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- NCSA PC Show
- for the IBM PC, XT, AT, and PS/2
-
- Version 1.0
-
-
- January 1989
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- University of Illinois at Urbana-
- Champaign
-
- NCSA PC Show Version 1.0 program and
- documentation are in the public domain.
- Specifically, we give to the public domain
- all rights for future licensing of the
- program, all resale rights, and all
- publishing rights.
-
- We ask, but do not require, that the
- following message be included in all derived
- works: Portions developed at the National
- Center for Supercomputing Applications at the
- University of Illinois at Urbana-Champaign.
-
-
- User Feedback READ ME NOW
-
- If you want to see more software like NCSA PC
- Show, send us a letter, email or US mail,
- telling us what you are doing with NCSA PC
- Show. We need to know: 1) What science you
- are working onPan abstract of your work would
- be fine; and 2) How NCSA PC Show has helped
- you, for example, by increasing your
- productivity or allowing you to do things you
- could not do before.
-
- We encourage you to cite the use of NCSA PC
- Show, and any other NCSA software you have
- used, in your publications. A bibliography of
- your work would be extremely helpful.
-
- NOTE: This is a new kind of shareware. You
- share your science and successes with us, and
- we can get more resources to share more
- software like NCSA HDF with you.
-
-
- NCSA Contacts
-
- Mail all manual suggestions to: Mail user
- feedback, software suggestions and bugs
- to:
-
-
- NCSA Documentation NCSA Software
- Development
- 152 Computing Applications Bldg 152
- Computing Applications Bldg.
- 605 E. Springfield Ave. 605 E. Springfield
- Ave.
- Champaign, IL 61820 Champaign, IL 61820
-
- The email addresses are: The email addresses
- are:
-
- pubs@ncsa.uiuc.edu bugs@ncsa.uiuc.edu
- pubs@ncsavmsa.bitnet bugs@ncsavmsa.bitnet
-
-
- Disclaimer
-
- THE UNIVERSITY OF ILLINOIS GIVES NO WARRANTY,
- EXPRESS OR IMPLIED, FOR THE SOFTWARE AND/OR
- DOCUMENTATION PROVIDED, INCLUDING, WITHOUT
- LIMITATION, WARRANTY OF MERCHANTIBILITY AND
- WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.
-
-
- Trademark Acknowledgments
-
- Enhanced Graphics Adapter, Video Graphics
- Adapter, IBM PC, PC/AT, Personal System/2,
- and PC-DOS are registered trademarks of
- International Business Machines Corporation.
- Revolution 512 is a trademark of Number Nine
- Computer.
-
- i NCSA PC Show
-
- Table of Contents i
-
- National Center for Supercomputing Applications
-
- January 1989
-
-
-
-
-
-
-
-
-
-
- Table of Contents
-
-
-
-
- Introduction
- Overview vi
- About PC Show vi
- Special Features vi
- System Requirements vi
- Use of This Manual vi
-
- Chapter 1 Entering and Exiting NCSA PC Show
- Chapter Overview 1.1
- Starting PC Show 1.1
- Exiting PC Show 1.2
-
- Chapter 2 Viewing Images with NCSA PC Show
- Chapter Overview 2.1
- Displaying Multiple Images 2.1
- Animations in PC Show 2.2
-
- Chapter 3 Palettes and Palette Manipulations
- Chapter Overview 3.1
- What is a Palette? 3.1
- Palette Manipulation Command Keys 3.2
- Tables and Figures
- Table 1.1 Command Line Parameters 1.2
- Table 2.1 General Image Command Keys 2.2
- Table 3.1 Manipulation Command Keys 3.2
- Figure 2.1 General Help Screen 2.3
- Figure 2.2 Image Help Screen 2.4
- Figure 3.1 Palette Help Screen 3.4
-
- i NCSA PC Show
-
- Introduction i
-
- National Center for Supercomputing Applications
-
- January 1989
-
-
-
-
-
-
-
-
-
- Introduction
-
-
-
-
-
- Overview
-
- This introduction provides an overview of
- NCSA PC Show. The organization and use of
- this manual are described and notational
- conventions are explained.
-
-
- About PC Show
-
- NCSA PC Show Version 1.0 displays images with
- the Enhanced Graphics Adapter (EGA), the
- Video Graphics Adapter (VGA), or the
- Revolution 512 graphics card from Number Nine
- Computer (NO9). PC Show can display either
- binary raster images or images contained in
- HDF files.
