private long GetTripDistance(RoutePredictionValidation validation)
{
double startX = geoTransform.LongitudeToX(validation.StartLon);
double endX = geoTransform.LongitudeToX(validation.ActualEndLon);
double startY = geoTransform.LatitudeToY(validation.StartLat);
double endY = geoTransform.LatitudeToY(validation.ActualEndLat);
return((long)Math.Sqrt(
Math.Pow(Math.Abs(startX - endX), 2) +
Math.Pow(Math.Abs(startY - endY), 2)));
}
private RoutePredictionValidation ValidateRoutePrediction(TripSummary trip)
{
RoutePredictionValidation validation = new RoutePredictionValidation() {
ActualEndLat = trip.EndLatitude,
ActualEndLon = trip.EndLongitude,
StartLat = trip.StartLatitude,
StartLon = trip.StartLongitude,
};
var predictionResult = PredictEndLocation(trip.StartLatitude, trip.StartLongitude, trip.StartTime);
validation.ClusterLevel = predictionResult.ClusterLevel;
if (predictionResult.Predictions.Count > 0)
{
validation.PredictedEndLat = predictionResult.Predictions[0].Lat;
validation.PredictedEndLon = predictionResult.Predictions[0].Lon;
validation.PredictionAccuracyInMeter = CalculatePredictionAccuracyInMeter(
validation.ActualEndLat, validation.ActualEndLon,
validation.PredictedEndLat, validation.PredictedEndLon);
foreach (var prediction in predictionResult.Predictions)
{
var scoredItem = new ScoredRoutePredictionItem()
{
Prediction = prediction,
PredictionAccuracyInMeter =
CalculatePredictionAccuracyInMeter(validation.ActualEndLat, validation.ActualEndLon, prediction.Lat, prediction.Lon)
};
validation.ScoredPredictions.Add(scoredItem);
}
}
return validation;
}
private long GetTripDistance(RoutePredictionValidation validation)
{
double startX = geoTransform.LongitudeToX(validation.StartLon);
double endX = geoTransform.LongitudeToX(validation.ActualEndLon);
double startY = geoTransform.LatitudeToY(validation.StartLat);
double endY = geoTransform.LatitudeToY(validation.ActualEndLat);
return (long)Math.Sqrt(
Math.Pow(Math.Abs(startX - endX), 2) +
Math.Pow(Math.Abs(startY - endY), 2));
}
