use cases and questions
General Background
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Why Open Data?
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Geocoding vs Geosearch
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Reverse Geocoding
Geocoding Questions and Scenarios
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Formatting your query
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Speed up your geocoding
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Geocoding large datasets
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Geocoding accuracy
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Migrating from Nominatim
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Migrating from Google Maps
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Build or Buy?
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Limit API results to a certain country or region
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Geocoding and postal codes
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Formatting Addresses
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Putting results on a map
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Browser Geolocation
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Show an imprecise location
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Writing an SDK or integration
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Convert image GPS coordinates into location information
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Convert coordinates into country
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Replacing your geocoding API key
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Protect your API key
Geosearch (location autosuggest) Background
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What is Geosearch?
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Why is geosearch needed?
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Consumer expectations for location search
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Geosearch: Technical Considerations
This image shows the node density of OpenStreetMap data in summer 2015.
It's one of many data sources we use.
Data © OpenStreetMap contributors, Imagery © Martin Raifer, cc-by
Open as larger interactive map
It's one of many data sources we use.
Data © OpenStreetMap contributors, Imagery © Martin Raifer, cc-by
Open as larger interactive map