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Add brief documentation

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Edward Betts 2021-04-15 12:26:49 +01:00
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commit 656b0bbbc1
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templates/index.html
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@ -6,15 +6,33 @@
</head>
<body>
<h1>Geocode UK coordinates to Commons Category</h1>
<h1>Geocode coordinates to Commons Category</h1>
<ol>
<li>Overpass query to find OSM polygon that contain given lat/lon.</li>
<li>Sort list of OSM polygons by admin_level descending.</li>
<li>Check each polygon for wikidata tag, starting with highest admin_level first.</li>
<li>If the wikidata tag isn't found try looking for a 'ref:gss' tag and look for matching Wikidata item using the
Wikidata Query service (WDQS)</li>
<li>Finally try match by name. Look for nearby items with the same name using WDQS.</li>
<li>Return the most specific Wikidata QID and Commons Category.</li>
</ol>
<form>
Latitude/Longitude: <input name="q"/> (e.g. 54.375, -2.999) <input type="submit" value="go"/>
</form>
<p>Examples</p>
<ul>
{% for lat, lon, name in samples %}
<li><a href="?lat={{ lat }}&lon={{ lon }}">{{ name }}</a> ({{ lat }}, {{ lon }})</li>
<li><a href="detail?lat={{ lat }}&lon={{ lon }}">{{ name }}</a> ({{ lat }}, {{ lon }})
&mdash;
<a href="?lat={{ lat }}&lon={{ lon }}">API call</a></li>
{% endfor %}
</ul>
<p>source code: <a href="https://github.com/EdwardBetts/uk-geocode">https://github.com/EdwardBetts/uk-geocode</a></p>
</body>
</html>