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HDF Reference Manual

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SD - Multifile Scientific Data Interface

SDattrinfo/sfgainfo -- Retrieves information about an attribute.

SDcheckempty/sfchempty -- Determines whether an SDS is empty.

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.

SDgetanndatainfo -- Retrieves location and size of annotations' data.

SDgetattdatainfo -- Retrieves location and size of attribute's data.

SDgetcal/sfgcal -- Retrieves the calibration information associated with a data set.

SDgetchunkinfo/sfgichnk -- Retrieves chunking information for a data set.

SDgetcompinfo/sfgcompress -- Retrieves data set compression type and compression information.

SDgetdatainfo -- Retrieves location and size of data blocks in a specified data set, starting at a specified block.

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.

SDgetexternalinfo -- Retrieves information about external file of the data set.

SDgetfilename -- Given a file identifier, retrieves the name of the file.

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, number type and number of attributes for a data set.

SDgetnamelen -- Retrieves the length of the name of a file, a dataset, or a dimension.

SDgetnumvars_byname -- Get the number of data sets having the same name.

SDgetoldattdatainfo -- Retrieves location and size of old predefined attribute's data.

SDgetrange/sfgrange -- Retrieves the maximum and minimum values of the range.

SDget_maxopenfiles -- Retrieves current and maximum number of open files.

SDget_numopenfiles -- Returns the number of files currently being opened.

SDidtoref/sfid2ref -- Returns the reference number assigned to a data set.

SDidtype -- Given an identifier, return the type of object the identifier represents.

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.

SDnametoindices -- Retrieves indices of all variables with the same 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.

SDreset_maxopenfiles -- Resets the maximum number of files can be opened at the same time.

SDselect/sfselect -- Obtains the data set identifier (sds_id) of a data set.

SDsetaccesstype/sdfsacct -- Sets the I/O access type of an SDS.

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.


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