private ThreeAxisFITSCubeFrameStream(
string fileName, Fits fitsFile, BufferedFile bufferedFile, BasicHDU imageHDU,
FITSTimeStampReader timeStampReader,
int widthIndex, int heightIndex, int frameIndex,
short minPixelValue, uint maxPixelValue, int bitPix, int negPixCorrection)
{
m_FileName = fileName;
bool isMidPoint;
double?exposureSecs;
var startExposure = timeStampReader.ParseExposure(null, imageHDU.Header, out isMidPoint, out exposureSecs);
if (startExposure.HasValue && exposureSecs.HasValue)
{
m_ExposureSeconds = exposureSecs.Value;
m_FirstFrameMidTime = startExposure.Value;
}
m_MinPixelValue = minPixelValue;
m_MaxPixelValue = maxPixelValue;
m_Bpp = bitPix;
m_FitsFile = fitsFile;
m_TimeStampReader = timeStampReader;
m_BufferedFile = bufferedFile;
m_ImageHDU = imageHDU;
m_HeightIndex = heightIndex;
m_WidthIndex = widthIndex;
m_FrameIndex = frameIndex;
m_NumFrames = m_ImageHDU.Axes[frameIndex];
m_Height = m_ImageHDU.Axes[heightIndex];
m_Width = m_ImageHDU.Axes[widthIndex];
m_ArrayData = (Array)m_ImageHDU.Data.DataArray;
m_BZero = FITSHelper2.GetBZero(m_ImageHDU);
m_NegPixCorrection = negPixCorrection;
m_Cards = new Dictionary <string, string>();
var cursor = m_ImageHDU.Header.GetCursor();
while (cursor.MoveNext())
{
HeaderCard card = m_ImageHDU.Header.FindCard((string)cursor.Key);
if (card != null && !string.IsNullOrWhiteSpace(card.Key) && card.Key != "END")
{
if (m_Cards.ContainsKey(card.Key))
{
m_Cards[card.Key] += "\r\n" + card.Value;
}
else
{
m_Cards.Add(card.Key, card.Value);
}
}
}
HasUTCTimeStamps = startExposure.HasValue;
VideoFileType = string.Format("FITS.{0}::Cube3D", bitPix);
}
public frmChooseTimeHeaders(string fileName, string filesHash, VideoController videoController)
: this()
{
m_VideoController = videoController;
FITSData fitsData;
m_VideoController.SetCursor(Cursors.WaitCursor);
try
{
fitsData = FITSHelper2.LoadFitsFile(fileName, null, 0);
BZero = FITSHelper2.GetBZero(fitsData.HDU);
m_BelowZeroCorr = Math.Max(BZero, Math.Abs(fitsData.PixelStats.MinPixelValue) - BZero);
fitsData = FITSHelper2.LoadFitsFile(fileName, null, BZero - m_BelowZeroCorr);
}
finally
{
m_VideoController.SetCursor(Cursors.Default);
}
m_FilesHash = filesHash;
var hasher = new SHA1CryptoServiceProvider();
hasher.Initialize();
var orderedCardNames = new List <string>();
var cursor = fitsData.HDU.Header.GetCursor();
while (cursor.MoveNext())
{
var card = fitsData.HDU.Header.FindCard((string)cursor.Key);
if (card != null)
{
m_AllCards.Add(new HeaderEntry(card));
}
orderedCardNames.Add((string)cursor.Key);
}
orderedCardNames.Sort();
byte[] combinedCardNamesBytes = Encoding.UTF8.GetBytes(string.Join("|", orderedCardNames));
var hash = hasher.ComputeHash(combinedCardNamesBytes, 0, combinedCardNamesBytes.Length);
m_CardNamesHash = Convert.ToBase64String(hash);
cbxExposure.Items.AddRange(m_AllCards.ToArray());
cbxExposureUnits.Items.Clear();
cbxExposureUnits.Items.AddRange(Enum.GetNames(typeof(TangraConfig.ExposureUnit)));
cbxExposureUnits.SelectedIndex = 0;
m_TimeStampHelper = new FitsTimestampHelper(m_FilesHash, m_AllCards, UseRecentFITSConfig);
ucTimestampControl.Initialise(m_AllCards, m_FilesHash, m_CardNamesHash, m_TimeStampHelper);
ucTimestampControl2.Initialise(m_AllCards, m_FilesHash, m_CardNamesHash, m_TimeStampHelper);
ucTimestampControl2.SetTimeStampType(TangraConfig.TimeStampType.EndExposure, false);
m_TimeStampHelper.TryIdentifyPreviousConfigApplyingForCurrentFiles();
if (fitsData.PixelStats.HasNegativePixels)
{
NegPixCorrection = fitsData.PixelStats.MinPixelValue;
}
else
{
// No requirement to review the pixel mapping if there are no negative pixels
// We can go with the defaults
m_PixelMappingReviewed = true;
NegPixCorrection = 0;
}
Pixels = fitsData.PixelsFlat;
MinPixelValue = fitsData.PixelStats.MinPixelValue;
MaxPixelValue = fitsData.PixelStats.MaxPixelValue;
HasNegativePixels = fitsData.PixelStats.HasNegativePixels;
BitPix = fitsData.PixelStats.BitPix;
}
