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TECHVIEW.DOC
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1993-02-02
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TechView Shareware Version 2.1
(C) 1992-3 Technalysis Limited. All rights reserved.
Table of Contents
1. What do I need to run TechView ?
2. File checklist
3. What is TechView ?
4. How do I use TechView ?
5. How can I use TechView with a spreadsheet or database ?
6. What will I use TechView for ?
7. What does TechView cost ?
8. Can you take my picture ?
9. Tips for linking picture files into databases.
Appendix A. What is Shareware ?
Appendix B. Technalysis License Agreement
Appendix C. Super VGA Support
TechView is distributed by "Technalysis Limited" as Shareware. This
means that it is not free, even if you have already paid an amount for
obtaining a copy of this product from a Shareware supplier. The
Shareware concept is explained in Appendix A. Our licensing policy is
outlined in Appendix B.
___________________
1. WHAT DO I NEED TO RUN TechView ?
An IBM compatible PC, preferably a 386sx or faster running
MS-DOS 3.x, 4.x or 5.x . A Super VGA card (not VGA) and color monitor.
See Appendix C for further details about supported SVGA cards.
___________________
2. FILE CHECKLIST
FILE_ID.DIZ BBS/Software Catalog Summary
TECHVIEW.DOC TechView Documentation (and introduction)
MANUAL.DOC Quick reference manual
ORDER.FRM TechView order form
PHOTO.FRM Postal Digitizing order form
TECHVIEW.EXE TechView 2.1
GO.BAT Start demonstration data base
DEMO.EXE Demo data base program
DEMO.DBW Demo database files
DEMO1.DAT Demo database files
DEMO1.K1 Demo database files
DEMO1.K2 Demo database files
DBPMENU.DMU Demo database files
*.GIF Database pictures
___________________
3. WHAT IS TechView ?
An incredibly useful program for linking pictures into your database,
spreadsheet, word processor or any program that displays text. Even
this file !
______________________
4. HOW DO I USE TechView ?
You can use it now as you read this file ...
Your screen must be in 80x25 mode (25 lines of text).
(Sorry, it won't work under Microsoft Windows)
1. Exit back to DOS and type "TECHVIEW".
2. Now continue reading this file using your word processor or
file browser.
To activate TechView from your word processor, use the hotkeys:
Press Alt+LeftShift
(Hold down the Alt key and press the left shift key)
Use arrow keys to select a picture file and press the Enter key. ...
[You can select one of these: JON.GIF PAULINE.GIF ADRIAN.GIF]
Presto ! Up pops the picture.
Type ESC key to select another picture.
Type ESC key a second time to return to your word processor.
Why not try it now !
Don't forget to press ESC a SECOND TIME to get back to your word
processor. Note: The picture filename must have the extension "GIF"
for TechView to find it on the screen.
Adjusting the contrast and brightness of your display will enhance
picture quality. If you find that TechView doesn't work for your
Super VGA card, read about using VESA support in Appendix C below.
_______________________
5. HOW CAN I USE TechView WITH A SPREADSHEET OR DATABASE ?
Simple ! Say you have a data base recording details of personnel in
your office. It might include record fields such as Employee Number,
Name, Position, Date Commenced, etc. Now just add an extra record
field called "Photo" which contains the file name of the person's
picture (TONY.GIF). When you search for an employee, your data base
can display all the person's details including the name of their
picture file on the screen. With TechView loaded, you can now pop up
the person's photograph by pressing Alt+LeftShift together followed by
Enter.
Similarly, you can use TechView with your spreadsheet, by adding an
extra column containing the picture file name.
Often you can link pictures into an existing database without having
to add extra fields or change anything! Suppose you have a database
of products you sell which includes a "Comments" or "Description"
field in the product table. Just add the picture filenames as part of
the product description. You can now pop up a photo of the product
whenever you display it's description.
TechView allows you to control where the picture is displayed on the
screen so you can still read the data base or spreadsheet information
AND view the picture. We've included an example personnel data base
which displays photographs of the development team at Technalysis.
Type "GO" at the DOS prompt to see a demo employee database showing
photos of our software development team.
Previously only a few database products could provide picture support.
Now they ALL do ! Truly magic ....
__________________________
6. WHAT WILL I USE TechView FOR ?
The possibilities are endless ...
Link pictures to a data base of ...
* Personnel records
* Security ID photos
* Real Estate properties
* Holiday resorts
* Merchandise catalogues
* Insured assets
* Plant maintenance records
* Farm/Nursery management records
* Patient medical records
* Laboratory/Field samples
* Coin or other collections
* Artworks or Historical artefacts
.... the list is endless ....
Are you a school teacher or university professor ?
Add a new dimension to your computer-based training lessons. Display
pictorial examples of anything from biology to physics, geography or
history. Simply insert the picture file names (like STEVE.GIF) in your
lesson text. A picture is truly worth a thousand words !
