public void TrimDataList() //trim data points for log scale plotting to improve plotting performance
{
int desiredNumberOfDataPoints = 6000; //heuristic based on trial and error
while (LifetimeDataList.Count > desiredNumberOfDataPoints)
{
var modulusValue = 12; //we want to remove fewer data points initially since LED properties change most rapidly at first
var decileTracker = 1; //every 10% of the list we increase the frequency of data removal by decreasing the modulus value
//i.e., 1 corresponds to the first 10% of data points, 2 to the first 20%...
for (int i = 0; i < LifetimeDataList.Count; i++)
{
if (((double)i * 10 / (double)LifetimeDataList.Count) > decileTracker)//*10 because all values are otherwise < 1
{
decileTracker++;
modulusValue--;
//Debug.WriteLine("Mod value is now" + modulusValue);
}
if (i % modulusValue == 0 && i != LifetimeDataList.Count - 1)//remove data point every modulusValue except for the final
{
LifetimeDataList.RemoveAt(i);
}
}
//Debug.WriteLine("LifetimeDataList.Count is now: " + LifetimeDataList.Count);
}
}
public void PopulatePropertiesFromPath()
{
try
{
//TheLifetime = new Lifetime();
//TheLifetime.FilePath = fp;
GetLifetimeValuesFromCryscoHeader();
LoadLifetimeDataIntoList();
TheLifetime.SetCurrent = Math.Round(Convert.ToDecimal(LifetimeDataList.First().Current), 3); //this is in milliamps
TheLifetime.SetCurrentDensity = Math.Round(Convert.ToDecimal(LifetimeDataList.First().CurrentDensity), 3);
TheLifetime.InitialCE = Math.Round((4E-3m * TheLifetime.InitialLuminance) / TheLifetime.SetCurrent, 1);
var lowestRelativeLuminance = LifetimeDataList.Last().RelativeLuminance;//find how far the test went and then populate values
TheLifetime.TotalHoursElapsed = Math.Round(Convert.ToDecimal(LifetimeDataList.Last().ElapsedHours), 3);
var lifeStartDate = TheLifetime.StartDateTime ?? default(DateTime);
var timespan = lifeStartDate - TheLifetime.Pixel.Device.DeviceBatch.FabDate;
DaysBetweenDeviceFabAndLifetimeTest = Math.Round(Convert.ToDouble(timespan.TotalDays), 1);
if (lowestRelativeLuminance <= 0.97)
{
TheLifetime.TimeUntil97Percent = Math.Round(Convert.ToDecimal(LifetimeDataList.Where(x => x.RelativeLuminance <= 0.97d).First().ElapsedHours), 3);//find the first datum where relativeLuminance is less than 97% and get the elapsedHours
}
if (lowestRelativeLuminance <= 0.90)
{
TheLifetime.TimeUntil90Percent = Math.Round(Convert.ToDecimal(LifetimeDataList.Where(x => x.RelativeLuminance <= 0.90d).First().ElapsedHours), 3);//find the first datum where relativeLuminance is less than 97% and get the elapsedHours
}
if (lowestRelativeLuminance <= 0.50)
{
TheLifetime.TimeUntil50Percent = Math.Round(Convert.ToDecimal(LifetimeDataList.Where(x => x.RelativeLuminance <= 0.50d).First().ElapsedHours), 3);//find the first datum where relativeLuminance is less than 97% and get the elapsedHours
}
foreach (CryscoLifetimeDatum cld in LifetimeDataList)
{
cld.CurrentEfficiency = Math.Round(((4E-3 * cld.Luminance) / cld.Current), 3);
cld.PowerEfficiency = cld.CurrentEfficiency * Math.PI / cld.PixelVoltage;
}
TrimDataList();
}
catch (Exception e)
{
Debug.WriteLine(e);
MessageBox.Show(e.ToString());
}
}
