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List of Figures

FIGURE 1a - HDF Data Structures

FIGURE 1b - Three Levels of Interaction with the HDF File

FIGURE 2a - The Physical Layout of an HDF File Containing One Data Object

FIGURE 2b - Two Data Objects

FIGURE 2c - The Contents of a Data Descriptor

FIGURE 2d - Data Descriptor Block

FIGURE 2e - Use of a Function Call Converter to Route FORTRAN-77 HDF Calls to the C Library

FIGURE 3a - The Contents of a Scientific Data Set

FIGURE 3b - An Example of Access Pattern ("Strides")

FIGURE 3c - Dimension Records and Attributes Shared Between Related Data Sets

FIGURE 3d - Chunk Indexing as an Offset in Chunks

FIGURE 3e - Array Locations Created Beyond the Defined Dimensions of an SDS

FIGURE 4a - Vdata Table Structure

FIGURE 4b - Three Different Vdata Structures for Data of the Same Number Type

FIGURE 4c - Single- and Multi-component Vdatas

FIGURE 4d - Interlaced and Non-Interlaced Vdata Contents

FIGURE 4e - Setting the Record Pointer to the End of a Vdata

FIGURE 4f - Writing Interlaced or Non-interlaced Buffers into Interlaced or Non-interlaced Vdatas

FIGURE 4g - Removing Alignment Bytes When Writing Data From a C Structure to a Vdata

FIGURE 5a - Similarity of the HDF Vgroup Structure and the UNIX File System

FIGURE 5b - Sharing Data Objects among Vgroups

FIGURE 5c - A Vgroup Containing Two 8-Bit Raster Images, or RIS8 Objects, and a Vdata

FIGURE 5d - Vgroup Structure Describing a Heated Mesh

FIGURE 6a - 8-Bit Raster Image Set Contents

FIGURE 6b - The Data Representation of an 8-Bit Raster Image

FIGURE 7a - 24-Bit Raster Image Set Contents

FIGURE 7b - The Numerical Representation of a 24-Bit Raster Image

FIGURE 7c - RGB Interlace Format for 24-Bit Raster Images

FIGURE 8a - GR Data Set Contents

FIGURE 8b Chunks in a GR raster image dataset

FIGURE 9a - Color Mapping Using a Palette

FIGURE 10a - File and Object Annotations

FIGURE 10b - Object Annotations with Tag/Reference Number Pairs

FIGURE 12a - The Contents of a Three-Dimensional DFSD Scientific Data Set

FIGURE 14a - 1,000 1 x 1 x 1 Element Scientific Data Sets

FIGURE 14b - One 10 x 10 x 10 Element Scientific Data Set

FIGURE 14c - 1,000 1 x 1 x 1 Element Scientific Data Sets

FIGURE 14d - 1,000 1 x 1 x 1 Element Scientific Data Sets Sharing Dimensions

FIGURE 14e - 50 10 x 10 x 10 Element Scientific Data Sets

FIGURE 14f - Writing to the 50 10 x 10 x 10 Element Scientific Data Sets

FIGURE 14g - One 10,000 Element Scientific Data Set with Old- and New-Style Dimension Scales

FIGURE 14h - One 10,000 Element Scientific Data Set with the Old-Style Dimension Scale Disabled

FIGURE 14i - Comparison between Chunked and Non-chunked Scientific Data Sets

FIGURE 14j - Filling a Two-dimensional Array with Data Using Row-major Ordering

FIGURE 14k - Number of Seeks Needed to Access a Row of Data in a Non-chunked SDS

FIGURE 14l - Number of Seeks Needed to Access a Column of Data in a Non-chunked SDS

FIGURE 14m - Number of Seeks Needed to Access a Row of Data in a Chunked SDS

FIGURE 14n - Number of Seeks Needed to Access a Column of Data in a Chunked SDS

FIGURE 14o - Compressing and Writing Chunks of Data to a Compressed and Tiled SDS

FIGURE 14p - Extracting a Subset from a Compressed and Tiled SDS

FIGURE 14q - Extracting a Subset from a Compressed Non-tiled SDS

FIGURE 14r - Example 4 x 12 Element Scientific Data Set

FIGURE 14s - 2 x 8 Element Subset of the 4 x 12 Scientific Data Set

FIGURE 14t - 4 x 12 Element Data Set with 2 x 2 Element Tiles

FIGURE 14u - 5 200 x 300 Element Tiles Labelled A, B, C, D and E

FIGURE 15a - The fp2hdf Utility

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HDF User's Guide - 05/19/99, NCSA HDF Development Group.