public static D1BDHeader Set1BDHeader(string filename)
{
FileStream fs = null;
BinaryReader br = null;
D1BDHeader d1bdHeader = null;
try
{
fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
br = new BinaryReader(fs, Encoding.Default);
d1bdHeader = new SecHlder1BDFileHeader().Create(fs, br, 0, 22016) as D1BDHeader;
}
finally
{
if (fs != null)
{
fs.Close();
}
if (br != null)
{
br.Close();
}
}
return(d1bdHeader);
}
/// <summary>
/// 调用GDAL前生成.hdr文件
/// </summary>
protected override void CallGDALBefore()
{
base.CallGDALBefore();
_d1bdHeader = SetFileHeader.Set1BDHeader(fileName);
//generate hdr file
using (FileStream fs = new FileStream(fileName, FileMode.Open))
{
long len = fs.Length;
_factOfLine = (int)(len / _sizeOfLine - 1);
this._hdr = new HdrFile();
_hdr.Lines = _factOfLine;
_hdr.BandNames = TryGetBandNames();
_hdr.Bands = _hdr.BandNames.Count();
_hdr.Samples = _samples;
_hdr.HeaderOffset = _offset;
if (_d1bdHeader.IsBigEndian)
{
_hdr.ByteOrder = enumHdrByteOder.Network_IEEE;
}
else
{
_hdr.ByteOrder = enumHdrByteOder.Host_intel;
}
_hdr.MajorFrameOffsets[0] = _maxFrameOffset;
_hdr.MajorFrameOffsets[1] = _minFrameOffset;
string fname = HdrFile.GetHdrFileName(this._fileName);
_hdr.SaveTo(fname);
}
}
public override object Create(Stream fileStream, BinaryReader binaryReader, int offset, int endOffset)
{
bool isBig = IsBigEndian(fileStream, binaryReader);
D1BDHeader hInfo = new D1BDHeader(
new SecHlder1BDFileHeaderCommonInfo_NOAA(isBig).Create(fileStream, binaryReader, cstCommonInfoOffset, cstCommonInfoEndOffset),
new SecHlder1BDFileHeaderQualityInfo_NOAA(isBig).Create(fileStream, binaryReader, cstQualityInfoOffset, cstQualityInfoEndOffset),
new SecHlder1BDFileHeaderScaleInfo_NOAA(isBig).Create(fileStream, binaryReader, cstScaleInfoOffset, cstScaleInfoEndOffset),
new SecHlder1BDFileHeaderRadiantionInfo_NOAA(isBig).Create(fileStream, binaryReader, cstRadiantionInfoOffset, cstRadiantionInfoEndOffset),
new SecHlder1BDFileHeaderGeographInfo_NOAA(isBig).Create(fileStream, binaryReader, cstGeographInfoOffset, cstGeographInfoEndOffset),
new SecHlder1BDFileHeaderSimluateInfo_NOAA().Create(fileStream, binaryReader, cstSimulateInfoOffset, cstSimluateInfoEndOffset),
new NomalInfoSection().Create(fileStream, binaryReader, cstNomalInfoSectionOffset, cstSimluateInfoEndOffset)
, isBig);
return(hInfo);
}
protected override bool IsCompatible(string fileName, byte[] header1024, params object[] args)
{
return(D1BDHeader.Is1BD(header1024));
}