public XYToRADec(string wcsfilepath, double Xpos, double Ypos)
{
//Open reference image in TSX. Plate solve.
ccdsoftImage tsx_img = new ccdsoftImage();
tsx_img.Path = wcsfilepath;
tsx_img.Open();
tsx_img.DetachOnClose = 0;
try
{
tsx_img.InsertWCS(true);
}
catch
{
tsx_img.Close();
plateSolve = false;
return;
}
tsx_img.XYToRADec(Xpos, Ypos);
targetRA = tsx_img.XYToRADecResultRA();
targetDec = tsx_img.XYToRADecResultDec();
northangle = tsx_img.NorthAngle;
imagescale = tsx_img.ScaleInArcsecondsPerPixel;
imagewidth = tsx_img.WidthInPixels;
imageheight = tsx_img.HeightInPixels;
plateSolve = true;
tsx_img.Close();
return;
}
private TargetData SearchForLightSourceInventory(ccdsoftImage tsximg, TargetData lightSource)
{
sky6Utils tsxu = new sky6Utils();
double ra = lightSource.TargetRA;
double dec = lightSource.TargetDec;
double rDelta = 1000;
double rmsDelta;
int sIndex = -1;
for (int iSource = 0; iSource < XPosArr.Length; iSource++)
{
tsximg.XYToRADec((double)XPosArr[iSource], (double)YPosArr[iSource]);
double raSrc = tsximg.XYToRADecResultRA();
double decSrc = tsximg.XYToRADecResultDec();;
tsxu.ComputeAngularSeparation(ra, dec, raSrc, decSrc);
rmsDelta = tsxu.dOut0;
if (rmsDelta <= rDelta)
{
rDelta = rmsDelta;
sIndex = iSource;
lightSource.InventoryArrayIndex = sIndex;
lightSource.TargetToSourcePositionError = rDelta * 3600.0;
lightSource.SourceRA = raSrc;
lightSource.SourceDec = decSrc;
lightSource.SourceUncorrectedMagnitude = (double)MagArr[sIndex];
lightSource.SourceX = (double)XPosArr[sIndex];
lightSource.SourceY = (double)YPosArr[sIndex];
}
}
return(lightSource);
}
public string Display(string galaxyName, double suspectRAhrs, double suspectDecdeg)
{
const int sampleSize = 20;
//Test code for PlateSolve2 Wrapper
//CancellationToken cToken;
TargetName = galaxyName;
TargetRAhrs = suspectRAhrs;
TargetDecdeg = suspectDecdeg;
string followUpfileName = FollowUpPath + "\\" + TargetName + ".fit";
TargetImageDir = ImageBankPath + "\\" + TargetName;
//Show suspect in astroimage form, if PlateSolve2 is installed
// if not, then an exception will be thrown
//
//test code
//fileName = "C:\\Users\\Rick McAlister\\Documents\\SuperScan\\Image Bank\\NGC 1023\\NGC 1023_2019-10-31-2138.fit";
//fileName = "C:\\Users\\Rick McAlister\\Documents\\SuperScan\\Image Bank\\NGC 1023\\CurrentImage.fit";
//
TargetFits = new FitsFile(followUpfileName, true);
double pixSize = 1;
if (TargetFits.FocalLength != 0)
{
pixSize = (206.265 / TargetFits.FocalLength) * TargetFits.XpixSz;
}
//
ccdsoftImage tsxim = new ccdsoftImage();
tsxim.Path = FollowUpPath + "\\" + galaxyName + ".fit";
tsxim.Open();
//Try to image link. If not successful, probably too few stars
// if so, just return out of this;
ImageLink tsxil = new ImageLink();
tsxil.pathToFITS = tsxim.Path;
try { tsxil.execute(); }
catch (Exception ex)
{
return("Image Link Error: " + ex.Message);
}
//Show pic on scrren
tsxim.Visible = 0;
ImageLinkResults tsxilr = new ImageLinkResults();
int rlt = tsxilr.succeeded;
string rltText = tsxilr.errorText;
try
{
//tsxim.InsertWCS(true);
tsxim.ShowInventory();
}
catch (Exception ex)
{
string evx = ex.Message;
return(evx);
}
//Look for a light source within 10 pixels of the target RA/Dec
//The developer is picking an arbitrary 10 pixel square box as "near"
int iLS = FindClosestLightSource(tsxim, TargetRAhrs, TargetDecdeg, 10);
if (iLS == -1)
{
return("No light source found at suspect location\r\n **Aborting check**");
}
//Success -- light source at target location. Get magnitude and X,Y coordinates for all light sources
var rMagArr = tsxim.InventoryArray((int)ccdsoftInventoryIndex.cdInventoryMagnitude);
var rXArr = tsxim.InventoryArray((int)ccdsoftInventoryIndex.cdInventoryX);
var rYArr = tsxim.InventoryArray((int)ccdsoftInventoryIndex.cdInventoryY);
double rMag;
string cName;
int starIndex = 0;
int starCount = 0;
int minStarCount = sampleSize;
double tMag = rMagArr[iLS];
//Collect a set of catalog stars that have positions that match up
// with reference light sources of similar intensity to the target
// light source.
