private SfChart GeneratePositionsMagneticFieldChart()
{
var magneticFieldData = LocaleData.Where(data => data.SignalType == SignalType.Magnetometer).ToList();
MagneticFieldData = new ObservableCollection <PositionSignalData>(magneticFieldData);
return(ChartsFactory.CreatePositionSignalDataScatterChart(
AppResources.Magnetic_field,
AppResources.Magnetic_Y_Intensity,
AppResources.Magnetic_Z_Intensity,
MagneticFieldData,
"Z", "Y", "StandardDeviationZ", "StandardDeviationX",
ErrorBarMode.Both
));
}
private void AddPositionsSignalsCharts(StackLayout stackLayout)
{
SignalNames.ForEach(signalName =>
{
var signalData = LocaleData.Where(data => data.SignalId == signalName).ToList();
var minimum = signalData.Min(signalData => signalData.Strength - signalData.StandardDeviation);
var maximum = signalData.Max(signalData => signalData.Strength + signalData.StandardDeviation);
var primaryAxis = new CategoryAxis()
{
Title = new ChartAxisTitle()
{
Text = AppResources.Position
}
};
var secondaryAxis = new NumericalAxis()
{
Minimum = minimum,
Maximum = maximum,
LabelStyle = new ChartAxisLabelStyle()
{
LabelFormat = "##"
},
Title = new ChartAxisTitle()
{
Text = AppResources.RSSI_dB
}
};
var chart = ChartsFactory.CreatePositionSignalDataScatterChart(
signalName,
AppResources.RSSI_dB,
AppResources.Position,
signalData,
"PositionId",
"Strength",
"",
"StandardDeviation",
ErrorBarMode.Vertical,
primaryAxis,
secondaryAxis,
height: 400 + ((int)Math.Floor(signalData.Count / 2.0) * 30));
stackLayout.Children.Add(chart);
});
}
private void AggregateData()
{
Locale.Zones?.ForEach(zone =>
zone.Positions?.ForEach(position =>
{
position.Zone = zone;
position.PositionSignalData?.ForEach(data =>
{
data.Position = position;
LocaleData.Add(data);
});
}));
SignalNames = LocaleData
.Where(data => data.SignalType != SignalType.Magnetometer && !string.IsNullOrEmpty(data.SignalId))
.GroupBy(data => data.SignalId)
.Select(data => new { SignalId = data.Key, Samples = data.Sum(positionSignalData => positionSignalData.Samples) })
.OrderByDescending(signal => signal.Samples)
.Select(signal => signal.SignalId)
.ToHashSet();
}
