public static bool IsCompatible(string fileName, byte[] header1024)
{
if (header1024 == null)
{
header1024 = new byte[1024];
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
{
fs.Read(header1024, 0, 1024);
fs.Close();
}
}
if (!HDF5Helper.IsHdf5(header1024) && !HDF4Helper.IsHdf4(header1024))
{
return(false);
}
L2ProductDefind[] l2Pros = L2ProductDefindParser.GetL2ProductDefs(fileName);
if (l2Pros == null || l2Pros.Length == 0)
{
return(false);
}
return(true);
}
public FY3HDFL2ProductProvider(string fileName, byte[] header1024, IGeoDataDriver driver, params object[] args)
: base(fileName, driver)
{
L2ProductDefind[] l2Pros = L2ProductDefindParser.GetL2ProductDefs(Path.GetFileName(_fileName));
if (l2Pros == null)
{
return;
}
_fileName = fileName;
_args = args;
L2ProductDefind verifyL2Pro = l2Pros.Length == 1 ? l2Pros[0] : VerifyL2ProDef(l2Pros);
if (verifyL2Pro == null)
{
return;
}
using (Dataset dataset = Gdal.Open(fileName, Access.GA_ReadOnly))
{
GDALHelper.GetDatasetAttributes(dataset, _attributes);
}
Dictionary <string, string> allGdalSubDatasets = this.Attributes.GetAttributeDomain("SUBDATASETS");
_allGdalSubDatasets = RecordAllSubDatasetNames(allGdalSubDatasets);
_coordEnvelope = TrySetGeoInfo(verifyL2Pro);
_selectedsets = TryGetSelectedSets(verifyL2Pro);
TryCreateBandProvider();
_bandCount = _rasterBands.Count;
_dataType = _rasterBands[0].DataType;
_width = _rasterBands[0].Width;
_height = _rasterBands[0].Height;
_coordType = _spatialRef.ProjectionCoordSystem != null ? enumCoordType.PrjCoord : enumCoordType.GeoCoord;
_resolutionX = (float)(_coordEnvelope.Width / (_width));
_resolutionY = (float)(_coordEnvelope.Height / (_height));
if (_dataIdentify != null && _dataIdentify.OrbitDateTime == DateTime.MinValue)
{
_dataIdentify.OrbitDateTime = IceConDataProvider.TryGetFileDate(Path.GetFileName(fileName));
}
}