internal void NextFrame()
{
foreach (ITrackedObject obj in m_ObjectGroup)
{
TrackedObjectLight trackedObject = (TrackedObjectLight)obj;
trackedObject.NextFrame();
}
}
public override void NextFrame(int frameNo, IAstroImage astroImage)
{
IsTrackedSuccessfully = false;
// For each of the non manualy positioned Tracked objects do a PSF fit in the area of its previous location
for (int i = 0; i < m_TrackedObjects.Count; i++)
{
TrackedObjectLight trackedObject = (TrackedObjectLight)m_TrackedObjects[i];
trackedObject.NextFrame();
if (trackedObject.OriginalObject.IsFixedAperture || (trackedObject.OriginalObject.IsOcultedStar() && m_IsFullDisappearance))
{
// Star position will be determined after the rest of the stars are found
}
else
{
uint[,] pixels = astroImage.GetPixelsArea(trackedObject.Center.X, trackedObject.Center.Y, 17);
var fit = new PSFFit(trackedObject.Center.X, trackedObject.Center.Y);
fit.FittingMethod = TangraConfig.Settings.Tracking.CheckElongation ? PSFFittingMethod.NonLinearAsymetricFit : PSFFittingMethod.NonLinearFit;
fit.Fit(pixels);
if (fit.IsSolved)
{
if (fit.Certainty < GUIDING_STAR_MIN_CERTAINTY)
{
trackedObject.SetIsTracked(false, NotMeasuredReasons.ObjectCertaintyTooSmall);
}
else if (fit.FWHM < STELLAR_OBJECT_MIN_FWHM || fit.FWHM > STELLAR_OBJECT_MAX_FWHM)
{
trackedObject.SetIsTracked(false, NotMeasuredReasons.FWHMOutOfRange);
}
else if (TangraConfig.Settings.Tracking.CheckElongation && fit.ElongationPercentage > STELLAR_OBJECT_MAX_ELONGATION)
{
trackedObject.SetIsTracked(false, NotMeasuredReasons.ObjectTooElongated);
}
else
{
trackedObject.SetTrackedObjectMatch(fit);
trackedObject.SetIsTracked(true, NotMeasuredReasons.TrackedSuccessfully);
}
}
}
}
bool atLeastOneObjectLocated = false;
for (int i = 0; i < m_TrackedObjects.Count; i++)
{
TrackedObjectLight trackedObject = (TrackedObjectLight)m_TrackedObjects[i];
bool needsRelativePositioning = trackedObject.OriginalObject.IsFixedAperture || (trackedObject.OriginalObject.IsOcultedStar() && m_IsFullDisappearance);
if (!needsRelativePositioning && trackedObject.IsLocated)
{
atLeastOneObjectLocated = true;
}
if (!needsRelativePositioning)
{
continue;
}
double totalX = 0;
double totalY = 0;
int numReferences = 0;
for (int j = 0; j < m_TrackedObjects.Count; j++)
{
TrackedObjectLight referenceObject = (TrackedObjectLight)m_TrackedObjects[j];
if (referenceObject.IsLocated)
{
totalX += (trackedObject.OriginalObject.ApertureStartingX - referenceObject.OriginalObject.ApertureStartingX) + referenceObject.Center.XDouble;
totalY += (trackedObject.OriginalObject.ApertureStartingY - referenceObject.OriginalObject.ApertureStartingY) + referenceObject.Center.YDouble;
numReferences++;
atLeastOneObjectLocated = true;
}
}
if (numReferences == 0)
{
trackedObject.SetIsTracked(false, NotMeasuredReasons.FitSuspectAsNoGuidingStarsAreLocated);
}
else
{
double x_double = totalX / numReferences;
double y_double = totalY / numReferences;
if (trackedObject.OriginalObject.IsFixedAperture)
{
trackedObject.SetIsTracked(true, NotMeasuredReasons.FixedObject, new ImagePixel(x_double, y_double), 1);
}
else if (trackedObject.OriginalObject.IsOcultedStar())
{
int x = (int)(Math.Round(totalX / numReferences));
int y = (int)(Math.Round(totalY / numReferences));
int matrixSize = (int)(Math.Round(trackedObject.OriginalObject.ApertureInPixels * 1.5));
if (matrixSize % 2 == 0)
{
matrixSize++;
}
if (matrixSize > 17)
{
matrixSize = 17;
}
uint[,] pixels = astroImage.GetPixelsArea(x, y, matrixSize);
PSFFit fit = new PSFFit(x, y);
fit.Fit(pixels);
if (fit.IsSolved && fit.Certainty > STELLAR_OBJECT_MIN_CERTAINTY)
{
trackedObject.SetIsTracked(true, NotMeasuredReasons.TrackedSuccessfully);
trackedObject.SetTrackedObjectMatch(fit);
}
else if (m_IsFullDisappearance)
{
trackedObject.SetIsTracked(false, NotMeasuredReasons.FullyDisappearingStarMarkedTrackedWithoutBeingFound);
}
else
{
trackedObject.SetIsTracked(false, NotMeasuredReasons.ObjectCertaintyTooSmall);
}
}
}
}
IsTrackedSuccessfully = atLeastOneObjectLocated;
}
