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_TrackedObjectGroups.Count; i++)
{
TrackedObjectGroup objectGroup = m_TrackedObjectGroups[i];
objectGroup.NextFrame();
if (objectGroup.TrackLater)
{
// Group position will be determined after the rest of the stars are found
}
else
{
if (objectGroup.IsSingleObject)
{
TrackedObjectLight trackedObject = (TrackedObjectLight)objectGroup.SingleObject;
uint[,] pixels = astroImage.GetPixelsArea(objectGroup.SingleObjectLastCenter.X, objectGroup.SingleObjectLastCenter.Y, 17);
var fit = new PSFFit(objectGroup.SingleObjectLastCenter.X, objectGroup.SingleObjectLastCenter.Y);
fit.FittingMethod = 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);
}
}
}
else
{
string dbg = "";
int areaCenterX = (objectGroup.LastCenterObject1.X + objectGroup.LastCenterObject2.X) / 2;
int areaCenterY = (objectGroup.LastCenterObject1.Y + objectGroup.LastCenterObject2.Y) / 2;
uint[,] pixels = astroImage.GetPixelsArea(areaCenterX, areaCenterY, 35);
var doubleFit = new DoublePSFFit(areaCenterX, areaCenterY);
int x1 = objectGroup.LastCenterObject1.X - areaCenterX + 17;
int y1 = objectGroup.LastCenterObject1.Y - areaCenterY + 17;
int x2 = objectGroup.LastCenterObject2.X - areaCenterX + 17;
int y2 = objectGroup.LastCenterObject2.Y - areaCenterY + 17;
if (TangraConfig.Settings.Photometry.PsfFittingMethod == TangraConfig.PsfFittingMethod.LinearFitOfAveragedModel)
{
doubleFit.FittingMethod = PSFFittingMethod.LinearFitOfAveragedModel;
}
doubleFit.Fit(pixels, x1, y1, x2, y2);
if (doubleFit.IsSolved)
{
PSFFit fit1 = doubleFit.GetGaussian1();
PSFFit fit2 = doubleFit.GetGaussian2();
TrackedObjectLight trackedObject1;
TrackedObjectLight trackedObject2;
bool groupIdentified = objectGroup.IdentifyObjects(fit1, fit2, GUIDING_STAR_MIN_CERTAINTY, out trackedObject1, out trackedObject2);
if (!groupIdentified)
{
dbg += "Ni-";
objectGroup.SetIsTracked(false, NotMeasuredReasons.PSFFittingFailed);
//Bitmap bmp = new Bitmap(100, 200);
//using (Graphics g = Graphics.FromImage(bmp))
//{
// doubleFit.DrawInternalPoints(g, new Rectangle(0, 0, 100, 200), 5, 5, Brushes.Lime, Brushes.Yellow, 8);
// g.Save();
//}
//bmp.Save(@"D:\Hristo\mutual_double_fit.bmp");
m_FailedGroupFits++;
}
else
{
PSFFit[] fits = new PSFFit[] { fit1, fit2 };
TrackedObjectLight[] trackedObjects = new TrackedObjectLight[] { trackedObject1, trackedObject2 };
int tooSmallCertainties = 0;
int errors = 0;
for (int j = 0; j < 2; j++)
{
PSFFit fit = fits[j];
TrackedObjectLight trackedObject = trackedObjects[j];
if (fit.Certainty < GUIDING_STAR_MIN_CERTAINTY)
{
tooSmallCertainties++;
trackedObject.SetIsTracked(true, NotMeasuredReasons.TrackedSuccessfully);
dbg += "TsGs-";
}
else if (fit.FWHM < STELLAR_OBJECT_MIN_FWHM || fit.FWHM > STELLAR_OBJECT_MAX_FWHM)
{
trackedObject.SetIsTracked(false, NotMeasuredReasons.FWHMOutOfRange);
dbg += "Fw-";
errors++;
}
else if (TangraConfig.Settings.Tracking.CheckElongation && fit.ElongationPercentage > STELLAR_OBJECT_MAX_ELONGATION)
{
trackedObject.SetIsTracked(false, NotMeasuredReasons.ObjectTooElongated);
dbg += "Elo-";
errors++;
}
else
{
trackedObject.SetIsTracked(true, NotMeasuredReasons.TrackedSuccessfully);
dbg += "Ts-";
}
}
if (tooSmallCertainties == 2)
{
trackedObjects[0].SetIsTracked(false, NotMeasuredReasons.ObjectCertaintyTooSmall);
trackedObjects[1].SetIsTracked(false, NotMeasuredReasons.ObjectCertaintyTooSmall);
errors++;
m_FailedGroupFits++;
dbg += "Uncer-";
}
if (errors == 0)
{
if (objectGroup.CheckIdentifiedObjects(fits[0].XCenter, fits[1].XCenter, fits[0].YCenter, fits[1].YCenter))
{
trackedObjects[0].SetTrackedObjectMatch(fits[0]);
