public static List <PETCoincidenceTOF> GenerateCoincList(List <PETSingleEvent> events, string outDir, int index, int window)
{
List <PETCoincidenceTOF> result = new List <PETCoincidenceTOF>();
for (int i = 0; i < events.Count - 1; i++)
{
for (int j = i + 1; j < events.Count && (events[j].Timestamp - events[i].Timestamp < window); j++)
{
if (events[j].Timestamp - events[i].Timestamp < window && events[j].Block != events[i].Block)
{
var coinc = new PETCoincidenceTOF();
coinc.Timestamp1 = events[i].Timestamp;
coinc.Position1 = events[i].Position;
coinc.XMinus1 = events[i].XMinus;
coinc.XPlus1 = events[i].XPlus;
coinc.YMinus1 = events[i].YMinus;
coinc.YPlus1 = events[i].YPlus;
coinc.Timestamp2 = events[j].Timestamp;
coinc.Position2 = events[j].Position;
coinc.XMinus2 = events[j].XMinus;
coinc.XPlus2 = events[j].XPlus;
coinc.YMinus2 = events[j].YMinus;
coinc.YPlus2 = events[j].YPlus;
result.Add(coinc);
i = j + 1;
break;
}
}
}
if (result.Count != 0)
{
WorkWithFiles.WriteCoincList(string.Format("{1}\\{0}.csv", index++, outDir), result);
}
Console.WriteLine("\tFound {0} coincidences", result.Count);
return(result);
}
public static List <PETSingleEvent> GenerateSinglesNoAtt(List <AnnihilationEvent> eventList, DetectorsConfiguration dc, string outDir, int index)
{
List <PETSingleEvent> result = new List <PETSingleEvent>();
foreach (var ev in eventList)
{
Photon ph1 = new Photon(ev)
{
Status = stat.Finished, Energy = 511E3
},
ph2 = new Photon(ev, true)
{
Status = stat.Finished, Energy = 511E3
};
PETSingleEvent se = new PETSingleEvent();
bool detection = dc.Detect(ph1, out se);
if (detection)
{
result.Add(se);
}
detection = dc.Detect(ph2, out se);
if (detection)
{
result.Add(se);
}
}
if (result.Count != 0)
{
WorkWithFiles.WriteSingleEventList(string.Format("{1}\\{0}.csv", index++, outDir), result);
}
Console.WriteLine("\tRegistered {0} events", result.Count);
return(result);
}
public void Build(string path)
{
var sins = new double[numSins][, ];
for (int i = 0; i < numSins; i++)
{
sins[i] = new double[indexer.NumDirs, indexer.NumLines];
}
Bitmap bmp = new Bitmap(1024, 1024);
Graphics gr = Graphics.FromImage(bmp);
gr.TranslateTransform(bmp.Width / 2f, bmp.Height / 2f);
List <string> fileList = new List <string>();
if (Directory.Exists(path))
{
DirectoryInfo di = new DirectoryInfo(path);
FileSystemInfo[] files = di.GetFileSystemInfos();
foreach (var file in files)
{
fileList.Add(file.FullName);
}
}
foreach (var file in fileList)
{
var clist = WorkWithFiles.ReadCoincList(file);
foreach (var c in clist)
{
PETDigitalCoincidenceTOF cIJ = new PETDigitalCoincidenceTOF();
EventConverter.CalculateDigitalCoincidenceTOF(c, ref cIJ);
int Ring1 = indexer.GetRing(c.Position1, cIJ.J1);
int Ring2 = indexer.GetRing(c.Position2, cIJ.J2);
var sinidx = Ring1 + Ring2;
if (sinidx >= numSins)
{
continue;
}
int Dir = indexer.GetDir(c.Position1, c.Position2, cIJ.I1, cIJ.I2);
int Line = indexer.GetLine(c.Position1, c.Position2, cIJ.I1, cIJ.I2);
//if (isDebug && ++cnt % 1000 == 0)
//{
// gr.DrawLine(Pens.White, 410 * (float)Math.Cos(Math.PI * Detector1 / 360), 410 * (float)Math.Sin(Math.PI * Detector1 / 360),
// 410 * (float)Math.Cos(Math.PI * Detector2 / 360), 410 * (float)Math.Sin(Math.PI * Detector2 / 360));
//}
if (Line < 0)
{
continue;
}
sins[sinidx][Dir, Line]++;
}
}
if (!Directory.Exists(outDir))
{
Directory.CreateDirectory(outDir);
}
for (int i = 0; i < numSins; i++)
{
Sinogram sino = new Sinogram(sins[i], AnglesDistribution.Uniform(0, Math.PI, indexer.NumDirs));
Stream ostream = File.Create(string.Format("{0}\\{1}", outDir, string.Format("{0}.sg", i)));
//using (StreamWriter w = new StreamWriter(ostream, Encoding.UTF8))
using (ostream)
{
Sinogram.SaveSinogramToStream(ostream, sino);
}
Sinogram.DumpSinogram(sins[i], string.Format("{0}\\{1}.png", outDir, i));
//if (isDebug)
// bmp.Save(string.Format("{0}\\lines.png", arg.OutDir));
}
}
