/// <inheritdoc />
public virtual SummaryIndexBase[] ConvertEventsToSummaryIndices(IEnumerable <EventBase> events, TimeSpan unitTime, TimeSpan duration, double scoreThreshold)
{
if (duration == TimeSpan.Zero)
{
return(null);
}
double units = duration.TotalSeconds / unitTime.TotalSeconds;
// get whole minutes
int unitCount = (int)(units / 1);
// add fractional minute
if (units % 1 > 0.0)
{
unitCount += 1;
}
// to store event counts
var eventsPerUnitTime = new int[unitCount];
// to store counts of high scoring events
var bigEvsPerUnitTime = new int[unitCount];
foreach (var anEvent in events)
{
// note: absolute determines what value is used
// EventStartSeconds (relative to ~~segment~~, 2017-09: RELATIVE TO RECORDING)
// StartOffset (relative to recording)
double eventStart = anEvent.EventStartSeconds;
double eventScore = anEvent.Score;
var timeUnit = (int)(eventStart / unitTime.TotalSeconds);
// NOTE: eventScore filter replaced with greater then as opposed to not equal to
if (eventScore >= 0.0)
{
eventsPerUnitTime[timeUnit]++;
}
if (eventScore > scoreThreshold)
{
bigEvsPerUnitTime[timeUnit]++;
}
}
var indices = new SummaryIndexBase[eventsPerUnitTime.Length];
for (int i = 0; i < eventsPerUnitTime.Length; i++)
{
var newIndex = new EventIndex
{
ResultStartSeconds = unitTime.Multiply(i).TotalSeconds,
EventsTotal = eventsPerUnitTime[i],
EventsTotalThresholded = bigEvsPerUnitTime[i],
SegmentDurationSeconds = unitTime.TotalSeconds,
};
indices[i] = newIndex;
}
return(indices);
}
public static void CorrectSummaryIndex(AnalysisResult2 result, SummaryIndexBase indexToBeFixed, int totalSummaryIndicesSoFar, int totalSumaryIndicesInJustThisResultSoFar)
{
indexToBeFixed.RankOrder = totalSummaryIndicesSoFar;
}