public void Test1()
{
var matrix = new CCDMatrix(8.6, 8.3, 752, 582);
var astroPlate = new AstroPlate(matrix, 720, 576, 8);
var userStars = new Dictionary <ImagePixel, IStar>();
var star1 = new TestStar(2890001240, 18.528885242458674, -32.262447583319769, 11.033);
var pixel1 = new ImagePixel(72.0519465443632, 240.48754416283302);
userStars.Add(pixel1, star1);
var star2 = new TestStar(2890001234, 18.353495385568369, -32.296976944037546, 12.294);
var pixel2 = new ImagePixel(421.79863331879409, 329.57539665223919);
userStars.Add(pixel2, star2);
var star3 = new TestStar(2890001229, 18.284537781225755, -32.213242615932892, 10.882);
var pixel3 = new ImagePixel(559.51676838260289, 114.86160161500557);
userStars.Add(pixel3, star3);
var plateSolve = DirectTransRotAstrometry.SolveByThreeStars(astroPlate, userStars, 2);
Assert.IsNotNull(plateSolve);
Assert.AreEqual(1.2836, plateSolve.Aspect, 0.0001);
Assert.AreEqual(-32.2808, plateSolve.DE0Deg, 0.0001);
Assert.AreEqual(18.3845, plateSolve.RA0Deg, 0.0001);
Assert.AreEqual(179.9401, plateSolve.EtaDeg, 0.0001);
Assert.AreEqual(0.00, plateSolve.Residual, 0.01);
var newAstro = new ThreeStarAstrometry(astroPlate, userStars, 2);
Assert.IsTrue(newAstro.Success);
Assert.AreEqual(-32.2808, newAstro.DE0Deg, 0.0001);
Assert.AreEqual(18.3845, newAstro.RA0Deg, 0.0001);
double ra, de;
newAstro.GetRADEFromImageCoords(72.0519465443632, 240.48754416283302, out ra, out de);
Assert.AreEqual(18.5288852, ra, 0.0000001);
Assert.AreEqual(-32.2624475, de, 0.0000001);
double x, y;
newAstro.GetImageCoordsFromRADE(18.528885242458674, -32.262447583319769, out x, out y);
Assert.AreEqual(72.0519, x, 0.0001);
Assert.AreEqual(240.4875, y, 0.0001);
}
public void Test1()
{
var matrix = new CCDMatrix(8.6, 8.3, 752, 582);
var astroPlate = new AstroPlate(matrix, 720, 576, 8);
var userStars = new Dictionary<ImagePixel, IStar>();
var star1 = new TestStar(2890001240, 18.528885242458674, -32.262447583319769, 11.033);
var pixel1 = new ImagePixel(72.0519465443632, 240.48754416283302);
userStars.Add(pixel1, star1);
var star2 = new TestStar(2890001234, 18.353495385568369, -32.296976944037546, 12.294);
var pixel2 = new ImagePixel(421.79863331879409, 329.57539665223919);
userStars.Add(pixel2, star2);
var star3 = new TestStar(2890001229, 18.284537781225755, -32.213242615932892, 10.882);
var pixel3 = new ImagePixel(559.51676838260289, 114.86160161500557);
userStars.Add(pixel3, star3);
var plateSolve = DirectTransRotAstrometry.SolveByThreeStars(astroPlate, userStars, 2);
Assert.IsNotNull(plateSolve);
Assert.AreEqual(1.2836, plateSolve.Aspect, 0.0001);
Assert.AreEqual(-32.2808, plateSolve.DE0Deg, 0.0001);
Assert.AreEqual(18.3845, plateSolve.RA0Deg, 0.0001);
Assert.AreEqual(179.9401, plateSolve.EtaDeg, 0.0001);
Assert.AreEqual(0.00, plateSolve.Residual, 0.01);
var newAstro = new ThreeStarAstrometry(astroPlate, userStars, 2);
Assert.IsTrue(newAstro.Success);
Assert.AreEqual(-32.2808, newAstro.DE0Deg, 0.0001);
Assert.AreEqual(18.3845, newAstro.RA0Deg, 0.0001);
double ra, de;
