private void CheckBgThread(object state)
{
try
{
if (m_ObjectDesignation != null)
{
if (!string.IsNullOrEmpty(m_ObsCode))
{
Position = MPEph2.GetCoordinatesForSingleDate(m_ObsCode, m_ObjectDesignation, m_UtcTime);
}
else if (!double.IsNaN(m_Lambda) && !double.IsNaN(m_Phi))
{
Position = MPEph2.GetCoordinatesForSingleDate(m_Lambda, m_Phi, m_ObjectDesignation, m_UtcTime);
}
}
else
{
IdentifiedObjects = MPCheck.CheckRegion(m_UtcTime, m_Fit.RA0Deg, m_Fit.DE0Deg, m_FovArcMin, m_MagLimit, string.IsNullOrEmpty(m_ObsCode) ? "500" : m_ObsCode);
// MPCheck is a low positional precision service. Check each object position with the more accurate MPEph2 service
foreach (var entry in IdentifiedObjects)
{
MPEph2.MPEphEntry position = null;
if (!string.IsNullOrEmpty(m_ObsCode))
{
position = MPEph2.GetCoordinatesForSingleDate(m_ObsCode, entry.ObjectName, m_UtcTime);
}
else if (!double.IsNaN(m_Lambda) && !double.IsNaN(m_Phi))
{
position = MPEph2.GetCoordinatesForSingleDate(m_Lambda, m_Phi, entry.ObjectName, m_UtcTime);
}
if (position != null)
{
entry.RAHours = position.RAHours;
entry.DEDeg = position.DEDeg;
entry.Mag = position.Mag;
}
}
}
Invoke(new MethodInvoker(Done));
}
catch (Exception ex)
{
Trace.WriteLine(ex.ToString());
Invoke(new WaitCallback(Error), ex.Message);
}
}
private bool CheckInputAndLoadStars()
{
if (!TangraContext.Current.HasImageLoaded)
{
MessageBox.Show(this, "There is no loaded frame/image", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Close();
}
m_RAHours = double.NaN;
m_DEDeg = double.NaN;
Context.ObsCode = tbxObsCode.Text;
if (rbKnownCenter.Checked)
{
try
{
m_RAHours = AstroConvert.ToRightAcsension(cbxRA.Text);
}
catch
{
MessageBox.Show(this, "Enter a valid RA value", "Validation Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
cbxRA.Focus();
cbxRA.Select();
return(false);
}
try
{
m_DEDeg = AstroConvert.ToDeclination(cbxDE.Text);
}
catch
{
MessageBox.Show(this, "Enter a valid DE value", "Validation Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
cbxDE.Focus();
cbxDE.Select();
return(false);
}
cbxRA.Persist();
cbxDE.Persist();
}
else if (rbKnownObject.Checked)
{
// Connect to MPC to find the object coordinates
MPEph2.MPEphEntry position = null;
Cursor = Cursors.WaitCursor;
Enabled = false;
try
{
if (!TangraConfig.Settings.HasSiteCoordinatesOrCOD && string.IsNullOrEmpty(tbxObsCode.Text))
{
m_VideoController.ShowTangraSettingsDialog(false, true);
if (!TangraConfig.Settings.HasSiteCoordinatesOrCOD)
{
return(false);
}
}
Refresh();
frmIdentifyObjects frm;
if (TangraConfig.Settings.Astrometry.UseMPCCode || !string.IsNullOrEmpty(tbxObsCode.Text))
{
Context.ObsCode = tbxObsCode.Text;
frm = new frmIdentifyObjects(cbxObject.Text, Context.UtcTime, Context.ObsCode);
}
else
{
frm = new frmIdentifyObjects(
cbxObject.Text, Context.UtcTime,
TangraConfig.Settings.Generic.Longitude,
TangraConfig.Settings.Generic.Latitude);
}
if (m_VideoController.ShowDialog(frm) == DialogResult.OK)
{
position = frm.Position;
}
}
finally
{
Enabled = true;
Cursor = Cursors.Default;
}
if (position == null)
{
MessageBox.Show(
this,
string.Format(string.Format("Could not retrieve the position of '{0}' from MPC. Is your internet connection active? Is the designation correct?", cbxObject.Text)),
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
cbxObject.Focus();
cbxObject.Select();
return(false);
}
else
{
m_RAHours = position.RAHours;
m_DEDeg = position.DEDeg;
cbxObject.Persist();
Context.FoundObject = position;
}
}
Context.RADeg = m_RAHours * 15;
Context.DEDeg = m_DEDeg;
Context.ErrFoVs = (double)nudError.Value;
Context.Method = RecognitionMethod.KnownCenter;
Context.LimitMagn = (double)nudFaintestMag.Value;
float epoch = Context.UtcTime.Year + Context.UtcTime.DayOfYear / 365.25f;
if (TangraConfig.Settings.TraceLevels.PlateSolving.TraceInfo())
{
Trace.WriteLine(string.Format("Loading stars in region ({0}, {1})",
AstroConvert.ToStringValue(Context.RADeg / 15, "REC"),
AstroConvert.ToStringValue(Context.DEDeg, "DEC")));
}
var facade = new StarCatalogueFacade(TangraConfig.Settings.StarCatalogue);
m_CatalogueStars = facade.GetStarsInRegion(
Context.RADeg,
Context.DEDeg,
(Context.ErrFoVs + 1.0) * m_Image.GetMaxFOVInArcSec() / 3600.0,
Context.LimitMagn,
epoch);
Context.CatalogueStars = m_CatalogueStars;
Context.StarCatalogueFacade = facade;
Context.DetermineAutoLimitMagnitude = rbAutomaticLimitMagnitude.Checked;
Context.AutoLimitMagnitude = double.NaN;
return(true);
}
