Esempio n. 1
0
        private bool GetFitInMatrix(ITrackedObjectPsfFit gaussian, ref int matirxSize, float preselectedAperture)
        {
            rbGuidingStar.Text = "Guiding/Comparison Star";
            m_IsBrightEnoughForAutoGuidingStar = false;

            if (m_Aperture == null)
            {
                if (gaussian != null && !double.IsNaN(gaussian.FWHM) && TangraConfig.Settings.Photometry.SignalApertureUnitDefault == TangraConfig.SignalApertureUnit.FWHM)
                {
                    m_Aperture = (float)(gaussian.FWHM * TangraConfig.Settings.Photometry.DefaultSignalAperture);
                }
                else
                {
                    m_Aperture = (float)(TangraConfig.Settings.Photometry.DefaultSignalAperture);
                }
            }
            else if (
                gaussian != null && !double.IsNaN(gaussian.FWHM) && TangraConfig.Settings.Photometry.SignalApertureUnitDefault == TangraConfig.SignalApertureUnit.FWHM &&
                m_Aperture < (float)(gaussian.FWHM * TangraConfig.Settings.Photometry.DefaultSignalAperture))
            {
                m_Aperture = (float)(gaussian.FWHM * TangraConfig.Settings.Photometry.DefaultSignalAperture);
            }

            nudFitMatrixSize.ValueChanged -= nudFitMatrixSize_ValueChanged;
            try
            {
                uint[,] autoStarsPixels = m_AstroImage.GetMeasurableAreaPixels(m_Center.X, m_Center.Y, 35);
                m_AutoStarsInLargerArea = StarFinder.GetStarsInArea(
                    ref autoStarsPixels,
                    m_AstroImage.Pixelmap.BitPixCamera,
                    m_AstroImage.Pixelmap.MaxSignalValue,
                    m_AstroImage.MedianNoise,
                    LightCurveReductionContext.Instance.DigitalFilter);

                m_ProcessingPixels = ImageFilters.CutArrayEdges(autoStarsPixels, 9);
                m_DisplayPixels    = m_AstroImage.GetMeasurableAreaDisplayBitmapPixels(m_Center.X, m_Center.Y, 17);

                m_AutoStarsInArea = new List <PSFFit>();
                foreach (PSFFit autoStar in m_AutoStarsInLargerArea)
                {
                    if (autoStar.XCenter > 9 && autoStar.XCenter < 9 + 17 &&
                        autoStar.YCenter > 9 && autoStar.YCenter < 9 + 17)
                    {
                        // Don't change original star so use a clone
                        PSFFit clone = autoStar.Clone();
                        clone.SetNewFieldCenterFrom35PixMatrix(8, 8);
                        m_AutoStarsInArea.Add(clone);
                    }
                }

                int oldMatirxSize = matirxSize;

                if (m_AutoStarsInArea.Count == 0)
                {
                    rbGuidingStar.Text = "Guiding/Comparison Star";

                    // There are no stars that are bright enough. Simply let the user do what they want, but still try to default to a sensible aperture size
                    MeasurementsHelper measurement = ReduceLightCurveOperation.DoConfiguredMeasurement(m_ProcessingPixels, m_Aperture.Value, m_AstroImage.Pixelmap.BitPixCamera, m_AstroImage.Pixelmap.MaxSignalValue, 3.0, ref matirxSize);

                    if (measurement.FoundBestPSFFit != null &&
                        measurement.FoundBestPSFFit.IsSolved &&
                        measurement.FoundBestPSFFit.Certainty > 0.1)
                    {
                        m_X0   = measurement.XCenter;
                        m_Y0   = measurement.YCenter;
                        m_FWHM = (float)measurement.FoundBestPSFFit.FWHM;
                    }
                    else
                    {
                        m_X0   = 8;
                        m_Y0   = 8;
                        m_FWHM = 6;
                    }

