internal void SaveFitsFrame(int frameNo, string fileName, int width, int height, uint[] framePixels, DateTime timeStamp, float exposureSeconds)
{
Fits f = new Fits();
object data = m_ExportAs8BitFloat
? (object)SaveNormalizedFloatImageData(width, height, framePixels)
: (object)SaveImageData(width, height, framePixels);
BasicHDU imageHDU = Fits.MakeHDU(data);
nom.tam.fits.Header hdr = imageHDU.Header;
hdr.AddValue("SIMPLE", "T", null);
hdr.AddValue("BITPIX", m_ExportAs8BitFloat ? -32 : 32, null);
hdr.AddValue("BZERO", 0, null);
hdr.AddValue("BSCALE", 1, null);
hdr.AddValue("NAXIS", 2, null);
hdr.AddValue("NAXIS1", width, null);
hdr.AddValue("NAXIS2", height, null);
hdr.AddValue("EXPOSURE", exposureSeconds.ToString("0.000", CultureInfo.InvariantCulture), "Exposure, seconds");
hdr.AddValue("DATE-OBS", timeStamp.ToString("yyyy-MM-ddTHH:mm:ss.fff", CultureInfo.InvariantCulture), m_DateObsComment);
hdr.AddValue("CAMERA", m_VideoCamera, "Video camera model (observer specified)");
hdr.AddValue("FILENAME", m_VideoController.FileName, null);
hdr.AddValue("FRAMENO", frameNo, null);
if (m_VideoFormat == VideoFileFormat.AAV || m_VideoFormat == VideoFileFormat.AAV2)
{
hdr.AddValue("NOTES", "No instrumental delay has been applied to DATE-OBS.", null);
if (m_ExportAs8BitFloat)
{
hdr.AddValue("VIDEOFMT", m_NativeFormat, "Native analogue video format");
if (m_IntegrationRate > 0)
{
hdr.AddValue("INTGRRTE", m_IntegrationRate.ToString(), "Integration rate in video frames");
}
}
}
else
{
hdr.AddValue("NOTES", string.Format("Converted from {0} file.", m_VideoFormat), null);
}
foreach (var kvp in m_AdditionalFileHeaders)
{
hdr.AddValue(kvp.Key, kvp.Value.Item1, kvp.Value.Item2);
}
hdr.AddValue("TANGRAVE", string.Format("{0} v{1}", VersionHelper.AssemblyProduct, VersionHelper.AssemblyFileVersion), "Tangra version");
hdr.AddValue("END", null, null);
f.AddHDU(imageHDU);
// Write a FITS file.
using (BufferedFile bf = new BufferedFile(fileName, FileAccess.ReadWrite, FileShare.ReadWrite))
{
f.Write(bf);
bf.Flush();
}
}