-
-
- Special Features
-
- Special Features of PC Show include
-
- % display of multiple images in sequence,
- % display of HDF formatted files or binary
- raster files,
- % display with EGA, VGA, or NO9 video
- controllers,
- % manipulations of palette while image is
- displayed,
- % simultaneous storage of multiple palettes,
- and
- % animation of multiple image sequences.
-
-
- System Requirements
-
- In order to run NCSA PC Show, you need the
- following hardware:
-
- % IBM PC, PC/AT, or IBM PS/2 with one of the
- following graphics controller boards:
- Enhanced Graphics Adapter, Video Graphics
- Adapter, or Revolution 512
-
- % 320K memory for PC Show
-
- PC-DOS or MS-DOS Version 2.0 or later must
- also be installed on the machine before PC
- Show is run.
-
-
- Use of This Manual
-
- .c3.Organization
- of This Manual
- This manual is organized into three chapters.
- Each page of each chapter is given a unique
- number that consists of the chapter number, a
- period, and the number of that individual
- page (beginning with the first page of the
- chapter). For example, page 2.3 is the third
- page of the second chapter. Each chapter is
- divided into sections, and some sections are
- divided into subsections.
-
-
- .c3.Manual
- Contents
- This manual is organized into the following
- chapters and appendices:
-
- Chapter One, "Entering and Exiting NCSA PC
- Show," provides a brief discussion of the
- commands used to begin PC Show, command line
- parameters which enable special display
- options, and methods of exiting the program.
-
- Chapter Two, "Viewing Images In NCSA PC
- Show," delineates the various commands which
- concern the display of animations or multiple
- images. The chapter contains tables which
- depict two of the online help screens
- featured by PC Show.
-
- Chapter Three, "Palettes and Palette
- Manipulations," describes both the
- characteristics of various palettes and the
- commands which permit the manipulation of
- palettes.
-
-
- .c3.Typographic
- Conventions in
- This Manual
- Commands shown in courier boldface type
- represent a user entry. Program lists and
- screen displays are presented in courier
- type.
-
- Explanations of software display often
- include a printed representation of the
- screen display. These displays are shown in
- courier type.
-
- Keynames are shown in capital, boldface
- letters when it is intended that you press
- them; for example, "Press ENTER to advance
- to the Palette Help Screen."
-
- In descriptions of the various features and
- commands, a word or phrase that is used for
- the first time may be shown in italics. A
- definition or explanation of the term
- follows.
- 1.1 NCSA PC Show
-
- Entering and Exiting NCSA PC Show 1.1
-
- National Center for Supercomputing Applications
-
- January 1989
-
-
-
-
-
- 1.1 NCSA PC Show
-
- Entering and Exiting NCSA PC Show 1.1
-
- National Center for Supercomputing Applications
-
- January 1989
-
-
-
-
-
-
-
-
- Chapter 1 Entering and Exiting NCSA PC Show
-
-
-
- Chapter Overview
- Starting PC Show
- Examples of Starting PC Show
- Exiting PC Show
-
- Chapter Overview
-
- This chapter provides a brief discussion of
- the commands used to begin NCSA PC Show,
- command line parameters which enable special
- display options, and methods of exiting the
- program.
-
-
- Starting PC Show
-
- To simply display an HDF file on an EGA
- monitor, enter a command of the form:
-
- C:\ > pcshow filename
-
- Then press ENTER and the image(s) in the HDF
- file will appear on the monitor.
-
- To display a binary raster image, you must
- specify additional command line parameters.
- Table 1.1 lists the additional parameters and
- their functions. The command to display a
- binary raster image on the EGA monitor takes
- the following form:
-
- C:\ > pcshow -b xdim ydim -m
- palettefile filename
-
- where xdim and ydim are the dimensions of
- the image in pixels, palettename is the
- name of the palette you wish to have the
- image shown with, and filename is the name
- of the file containing the list of image
- files to be displayed. It is important to
- include the parameters when using binary
- files; otherwise, the screen will remain
- black and no image may be viewed.
-
- These commands are sufficient to run PC Show
- using an EGA monitor. Special display options
- become available when additional command line
- parameters are specified. Chapters 2 and 3
- discuss these options. Table 1.1 below lists
- the optional parameters.