                    m_Gaussian = null;
                    nudFitMatrixSize.SetNUDValue(11);
                }
                else if (m_AutoStarsInArea.Count == 1)
                {
                    // There is exactly one good star found. Go and do a fit in a wider area
                    double bestFindTolerance = 3.0;

                    for (int i = 0; i < 2; i++)
                    {
                        MeasurementsHelper measurement = ReduceLightCurveOperation.DoConfiguredMeasurement(m_ProcessingPixels, m_Aperture.Value, m_AstroImage.Pixelmap.BitPixCamera, m_AstroImage.Pixelmap.MaxSignalValue, bestFindTolerance, ref matirxSize);
                        if (measurement != null && matirxSize != -1)
                        {
                            if (matirxSize < 5)
                            {
                                // Do a centroid in the full area, and get another matix centered at the centroid
                                ImagePixel centroid = new ImagePixel(m_Center.X, m_Center.Y);

                                m_ProcessingPixels = m_AstroImage.GetMeasurableAreaPixels(centroid);
                                m_DisplayPixels    = m_AstroImage.GetMeasurableAreaDisplayBitmapPixels(centroid);

                                m_X0       = centroid.X;
                                m_Y0       = centroid.Y;
                                m_FWHM     = 6;
                                m_Gaussian = null;

                                nudFitMatrixSize.SetNUDValue(11);
                            }
                            else
                            {
                                m_X0 = measurement.XCenter;
                                m_Y0 = measurement.YCenter;
                                if (measurement.FoundBestPSFFit != null)
                                {
                                    m_FWHM     = (float)measurement.FoundBestPSFFit.FWHM;
                                    m_Gaussian = measurement.FoundBestPSFFit;
                                }
                                else
                                {
                                    m_FWHM     = 6;
                                    m_Gaussian = null;
                                }
                                m_ProcessingPixels = measurement.PixelData;
                                nudFitMatrixSize.SetNUDValue(matirxSize);
                            }
                        }
                        else
                        {
                            matirxSize = oldMatirxSize;
                            return(false);
                        }

                        if (m_Gaussian != null)
                        {
                            if (IsBrightEnoughtForGuidingStar())
                            {
                                rbGuidingStar.Text = "Guiding/Comparison Star";
                                m_IsBrightEnoughForAutoGuidingStar = true;
                            }

                            break;
                        }
                    }
                }
                else if (m_AutoStarsInArea.Count > 1)
                {
                    rbGuidingStar.Text = "Guiding/Comparison Star";

                    // There are more stars found.
                    double xBest = m_Gaussian != null
                                      ? m_Gaussian.XCenter
                                      : m_IsEdit ? ObjectToAdd.ApertureMatrixX0
                                                 : 8.5;

                    double yBest = m_Gaussian != null
                                      ? m_Gaussian.YCenter
                                      : m_IsEdit ? ObjectToAdd.ApertureMatrixY0
                                                 : 8.5;

                    // by default use the one closest to the original location
                    PSFFit closestFit  = m_AutoStarsInArea[0];
                    double closestDist = double.MaxValue;
                    foreach (PSFFit star in m_AutoStarsInArea)
                    {
                        double dist =
                            Math.Sqrt((star.XCenter - xBest) * (star.XCenter - xBest) +
                                      (star.YCenter - yBest) * (star.YCenter - yBest));
                        if (closestDist > dist)
                        {
                            closestDist = dist;
                            closestFit  = star;
                        }
                    }


                    m_X0       = (float)closestFit.XCenter;
                    m_Y0       = (float)closestFit.YCenter;
                    m_FWHM     = (float)closestFit.FWHM;
                    m_Gaussian = closestFit;

                    nudFitMatrixSize.SetNUDValue(m_IsEdit ? ObjectToAdd.PsfFitMatrixSize : closestFit.MatrixSize);
                }

