------------------------------------------------------------
Index file: <IDL_Directory>
              examples
                data
------------------------------------------------------------


This file describes the data files in this directory. Files with
the extension "dat" may be either binary data files or IDL Restore
files (created with the IDL SAVE procedure). If the file is a
Restore file, the names of the variables contained therein are
listed.

File               Size                     Description
                   (Cols,Rows,Images,Bits)

abnorm.dat         64 x 64 x 15 x 8         Gated blood pool

africavlc.png      540 x 560                From the EROS Data
                                            Center, Africa land
                                            cover characteristics
                                            image, Distributed
                                            Active Archive Center
                                            web site hosted by USGS
                                            NASA Distributed Active
                                            Archive Center. Data
                                            provided by the U.S.
                                            Geological Survey's
                                            EROS Data Center in
                                            Sioux Falls, SD

afrpolitsm.png     600 x 600                Political map of Africa
                                            adapted from CIA's public
                                            domain World Factbook 2000

alie.dat           64 x 64 x 24 x 8         Gated blood pool

ascii.dat          n/a                      Example ASCII data file

ascii.txt          n/a                      ASCII format weather data

avhrr.png          720 x 360                An indexed image of the
                                            earth derived from an
                                            AVHRR file

boulder.tif        1071 x 1390              GeoTiff image of Boulder,
                                            Colorado

cduskcD1400.sav    n/a                      Black Hole volume data
                                            provided by the University
                                            of North Carolina as part
                                            of the Princeton Plasma
                                            Physics Lab Visualization
                                            Development Environments
                                            Toolkit Showdown held in
                                            April of 2001, Restore file
                   30 x 30 x 15             DENSITY variable
                   30 x 30 x 15             MASSFLUX variable
                   30 x 30 x 15             VELOCITY variable

cereb.dat          512 x 512 x 2 x 8        Brain X ray

chirp.dat          512 x 1                  Sine Wave Increasing
                                            Exponentially in Frequency
                                            
Clouds.jpg         1024 x 512               Global map with cloud data. Clouds
                                            in red channel and gloss in green.
                                            Reto Stckli, NASA/Goddard Space 
                                            Flight Center.
                                            
clouds3d.dat                                Volume measurements, Restore file
                   55 x 55 x 32             CLOUDS variable
                   55 x 55 x 32             RAIN variable

continent_mask.dat 360 x 360 x 1 x 8        Mask of the World Elevation
                                            data from the worldelv.dat file.
                                            The oceans are set to 0, and
                                            the continents are set to 1.

convec.dat         248 x 248 x 1 x 8        Earth mantle convection

ctbone157.jpg      483 x 410                CT bone scan of a human
                                            thorax from the Labeled
                                            Visible Human CD - Male,
                                            version 2.0

ctscan.dat         256 x 256 x 1 x 8        Cat Scan of Thorasic Cavity

damp_sn.dat        512 x 1                  Damped Sine Wave with Severe
                                            High Frequency Noise

damp_sn2.dat       512 x 1                  Damped Sine Wave with Subtle
                                            High Frequency Noise

data.txt           n/a                      Index for simple binary files
                                            in this directory, designed for
                                            use by IDL programs. Data.txt
                                            should not list Restore or
                                            image format files (JPEG,
                                            TIFF, etc.).
                                            
Day.jpg            1024 x 512               Global map with land cover, 1 km 
                                            resolution. Reto Stckli, 
                                            NASA/Goddard Space Flight Center.                                            

dirty_sine.dat     256 x 1                  Sine Wave with High Frequency
                                            Noise

elev_t.jpg         512 x 512                Pixel-interleaved RGB image
                                            of a mountainous coastline

elevbin.dat        64 x 64 x 1 x 8          DEM (Digital Elevation Model)
                                            of the coastline image provided
                                            in the elev_t.jpg file

elnino.dat         500 x 1 x 1 x 24         Ocean temperature floating-point
                                            data measured in the Eastern
                                            Pacific over a 100 year
                                            period. (Data uses little-
                                            endian byte ordering.)

endocell.jpg       615 x 416                Photomicrograph of cultured
                                            endothelial cells derived from
                                            bovine coronary venules. (Image
                                            courtesy of Michael J.  Davis,
                                            Ph.D., College of Medicine,
                                            Texas A&M University) 

examples.tif       500 x 300 x 1 x 8        Example TIFF file used by
                                            examples

galaxy.dat         256 x 256 x 1 x 8        Image of a Galaxy

globalwinds.dat    n/a                      Save file containing wind data
                                            used in IVECTOR examples:
                   128 x 64                 U variable
                   128 x 64                 V variable
                   128                      X variable
                    64                      Y variable

glowing_gas.jpg    350 x 371                24-bit NASA Hubble Space
                                            Telescope JPEG image of an
                                            expanding shell of glowing gas
                                            surrounding a hot, massive
                                            star in Milky Way Galaxy,
                                            known as the Bubble Nebula,
                                            NGC 7635. (Image courtesy of
                                            Hubble Heritage Team - AURA,
                                            STScI, and NASA)

hdf5.test.h5       n/a                      An HDF 5 files containing
                                            mutliple data types

head.dat           80 x 100 x 57 x 8        57 MRI slices of the human head

head_ct.dcm        512 x 512                DICOM file of a human head
                                            from a CAT scanner

head_pt.dcm        128 x 128                DICOM file of a human head
                                            from a PET scanner

heart.dxf          n/a                      13 polylines and 1624 polygonal
                                            faces representing a heart
                                            (stored in the DXF file format)

hurric.dat         440 x 340 x 1 x 8        Hurricane Gilbert

idemosurf.dat      200 x 200 x 1 x 24       Example surface data

image.tif          768 x 512                Aerial view of New York City

index.txt          n/a                      This file.  Index of all files.

