Created
April 13, 2012 21:07
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| from xml.etree.ElementTree import ElementTree | |
| from datetime import datetime | |
| import time | |
| from sys import argv | |
| import json | |
| tree = ElementTree() | |
| if (len(argv) < 3): | |
| print "specify an input & output filename, and year. input is osm, output is geojson" | |
| exit() | |
| tree.parse(argv[1]) | |
| geojson = { "type": "FeatureCollection", "features": [] } | |
| nodeidx = {} | |
| print 'mapping nodes' | |
| for n in tree.iterfind('node'): | |
| if (n.attrib.has_key('user')): | |
| pt = { | |
| "type": "Feature", | |
| "geometry": { | |
| "type": 'Point', | |
| "coordinates": [float(n.attrib['lon']), float(n.attrib['lat'])] | |
| }, | |
| "properties": { | |
| "user": n.attrib['user'], | |
| "version": n.attrib['version'], | |
| "timestamp": time.mktime(datetime.strptime(n.attrib['timestamp'], '%Y-%m-%dT%H:%M:%SZ').utctimetuple()) | |
| } | |
| } | |
| geojson['features'].append(pt) | |
| json.dump(geojson, open(argv[2], 'w')) |
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