newAstro.GetRADEFromImageCoords(72.0519465443632, 240.48754416283302, out ra, out de);
Assert.AreEqual(18.5288852, ra, 0.0000001);
Assert.AreEqual(-32.2624475, de, 0.0000001);
double x, y;
newAstro.GetImageCoordsFromRADE(18.528885242458674, -32.262447583319769, out x, out y);
Assert.AreEqual(72.0519, x, 0.0001);
Assert.AreEqual(240.4875, y, 0.0001);
}
public void Test2_NearSouthPole()
{
var matrix = new CCDMatrix(8.6, 8.3, 752, 582);
var astroPlate = new AstroPlate(matrix, 720, 576, 16);
var userStars = new Dictionary <ImagePixel, IStar>();
var star1 = new TestStar(670000669, 14.040622402203727, -76.691539882008868, 13.389);
var pixel1 = new ImagePixel(111.28789147012657, 170.18336583345945);
userStars.Add(pixel1, star1);
var star2 = new TestStar(680000642, 13.3447869927272, -76.594950217617452, 9.932);
var pixel2 = new ImagePixel(575.00594900921817, 446.45890095859744);
userStars.Add(pixel2, star2);
var star3 = new TestStar(670000641, 13.550035599758042, -76.722167259223085, 13.842);
var pixel3 = new ImagePixel(425.86138030460097, 63.057739094752051);
userStars.Add(pixel3, star3);
var newAstro = new ThreeStarAstrometry(astroPlate, userStars, 2);
Assert.IsTrue(newAstro.Success);
Assert.AreEqual(-76.6498, newAstro.DE0Deg, 0.0001);
Assert.AreEqual(13.6644, newAstro.RA0Deg, 0.0001);
double ra, de;
newAstro.GetRADEFromImageCoords(111.28789147012657, 170.18336583345945, out ra, out de);
Assert.AreEqual(14.0406224, ra, 0.0000001);
Assert.AreEqual(-76.6915398, de, 0.0000001);
double x, y;
newAstro.GetImageCoordsFromRADE(14.040622402203727, -76.691539882008868, out x, out y);
Assert.AreEqual(111.2879, x, 0.0001);
Assert.AreEqual(170.1833, y, 0.0001);
}
public override void MouseDown(Point location)
{
if (m_SelectedCalibrationStar != null)
{
frmIdentifyCalibrationStar frmIdentifyCalibrationStar = new frmIdentifyCalibrationStar(m_CatalogueStars, m_UserStarIdentification);
DialogResult res = m_VideoController.ShowDialog(frmIdentifyCalibrationStar);
if (res == DialogResult.Abort)
{
m_UserStarIdentification.Clear();
}
else if (res == DialogResult.OK &&
frmIdentifyCalibrationStar.SelectedStar != null)
{
m_UserStarIdentification.Add(m_SelectedCalibrationStar, frmIdentifyCalibrationStar.SelectedStar);
if (m_UserStarIdentification.Keys.Count > 0 &&
m_UserStarIdentification.Keys.Count < 3)
{
m_VideoController.ShowMessageBox(
string.Format("Identify another {0} star(s) to attempt calibration", 3 - m_UserStarIdentification.Keys.Count),
"Tangra", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if (m_UserStarIdentification.Keys.Count > 2)
{
List <PSFFit> keysList = m_UserStarIdentification.Keys.ToList();
IStar star1 = m_UserStarIdentification[keysList[0]];
IStar star2 = m_UserStarIdentification[keysList[1]];
IStar star3 = m_UserStarIdentification[keysList[2]];
double ArcSec1 = 1 / 3600.0;
bool badRA = false;
bool badDE = false;
if (Math.Abs(star1.RADeg - star2.RADeg) < ArcSec1 || Math.Abs(star1.RADeg - star3.RADeg) < ArcSec1 || Math.Abs(star2.RADeg - star3.RADeg) < ArcSec1)
{
badRA = true;
}