irreg_grid1.txt    n/a                      ASCII file containing scattered
                                            elevation (2D) data of a model
                                            of an inlet

irreg_grid2.txt    n/a                      ASCII file containing bore
                                            hole (3D) data for a square
                                            mile of land

jet.dat            81 x 40 x 101 x 8        Plasma Jet (from Slicer)

m51.dat            340 x 440 x 1 x 8        Whirlpool galaxy M51

marbells.dat       n/a                      Maroon Bells elevation,
                                            Restore file
                   360 x 460                ELEV variable

marsglobe.jpg      400 x 400                Global mosaic of Mars,
                                            Syrtis Major region, from the
                                            NSSDC's Photo Gallery

md1107g8a.jpg      440 x 467                Cross-section of skull from
                                            Visible Human 2.0 Male CD

md5290fc1.jpg      256 x 350                Cross-section of side view
                                            of human head and neck from
                                            Visible Human 2.0 Male CD

meteor_crater.jpg  250 x 230                Landsat 4 NASA image of
                                            Barringer Meteor Crater outside
                                            of Winslow, Arizona

mineral.png        288 x 216                Backscattered electron image
                                            (in compositional mode from a
                                            scanning electron microscope)
                                            of mineral deposits in a sample
                                            of polished granite and gneiss.
                                            (Image courtesy of Gregory
                                            Rudoman, University Microscopy
                                            Imaging Center, SUNY Stony Brook)

moon_landing.png   300 x 300                8-bit B/W astronaut on the moon
                                            
mr_abdomen.dcm     256 x 256 x 16 x 8       Magnetic resonance images of a
                                            human abdomen (stored in DICOM
                                            format)

mr_brain.dcm       256 x 256 x 1 x 12       Magnetic resonance image of a
                                            human brain (stored in DICOM
                                            format)

mr_knee.dcm        256 x 256 x 1 x 12       Magnetic resonance image of a
                                            human knee (stored in DICOM
                                            format).

muscle.jpg         652 x 444                Photomicrograph of cultured
                                            vascular smooth muscle cells
                                            derived from pig coronary artery
                                            (stored in JPEG format.) (Image
                                            courtesy of Michael J.  Davis,
                                            Ph.D., College of Medicine,
                                            Texas A&M University) 

n_vasinfecta.jpg   410 x 300                Cultured Neocosmospora
                                            vasinfecta, a common plant
                                            fungal pathogen.  Image from
                                            CDC journal, Emerging
                                            Infectious Diseases, Vol. 7,
                                            No. 1, Jan-Feb. 2001
                                            
Night.jpg          1024 x 512               Global map city lights, 1km 
                                            resolution. Reto Stckli, 
                                            NASA/Goddard Space Flight Center.                                            

num_array.xml      n/a                      Sample XML data

nyny.dat           768 x 512 x 1 x 8        Aerial view of New York City

ohare.jpg          3 x 5000 x 5000          JPEG image of O'Hare
                                            International airport

pdthorax124.jpg    256 x 256                MRI proton density scan of a
                                            human thorax from the Labeled
                                            Visible Human CD - Male,
                                            version 2.0

people.dat         192 x 192 x 2 x 8        Images of two employees

people.idx         n/a                      Ascii index to images in
                                            people.jpg

people.jpg         n/a                      Images of employees

planets.xml        n/a                      Sample XML data

plot.txt           n/a                      Sample data for 2D
                                            plotting examples

plot_data.sav      n/a                      SAVE file containing sample
                                            data read from plot.txt file.
                   9-element vector         Temp variable
                   9-element vector         Temp1 variable
                   9-element vector         Temp2 variable

r_seeberi.jpg      410 x 300                Image of human nasal polyp
                                            showing Rhino-sporidium seeberi
                                            organisms from CDC journal,
                                            Emerging Infectious Diseases,
                                            Vol. 6, No. 3, May-June 2000

r_seeberi_spore.jpg 260 x 240               Rhinosporidium seeberi
                                            sporangium from CDC journal,
                                            Emergin Infectious Diseases,
                                            Vol. 6, No. 3, May-June 2000

rbcells.jpg        432 x 389                Photomicrograph of human red
                                            blood cells in a slightly
                                            hypotonic solution that
                                            increases their volume.
                                            (Image courtesy of Michael
                                            J.  Davis, Ph.D., College of
                                            Medicine, Texas A&M University) 

rockland.png       320 x 461                24-bit PNG image of a
                                            saturation composite produced
                                            over a 24 hour period in
                                            Rockland, Maine

rose.jpg           227 x 149                24-bit JPEG image

shifted_endocell.png 615 x 416              Shifted endocell.png image file

sine_waves.txt     n/a                      An ASCII data file containing
                                            data combined from the chirp.dat
                                            file and the damp_sn.dat file

states.dbf         n/a                      Database table for example
                                            ESRI shapefile 'states'

states.shp         n/a                      Example ESRI shapefile

states.shx         n/a                      Index file for example
                                            ESRI shapefile 'states'

surface.dat        350 x 450 x 1 x 16       The Maroon Bells elevation data
                                            from the marbells.dat file
                                            stored as integer data in this
                                            binary file

test_gs.sid        n/a                      An example MrSID file                       
us_test.dcm        640 x 480 x 1 x 8        RGB color-by-plane ultrasound
                                            image (stored in DICOM format)

vattr_example.hdf  n/a                      Scientific Data Format
                                            (HDF) example file with
                                            VData attributes

worldelv.dat       360 x 360 x 1 x 8        World Elevation data


