public static Dictionary<int, long> ProcessZeroCrossings(
SampleValue[] samples,
bool positiveTrigger = false,
int offset = 0,
int? crossingsCount = null,
int averageCount = 4)
{
AverageValue averageValue = new AverageValue(averageCount);
var crossings = new Dictionary<int, long>();
bool crossSet = false;
int sampleSize = samples.Length;
for (int i = 0; i < sampleSize; i++)
{
averageValue.Value = samples[i].Value;
if (i > averageValue.SampleSize)
{
var fvalue = averageValue.Value;
var averageIndex = i - averageValue.SampleSize / 2;
samples[averageIndex].Value = (int)fvalue;
if (crossingsCount.HasValue && crossings.Count < crossingsCount.Value)
{
if (!crossSet && ((!positiveTrigger && (fvalue > offset)) || (positiveTrigger && (fvalue < offset))))
{
crossSet = true;
}
if (crossSet && ((!positiveTrigger && (fvalue < offset)) || (positiveTrigger && (fvalue > offset))))
{
crossings.Add(averageIndex, samples[i].Tick);
crossSet = false;
}
}
}
}
return crossings;
}
public static Dictionary <int, long> ProcessZeroCrossings(
SampleValue[] samples,
bool positiveTrigger = false,
int offset = 0,
int?crossingsCount = null,
int averageCount = 4)
{
AverageValue averageValue = new AverageValue(averageCount);
var crossings = new Dictionary <int, long>();
bool crossSet = false;
int sampleSize = samples.Length;
for (int i = 0; i < sampleSize; i++)
{
averageValue.Value = samples[i].Value;
if (i > averageValue.SampleSize)
{
var fvalue = averageValue.Value;
var averageIndex = i - averageValue.SampleSize / 2;
samples[averageIndex].Value = (int)fvalue;
if (crossingsCount.HasValue && crossings.Count < crossingsCount.Value)
{
if (!crossSet && ((!positiveTrigger && (fvalue > offset)) || (positiveTrigger && (fvalue < offset))))
{
crossSet = true;
}
if (crossSet && ((!positiveTrigger && (fvalue < offset)) || (positiveTrigger && (fvalue > offset))))
{
crossings.Add(averageIndex, samples[i].Tick);
crossSet = false;
}
}
}
}
return(crossings);
}