/// Windows C# Sample Console Application: ClosedLoopSlew
///
/// ------------------------------------------------------------------------
///
/// Author: R.McAlister (2017)
///
/// ------------------------------------------------------------------------
///
/// ClosedLoopSlew: Find a target (M39 in this case), then execute a closed loop slew to it
///
///
public void CLSSample()
{
///Set connection to star chart and perform a find on M39
sky6StarChart tsx_sc = new sky6StarChart();
tsx_sc.Find("M39");
///Create connection to camera and connect
ccdsoftCamera tsx_cc = new ccdsoftCamera();
tsx_cc.Connect();
///Create closed loop slew object
ClosedLoopSlew tsx_cls = new ClosedLoopSlew();
///Set the exposure, filter to luminance and reduction, set the camera delay to 0 -- backlash
/// should be picked up in the mount driver
tsx_cc.ImageReduction = ccdsoftImageReduction.cdAutoDark;
tsx_cc.FilterIndexZeroBased = 3; ///Luminance
tsx_cc.ExposureTime = 10;
tsx_cc.Delay = 0;
///Execute
try {
int clsstat = tsx_cls.exec();
}
catch {
///Just close up: TSX will spawn error window
MessageBox.Show("Closed Loop Slew failure");
};
return;
}
static bool SlewToPosition(double starRA, double starDec)
{
//Moves the mount to center the calibration star in the guider FOV
//Async slew to target (letting dome catch up), then CLS to align (does not coordinate with dome)
//
sky6RASCOMTele tsxm = new sky6RASCOMTele
{
Asynchronous = 0
};
if (tsxm.IsConnected == 0)
{
tsxm.Connect();
}
tsxm.SlewToRaDec(starRA, starDec, "Target Position");
sky6StarChart tsxsc = new sky6StarChart();
string RADecname = starRA.ToString() + "," + starDec.ToString();
ClosedLoopSlew tsxcls = new ClosedLoopSlew();
tsxsc.Find(RADecname);
try
{ tsxcls.exec(); }
catch (Exception ex)
{ return(false); }
return(true);
}
public bool CLSToTarget(SpeedVector sv)
{
int clsStatus = 123;
sky6RASCOMTele tsxmt = new sky6RASCOMTele();
ClosedLoopSlew tsx_cl = new ClosedLoopSlew();
sky6StarChart tsxsc = new sky6StarChart();
//Clear any image reduction, otherwise full reduction might cause a problem
ccdsoftCamera tsxcam = new ccdsoftCamera()
{
ImageReduction = ccdsoftImageReduction.cdNone,
Asynchronous = 1 //make sure nothing else happens while setting this up
};
//Abort any ongoing imaging
tsxcam.Abort();
double tgtRAH = Transform.DegreesToHours(sv.RA_Degrees - RA_CorrectionD);
double tgtDecD = sv.Dec_Degrees - Dec_CorrectionD;
tsxsc.Find(tgtRAH.ToString() + ", " + tgtDecD.ToString());
tsxmt.Connect();
try
{
tsxmt.SlewToRaDec(tgtRAH, tgtDecD, TgtName);
}
catch (Exception ex)
{
MessageBox.Show("Slew to target failed: " + ex.Message);
return(false);
}
//********** CLS AVOIDANCE CODE FOR SIMULATOR DEBUGGING PURPOSES
//tsxsc.Find(TgtName);
//return true;
//*********************
try
{ clsStatus = tsx_cl.exec(); }
catch (Exception ex)
{
tsxsc.Find(TgtName);
return(false);
}
tsxsc.Find(TgtName);
return(true);
}
public int ReliableClosedLoopSlew(double RA, double Dec, string name, bool hasDome)
{
//Tries to perform CLS without running into dome tracking race condition
//
//First set camera to AutoDark
ccdsoftCamera tsxc = new ccdsoftCamera();
tsxc.ImageReduction = ccdsoftImageReduction.cdAutoDark;
ReliableRADecSlew(RA, Dec, name, hasDome);
ClosedLoopSlew tsx_cl = new ClosedLoopSlew();
int clsStatus = 123;
//If dome, Turn off tracking
if (hasDome)
{
DomeCouplingOff();
while (clsStatus == 123)
{
try { clsStatus = tsx_cl.exec(); }
catch (Exception ex)
{
clsStatus = ex.HResult - 1000;
};
if (clsStatus == 123)
{
System.Threading.Thread.Sleep(500);
}
}
DomeCouplingOn();
}
else
{
try { clsStatus = tsx_cl.exec(); }
catch (Exception ex)
{
clsStatus = ex.HResult - 1000;
};
}
return(clsStatus);
}
//Find the coordinates of the object galaxyName and perform a slew, then CLS to it.