-
-
- Table 1.1 Command Line Parameters
-
- Parameter Type Function
-
- -v Hardware Specifies VGA video controller
- card.
-
- -e Hardware Specifies EGA video controller
- card
- (Default Value).
-
- -9 Hardware Specifies NO9 video controller
- card.
-
-
- Table 1.1 Command Line Parameters (continued)
-
- Parameter Type Function
-
- -b xdim ydim File Format Specifies a list of binary
- file images
- contained in the parameter.
- (All the binary files must have x and y
- dimensions identical to those
- given in this command line.)
-
- -m palettefile File Format Specifies the name of the
- palette file to be used with binary files.
-
- -h File Format Indicates that the images are
- stored in HDF format files.
-
- -c Screen Location Centers the image on
- the screen.
-
- -p xloc yloc Screen Location Labels an x, y
- coordinate on the screen for the upper-left hand
- corner of the image.
-
- -a Miscellaneous Specifies that the HDF file of
- the images or the binary files in the list
- are to be shown as an animation, one image after
- another until all the images have been
- displayed.
-
- -s Miscellaneous Specifies that the filename
- parameter for binary files is actually the
- filename of the image, rather than the name
- for a file containing a list of the image
- filenames.
-
-
- Examples of
- Starting PC Show
- Suppose you have a list of binary images of
- the dimensions 256 by 320 in a file named
- image.lst. In order to display the images
- using the palette test.pal and centering them
- on a VGA monitor screen, you would enter the
- command:
-
- C:\ > pcshow -b 256 320 -v -c -m
- test.pal image.lst
-
- In order to display only a single binary
- file, you need to use the -s parameter. For
- example, if you wish to display on a NO9
- monitor a single binary file named image.pic
- of the dimensions 320 by 512 with the palette
- test.pal, you would enter:
-
- C:\ > pcshow -s -9 -m test.pal -b 320
- 512 image.pic
-
- If an animation is to be depicted, then the
- filename parameter must be a file containing
- the image names or an HDF file. Also, all the
- images to be animated must be of the same
- dimensions; otherwise, they will be distorted
- upon display. To display an animation of a
- binary sequence of images contained in the
- file named image.lst, you would enter:
-
- C:\ > pcshow -a -v -m pic.pal -b 320
- 320 image.lst
-
-
- Exiting PC Show
-
- To exit the program, type q while the image
- is displayed on the screen. The program
- displays the next image in the HDF file or
- the next image on the list of binary images.
- If the current image is the last or only
- image, the program returns to DOS.
-
- If you type q after viewing the final image
- and are not returned to DOS, press CONTROL-C
- to exit the program. If CONTROL-C does not
- exit the program, re-boot the computer.
- Please use the Bugs and Suggestions report
- form at the back of this manual to report any
- problems to NCSA, in order that they may be
- remedied in future releases of NCSA PC Show.
-
- 2.1 NCSA PC Show
-
- Viewing Images with NCSA PC Show 2.1
-
- National Center for Supercomputing Applications
-
- January 1989
-
-
-
-
-
- 2.1 NCSA PC Show
-
- Viewing Images with NCSA PC Show 2.1
-
- National Center for Supercomputing Applications
-
- January 1989
-
-
-
-
-
-
-
-
- Chapter 2 Viewing Images with NCSA PC Show
-
-
-
- Chapter Overview
- Displaying Multiple Images
- Animations in PC Show
- General Image Commands
- Online Help Screens
- Scrolling Through the Image
-
- Chapter Overview
-
- This chapter delineates the various commands
- which concern the display of animations or
- multiple images. The chapter contains tables
- which depict two of the online help screens
- featured by PC ShowPthe General Help Screen
- and the Image Help Screen.
-
-
- Displaying Mutiple Images
-
- The multiple image function of PC Show
- assumes that the images reside either as
- multiple images inside an HDF file or as
- members of a list in a file of image names of
- a binary file.
-
- For example, to display on a NO9 monitor the
- HDF file images.hdf, which contains multiple
- images, enter:
-
- C:\ > pcshow -9 images.hdf
-
- Notice that the command line to display
- multiple images from an HDF file does not
- differ from the command line to display a
- single image from an HDF file. This is one
- advantage of storing your images in HDF
- files.