trackedObjects[1].SetTrackedObjectMatch(fits[1]);
m_FailedGroupFits = 0;
dbg += "Id-";
double dist = ImagePixel.ComputeDistance(fits[0].XCenter, fits[1].XCenter, fits[0].YCenter, fits[1].YCenter);
if (dist < 2)
{
Trace.WriteLine("TOO CLOSE");
}
if (dist > 16)
{
Trace.WriteLine("TOO FAR");
}
}
else
{
dbg += "NoId-";
}
}
}
}
else
{
dbg += "NoSlv-";
}
objectGroup.ValidatePosition();
Trace.WriteLine(dbg);
}
}
}
bool atLeastOneGroupLocated = false;
for (int i = 0; i < m_TrackedObjectGroups.Count; i++)
{
TrackedObjectGroup trackedGroup = m_TrackedObjectGroups[i];
if (!trackedGroup.IsSingleObject && trackedGroup.LastCenterObject1 != null && trackedGroup.LastCenterObject2 != null)
{
Trace.WriteLine(string.Format("({0}, {1}, {2}) ({3},{4},{5}) [{6},{7}]",
trackedGroup.LastCenterObject1.XDouble, trackedGroup.LastCenterObject1.YDouble, trackedGroup.LastCenterObject1.Brightness,
trackedGroup.LastCenterObject2.XDouble, trackedGroup.LastCenterObject2.YDouble, trackedGroup.LastCenterObject2.Brightness,
trackedGroup.LastCenterObject1.XDouble - trackedGroup.LastCenterObject2.XDouble, trackedGroup.LastCenterObject1.YDouble - trackedGroup.LastCenterObject2.YDouble));
}
bool containsFullyDisappearingTarget = trackedGroup.ContainsOcultedStar && m_IsFullDisappearance;
if (!containsFullyDisappearingTarget && trackedGroup.IsLocated)
{
atLeastOneGroupLocated = true;
}
if (!containsFullyDisappearingTarget)
{
continue;
}
int numReferences = 0;
double x_double;
double y_double;
if (trackedGroup.IsSingleObject && m_IsFullDisappearance)
{
// This is the case for single fully disappearing targets
double totalX = 0;
double totalY = 0;
numReferences = 0;
for (int j = 0; j < m_TrackedObjectGroups.Count; j++)
{
TrackedObjectGroup referenceGroup = (TrackedObjectGroup)m_TrackedObjectGroups[j];
if (referenceGroup.IsLocated)
{
totalX += (trackedGroup.BrigherOriginalObject.ApertureStartingX - referenceGroup.BrigherOriginalObject.ApertureStartingX) + referenceGroup.BrigherObjectLastCenter.XDouble;
totalY += (trackedGroup.BrigherOriginalObject.ApertureStartingY - referenceGroup.BrigherOriginalObject.ApertureStartingY) + referenceGroup.BrigherObjectLastCenter.YDouble;
numReferences++;
atLeastOneGroupLocated = true;
}
}
x_double = totalX / numReferences;
y_double = totalY / numReferences;
}
else
{
// The fully disappearing target is in a group. The other target would have been located. We use the last known position of the other targets
numReferences = 1;
x_double = trackedGroup.NonOccultedObjectLastCenter.XDouble;
y_double = trackedGroup.NonOccultedObjectLastCenter.YDouble;
}
if (numReferences == 0)
{
trackedGroup.SetIsTracked(false, NotMeasuredReasons.FitSuspectAsNoGuidingStarsAreLocated);
}
else
{
int x = (int)(Math.Round(x_double));
int y = (int)(Math.Round(y_double));
uint[,] pixels = astroImage.GetPixelsArea(x, y, 35);
if (trackedGroup.IsSingleObject)
{
PSFFit fit = new PSFFit(x, y);
fit.Fit(pixels);
if (fit.IsSolved && fit.Certainty > STELLAR_OBJECT_MIN_CERTAINTY)
{
trackedGroup.SingleObject.SetIsTracked(true, NotMeasuredReasons.TrackedSuccessfully);
trackedGroup.SingleObject.SetTrackedObjectMatch(fit);
}
else if (m_IsFullDisappearance)
{
trackedGroup.SingleObject.SetIsTracked(false, NotMeasuredReasons.FullyDisappearingStarMarkedTrackedWithoutBeingFound);
}
else
{
trackedGroup.SingleObject.SetIsTracked(false, NotMeasuredReasons.ObjectCertaintyTooSmall);
}
}
else
{
string dbg = "";
DoublePSFFit doubleFit = new DoublePSFFit(x, y);
int x1 = trackedGroup.LastCenterObject1.X - x + 17;
int y1 = trackedGroup.LastCenterObject1.Y - y + 17;
int x2 = trackedGroup.LastCenterObject2.X - x + 17;
int y2 = trackedGroup.LastCenterObject2.Y - y + 17;