if (Math.Abs(star1.DEDeg - star2.DEDeg) < ArcSec1 || Math.Abs(star1.DEDeg - star3.DEDeg) < ArcSec1 || Math.Abs(star2.DEDeg - star3.DEDeg) < ArcSec1)
{
badDE = true;
}
if (badRA)
{
m_VideoController.ShowMessageBox(
"Two of the stars have almost identical Right Ascension. Please try again with different stars.",
"Tangra", MessageBoxButtons.OK, MessageBoxIcon.Error);
m_UserStarIdentification.Clear();
}
else if (badDE)
{
m_VideoController.ShowMessageBox(
"Two of the stars have almost identical Declination. Please try again with different stars.",
"Tangra", MessageBoxButtons.OK, MessageBoxIcon.Error);
m_UserStarIdentification.Clear();
}
else
{
ThreeStarAstrometry threeStarSolution = ThreeStarAstrometry.SolveByThreeStars(m_Image, m_UserStarIdentification, m_Tolerance);
if (threeStarSolution != null)
{
m_SolvedPlate = threeStarSolution;
m_PlatesolveController.UpdateFocalLength((int)Math.Round(threeStarSolution.Image.EffectiveFocalLength));
m_RADegCenter = threeStarSolution.RA0Deg;
m_DEDegCenter = threeStarSolution.DE0Deg;
m_Image.EffectiveFocalLength = threeStarSolution.Image.EffectiveFocalLength;
m_UserStarIdentification.Clear();
m_AstrometryController.RunCalibrationWithCurrentPreliminaryFit();
}
else
{
m_VideoController.ShowMessageBox(
"Cannot complete calibration. Please try again with higher initial fit tolerance and/or with different stars. Be sure that the stars are well separated.",
"Tangra", MessageBoxButtons.OK, MessageBoxIcon.Error);
m_UserStarIdentification.Remove(m_UserStarIdentification.Keys.ToList()[2]);
}
}
}
}
DrawCatalogStarsFit();
}
else
{
m_StarPoint = new Point(location.X, location.Y);
m_Panning = true;
m_VideoController.SetPictureBoxCursor(CustomCursors.PanEnabledCursor);
}
}
public void Test2_NearSouthPole()
{
var matrix = new CCDMatrix(8.6, 8.3, 752, 582);
var astroPlate = new AstroPlate(matrix, 720, 576, 16);
var userStars = new Dictionary<ImagePixel, IStar>();
var star1 = new TestStar(670000669, 14.040622402203727, -76.691539882008868, 13.389);
var pixel1 = new ImagePixel(111.28789147012657, 170.18336583345945);
userStars.Add(pixel1, star1);
var star2 = new TestStar(680000642, 13.3447869927272, -76.594950217617452, 9.932);
var pixel2 = new ImagePixel(575.00594900921817, 446.45890095859744);
userStars.Add(pixel2, star2);
var star3 = new TestStar(670000641, 13.550035599758042, -76.722167259223085, 13.842);
var pixel3 = new ImagePixel(425.86138030460097, 63.057739094752051);
userStars.Add(pixel3, star3);
var newAstro = new ThreeStarAstrometry(astroPlate, userStars, 2);
Assert.IsTrue(newAstro.Success);
Assert.AreEqual(-76.6498, newAstro.DE0Deg, 0.0001);
Assert.AreEqual(13.6644, newAstro.RA0Deg, 0.0001);
double ra, de;
newAstro.GetRADEFromImageCoords(111.28789147012657, 170.18336583345945, out ra, out de);
Assert.AreEqual(14.0406224, ra, 0.0000001);
Assert.AreEqual(-76.6915398, de, 0.0000001);
double x, y;
newAstro.GetImageCoordsFromRADE(14.040622402203727, -76.691539882008868, out x, out y);
Assert.AreEqual(111.2879, x, 0.0001);
Assert.AreEqual(170.1833, y, 0.0001);
}