                //if (m_Gaussian == null && gaussian.Certainty > 0.1 && ImagePixel.ComputeDistance(gaussian.X0_Matrix, 8, gaussian.Y0_Matrix, 8) < 3)
                //{
                //	// Id we failed to locate a bright enough autostar, but the default Gaussian is still certain enough and close enought to the center, we present it as a starting point
                //	m_X0 = (float)gaussian.X0_Matrix;
                //	m_Y0 = (float)gaussian.Y0_Matrix;
                //	m_FWHM = (float)gaussian.FWHM;
                //	m_Gaussian = gaussian;
                //}

                decimal appVal;
                if (float.IsNaN(preselectedAperture))
                {
                    if (float.IsNaN(m_Aperture.Value))
                    {
                        appVal = Convert.ToDecimal(TangraConfig.Settings.Photometry.DefaultSignalAperture);
                    }
                    else
                    {
                        appVal = Convert.ToDecimal(m_Aperture.Value);
                        if (nudAperture1.Maximum < appVal)
                        {
                            nudAperture1.Maximum = appVal + 1;
                        }
                    }
                }
                else
                {
                    appVal = (decimal)preselectedAperture;
                }

                if ((float)appVal > m_Aperture)
                {
                    m_Aperture = (float)appVal;
                }

                nudAperture1.SetNUDValue(Math.Round(appVal, 2));

                PlotSingleTargetPixels();

                PlotGaussian();

                return(true);
            }
            finally
            {
                nudFitMatrixSize.ValueChanged += nudFitMatrixSize_ValueChanged;
            }
        }
Esempio n. 2
0
        internal frmAddOrEditSingleTarget(int objectId, TrackedObjectConfig selectedObject, LCStateMachine state, VideoController videoController)
        {
            InitializeComponent();

            m_VideoController = videoController;

            m_AutocenteredApertureAvailable = true;

            Text = "Edit Object";

            btnAdd.Text       = "Save";
            btnDontAdd.Text   = "Cancel";
            btnDelete.Visible = true;
            m_IsEdit          = true;

            m_ObjectId   = objectId;
            m_State      = state;
            m_AstroImage = m_State.VideoOperation.m_StackedAstroImage;

            ObjectToAdd = selectedObject;

            if (selectedObject.TrackingType != TrackingType.ComparisonStar)
            {
                nudFitMatrixSize.SetNUDValue(selectedObject.PsfFitMatrixSize);
            }

            m_Center = new ImagePixel(
                selectedObject.OriginalFieldCenterX,
                selectedObject.OriginalFieldCenterY);

            if (ObjectToAdd.PositionTolerance > 0)
            {
                nudPositionTolerance.SetNUDValue((decimal)ObjectToAdd.PositionTolerance);
            }

            Initialize();

            if (!selectedObject.IsWeakSignalObject && !selectedObject.IsFixedAperture)
            {
                int matrixSize = selectedObject.PsfFitMatrixSize;
                GetFitInMatrix(selectedObject.Gaussian, ref matrixSize, selectedObject.ApertureInPixels);
                selectedObject.PsfFitMatrixSize = matrixSize;
            }
            else
            {
                m_ProcessingPixels = m_AstroImage.GetMeasurableAreaPixels(m_Center);
                m_DisplayPixels    = m_AstroImage.GetMeasurableAreaDisplayBitmapPixels(m_Center);

                m_FWHM     = 6;
                m_Gaussian = null;
                m_X0       = selectedObject.ApertureMatrixX0;
                m_Y0       = selectedObject.ApertureMatrixY0;
                dx         = selectedObject.ApertureDX;
                dy         = selectedObject.ApertureDY;

                PlotSingleTargetPixels();

                nudAperture1.SetNUDValue((decimal)Math.Round(ObjectToAdd.ApertureInPixels, 2));
            }

