73 lines
2.6 KiB
Python
73 lines
2.6 KiB
Python
import os
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import gpxpy
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import gpxpy.gpx
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from datetime import datetime, timedelta
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from geopy.distance import geodesic
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start_time = ['2022-04-01 17:34']
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old = '<gpx creator="Health" xsi:schemaLocation="http://www.topografix.com/GPX/1/0 \
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http://www.topografix.com/GPX/1/0/gpx.xsd" version="1.0" \
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xmlns="http://www.topografix.com/GPX/1/0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">'
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new = '<gpx xmlns="http://www.topografix.com/GPX/1/1" \
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" \
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xsi:schemaLocation="http://www.topografix.com/GPX/1/1 \
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http://www.topografix.com/GPX/1/1/gpx.xsd" version="1.1" \
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creator="gpx.py -- https://github.com/tkrajina/gpxpy">\n'
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def file_format(file):
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f = open('./old/'+file, 'r', encoding='utf-8')
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s = f.readline()
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s = s.replace(old, new)
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s = '<?xml version="1.0" encoding="UTF-8"?>\n' + s
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with open('./old/'+file, 'w', encoding='utf-8') as f:
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f.write(s)
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def process(file, index):
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gpx_file = open('./old/'+file, 'r', encoding='utf-8')
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gpx = gpxpy.parse(gpx_file)
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s = 0
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p = None
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for track in gpx.tracks:
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time = float(track.extensions[0].text)
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for segment in track.segments:
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for point in segment.points:
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if p:
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s += geodesic((point.latitude, point.longitude), (p.latitude, p.longitude)).m
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p = point
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ngpx = gpxpy.gpx.GPX()
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gpx_track = gpxpy.gpx.GPXTrack()
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ngpx.tracks.append(gpx_track)
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gpx_segment = gpxpy.gpx.GPXTrackSegment()
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gpx_track.segments.append(gpx_segment)
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p = None
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time0 = datetime.strptime(start_time[index], '%Y-%m-%d %H:%M') - timedelta(hours=8)
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for track in gpx.tracks:
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for segment in track.segments:
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for point in segment.points:
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if p and point.latitude == p.latitude and point.longitude == p.longitude:
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continue
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if p:
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dis = geodesic((point.latitude, point.longitude), (p.latitude, p.longitude)).m
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dtime += time * dis / s
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else:
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dtime = 0
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gpx_segment.points.append(gpxpy.gpx.GPXTrackPoint(point.latitude, point.longitude,
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time=time0 + timedelta(seconds=dtime)))
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# datetime.strftime(time0 + timedelta(seconds=dtime), '%Y-%m-%dT%H:%M:%S.%fZ')
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p = point
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with open('./new/'+file, 'w', encoding='utf-8') as f:
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f.write(ngpx.to_xml())
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files = os.listdir('./old')
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for k in range(len(files)):
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file_format(files[k])
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process(files[k], k)
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os.remove('./old/' + files[k])
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