/// <summary>
/// Generates random TelemetryData.
/// </summary>
/// <param name="sampleCount">The sample count that is used to set the size of each TelemetryData.Parameter values' size.</param>
/// <param name="sessionStart">Used to set the EpochNanos property of the TelemetryData. TelemetryData.Parameters
/// share the same timestamps as they aligned to the same time.</param>
/// <returns></returns>
public static TelemetryData GenerateData(int sampleCount, DateTime sessionStart)
{
var data = new TelemetryData()
{
EpochNanos = sessionStart.ToTelemetryTime(),
TimestampsNanos = new long[sampleCount],
Parameters = new TelemetryParameterData[1] // The sample AtlasConfiguration has only 1 parameter
};
// The sample AtlasConfiguration has only 1 parameter, so data.Parameters[0] must be initialized only.
data.Parameters[0] = new TelemetryParameterData()
{
AvgValues = new double[sampleCount], // The data will be stored in the AvgValues array, so this must be initialized
Statuses = new DataStatus[sampleCount] // Status is stored for each data, so Statuses array must be initialized
};
var randomRangeWalker = new RandomRangeWalker(0, 1); // Used to generated random data
for (int i = 0; i < sampleCount; i++)
{
var nextData = randomRangeWalker.GetNext();
data.TimestampsNanos[i] = i * Interval; // timestamps expressed in ns since the epoch, which is the start of the session
data.Parameters[0].AvgValues[i] = nextData;
data.Parameters[0].Statuses[i] = DataStatus.Sample;
}
return(data);
}
/// <summary>
/// Generates random TelemetrySamples.
/// </summary>
/// <param name="sampleCount">The sample count that is used to set the size of each TelemetrySamples.Values' size.</param>
/// <param name="sessionStart">Used to set the EpochNanos property of the TelemetrySamples.</param>
/// <returns></returns>
public static TelemetrySamples GenerateSamples(int sampleCount, DateTime sessionStart)
{
var sample = new TelemetryParameterSamples()
{
EpochNanos = sessionStart.ToTelemetryTime(),
TimestampsNanos = new long[sampleCount],
Values = new double[sampleCount]
};
var randomRangeWalker = new RandomRangeWalker(0, 1); // Used to generated random data
for (int i = 0; i < sampleCount; i++)
{
var nextSample = randomRangeWalker.GetNext();
sample.TimestampsNanos[i] = i * Interval;
sample.Values[i] = nextSample;
}
var data = new TelemetrySamples()
{
Parameters = new Dictionary <string, TelemetryParameterSamples>()
{
{ ParameterId, sample } // If you had more samples to send for other parameters, this is where you would add them
}
};
return(data);
}
/// <summary>
/// Generates random TelemetrySamples.
/// </summary>
/// <param name="sampleCount">The sample count that is used to set the size of each TelemetrySamples.Values' size.</param>
/// <param name="sessionStart">Used to set the EpochNanos property of the TelemetrySamples.</param>
/// <returns></returns>
public static TelemetrySamples GenerateSamples(int sampleCount, DateTime sessionStart)
{
var vcarSamples = new TelemetryParameterSamples()
{
EpochNanos = sessionStart.ToTelemetryTime(),
TimestampsNanos = new long[sampleCount],
Values = new double[sampleCount]
};
var gearSamples = new TelemetryParameterSamples()
{
EpochNanos = sessionStart.ToTelemetryTime(),
TimestampsNanos = new long[sampleCount],
Values = new double[sampleCount]
};
var randomRangeWalker = new RandomRangeWalker(0, 1); // Used to generated random data
for (int i = 0; i < sampleCount; i++)
{
var nextSample = randomRangeWalker.GetNext();
// each data has own timestamps, frequencies
vcarSamples.TimestampsNanos[i] = i * Interval;
vcarSamples.Values[i] = nextSample * 300;
gearSamples.TimestampsNanos[i] = i * Interval;
gearSamples.Values[i] = nextSample;
}
var max = vcarSamples.Values.Max();
var modVal = max / 7 + 1; // Assuming a car has 8 gears, we are splitting the samples to 8 equal ranges and adding 1 to it, so it will be 1 .. 8
for (int i = 0; i < sampleCount; i++)
{
gearSamples.TimestampsNanos[i] = vcarSamples.TimestampsNanos[i];
gearSamples.Values[i] = Math.Round(vcarSamples.Values[i] / modVal);
}
var data = new TelemetrySamples()
{
Parameters = new Dictionary <string, TelemetryParameterSamples>()
{
{ VcarParameterId, vcarSamples },
{ GearParameterId, gearSamples } // If you had more samples to send for other parameters, this is where you would add them
}
};
return(data);
}