            SetHeightAndType();

            if (selectedObject.TrackingType == TrackingType.GuidingStar)
            {
                SelectedObjectType = TrackingType.GuidingStar;
            }
            else if (selectedObject.TrackingType == TrackingType.OccultedStar)
            {
                SelectedObjectType = TrackingType.OccultedStar;
            }
        }
Esempio n. 3
0
        private void Initialise()
        {
            picTarget1Pixels.Image = new Bitmap(AREA_SIDE * MAGN_FACTOR, AREA_SIDE * MAGN_FACTOR, PixelFormat.Format24bppRgb);
            picTarget1PSF.Image    = new Bitmap(picTarget1PSF.Width, picTarget1PSF.Height);

            m_AllTargetColors = new Color[]
            {
                TangraConfig.Settings.Color.Target1,
                TangraConfig.Settings.Color.Target2,
                TangraConfig.Settings.Color.Target3,
                TangraConfig.Settings.Color.Target4
            };

            m_Color = m_AllTargetColors[m_ObjectId];
            if (m_ObjectId < 3 && !m_IsEdit)
            {
                m_Color2 = m_AllTargetColors[m_ObjectId + 1];
            }

            bool doubleModeDisabled = false;

            if (m_IsEdit && m_ObjectId2 <= 3)
            {
                m_Color2 = m_AllTargetColors[m_ObjectId2];
            }
            else if (m_ObjectId == 3 || m_ObjectId2 == 4)
            {
                doubleModeDisabled   = true;
                rbTwoObjects.Enabled = false;
            }

            m_Pen    = new Pen(m_Color);
            m_Brush  = new SolidBrush(m_Color);
            m_Pen2   = new Pen(m_Color2);
            m_Brush2 = new SolidBrush(m_Color2);

            m_ProcessingPixels = m_AstroImage.GetMeasurableAreaPixels(m_Center.X, m_Center.Y, 35);
            m_DisplayPixels    = m_AstroImage.GetMeasurableAreaDisplayBitmapPixels(m_Center.X, m_Center.Y, 35);

            ImagePixel newCenter = null;
            bool       autoDoubleObjectLocated = m_TryAutoDoubleFind && TryAutoLocateDoubleObject(out newCenter);

            if (autoDoubleObjectLocated)
            {
                int deltaX = (int)Math.Round(newCenter.XDouble - 18);
                int deltaY = (int)Math.Round(newCenter.YDouble - 18);
                m_X1Start         -= deltaX;
                m_Y1Start         -= deltaY;
                m_X2Start         -= deltaX;
                m_Y2Start         -= deltaY;
                m_Center           = new ImagePixel(newCenter.Brightness, m_Center.XDouble + newCenter.XDouble - 18, m_Center.YDouble + newCenter.YDouble - 18);
                m_ProcessingPixels = m_AstroImage.GetMeasurableAreaPixels(m_Center.X, m_Center.Y, 35);
                m_DisplayPixels    = m_AstroImage.GetMeasurableAreaDisplayBitmapPixels(m_Center.X, m_Center.Y, 35);

                m_AutoDoubleCenter  = new ImagePixel(m_Center);
                m_AutoDoubleX1Start = m_X1Start;
                m_AutoDoubleY1Start = m_Y1Start;
                m_AutoDoubleX2Start = m_X2Start;
                m_AutoDoubleY2Start = m_Y2Start;
            }

            bool occultedStartAlreadyPicked = m_State.MeasuringStars.Any(x => x.IsOcultedStar());

            if (m_IsEdit)
            {
                rbOcculted.Enabled  = m_EditingOccultedStar || !occultedStartAlreadyPicked;
                rbReference.Checked = !m_EditingOccultedStar;
                rbOcculted.Checked  = m_EditingOccultedStar;
            }
            else
            {
                if (occultedStartAlreadyPicked)
                {
                    rbOcculted.Enabled  = false;
                    rbReference.Checked = true;
                }
                else
                {
                    rbOcculted.Enabled = true;
                    rbOcculted.Checked = true;
                }
            }

            if (doubleModeDisabled || !autoDoubleObjectLocated)
            {
                rbOneObject.Checked = true;
            }

            UpdateStateControls();

            DrawCollorPanel();
            DrawCollorPanel2();

            CalculatePSF();
        }