-
- To display on an EGA monitor multiple images
- from a binary file named images.1st of the
- dimensions 256 by 320 with the palette
- test.pal, enter:
-
- C:\ > pcshow -b 256 320 -m test.pal
- images.1st
-
- when the file images.1st is a list of the
- binary images to be displayed, one image name
- per line. Such an image listing file should
- resemble the list below:
-
- myimage1.256
- myimage2.256
- testimage.256
- lastimage.256
-
- You may wish to make the extension of your
- image file the width of the image, as the
- example above demonstrates, to prompt your
- memory.
-
- The first image in the file is automatically
- displayed after entering the command to
- execute PC Show. After the first image is
- viewed, it is possible to modify the palette
- or the image using the commands listed on the
- help screens. To quit viewing the current
- image and view the next image in the file,
- type q. This will cause PC Show to advance
- automatically to the next image. In this
- manner, all the images in the file may be
- viewed once. To repeat viewing of any image
- re-execute PC Show.
-
-
- Animations in PC Show
-
- The following sections present the various
- animation and manipulation command keys in PC
- Show and describe their functions.
-
-
- General Image
- Commands
- Table 2.1 lists general commands that deal
- with the image itself. They do not concern
- the actual location of the image on the
- screen.
-
- Table 2.1
- General
- Image Command
- Keys
- Command Key Function
-
- i Displays information concerning
- the current image or animation being
- displayed. The information shown
- includes: the current x and y coordinates
- of the upper-left corner of the image, the
- x and y dimensions of the image, and
- indicates that the image is part of an
- animation and the mouse is activated, if
- such is the case.
-
- a Runs the animation sequence
- again. If the current image is not part of
- an animation sequence, the command is
- invalid, and will have no effect.
-
- k Causes PC Show to treat the
- current image as merely a single image
- and to eliminate further animation. If
- the current image is not part of an
- animation sequence, the command is
- invalid.
-
- o Toggles the VGA screen off and
- on. Does not affect other types of monitors.
-
- NOTE: Turning the VGA screen on or off
- affects neither the actual operations of the
- software, nor the retention of information
- concerning the image or its display upon the
- screen.
-
- q Displays the next image in the
- HDF file, or the next image in the list of
- binary file names. In either case, if the
- current image is the last, the program
- returns to DOS.
-
- m Activates or deactivates the
- mouse if one is present.
-
- / Slows down animation.
-
- * Speeds up animation.
-
- Table 2.1
- General
- Image Command
- Keys
- (Continued
- )
- Command Key Function
-
- , Asks for the upper-left and
- right hand corner
- (comma) coordinates and magnifies the
- image to fill the screen.
-
-
- Online Help
- Screens
- Three online help screens are available
- during program executionPthe General Help
- Screen, the Palette Help Screen, and the
- Image Help Screen. To view the General Help
- Screen, press ? while the image is displayed
- on the monitor. When you press ?, PC Show
- enters the sequence of help screens. To
- advance through the help screens, press
- ENTER; pressing any other key returns to the
- image display. For easy reference, the
- General Help Screen is presented in Figure
- 2.1.
-
- Figure 2.1
- General
- Help Screen
-
- i Shows Information About The
- Image
- a Shows Animation Again
- k Ends Animation Mode
- o Toggles VGA Screen Off Or On
- q Exits Viewing Image Or Animation
- ? Shows This Help Sequence
- m Activates/Deactivates Mouse
- / Slows Down Animation Speed
- * Speeds Up Animation Speed
- , Asks For Upper Left Hand Corner
- And Lower Right Hand Corner
- Coordinates Of An Area On The Screen To
- Magnify To Fill The Screen.
-
- PC Show does not accept commands that are
- entered while you are viewing the help
- screen. Help screen commands are valid only
- while you are viewing the image. To continue
- viewing the image, press any key but ENTER.
- If you press ENTER, PC Show advances to the
- Palette Help Screen.
-
-
- Scrolling
- Through the
- Image
- Due to the limited size of video monitors,
- often only portion of an image is displayed
- on the screen. To allow viewing of an entire
- image, scrolling functions are available.
- Figure 2.2 lists the scrolling functions as
- they are listed in the Image Help Screen.