private bool SeekGalaxy()
{
sky6StarChart tsx_sc = new sky6StarChart();
ClosedLoopSlew tsx_cl = new ClosedLoopSlew();
sky6RASCOMTele tsx_mt = new sky6RASCOMTele();
sky6Raven tsx_rv = new sky6Raven();
sky6ObjectInformation tsx_obj = new sky6ObjectInformation();
//Clear any camera set up stuff that might be hanging around
// and there has been some on occasion
//Removed subframe on request for cameras with long download times
ccdsoftCamera tsx_cc = new ccdsoftCamera()
{
//Subframe = 0,
Delay = 0
};
LogEntry("Finding coordinates for " + freshImageName);
tsx_sc.Find(freshImageName);
// Perform slew to new location before starting CLS -- TSX does not wait for dome rotation.
tsx_obj.Property(Sk6ObjectInformationProperty.sk6ObjInfoProp_RA_2000);
double tRA = tsx_obj.ObjInfoPropOut;
tsx_obj.Property(Sk6ObjectInformationProperty.sk6ObjInfoProp_DEC_2000);
double tDec = tsx_obj.ObjInfoPropOut;;
//Make sure that the mount commands are synchronous
tsx_mt.Asynchronous = 0;
//LogEntry("Initial slew to target");
////Slew the mount and dome should follow before completion...
// try { tsx_mt.SlewToRaDec(tRA, tDec, freshImageName); }
//catch (Exception ex) { LogEntry("Slew error: " + ex.Message); }
//Test to see if a dome tracking operation is underway.
// If so, doing a IsGotoComplete will throw an Error 212.
// Ignore it a wait a few seconds for stuff to clear
//If using dome, toggle dome coupling: this appears to clear most Error 123 problems
Configuration ss_cfg = new Configuration();
bool hasDome = Convert.ToBoolean(ss_cfg.UsesDome);
if (hasDome)
{
sky6Dome tsx_dm = new sky6Dome();
tsx_dm.IsCoupled = 0;
System.Threading.Thread.Sleep(1000);
tsx_dm.IsCoupled = 1;
}
//Wait for any Error 123//s to clear
LogEntry("Precision slew (CLS) to target");
//Now try the CLS, but if an Error 123 is thrown, keep trying
// every five seconds until the dome slew catches up.
//int clsStatus = 123;
//while (clsStatus == 123)
//{
// try { clsStatus = tsx_cl.exec(); }
// catch (Exception ex)
// {
// clsStatus = ex.HResult - 1000;
// LogEntry("CLS Error: " + ex.Message);
// };
//}
DeviceControl dctl = new DeviceControl();
int clsStatus = dctl.ReliableClosedLoopSlew(tRA, tDec, freshImageName, hasDome);
LogEntry("Precision Slew Complete: ");
if (clsStatus == 0)
{
LogEntry(" CLS successful");
return(true);
}
else
{
LogEntry(" CLS unsucessful: Error: " + clsStatus.ToString());
return(false);
}
}
public static bool CLSToTarget(string tgtName, SpeedVector sv, bool IsPrecision = false)
{
//first, couple dome to telescope, if there is one
sky6Dome tsxd = new sky6Dome();
try
{
tsxd.Connect();
tsxd.IsCoupled = 1;
}
catch (Exception ex)
{
//do nothing
}
int clsStatus = 123;
sky6RASCOMTele tsxmt = new sky6RASCOMTele();
ClosedLoopSlew tsx_cl = new ClosedLoopSlew();
sky6StarChart tsxsc = new sky6StarChart();
sky6Utils tsxu = new sky6Utils();
//Check to see if target is above horizon
double tgtRAH = Transform.DegreesToHours(sv.RA_Degrees);
double tgtDecD = sv.Dec_Degrees;
tsxu.ConvertRADecToAzAlt(tgtRAH, tgtDecD);
double tgtAzmD = tsxu.dOut0;
double tgtAltD = tsxu.dOut1;
if (tgtAltD <= 0)
{
MessageBox.Show("Slew failure: Target is below the horizon");
return(false);
}
//Clear any image reduction, otherwise full reduction might cause a problem
ccdsoftCamera tsxcam = new ccdsoftCamera()
{
ImageReduction = ccdsoftImageReduction.cdNone,
Asynchronous = 1 //make sure nothing else happens while setting this up
};
//Abort any ongoing imaging
tsxcam.Abort();
bool returnStatus = true;
// diagnostic
string strRA = Utils.HourString(tgtRAH, false);
string strDec = Utils.DegreeString(tgtDecD, false);
//
tsxsc.Find(tgtRAH.ToString() + ", " + tgtDecD.ToString());
tsxmt.Connect();
