/// <summary>
/// 调用GDAL前生成.hdr文件
/// </summary>
protected override void CallGDALBefore()
{
base.CallGDALBefore();
string[] filenames = null;
_infoDic = HJXML.ReadXMLFile(fileName, out filenames, out _existBands, out _lines, out _sample);
//generate hdr file
this._hdr = new HdrFile();
_hdr.Lines = _lines;
_hdr.BandNames = TryGetBandNames();
_hdr.Bands = _existBands.Count;
_hdr.Samples = _sample;
_hdr.HeaderOffset = 0;
string fname = HdrFile.GetHdrFileName(this._fileName);
_hdr.SaveTo(fname);
}