-
- Figure 2.2
- Image Help
- Screen
-
- left arrow Moves Image Left Ten Pixels
- up arrow Moves Image Up Ten Pixels
- down arrow Moves Image Down Ten Pixels
- right arrow Moves Image Right Ten Pixels
- page up Pages Up A Full Screen On The
- Image
- page down Pages Down A Full Screen On
- The Image
- home Moves To The Upper Left Hand
- Corner Of Image
- end Moves To The Lower Right Hand
- Corner Of Image
- x Inputs X And Y Coordinates For
- Upper Left Hand Corner
-
- This help screen is only accessible by
- entering the command ? and pressing ENTER
- twice to pass both the General Help Screen
- and the Palette Help Screen.
-
- 3.1 NCSA PC Show
-
- Palettes and Palette Manipulations 3.1
-
- National Center for Supercomputing Applications
-
- January 1989
-
-
-
-
-
- 3.1 NCSA PC Show
-
- Palettes and Palette Manipulations 3.1
-
- National Center for Supercomputing Applications
-
- January 1989
-
-
-
-
-
-
-
-
- Chapter 3 Palettes and Palette Manipulations
-
-
-
- Chapter Overview
- What is a Palette?
- Palette Manipulation Command Keys
-
- Chapter Overview
-
- This chapter describes the characteristics of
- various palettes and the commands which
- permit manipulation of palettes. The online
- Palette Help Screen is also depicted for easy
- reference.
-
-
- What is a Palette?
-
- A palette is a group of data used by the
- computer to determine how the data in the
- image file is to be mapped to the set of
- available colors. The palette is arranged in
- memory as three separate arrays, each of 256
- bytes of character data. Each of the arrays
- represents one of the color components of the
- palettePred, green, or blue. Entries in each
- component array range from 0 to 255. The
- smaller values correspond to lighter shades
- and larger values correspond to darker
- shades. The color displayed on the video
- screen is a combination of red, green, and
- blue shades from individual component arrays
- indexed by the value of the data from the
- image file.
-
- The Revolution 512 board by Number Nine
- Computers provides a full 256 shades of red,
- green, and blue for each of the 256 entries
- in the palette. The VGA board by IBM provides
- only 64 shades of red, green, and blue for
- each of the 256 entries in the palette. The
- EGA board provides the same 64 shades of red,
- green, and blue, but the palette is limited
- to only 16 entries.
-
- Because the EGA palette is limited to only 16
- colors, and most image information has 256
- colors, an algorithm is required to convert
- between the two. This method uses a frequency
- count to find the colors occurring most often
- in the image data, and assigns their values
- to the first 16 entries in the palette. In
- this fashion, the image is displayed in only
- the 16 most popular colors contained in the
- data.
-
- Many of the PC Show command keys intended to
- modify the palette will not work properly for
- an image which is displayed on an EGA
- monitor. If the command fails, pressing the
- command key will not affect the palette. The
- command keys that modify the palette are
- presented in the following section.
-
- The palette is arranged in memory as three
- separate arrays of 256 bytes of character
- data corresponding to each color component.
- These arrays are modified in various ways by
- the palette manipulation command keys.
-
- NOTE: Unless otherwise noted, it is assumed
- that succeeding command keys will modify all
- components of the palette in the same manner.
-
-
- Palette Manipulation Command Keys
-
- Table 3.1 lists the command keys that
- manipulate the palette.
-
- Table 3.1 Manipulation Command Key Function
- Command Keys
- f Rotates the palette. The
- second entry replaces the
- first, the first entry replaces the
- zeroth, the zeroth the 255th, and
- so forth, until all the entries
- are moved down one increment.
- This continues until the
- SPACE BAR is pressed. You may
- control the speed of the rotation
- using the + and - command keys.
-
- b Performs the same function as
- the f command key, except that
- it rotates the palette in the
- opposite direction. The speed of the
- rotation may be controlled using the +
- and - keys.
-
- + Increases the speed of the
- rotation of the palette when the
- continuous rotation commands
- are operating.
-
- - Decreases the speed of the
- rotation of the palette when the
- continuous rotation commands
- are operating.
-
- space bar Stops the rotation of
- the palette only when the
- continuous rotation commands are
- operating. Also stops
- animations in mid- sequence.
-
- e Rotates the palette forward
- one increment.
-
- v Rotates the palette backward
- one increment.
-
- r Resets the current palette to
- the default values defined when it
- was read in. This command will affect
- all palette manipulations which
- have been performed. You may make
- the current palette the default
- palette by pressing the command key
- d.