tsxu.Precess2000ToNow(tgtRAH, tgtDecD);
double jnRAH = tsxu.dOut0;
double jnDecD = tsxu.dOut1;
//tsxmt.Asynchronous = 0;
try
{
tsxmt.SlewToRaDec(jnRAH, jnDecD, tgtName);
}
catch (Exception ex)
{
MessageBox.Show("Slew Failure: " + ex.Message);
returnStatus = false;
}
if (IsPrecision && returnStatus)
{
//*** precision slew
try
{
clsStatus = tsx_cl.exec();
}
catch (Exception ex)
{
returnStatus = false;
}
}
try
{
tsxsc.Find(tgtName);
}
catch (Exception ex)
{
returnStatus = true;
}
return(returnStatus);
}
/// Windows C# Sample Console Application: AutoGuide
///
/// ------------------------------------------------------------------------
///
/// Author: R.McAlister (2017)
///
/// ------------------------------------------------------------------------
///
/// This application performs the following steps:
/// Finds a target, M39 in this case
/// Turns off Autoguiding (if on)
/// Performs a Closed Loop Slew to the target
/// Takes an image with the Autoguide camera
/// Turns on Autoguiding
///
///
public void AutoGuideSample()
{
///Set connection to star chart and perform a find on M39 -- this will set the target for a CLS
sky6StarChart tsx_sc = new sky6StarChart();
tsx_sc.Find("M39");
///Create connection to autoguide camera and connect
ccdsoftCamera tsx_ag = new ccdsoftCamera();
///Attach this object to the guider camera
tsx_ag.Autoguider = 1;
///Find out with the guide camera is up to. Abort if autoguiding or calibrating
if (tsx_ag.Connect() == 0)
{
if ((tsx_ag.State == ccdsoftCameraState.cdStateAutoGuide) | (tsx_ag.State == ccdsoftCameraState.cdStateCalibrate))
{
tsx_ag.Abort();
}
;
}
;
///Create closed loop slew object
ClosedLoopSlew tsx_cls = new ClosedLoopSlew();
///Set the exposure, filter to luminance and reduction, set the camera delay to 0 -- backlash
/// should be picked up in the mount driver
ccdsoftCamera tsx_cc = new ccdsoftCamera();
tsx_cc.ImageReduction = ccdsoftImageReduction.cdAutoDark;
tsx_cc.FilterIndexZeroBased = 3; ///Luminance
tsx_cc.ExposureTime = 10;
tsx_cc.Delay = 0;
///run CLS synchronously
///tsx_cls.Asynchronous = False ///-- this setting doesn///t appear to work (member not found) as of DB8458
///Execute
try
{
int clsstat = tsx_cls.exec();
}
catch
{ ///Just close up: TSX will spawn error window
MessageBox.Show("Closed Loop Slew error");
return;
///Let it go for demo purposes
};
///Connect AutoGuide camera in case it isn///t
try
{
tsx_ag.Connect();
}
catch
{
MessageBox.Show("Guide camera connect error");
return;
};
///Take an image to use for Autoguiding, run the function synchronously
tsx_ag.ExposureTime = 2;
tsx_ag.Asynchronous = 0;
tsx_ag.Subframe = 0;
var tstat = tsx_ag.TakeImage(); ///Just assume it works
///Turn asynchronous back on to get out of this
tsx_ag.Asynchronous = 1;
///Fire off Autoguiding
tsx_ag.Autoguide();
return;
}
//Find the coordinates of the object targetName and perform a slew, then CLS to it.
private bool SeekTarget()
{
sky6StarChart tsx_sc = new sky6StarChart();
ClosedLoopSlew tsx_cl = new ClosedLoopSlew();
sky6RASCOMTele tsx_mt = new sky6RASCOMTele();
sky6Raven tsx_rv = new sky6Raven();
sky6ObjectInformation tsx_obj = new sky6ObjectInformation();
//Clear any camera set up stuff that might be hanging around
// and there has been some on occasion
//Removed subframe on request for cameras with long download times
ccdsoftCamera tsx_cc = new ccdsoftCamera()
{
Subframe = 0,
Delay = 0
};
LogEntry("Finding coordinates for " + freshImageName);
tsx_sc.Find(this.freshImageRA.ToString() + "," + this.freshImageDec.ToString());
//Make sure that the mount commands are synchronous
tsx_mt.Asynchronous = 0;
//LogEntry("Initial slew to target");
////Slew the mount and dome should follow before completion...
