public IStep OnNext()
{
if (State.Mount.Slewing)
{
State.ShowMessage("Wait until all mount movement is complete before pressing next.");
return(null);
}
if (!State.Mount.Tracking)
{
State.ShowMessage("The mount must be tracking to perform the cone error adjustment.");
return(null);
}
if (State.Mount.TrackingRate != DriveRates.driveSidereal)
{
State.ShowMessage("The mount must be tracking at sidereal rate to perform the cone error adjustment.");
return(null);
}
if (!IsOKPosition())
{
return(null);
}
State.AddPosition(GetPositionId(), State.Mount.RightAscension, State.Mount.Declination);
return(CreateNextStep());
}
protected override bool IsOKPosition()
{
var lat = State.Mount.SiteLatitude;
var decl = State.Mount.Declination;
var az = State.Mount.Azimuth;
if (Math.Abs(decl) > 20)
{
State.ShowMessage("You need to GoTo a star with a declination between -20 and +20.");
return(false);
}
if (lat > 0 && (az < 150 || az > 180))
{
State.ShowMessage("You need to GoTo a star within 30 degrees of the meridian (on the east side).");
return(false);
}
if (lat < 0 && (az > 30))
{
State.ShowMessage("You need to GoTo a star within 30 degrees of the meridian (on the east side).");
return(false);
}
if (State.Mount.SideOfPier == State.SideOfPierOnGotoWest)
{
State.ShowMessage("At this step, the mount should have move to the *other* side of the pier.\r\n\r\nSome ASCOM drivers cannot accurately report the correct side of pier, so this could be a false alarm.\r\n\r\nIf you are sure the mount has swapped sides then it is OK to continue.");
}
State.SideOfPierOnGotoEast = State.Mount.SideOfPier;
return(true);
}
protected override bool IsOKPosition()
{
if (State.Mount.SideOfPier != State.SideOfPierOnGotoEast)
{
State.ShowMessage("At this step, the mount must still be on the same side of the pier as in the previous GOTO step.");
return(false);
}
return(true);
}
public IStep OnNext()
{
ITelescope scope = null;
if (string.IsNullOrEmpty(Settings1.Default.LastMountId))
{
_state.ShowMessage("No telescope mount driver selected.");
return(null);
}
try
{
scope = CreateScope(Settings1.Default.LastMountId);
}
catch (Exception e)
{
_state.ShowMessage("Cannot create ASCOM mount driver " + Settings1.Default.LastMount + "\r\nBecause : " + e.Message);
return(null);
}
if (scope.AlignmentMode != AlignmentModes.algGermanPolar)
{
_state.ShowMessage(_state.AppName + " will only work with a German Equatorial style mount (as it needs the meridian flip to happen when swapping sides of the meridian).");
return(null);
}
try
{
scope.Connected = true;
_state.Mount = scope;
}
catch (Exception ex)
{
_state.ShowMessage("Could not connect to scope driver : " + ex.Message);
return(null);
}
return(new ScopePropertiesStep());
}
protected override bool IsOKPosition()
{
var lat = State.Mount.SiteLatitude;
var decl = State.Mount.Declination;
var az = State.Mount.Azimuth;
if (Math.Abs(decl) > 20)
{
State.ShowMessage("You need to GoTo a star with a declination between -20 and +20.");
return(false);
}
if (lat > 0 && (az < 180 || az > 210))
{
State.ShowMessage("You need to GoTo a star within 30 degrees of the meridian (on the west side).");
return(false);
}
if (lat == 0)
{
State.ShowMessage("Your mount reports a site latitude of zero - this isn't going to work without a correct latitude because the calculation is different in the southern hemisphere.");
return(false);
}
if (lat < 0 && (az < 330))
{
State.ShowMessage("You need to GoTo a star within 30 degrees of the meridian (on the west side).");
return(false);
}
State.SideOfPierOnGotoWest = State.Mount.SideOfPier;
return(true);
}
