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Chapter 12 Single-File Scientific Data Sets (DFSD API)

12.1 Chapter Overview
12.2 The DFSD Scientific Data Set Data Model
12.2.1 Required DFSD SDS Objects
12.2.1.1 Dimensions
12.2.2 Optional DFSD SDS Objects
12.2.2.1 Dimension Scales
12.2.2.2 Predefined Attributes
12.3 The Single-File Scientific Data Set Interface
12.3.1 DFSD Library Routines
12.3.2 File Identifiers in the DFSD Interface
12.4 Writing DFSD Scientific Data Sets
12.4.1 Creating a DFSD Scientific Data Set: DFSDadddata and DFSDputdata
12.4.2 Specifying the Data Type of a DFSD SDS: DFSDsetNT
12.4.3 Overwriting Data for a Given Reference Number: DFSDwriteref
12.4.4 Writing Several Data Sets: DFSDsetdims and DFSDclear
12.4.5 Preventing the Reassignment of DFSD Data Set Attributes: DFSDsetdims
12.4.6 Resetting the Default DFSD Interface Settings: DFSDclear
12.5 Reading DFSD Scientific Data Sets
12.5.1 Reading a DFSD SDS: DFSDgetdata
12.5.2 Specifying the Dimensions and Data Type of an SDS: DFSDgetdims and DFSDgetNT
12.5.3 Determining the Number of DFSD Data Sets: DFSDndatasets and DFSDrestart
12.5.4 Obtaining Reference Numbers of DFSD Data Sets: DFSDreadref and DFSDlastref
12.6 Slabs in the DFSD Interface
12.6.1 Accessing Slabs: DFSDstartslab and DFSDendslab
12.6.2 Writing Slabs: DFSDwriteslab
12.6.3 Reading Slabs: DFSDreadslab
12.7 Predefined Attributes and the DFSD Interface
12.7.1 Writing Data Set Attributes
12.7.1.1 Assigning String Attributes to an SDS: DFSDsetlengths and DFSDsetdatastrs
12.7.1.2 Assigning Value Attributes to a DFSD SDS: DFSDsetfillvalue, DFSDsetrange, and DFSDsetcal
12.7.2 Reading DFSD Data Set Attributes
12.7.2.1 Reading Data Set Attributes: DFSDgetdatalen and DFSDgetdatastrs
12.7.2.2 Reading the Value Attributes of a DFSD Data Set: DFSDgetfillvalue and DFSDgetcal
12.7.3 Writing the Dimension Attributes of a DFSD SDS
12.7.3.1 Writing the String Attributes of a Dimension: DFSDsetlengths and DFSDsetdimstrs
12.7.3.2 Writing a Dimension Scale of a DFSD SDS: DFSDsetdimscale
12.7.4 Reading the Dimension Attributes of a DFSD SDS


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HDF User's Guide - 07/21/98, NCSA HDF Development Group.