An Introduction to

Table of Contents

An Introduction to

What is HDF?

Requirements for Scientific Computing

Why use HDF?

Sharing files among machines

HDF Software

Who is using HDF?

Global Change Research Program in many guises, including EOSDIS

The HDF File Structure

Example of hierarchical HDF structure Raster Image Group (original format)

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Other features of interest

HDF Software

HDF Software Layers

What platforms does HDF run on?

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NCSA HDF Projects

HDF5: Support for Large Datasets

ASCI Accelerated Strategic Computing Initiative

ASCI Infrastructure

HDF & ASCI

Project Horizon

The SDB: Server-side Data Browser

Java-based HDF Viewer (JHV)

JHV: Main Window

Image Window

Spreadsheet View

“HDF Configuration Record” (HCR) Project

SDS: Scientific Data Set

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Domain-specific profiles in HDF

Example: HDF-EOS profiles

HDF Software Layers

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Author: Mike Folk, National Center for Supercomputer Applications (NCSA)

Email: mfolk@void.ncsa.uiuc.edu

Home Page: http://hdf.ncsa.uiuc.edu