SD - Multifile Scientific Data Interface

SDattrinfo/sfgainfo	Retrieves information about an attribute.
SDcreate/sfcreate	Creates a new data set.
SDdiminfo/sfgdinfo	Retrieves information about a dimension.
SDend/sfend	Terminates access to an SD interface.
SDendaccess/sfendacc	Terminates access to a data set.
SDfileinfo/sffinfo	Retrieves the number of data sets and the number of global attributes in a file.
SDfindattr/sffattr	Finds the index of an attribute given its name.
SDgetcal/sfgcal	Retrieves the calibration information associated with a data set.
SDgetchunkinfo/sfgichnk	Retrieves chunking information for a data set.
SDgetdatastrs/sfgdtstr	Retrieves the predefined attributes of a data set.
SDgetdimid/sfdimid	Returns the identifier of a dimension given its index.
SDgetdimscale/sfgdscale	Retrieves the scale values for a dimension.
SDgetdimstrs/sfgdmstr	Retrieves the predefined attributes of a dimension.
SDgetfillvalue/sfgfill/sfgcfill	Reads the fill value of a data set, if the value has been set.
SDgetinfo/sfginfo	Retrieves the name, rank, dimension sizes, data type and number of attributes for a data set.
SDgetrange/sfgrange	Retrieves the maximum and minimum values of the range.
SDidtoref/sfid2ref	Returns the reference number assigned to a data set.
SDiscoordvar/sfiscvar	Determines if a data set is a coordinate variable.
SDisdimval_bwcomp/sfisdmvc	Determines whether a dimension has the old and new representations or the new representation only.
SDisrecord/sfisrcrd	Determines whether a data set is appendable.
SDnametoindex/sfn2index	Determines the index of a data set given its name.
SDreadattr/sfrnatt/sfrcatt	Reads the values of an attribute.
SDreadchunk/sfrchnk/sfrcchnk	Reads a data chunk from a chunked data set.
SDreaddata/sfrdata/sfrcdata	Reads a subsample of data from a data set or coordinate variable.
SDreftoindex/sfref2index	Returns the index of a data set given the reference number.
SDselect/sfselect	Obtains the data set identifier (sds_id) of a data set.
SDsetattr/sfsnatt/sfscatt	Attaches an attribute to an object.
SDsetblocksize/sfsblsz	Sets the block size used for storing data sets with unlimited dimensions.
SDsetcal/sfscal	Sets the calibration information.
SDsetchunk/sfschnk	Sets the chunk size and the compression method, if any, of a data set.
SDsetchunkcache/sfscchnk	Sets the size of the chunk cache.
SDsetcompress/sfscompress	Compresses the data set with the specified compression method.
SDsetdatastrs/sfsdtstr	Sets the predefined attributes for a data set.
SDsetdimname/sfsdmname	Assigns a name to a dimension.
SDsetdimscale/sfsdscale	Stores the values of a dimension.
SDsetdimstrs/sfsdmstr	Sets the predefined attribute of a dimension.
SDsetdimval_comp/sfsdmvc	Determines whether a dimension will have the old and new representations or the new representation only.
SDsetexternalfile/sfsextf	Stores data in an external file.
SDsetfillmode/sfsflmd	Sets the current fill mode of a file.
SDsetfillvalue/sfsfill/sfscfill	Sets the fill value for a data set.
SDsetnbitdataset/sfsnbit	Specifies a non-standard bit length for the data set values.
SDsetrange/sfsrange	Sets the maximum and minimum range values for a data set.
SDstart/sfstart	Opens an HDF file and initializes an SD interface.
SDwritechunk/sfwchnk/sfwcchnk	Writes a data chunk to a chunked data set.
SDwritedata/sfwdata/sfwcdata	Writes a subsample of data to a data set or to a coordinate variable.