def writeToGpx(tracks, path, af=False):
"""
Transforms track into Gpx string
# path: file to write gpx (gpx returned in standard output if empty)
af: AF exported in gpx file
"""
f = open(path, "w")
# Time output management
fmt_save = GPSTime.getPrintFormat()
GPSTime.setPrintFormat("4Y-2M-2DT2h:2m:2s")
if isinstance(tracks, Track):
collection = TrackCollection()
collection.addTrack(tracks)
tracks = collection
f.write('<?xml version="1.0" encoding="UTF-8"?>\n')
f.write("<gpx>\n")
f.write(
"<author>File generated by Tracklib: https://github.com/umrlastig/tracklib</author>\n"
)
for i in range(len(tracks)):
track = tracks.getTrack(i)
f.write(" <trk>\n")
f.write(" <trkseg>\n")
for i in range(len(track)):
x = "{:3.8f}".format(track[i].position.getX())
y = "{:3.8f}".format(track[i].position.getY())
z = "{:3.8f}".format(track[i].position.getZ())
f.write(' <trkpt lat="' + y + '" lon="' + x +
'">\n')
f.write(" <ele>" + z + "</ele>\n")
f.write(" <time>" + str(track[i].timestamp) +
track[i].timestamp.printZone() + "</time>\n")
if af:
f.write(" <extensions>\n")
for af_name in track.getListAnalyticalFeatures():
f.write(" <" + af_name + ">")
f.write(str(track.getObsAnalyticalFeature(af_name, i)))
f.write("</" + af_name + ">\n")
f.write(" </extensions>\n")
f.write(" </trkpt>\n")
f.write(" </trkseg>\n")
f.write(" </trk>\n")
f.write("</gpx>\n")
f.close()
GPSTime.setPrintFormat(fmt_save)
from tracklib.core.Obs import Obs
from tracklib.core.Operator import Operator
from tracklib.core.Kernel import GaussianKernel
from tracklib.io.FileReader import FileReader
import sys
import math
import time
import random
import numpy as np
# ---------------------------------------------------
# Lecture des donnees
# ---------------------------------------------------
GPSTime.setReadFormat("4Y-2M-2D 2h:2m:2s")
GPSTime.setPrintFormat("4Y-2M-2D 2h:2m:2s.3z")
chemin = "../data/trace0.gps"
GPSTime.setReadFormat("4Y-2M-2D 2h:2m:2s")
track = FileReader.readFromFile(chemin, 2, 3, -1, 1, separator=",")
track = track.extract(100, 300)
track %= 20
# - MODE_SPATIAL (1)
# - MODE_TEMPORAL (2)
# algorithm:
# - ALGO_LINEAR (1)
# - ALGO_THIN_SPLINES (2)