public bool GetDataSizeInfos(string datasetName, out int rank, out int[] dimsizes, out HDF4Helper.DataTypeDefinitions hdf4Type, out Type dataType, out int dataTypeSize)
{
StringBuilder sds_name = new StringBuilder();
rank = 0;
dimsizes = new int[MAX_DIMSIZES];
dataType = typeof(UInt16);
hdf4Type = HDF4Helper.DataTypeDefinitions.DFNT_NUINT16;
dataTypeSize = 0;
int id = HDF4Helper.SDstart(_fname, HDF4Helper.AccessCodes.DFACC_READ);
try
{
int dsIndex = HDF4Helper.SDnametoindex(id, datasetName);
int dsObjId = HDF4Helper.SDselect(id, dsIndex);
int attCount = 0;
HDF4Helper.SDgetinfo(dsObjId, sds_name, out rank, dimsizes, out hdf4Type, out attCount);
if (rank != 0)
{
dataType = GetTypeFromHDF4DataType(hdf4Type, out dataTypeSize);
return(true);
}
}
finally
{
HDF4Helper.SDend(id);
}
return(false);
}
public Dictionary <string, string> GetAttributes()
{
if (!_readFileAttrs)
{
Dictionary <string, string> cacheAttrs = GlobalFileAttributeCache.GetFileAttributes(_fname);
if (cacheAttrs == null)
{
_readFileAttrs = true;
int id = HDF4Helper.SDstart(_fname, HDF4Helper.AccessCodes.DFACC_READ);
try
{
int dsCount = 0;
int attCount = 0;
HDF4Helper.SDfileinfo(id, out dsCount, out attCount);
if (attCount == 0)
{
return(null);
}
_fileAttrs = GetAttributes(id, attCount);
GlobalFileAttributeCache.SetFileAttributes(_fname, _fileAttrs);
}
finally
{
HDF4Helper.SDend(id);
}
}
else
{
_fileAttrs = cacheAttrs;
}
}
return(_fileAttrs);
}
public Dictionary <string, string> GetAttributes(string datasetName)
{
StringBuilder sds_name = new StringBuilder();
int rank = 0;
int[] dimsizes = new int[MAX_DIMSIZES];
HDF4Helper.DataTypeDefinitions datatype;
int id = HDF4Helper.SDstart(_fname, HDF4Helper.AccessCodes.DFACC_READ);
try
{
int dsIndex = HDF4Helper.SDnametoindex(id, datasetName);
int dsObjId = HDF4Helper.SDselect(id, dsIndex);
int attCount = 0;
HDF4Helper.SDgetinfo(dsObjId, sds_name, out rank, dimsizes, out datatype, out attCount);
//int dsCount = 0;
//HDF4Helper.SDfileinfo(id, out dsCount, out attCount);
if (attCount == 0)
{
return(null);
}
return(GetAttributes(dsObjId, attCount));
}
finally
{
HDF4Helper.SDend(id);
}
}
public string GetAttributeValue(string datasetName, string attributeName)
{
int id = HDF4Helper.SDstart(_fname, HDF4Helper.AccessCodes.DFACC_READ);
try
{
int dsIndex = HDF4Helper.SDnametoindex(id, datasetName);
int dsObjId = HDF4Helper.SDselect(id, dsIndex);
int attIndex = HDF4Helper.SDfindattr(dsObjId, attributeName);
return(ReadAttribute(dsObjId, attIndex));
}
finally
{
HDF4Helper.SDend(id);
}
}
private string[] GetALLDataset()
{
int sd_id = HDF4Helper.SDstart(_fname, HDF4Helper.AccessCodes.DFACC_READ);
try
{
int num_datasets = 0;
int num_global_attrs = 0;
HDF4Helper.SDfileinfo(sd_id, out num_datasets, out num_global_attrs);
string[] dsNames = ReadSDinfo(sd_id, num_datasets);
return(dsNames);
}
finally
{
HDF4Helper.SDend(sd_id);
}
}