-
-
- Table 3.1 Manipulation Command Key Function
- Command Keys
- (Continued) c Toggles the color bar on or
- off. Displays the current palette in the
- lower-left hand corner of the screen. The
- palette is represented as a color bar of
- continuous values from 0 to 255 from left to
- ight.This is useful for observing the effects of
- various palette manipulations and does not change
- the image underneath the palette.
-
- l Reads a new palette from the
- disk. If an HDF file is in use, then
- another palette is read from that
- file. If binary files are being
- used, then a palette file name is
- requested.
-
- n Advances the current palette
- to the next palette stored in
- memory. If the current palette is the
- last one in memory, this command
- advances to the first palette in
- memory.
-
- s Stores the current palette in
- the HDF file if one is in use, or
- requests a file name for the current
- palette. The convention for
- assigning names to a palette is to
- append the palette name with .pal.
-
- u Exchanges the red, green, and
- blue components of the
- current palette in the following
- fashion: the red component is
- replaced by the green component,
- the green component is replaced by
- the blue component, and the blue
- component is replaced by the red
- component.
-
- t Exchanges the entries in the
- palette end for end.That is, the
- last entry is exchanged with the
- first, the next to last is exchanged
- with the second, and so on through
- the palette.
-
- g Takes the binary value for
- each of the components and inverts
- it bit by bit; thus, a dark red
- becomes a light red and black becomes
- white.
-
- Table 3.1 Manipulations Command Key Function
- Command Keys
- (Continued) h Invokes the fiddle mode. In
- this mode, you can use the arrow keys
- modify the palette in the following way:
- up or down movement compresses or
- expands the palette, and left or right movement
- shifts the palette left or right. To view the
- help screen that lists the fiddle command
- keys, press ?. The fiddle mode command is not
- available for EGA graphics mode.
-
- d Replaces the default palette
- in memory with the current
- palette. You should store the modified
- palette before loading or switching
- palettes in order to prevent loss
- of the modifications made.
-
- p Moves the color bar on the
- screen. Prompts you to enter the
- upper-left hand corner coordinates of
- the color bar.
-
- For easy reference, the Palette Help Screen
- which displays the commands associated with
- manipulating the palette is shown in Figure
- 3.1. You can only access this help screen by
- entering the command ? and pressing ENTER to
- pass by the General Help Screen. To return to
- the image, press any key but ENTER. Pressing
- ENTER advances to the Image Help Screen.
-
-
- Figure 3.1
- Palette
- Help Screen
-
- f Rotates Palette Continuously
- Forward
- b Rotates Palette Continuously
- Backward
- + Speeds Up Palette Rotation
- - Slows Down Palette Rotation
- space bar Stops Palette Rotation
- e Rotates Palette Once Forward
- v Rotates Palette Backward
- r Resets Palette To Initial
- Settings
- c Toggles Color Bar On Or Off The
- Screen
- l Loads In A New Palette
- n Shows Next Palette In Memory
- s Stores Current Palette On Disk
- v Swaps Red, Green, And Blue
- Components Of Palette
- t Transposes Palette
- g Inverts Palette Bitwise
- h Enters Fiddle Mode
- d Makes Current Palette The
- Default Palette
- p Moves Position Of The Color Bar
-
- BUGS AND SUGGESTIONS
-
- Please notify us of any bugs you have found
- in our software and any suggestions you have
- for future releases or products.
-
- Using the report form below, mail user
- feedback, software suggestions, or bugs to:
-
- NCSA Software Development
- 152 Computing Applications Bldg.
- 605 E. Springfield Ave.
- Champaign, IL 61820
-
- Send reports regarding bugs via electronic
- mail to:
-
- bugs@ncsa.uiuc.edu
- bugs@ncsavmsa.bitnet
-
- Send reports regarding software suggestions
- or comments via electronic mail to:
-
- softdev@ncsa.uiuc.edu
-
-
- REPORT FORM
- Name:
-
- Institution:
-
-
-
- Address (Electronic)
-
-
-
- Address (U.S. Mail)
-
-
-
-
-
- Telephone: ( ) P
-
- Version of NCSA PC Show:
-
- Type machine:
-
-
- Version of system software:
-
-
- Suggestion or description of problem:
-
-