public void ExtractFootTrace()
{
CheapRuler ruler = new CheapRuler(_footTrace[0].Latitude);
ProbeExtractorOptions options = new ProbeExtractorOptions();
ProbeExtractor extractor = new ProbeExtractor(ruler, options);
List <Probe> extractedProbes = extractor.ExtractProbes(_footTrace);
Assert.AreEqual(40, extractedProbes.Count);
}
public void ExtractProbes()
{
CheapRuler ruler = CheapRuler.FromTile(49, 7);
ProbeExtractorOptions options = new ProbeExtractorOptions()
{
MinTimeBetweenProbes = 1, // seconds
MaxDistanceRatioJump = 3, // do not include probes when the distance is 3 times bigger than the previous one
MaxDurationRatioJump = 3, // do not include probes when the duration is 3 times bigger than the previous one
MaxAcceleration = 15, // meters per second per second
MaxDeceleration = 18 // meters per second per second
};
ProbeExtractor extractor = new ProbeExtractor(ruler, options);
List <Probe> extractedProbes = extractor.ExtractProbes(_trace);
Assert.AreEqual(12, extractedProbes.Count, "12 probes were expected to be extracted");
for (int i = 0; i < extractedProbes.Count; i++)
{
Probe fp = _probes[i]; // fixture probe
Probe ep = extractedProbes[i]; // extracted probe
Assert.AreEqual(fp.Longitude, ep.Longitude, 0.001, "probe[" + i.ToString() + "]: longitude doesn't match");
Assert.AreEqual(fp.Latitude, ep.Latitude, 0.001, "probe[" + i.ToString() + "]: latitude doesn't match");
Assert.AreEqual(fp.StartTime, ep.StartTime, "probe[" + i.ToString() + "]: start time doesn't match");
Assert.AreEqual(fp.Duration, ep.Duration, "probe[" + i.ToString() + "]: duration doesn't match");
Assert.AreEqual(fp.Speed, ep.Speed, 0.001, "probe[" + i.ToString() + "]: speed doesn't match");
Assert.AreEqual(fp.Bearing, ep.Bearing, 0.001, "probe[" + i.ToString() + "]: bearing doesn't match");
Assert.AreEqual(fp.Distance, ep.Distance, 0.001, "probe[" + i.ToString() + "]: distance doesn't match");
Assert.AreEqual(fp.IsGood, ep.IsGood, "probe[" + i.ToString() + "]: longitude doesn't match");
}
options.MinTimeBetweenProbes = 2;
extractor = new ProbeExtractor(ruler, options);
extractedProbes = extractor.ExtractProbes(_trace);
Assert.AreEqual(5, extractedProbes.Count, "5 probes were expected to be extracted");
options.OutputBadProbes = true;
extractor = new ProbeExtractor(ruler, options);
extractedProbes = extractor.ExtractProbes(_trace);
Assert.AreEqual(13, extractedProbes.Count, "13 probes were expected to be extracted");
}