public static D1A5Header Set1A5Header(string filename)
{
FileStream fs = null;
BinaryReader br = null;
D1A5Header d1a5Header = null;
try
{
fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
br = new BinaryReader(fs, Encoding.Default);
d1a5Header = new SecHlder1A5FileHeader().Create(fs, br, 0, 21980) as D1A5Header;
}
finally
{
if (fs != null)
{
fs.Close();
}
if (br != null)
{
br.Close();
}
}
return(d1a5Header);
}
public override object Create(Stream fileStream, BinaryReader binaryReader, int offset, int endOffset)
{
D1A5Header hInfo = new D1A5Header();
fileStream.Seek(offset, SeekOrigin.Begin);
hInfo.SatelliteIdentify = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
hInfo.DataBeginYear = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
hInfo.DataBeginMilliSecond = ToLocalEndian_Core.ToUInt32FromBig(binaryReader.ReadBytes(4));
hInfo.DataBeginDayNums = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
hInfo.DataEndYear = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
hInfo.DataEndMilliSecond = ToLocalEndian_Core.ToUInt32FromBig(binaryReader.ReadBytes(4));
hInfo.DataEndDayNums = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
hInfo.RecordCount = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
hInfo.LastRecord = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
hInfo.ErrorFrameCount = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
hInfo.BitErrorRatio = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
fileStream.Seek(2, SeekOrigin.Current);
hInfo.ErrorTimeOrder = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
hInfo.LostRecordCount = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
fileStream.Seek(84, SeekOrigin.Current);
hInfo.TrackNumber = ToLocalEndian_Core.ToUInt16FromBig(binaryReader.ReadBytes(2));
fileStream.Seek(74, SeekOrigin.Current);
hInfo.DataBeginSecond = ToLocalEndian_Core.ToUInt64FromBig(binaryReader.ReadBytes(8));
hInfo.DataEndSecond = ToLocalEndian_Core.ToUInt64FromBig(binaryReader.ReadBytes(8));
hInfo.SatelliteName = hInfo.SatelliteIdentify == 3 ? "NOAA16" : hInfo.SatelliteIdentify == 5 ? "NOAA14" : hInfo.SatelliteIdentify == 7 ? "NOAA15" : hInfo.SatelliteIdentify == 9 ? "NOAA12" : "";
if (hInfo.SatelliteName == "")
{
if (hInfo.SatelliteIdentify == 0x0b)
{
hInfo.SatelliteName = "NOAA17";
}
else if (hInfo.SatelliteIdentify == 0x0d)
{
hInfo.SatelliteName = "NOAA18";
}
}
base.Create(fileStream, binaryReader, offset, endOffset);
return(hInfo);
}
protected override void CallGDALBefore()
{
base.CallGDALBefore();
_header = SetFileHeader.Set1A5Header(fileName);
//generate hdr file
using (FileStream fs = new FileStream(fileName, FileMode.Open))
{
long len = fs.Length;
_factOfLine = (int)((len - _offset) / _sizeOfLine);
this._hdr = new HdrFile();
_hdr.Lines = _factOfLine;
_hdr.BandNames = TryGetBandNames();
_hdr.Bands = _hdr.BandNames.Count();
_hdr.Samples = _samples;
_hdr.HeaderOffset = _offset;
_hdr.ByteOrder = enumHdrByteOder.Network_IEEE;
_hdr.MajorFrameOffsets[0] = _maxFrameOffset;
_hdr.MajorFrameOffsets[1] = _minFrameOffset;
string fname = HdrFile.GetHdrFileName(this._fileName);
_hdr.SaveTo(fname);
}
}
protected override bool IsCompatible(string fileName, byte[] header1024, params object[] args)
{
string fileExtension = Path.GetExtension(fileName).ToUpper();
return(D1A5Header.Is1A5(header1024, fileExtension));
}
