internal static PSFFit GetPSFFitForPeakPixel(
uint[,] data,
PotentialStarStruct starToTest,
float aboveNoiseLevelRequired,
double minFWHM,
double maxFWHM)
{
int STAR_MATRIX_FIT = TangraConfig.Settings.Special.StarFinderFitArea;
double MIN_DISTANCE_OF_PEAK_PIXEL_FROM_CENTER = TangraConfig.Settings.Special.StarFinderMinDistanceOfPeakPixelFromCenter;
PSFFit fit = new PSFFit(starToTest.X, starToTest.Y);
int fitMatrix = (int)Math.Min(data.GetLength(0), STAR_MATRIX_FIT + 2);
// Get a matrix with 1 pixel larger each way and set the border pixels to zero
fit.Fit(data, fitMatrix, starToTest.X, starToTest.Y, true);
if (fit.IsSolved)
{
double distanceFromCenter = ImagePixel.ComputeDistance(fit.X0_Matrix, fitMatrix / 2, fit.Y0_Matrix, fitMatrix / 2);
if (fit.Certainty > 0 &&
fit.FWHM >= minFWHM &&
fit.FWHM <= maxFWHM &&
distanceFromCenter < MIN_DISTANCE_OF_PEAK_PIXEL_FROM_CENTER &&
fit.IMax > aboveNoiseLevelRequired)
{
//not good for lost tracking allow higher FWHM
// This object passes all tests to be furhter considered as a star
return(fit);
}
}
return(null);
}
public static PSFFit GetPSFFitForPeakPixel(
uint[,] data,
PotentialStarStruct starToTest,
float aboveNoiseLevelRequired,
double minFWHM,
double maxFWHM)
{
int STAR_MATRIX_FIT = TangraConfig.Settings.Special.StarFinderFitArea;
double MIN_DISTANCE_OF_PEAK_PIXEL_FROM_CENTER = TangraConfig.Settings.Special.StarFinderMinDistanceOfPeakPixelFromCenter;
PSFFit fit = new PSFFit(starToTest.X, starToTest.Y);
int fitMatrix = (int)Math.Min(data.GetLength(0), STAR_MATRIX_FIT + 2);
// Get a matrix with 1 pixel larger each way and set the border pixels to zero
fit.Fit(data, fitMatrix, starToTest.X, starToTest.Y, true);
if (fit.IsSolved)
{
double distanceFromCenter = ImagePixel.ComputeDistance(fit.X0_Matrix, fitMatrix / 2, fit.Y0_Matrix, fitMatrix / 2);
if (fit.Certainty > 0 &&
fit.FWHM >= minFWHM &&
fit.FWHM <= maxFWHM &&
distanceFromCenter < MIN_DISTANCE_OF_PEAK_PIXEL_FROM_CENTER &&
fit.IMax > aboveNoiseLevelRequired)
{
//not good for lost tracking allow higher FWHM
// This object passes all tests to be furhter considered as a star
return fit;
}
}
return null;
}
