GpxToGEOJsonConverter

GpxToGEOJsonConverter.py

import glob
import gpxpy
import gpxpy.gpx
from geojson import Feature, LineString, FeatureCollection
from datetime import datetime


class GpxToGEOJsonConverter:
    def to_timestamp(self, dt, epoch=datetime(1970, 1, 1)):
        td = dt - epoch
        return (td.microseconds + (td.seconds + td.days * 86400) * 10 ** 6) / 10 ** 6

    def get_data_from_xml_file(self, file_name):
        gpx_file = open(file_name, 'r')
        gpx = gpxpy.parse(gpx_file)
        data = []
        for track in gpx.tracks:
            for segment in track.segments:
                for point in segment.points:
                    data.append({"lat": point.latitude,
                                 "lon": point.longitude,
                                 "ts": self.to_timestamp(point.time),
                                 "ele": point.elevation})
        return data

    def convert_gpx_file(self, file_name):
        dataset = self.get_data_from_xml_file(file_name)
        timestamps = []
        elevations = []
        points = []
        for data in dataset:
            # print(data)
            points.append((data['lon'], data['lat']))
            timestamps.append(int(data["ts"]))
            elevations.append(data["ele"])

        props = {
            "distance": None,
            "duration": None,
            "energy_burned": None,
            "altitude": None,
            "ascent": None,
            "max_speed": None,
            "activity_type": "CAR",
            "timestamps": timestamps,
            "elevations": elevations
        }

        my_line = LineString(points)
        my_feature = Feature(geometry=my_line, properties=props)
        json = FeatureCollection([my_feature])
        # print(json)
        return json

    def convert_gpx_files(self, files_names_pattern="*.gpx"):
        files = glob.glob(files_names_pattern)
        for file_name in files:
            print("file_name: ", file_name)
            json = self.convert_gpx_file(file_name)
            with open(file_name + ".json", "w") as outfile:
                outfile.write(str(json))


c = GpxToGEOJsonConverter()
c.convert_gpx_files()