if (TangraConfig.Settings.Photometry.PsfFittingMethod == TangraConfig.PsfFittingMethod.LinearFitOfAveragedModel)
{
doubleFit.FittingMethod = PSFFittingMethod.LinearFitOfAveragedModel;
}
doubleFit.Fit(pixels, x1, y1, x2, y2);
if (doubleFit.IsSolved)
{
PSFFit fit1 = doubleFit.GetGaussian1();
PSFFit fit2 = doubleFit.GetGaussian2();
IImagePixel center1 = null;
IImagePixel center2 = null;
TrackedObjectLight trackedObject1;
TrackedObjectLight trackedObject2;
bool resortToBrightness = false;
bool groupIdentified = trackedGroup.IdentifyObjects(fit1, fit2, GUIDING_STAR_MIN_CERTAINTY, out trackedObject1, out trackedObject2);
if (!groupIdentified && m_IsFullDisappearance)
{
dbg += "ReBr::";
groupIdentified = trackedGroup.IdentifyBrightObject(fit1, fit2, STELLAR_OBJECT_MIN_CERTAINTY, out trackedObject1, out trackedObject2, out center1, out center2);
resortToBrightness = true;
}
if (!groupIdentified)
{
trackedGroup.SetIsTracked(false, NotMeasuredReasons.PSFFittingFailed);
dbg += "PsF::";
}
else
{
PSFFit[] fits = new PSFFit[] { fit1, fit2 };
IImagePixel[] centers = new IImagePixel[] { center1, center2 };
TrackedObjectLight[] trackedObjects = new TrackedObjectLight[] { trackedObject1, trackedObject2 };
bool objectCheckSuccessful = resortToBrightness
? trackedGroup.CheckIdentifiedObjects(center1.XDouble, center2.XDouble, center1.YDouble, center2.YDouble)
: trackedGroup.CheckIdentifiedObjects(fits[0].XCenter, fits[1].XCenter, fits[0].YCenter, fits[1].YCenter);
if (objectCheckSuccessful)
{
dbg += "ChS::";
bool atLeastOneOK = (fit1.IsSolved && fit1.Certainty > GUIDING_STAR_MIN_CERTAINTY) || (fit2.IsSolved && fit2.Certainty > GUIDING_STAR_MIN_CERTAINTY);
double dist = ImagePixel.ComputeDistance(fit1.XCenter, fit2.XCenter, fit1.YCenter, fit2.YCenter);
if (!atLeastOneOK || ((dist < 2 || dist > 16) && !resortToBrightness))
{
trackedGroup.SetIsTracked(false, NotMeasuredReasons.PSFFittingFailed);
}
int cntOk = 0;
for (int j = 0; j < 2; j++)
{
PSFFit fit = fits[j];
IImagePixel center = centers[j];
TrackedObjectLight trackedObject = trackedObjects[j];
if (fit.IsSolved && fit.Certainty > STELLAR_OBJECT_MIN_CERTAINTY)
{
if (resortToBrightness && trackedObject.IsOccultedStar)
{
trackedObject.SetIsTracked(true, NotMeasuredReasons.FullyDisappearingStarMarkedTrackedWithoutBeingFound, center, fit.Certainty);
dbg += "OccDi::";
}
else
{
trackedObject.SetTrackedObjectMatch(fit);
trackedObject.SetIsTracked(true, NotMeasuredReasons.TrackedSuccessfully);
dbg += "TrSuc::";
}
cntOk++;
}
else if (m_IsFullDisappearance && trackedObject.IsOccultedStar)
{
trackedObject.SetIsTracked(false, NotMeasuredReasons.FullyDisappearingStarMarkedTrackedWithoutBeingFound, resortToBrightness ? center : null, 1);
dbg += "BadCerSuc::";
}
else
{
trackedObject.SetIsTracked(false, NotMeasuredReasons.ObjectCertaintyTooSmall, resortToBrightness ? center : null, resortToBrightness ? fit.Certainty : (double?)null);
dbg += "BadCerNOSuc::";
}
}
if (cntOk == 2)
{
m_FailedGroupFits = 0;
}
}
else
{
trackedObjects[0].SetIsTracked(false, NotMeasuredReasons.FailedToLocateAfterDistanceCheck);
trackedObjects[1].SetIsTracked(false, NotMeasuredReasons.FailedToLocateAfterDistanceCheck);
m_FailedGroupFits++;
dbg += "ChU::";
}
}
}
else
{
m_FailedGroupFits++;
dbg += "NoFi::";
}
trackedGroup.ValidatePosition();
Trace.WriteLine(dbg);
}
}
}
IsTrackedSuccessfully = atLeastOneGroupLocated;
if (IsTrackedSuccessfully)
{
RefinedAverageFWHM = m_TrackedObjects.Cast <TrackedObjectLight>().Average(x => x.RefinedFWHM);
}
if (m_FailedGroupFits > 10)
{
Trace.WriteLine("ERR~10+");
}
}
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;
}