Write your next book and put it on CD-ROM complete with pictures.
Or just for fun ... Send a letter about your holiday, including
pictures, to your friends via modem or floppy disk.
I'm sure you'll think of many more ideas as you explore the limitless
opportunities this program provides.
________________________
7. WHAT DOES TechView COST ?
$US45 for TechView or $US95 for our professional version TechViewPro.
Now that's a bargain! TechViewPro is due for release in March 1993.
Simply fill out the form in the file "ORDER.FRM" and either Fax or
mail it to us.
While the unregistered version is a fully functional non-crippled
product. The unregistered version is identical to the standard version
with the "UNREGISTERED" message removed, configuration file and network
support. If you have suggestions for features you would like to see
in TechView, write them on the back of your order form. Here's the
current list of features in TechView and TechViewPro.
TechView Version 2.1 Feature List
----------------------------------
Standard Professional
TechView TechView
Picture border in selectable color X X
Can load TechView into high memory X X
Multiple photos per database record X X
VESA VGA driver support X X
GIF file format supported X X
PCX file format supported X
Position photo in 9 positions on screen X X
Position photo anywhere on screen X X
Resize photo X
Configure via configuration file X X
Selectable Hot Keys X X
"UNREGISTERED" messages removed X X
Delay when loading TechView removed X X
Can unload TechView from memory X X
Network aware X X
Can suppress output when loading X
Aliases in place of image file names X
Pop up list of filenames for file patterns X
__________________________
8. CAN YOU TAKE MY PICTURE ?
Sure can ! We offer a professional postal photo digitizing service
for capturing quality digitized images of :-
* Color/B&W Prints
* Color/B&W Slides
* Color/B&W Transparencies
* Color/B&W Negatives
* Microfiche
* X-rays
* Live Videos
* Still Video
* All your publication media
We use high quality cameras and lighting equipment and experienced
operators. Just mail us your pictures and we'll post them back with
your images on floppy disk. Contact us for details about special bulk
order rates or urgent processing. Use the order form in the
"PHOTO.FRM" file.
__________________________
9. TIPS FOR LINKING PICTURE FILES INTO DATABASES
This next section is intended for the database developer and assumes
knowledge of database concepts. See you database manual for further
explanation of unfamiliar terms.
The simplest way to match a picture file with a data base record is to
use the primary key or record number in the picture file name. For
example if "Staff ID" is used as the primary key we might have
employee records like ...
Staff ID Name Age Salary Position Photo
-------- --------------- --- -------- -------- ---------
23142 Thunk, Fred 42 $250,000 CEO 23142.gif
87612 Gates, Bill 36 $BIG Laundry 87612.gif
45217 Brown, Tom 112 $102,006 Clerk 45217.gif
When retrieving a picture, TechView only looks at what is displayed on
the screen. This means that your database might not need to store the
photo field but simply generate it on the report or form based on the
value of the key field. This strategy unfortunately can create some
problems :-
1. Some databases may require a large number of pictures. This
can create problems as accessing files in large directories
(>150 files) can be slow. The root directory has a limit of
512 files, while subirectories have no limits (DOS 5.x).
Floppy disk root directories have smaller limits.
2. DOS filenames can only be 8 characters followed by the ".GIF"
or ".PCX" extension. This may not be enough characters to
identify the record's primary key.
3. Picture files are stored in the same directory as that used to
run the database application and this is not always
convenient.
Here are some suggestions to circumvent these problems ...
All of the above problems can be addressed by placing picture files in
multiple directories. To access the files, you can either store the
directory name as part of the filename in the "Photo" database field
or better, generate it from the primary key as shown :-
Staff ID Name Age Salary Position Photo
-------- --------------- --- -------- -------- -------------
23142 Thunk, Fred 42 $250,000 CEO C:\231\42.gif
87612 Gates, Bill 36 $BIG Laundry C:\876\12.gif
45217 Brown, Tom 112 $102,006 Clerk C:\452\17.gif
In the example above, each directory will contain no more than 100
picture files. By using further subdirectories, primary keys of any
length can be converted into in a unique path for the picture filename.
For example, the key "566703HG162438ABY17219LV12" could be converted
into the path name "C:\566703HG\162438AB\Y17219LV\12".
Once again, these filenames can be generated from the primary key in
reports or forms rather than being stored in a separate database
field. This has the added advantage of being able to easily
reconfigure the disk or subdirectory where the pictures are stored.
The application program will need to be responsible for creating
directories as new staff ID's are added. As records are deleted,
their corresponding picture files may also need to be removed.
Small databases may find the DOS "APPEND" command to be a simpler
solution although it's use can affect performance of other programs.
See your MS-DOS reference manual for details.
----------------------------------------------------------------------
Appendix A. What is Shareware ?