// try { tsx_mt.SlewToRaDec(tRA, tDec, freshImageName); }
//catch (Exception ex) { LogEntry("Slew error: " + ex.Message); }
//Test to see if a dome tracking operation is underway.
// If so, doing a IsGotoComplete will throw an Error 212.
// Ignore it a wait a few seconds for stuff to clear
//If using dome, toggle dome coupling: this appears to clear most Error 123 problems
Configuration cfg = new Configuration();
bool hasDome = Convert.ToBoolean(cfg.UsesDome);
if (hasDome)
{
sky6Dome tsx_dm = new sky6Dome();
tsx_dm.IsCoupled = 0;
System.Threading.Thread.Sleep(1000);
tsx_dm.IsCoupled = 1;
}
//Wait for any Error 123//s to clear
LogEntry("Precision slew (CLS) to target");
DeviceControl dctl = new DeviceControl();
int clsStatus = dctl.ReliableClosedLoopSlew(freshImageRA, freshImageDec, freshImageName, hasDome);
LogEntry("Precision Slew Complete: ");
if (clsStatus == 0)
{
LogEntry(" CLS successful");
return(true);
}
else
{
LogEntry(" CLS unsucessful: Error: " + clsStatus.ToString());
return(false);
}
}
/// Windows C# Sample Console Application: AutoFocus
///
/// ------------------------------------------------------------------------
///
/// Author: R.McAlister (2017)
///
/// ------------------------------------------------------------------------
///
/// This application performs the following steps:
/// Saves the current target and imaging parameters
/// Turns off Autoguiding (if on)
/// Turns on AutoFocus
/// Returns to the current target
/// Note that "Automatically slew telescope to nearest appropriate focus star" must be checked in the @Focus2 start-up window.
///
public void AutoFocusSample()
{
int iFilter = 3; ///Luminescent, I hope
///Connect the telescope for some slewing
sky6RASCOMTele tsx_tt = new sky6RASCOMTele();
tsx_tt.Connect();
///Work around and Run @Focus2
/// Save current target name so it can be found again
/// Run @Focus2 (which preempts the observating list and object)
/// Restore current target, using Name with Find method
/// ClosedLoopSlew back to target
ccdsoftCamera tsx_cc = new ccdsoftCamera();
tsx_cc.Connect();
tsx_cc.focConnect();
///Get current target name so we can return after running @focus2
sky6ObjectInformation tsx_oi = new sky6ObjectInformation();
tsx_oi.Property(Sk6ObjectInformationProperty.sk6ObjInfoProp_NAME1);
string sTargetName = tsx_oi.ObjInfoPropOut;
///TBD: Set up parameters for @Focus2, if necessary
///
///Run Autofocus
/// Create a camera object
/// Launch the autofocus watching out for an exception -- which will be posted in TSX
///Save current camera delay, exposure and filter
/// then set the camera delay = 0
/// set the delay back when done with focusing
tsx_cc.AutoSaveFocusImages = 0;
var dCamDelay = tsx_cc.Delay;
var iCamReduction = tsx_cc.ImageReduction;
var iCamFilter = tsx_cc.FilterIndexZeroBased;
var dCamExp = tsx_cc.ExposureTime;
var iFocStatus = 0;
tsx_cc.ImageReduction = ccdsoftImageReduction.cdAutoDark;
tsx_cc.FilterIndexZeroBased = 3; ///Luminance
tsx_cc.ExposureTime = 10;
tsx_cc.Delay = 0;
tsx_cc.FilterIndexZeroBased = iFilter;
iFocStatus = tsx_cc.AtFocus2();
///Restore the current target and slew back to it
/// Run a Find on the target -- which makes it the "observation"
/// Perform Closed Loop Slew to the target
sky6StarChart tsx_sc = new sky6StarChart();
tsx_sc.Find(sTargetName);
///Run a Closed Loop Slew to return
ClosedLoopSlew tsx_cls = new ClosedLoopSlew();
///Set the exposure, filter to luminance and reduction, set the camera delay to 0 -- any backlash
/// should be picked up in the mount driver
tsx_cc.ImageReduction = ccdsoftImageReduction.cdAutoDark;
tsx_cc.FilterIndexZeroBased = iFilter; ///Luminance, probably
tsx_cc.ExposureTime = 10;
tsx_cc.Delay = 0;
try
{
var clsstat = tsx_cls.exec();
}
catch
{
///Just close up: TSX will spawn error window
///System.Windows.Forms.Show("AutoFocus return failure")
};
///Put back the orginal settings
tsx_cc.ImageReduction = iCamReduction;
tsx_cc.FilterIndexZeroBased = iCamFilter;
tsx_cc.ExposureTime = dCamExp;
tsx_cc.Delay = dCamDelay;
return;
}