//
// first, create data arrays for reference magnitudes and catalog magnitudes
double[] refMag = new double[sampleSize];
double[] catMag = new double[sampleSize];
double[] difMag = new double[sampleSize];
//double[] meanDev = new double[sampleSize];
// second, create TSX objects for the star chart and object information
sky6StarChart tsxsc = new sky6StarChart();
sky6ObjectInformation tsxoi = new sky6ObjectInformation();
//loop over all the stars in the light source magnitude array,
// or until a sufficient number of stars are found that match up
do
{
//Compare the reference light source magnitude to the target light source magnitude
// if within 1 magnitude of each other then look up the associated star, if any
rMag = (double)rMagArr[starIndex];
if (Math.Abs(tMag - rMag) <= 1.0)
{
//Get the RA/Dec location of the reference light source
tsxim.XYToRADec(rXArr[starIndex], rYArr[starIndex]);
double rRA = tsxim.XYToRADecResultRA();
double rDec = tsxim.XYToRADecResultDec();
//Center the star chart on the RA/Dec coordinates
tsxsc.RightAscension = rRA;
tsxsc.Declination = rDec;
int Xcen = tsxsc.WidthInPixels / 2;
int Ycen = tsxsc.HeightInPixels / 2;
//find the star at the center of the chart
tsxsc.ClickFind(Xcen, Ycen);
//get the name of the star, if any
tsxoi.Property(Sk6ObjectInformationProperty.sk6ObjInfoProp_SOURCE_CATALOG);
string cSrc = tsxoi.ObjInfoPropOut;
//if there is a name, then get its properties
if (cSrc != "")
{
//Get the name of the star
tsxoi.Property(Sk6ObjectInformationProperty.sk6ObjInfoProp_NAME1);
cName = tsxoi.ObjInfoPropOut;
//Get the catalog magnitude of the star
tsxoi.Property(Sk6ObjectInformationProperty.sk6ObjInfoProp_MAG);
catMag[starCount] = tsxoi.ObjInfoPropOut;
refMag[starCount] = rMag;
starCount++;
}
}
starIndex++;
} while ((starCount < minStarCount) && (starIndex < rMagArr.Length));
//Compute the difference bewtween reference magnitude and catalog magnitude
for (int i = 0; i < starCount; i++)
{
difMag[i] = refMag[i] - catMag[i];
}
//Compute the average difference
double avgMagDif = 0;
for (int i = 0; i < starCount; i++)
{
avgMagDif += difMag[i];
}
avgMagDif = avgMagDif / starCount;
//Compute the mean square of the deviation
double avgMagDev = 0;
for (int i = 0; i < starCount; i++)
{
avgMagDev += Math.Pow((difMag[i] - avgMagDif), 2);
}
avgMagDev = Math.Sqrt(avgMagDev / starCount);
//Compute the adjusted magnitude for target
double avgTgtAdjMag = tMag - avgMagDif;
//Compute the adjusted magnitude error
double meanDevTgtAdjMag = avgMagDev;
//Return center of starchart to target location
//Set the center of view to the suspect//s RA/Dec and light up the target icon
//
//Recenter the star chart on the RA/Dec coordinates
tsxsc.RightAscension = TargetRAhrs;
tsxsc.Declination = TargetDecdeg;
int Xtcen = tsxsc.WidthInPixels / 2;
int Ytcen = tsxsc.HeightInPixels / 2;
//find the star at the center of the chart
tsxsc.ClickFind(Xtcen, Ytcen);
tsxoi.Property(Sk6ObjectInformationProperty.sk6ObjInfoProp_NAME1);
string starName = tsxoi.ObjInfoPropOut;
//Open astrodisplay form of follow up image
tsxim = null;
tsxoi = null;
tsxsc = null;
//Report on computed apparant magnitude
return("Nearest star: " + starName + "\r\n" +
"Adjusted apparent magnitude = " +
avgTgtAdjMag.ToString() + " +/- " +
meanDevTgtAdjMag.ToString());
}