private static bool LoadFitsFileInternal <TData>(
string fileName, IFITSTimeStampReader timeStampReader,
out TData[,] pixels, out TData medianValue, out Type pixelDataType, out float frameExposure, out bool hasNegativePixels, out short minRawValue, out uint maxVal,
CheckOpenedFitsFileCallback callback, LoadFitsDataCallback <TData> loadDataCallback)
{
Fits fitsFile = new Fits();
using (BufferedFile bf = new BufferedFile(fileName, FileAccess.Read, FileShare.ReadWrite))
{
fitsFile.Read(bf);
BasicHDU imageHDU = fitsFile.GetHDU(0);
Array pixelsArray = (Array)imageHDU.Data.DataArray;
return(LoadFitsDataInternal <TData>(
imageHDU, pixelsArray, fileName, timeStampReader,
out pixels, out medianValue, out pixelDataType, out frameExposure, out hasNegativePixels, out minRawValue, out maxVal,
callback, loadDataCallback));
}
}
public static bool LoadFitsDataInternal <TData>(
BasicHDU imageHDU, Array pixelsArray, string fileName, IFITSTimeStampReader timeStampReader,
out TData[,] pixels, out TData medianValue, out Type pixelDataType, out float frameExposure, out bool hasNegativePixels, out short minRawValue, out uint maxVal,
CheckOpenedFitsFileCallback callback, LoadFitsDataCallback <TData> loadDataCallback)
{
hasNegativePixels = false;
if (callback != null && !(callback(imageHDU)))
{
pixels = new TData[0, 0];
medianValue = default(TData);
pixelDataType = typeof(TData);
frameExposure = 0;
minRawValue = 0;
maxVal = 0;
return(false);
}
int bzero = GetBZero(imageHDU);
bool isMidPoint;
double?fitsExposure = null;
try
{
ParseExposure(fileName, imageHDU.Header, timeStampReader, out isMidPoint, out fitsExposure);
}
catch (Exception ex)
{
Trace.WriteLine(ex.ToString());
}
frameExposure = fitsExposure.HasValue ? (float)fitsExposure.Value : 0;
loadDataCallback(pixelsArray, imageHDU.Axes[0], imageHDU.Axes[1], bzero, out pixels, out medianValue, out pixelDataType, out hasNegativePixels, out minRawValue, out maxVal);
return(true);
}
