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1991-10-02
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JEdI DISC DESCRIPTIONS
By David Traudt
Each of the three discs has a unique file structure and different
datasets. It is important to note that each disc has a
"README.1ST" which should be read, printed, and filed for
reference. There is some important user information and errata
notices found in \WAITER\GETSTR.TXT which can be easily
accessed by choosing Welcome - Getting Started from the JEdI Main
Menu.
"A" DISC
The following directories on the A Disc contain image files:
\YELLOSTN Two new Yellowstone image files are included on this
disc to augment those on "C" Disc. These two are a
contrast enhanced version of the NAPP aerial photograph
(NAPP2.IMG) and a digitized oblique aerial photograph
of the Old Faithful geyser basin area (OBLIQUE.IMG).
\SMMR About nine years of Antarctic sea ice concentration.
This data is easier to use than the files on "C" Disc
because label files are included in the header files.
\GLORIA Images of quad thirteen in the Gulf of Mexico and the
Monterey Canyon.
There are three software packages containing text files:
\TEXTWARE A compilation of earth-science data sets from NOAA,
NASA, and USGS.
\DP Background JEdI project documents and a machine
readable version of the 1990 Teacher Activities Book.
\GSSEARCH Contains the Compendium of CD-ROM's.
The directory \SPECTRA contains a spectral analyses of plants
and minerals.
Two directories, \DOSSOFT and \MACSOFT, provide DOS and Mac users
with software products to explore the images provided on the
three JEdI discs. Software for displaying the images on the Mac
are all found on "A" Disc. Only the latest version of IMDISP for
DOS users is found on "A" Disc. Other DOS image display programs
can be found on the "B" Disc under the \DOS directory.
"B" DISC
The data on this disc are organized into five first-level
subdirectories. A brief description of the second-level and/or
third-level subdirectories is provided here as an "introduction"
to assist you in your exploration of this disc. Please remember
that the README.1ST file has a complete description as well as
other information vital to the operation of these discs.
\ASTRONMY There are two subdirectories here;
\RNGC The Revised New Galactic Catalogue of Nonstellar
Astronomical Objects;
\YALE_BSC Yale Catalogue of Bright Stars (or Bright Star
Catalog).
\DOS This subdirectory contains several useful executable
software programs for DOS computers.
\IDRISI This subdirectory contains a subset of the Idrisi
program and raster Geographic Information System
(GIS).
\IMDISP The raster image display program from California
Institute of Technology, Jet Propulsion
Laboratory, Planetary Data System (PDS).
\PALETTE Contains all of the color palette files for use
with the NASA Voyager imagery.
\MIPS Collection of raster image processing programs
(PCMIPS).
\UTILS Several utility programs that are useful in
working with various raster image files, plus
PDS's image decompression program.
\IMAGERY There are four subdirectories in the \IMAGERY
subdirectory. They are:
\COMETS Selected images and data from NASA CD-ROM's
resulting from "encounters" with two comets,
Halley and Giacobini-Zinner.
\PLANETS Five subdirectories of selected NASA Voyager I &
II imagery of the planets Jupiter, Saturn, Uranus,
Neptune and some of their moons.
\PROGRAMS Software programs for the DOS and Macintosh platforms.
\SOFTWARE These folders contain many useful executable
software programs for Macintosh computers.
\DOS This subdirectory contains datasets that basically
have data specific software accompanying them for
access/analysis. For DOS computers only, the
following are offered
\GNA A subset of the NOAA National Geophysical Data
Center's Geophysics of North America CD-ROM and
software.
\NODC Six subdirectories of a sampling of Pacific Ocean
temperature and salinity readings.
\SEISMIC A sample of earthquake event data, including the
recent Loma Prieta earthquake.
\SUN Demonstration imagery of solar flare activity from
NOAA.
\TOMS A small subset collected by NASA of the Total
Ozone Mapping Spectrometer.
\MAC Our intention was to balance this disc between the two
computer platforms, DOS and Macintosh. Unfortunately,
technical reasons and/or storage limitations require
the placement of most of the Macintosh programs on JEdI
"A" Disc.
"C" DISC
The datasets on this disc are intended for use with the software,
i. e. IMDISP, the most current version is provided on JEdI "A"
Disc in the directory \DOSSOFT.
\YLWSTN Images of the Yellowstone area in the following
subdirectories
\AVHRR The Advanced Very High Resolution Radiometer is
carried on NOAA's Nimbus 6-11 satellites. The
imagery presented on this disc covers the
northern Rocky Mountain region surrounding the
Yellowstone ecosystem.
\GISFILS Although these files are not remotely sensed
datasets, you will find them very useful in a
Geographic Information System "GIS" context by
overlaying the remotely sensed imagery with these
files to aid in interpreting the imagery.
\NAPP This file is a digitized National Aerial
Photography Program scene of the Old Faithful
Geyser region of Yellowstone National Park,
Wyoming, flown on September 1, 1989.
\SLAR Side Looking Airborne Radar imagery is
particularly desirable for observing subtle
crustal lineaments (such as earthquake faults)
that are not visible to other sensors.
\SEVERITY This file is a burn severity land classification
by EROS Data Center scientists and National Park
Service personnel on the basis of the analysis and
interpretation of Thematic Mapper (TM) imagery
collected in October 1988.
\TM Thematic Mapper is a sensor found on the Landsat 4
and 5 satellites. Imagery from this sensor is
particularly useful for a variety of earth science
and natural resources management purposes.
\ANTARCTC The three subdirectories in the Antarctic file
are:
\AVHRR Three digital files presented here are a mosaic of
23 NOAA AVHRR scenes displaying the entire
Antarctic continent.
\MSS The Multi Spectral Scanner is found on the Landsat
1-5 satellites. The two scenes on this disc are
included to give you a "closer look" at two areas
at and near the U.S. McMurdo Sound base.
\SMMR The Scanning Multichannel Microwave Radiometer
imagery on this disc is from NOAA's Nimbus 7
satellite. These images provide excellent viewing
of sea ice concentrations.