Shareware distribution gives users a chance to try software before
buying it. If you try a Shareware program and continue using it, you
are expected to register. Individual programs differ on details --
some request registration while others require it, some specify a
maximum trial period. With registration, you get anything from the
simple right to continue using the software to an updated program with
printed manual.
Copyright laws apply to both Shareware and commercial software, and
the copyright holder retains all rights, with a few specific
exceptions as stated below. Shareware authors are accomplished
programmers, just like commercial authors, and the programs are of
comparable quality. (In both cases, there are good programs and bad
ones!) The main difference is in the method of distribution. The
author specifically grants the right to copy and distribute the
software, either to all and sundry or to a specific group. For
example, some authors require written permission before a commercial
disk vendor may copy their Shareware.
Shareware is a distribution method, not a type of software. You
should find software that suits your needs and pocketbook, whether
it's commercial or Shareware. The Shareware system makes fitting your
needs easier, because you can try before you buy. And because the
overhead is low, prices are low also. Shareware has the ultimate
money-back guarantee -- if you don't use the product, you don't pay
for it.
----------------------------------------------------------------------
Appendix B. Technalysis License Agreement
DISCLAIMER - AGREEMENT
Users of TechView must accept this disclaimer of warranty: TechView
is supplied as is. Technalysis Limited disclaims all warranties,
expressed or implied, including, without limitation, the warranties of
merchantability and of fitness for any purpose. Technalysis Limited
assumes no liability for damages, direct or consequential, which may
result from the use of TechView.
The unlicenced version of TechView is a "shareware program" and
is provided at no charge to the user for evaluation. TechView may not
be altered or reverse engineered. The unlicensed version of TechView
may not be used as part of another system.
If you continue to use TechView after 10 days, you are legally required
to make a registration payment. The registration fee will license one
copy for use on any one computer at any one time. You must treat this
software just like a book. An example is that this software may be
used by any number of people and may be freely moved from one computer
location to another, so long as there is no possibility of it being
used at one location while it's being used at another; just as a book
cannot be read by two different persons at the same time.
Network or site licence agreements are available. Licences for use in
distributed merchandise catalogs or packaginf with other products may
also be negotiated.
Anyone distributing TechView for any kind of remuneration must first
contact Technalysis for authorization. This authorization will be
automatically granted to distributors recognized by the Association of
Shareware Professionals as adhering to its guidelines for shareware
distributors, and such distributors may begin offering TechView
immediately (However the author must still be advised so that the
distributor can be kept up-to-date with the latest version of
TechView.)
You are encouraged to pass a copy of the unregistered version of
TechView along to your friends for evaluation. Please encourage them
to register their copy. Registrations give authors the incentive and
financial aid to continue developing their software. To register your
copy of TechView, print a copy of the file "ORDER.FRM", fill out the
details and Fax or Airmail it to Technalysis, AUSTRALIA.
----------------------------------------------------------------------
Appendix C. Super VGA Support
TechView requires a Super VGA card to display quality pictures (256
colors). Unfortunately Super VGA card manufacturers did not set clear
standards when designing their cards, the result is that until
recently programs such as TechView must support specialised code for
each and every chipset. To make matters worse, different cards
support different display modes (number of rows, columns and colors).
When displaying pictures, TechView attempts to uses 640x400 mode with
256 colors (VESA mode 100h) if this is not available it uses 640x480
with 256 colors which almost every card supports (VESA mode 102h).
This second choice will cause the background text to appear slightly
squashed up with a gap at the bottom of the screen.
Recently, VGA manufacturers have (at last) decided to adopt a standard
interface (called "VESA") that software developers can use. This
simply means that VGA card manufacturers supply another program that
can be loaded into memory that is unique to your video card allowing
programs like TechView to support ANY Super VGA card. We realise that
many users will not yet have such a VESA driver available so we've
included VESA support along with direct support for several of the
most common Video card chipsets.
Note: The VESA driver MUST be run before TechView is used.
In short, this means that there's a good chance TechView will support
your card without needing a VESA driver. If it doesn't, then look on
the floppy disk supplied with your VGA card for a VESA driver. Your VGA
card supplier, BBS or local computer club might also be able to assist.
We'll send a set of VESA drivers for most cards with your registration
disk so that almost every VGA card can be used! Below is a list of
cards we directly support and those for which we have VESA drivers :-
Most Super VGA cards also come with a fast Video BIOS on floppy disk
which can also enhance performance.
______________________
Supported directly by TechView (VESA not required)
Ahead A & B chipsets
Tseng
Paradise
Trident
Video 7
ATI, VGA Wonder
______________________
VESA Drivers included on registration disk.
(Supplied by card manufacturers - not supported by Technalysis)
Appian
ATI
Chips & Technology
Genoa
Oak
Orchid
Paradise
Sigma
STB
Tecmar
Trident
Video7
. o o O o o .