2019-08-18 15:56:53 +01:00
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Geocode to commons</title>
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</head>
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<body>
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2021-04-15 12:26:49 +01:00
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<h1>Geocode coordinates to Commons Category</h1>
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<ol>
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<li>Overpass query to find OSM polygon that contain given lat/lon.</li>
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<li>Sort list of OSM polygons by admin_level descending.</li>
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<li>Check each polygon for wikidata tag, starting with highest admin_level first.</li>
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<li>If the wikidata tag isn't found try looking for a 'ref:gss' tag and look for matching Wikidata item using the
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Wikidata Query service (WDQS)</li>
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<li>Finally try match by name. Look for nearby items with the same name using WDQS.</li>
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<li>Return the most specific Wikidata QID and Commons Category.</li>
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</ol>
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<form>
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Latitude/Longitude: <input name="q"/> (e.g. 54.375, -2.999) <input type="submit" value="go"/>
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</form>
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2019-08-18 15:56:53 +01:00
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<p>Examples</p>
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<ul>
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{% for lat, lon, name in samples %}
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2021-04-15 12:26:49 +01:00
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<li><a href="detail?lat={{ lat }}&lon={{ lon }}">{{ name }}</a> ({{ lat }}, {{ lon }})
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—
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<a href="?lat={{ lat }}&lon={{ lon }}">API call</a></li>
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2019-08-18 15:56:53 +01:00
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{% endfor %}
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</ul>
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2021-04-15 12:26:49 +01:00
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<p>source code: <a href="https://github.com/EdwardBetts/uk-geocode">https://github.com/EdwardBetts/uk-geocode</a></p>
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2019-08-18 15:56:53 +01:00
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</body>
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</html>
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