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1991-05-02
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05-02-91
LOCKDWG VER 1.5 (replaces buggy VER 1.2)
(c) COPYRIGHT CADD Masters 1990, 1991
ALL RIGHTS RESERVED
This software is distributed as shareware. This means it is NOT free.
This means that you must register your copy of LOCKDWG with CADD Masters
after a 10 day trial period if you find LOCKDWG useful and you wish to
continue using it. The registration process is painless and will cost
you only $15.00. That's a small price to pay knowing that your time
and efforts spent creating your drawings will be protected from
unauthorized alterations. You will also get free updates and exciting
news about our other CADD products.
If you wish to register your copy then please just drop us a note with
your name, company name, address and a check or money order for $15.00
and we'll send you a diskette with LOCKDWG on it and a printed manual,
all with your own personal serial number.
CADD Masters 5682 Oakmont Circle Livermore, CA 94550 415-443-6980
DISCLAIMER:
CADD Masters makes no warranty of any kind, express or implied,
including without limitation, any warranties of merchantability
and or fitness for a particular purpose. CADD Masters shall not
be liable for any damages, whether direct, indirect, special or
consequential arising from a failure of this program to operate
in the manner desired by the user. CADD Masters shall not be
liable for any damage to data or property which may be caused
directly or indirectly by use of this program.
IN NO EVENT WILL CADD Masters BE LIABLE TO YOU FOR ANY DAMAGES,
INCLUDING ANY LOST PROFITS, LOST SAVINGS OR OTHER INCIDENTAL OR
CONSEQUENTIAL DAMAGES ARISING OUT OF YOUR USE OR INABILITY TO USE
THIS PROGRAM, OR FOR ANY CLAIM BY ANY OTHER PARTY FOR THESE OR ANY
OTHER REASONS.
PACKING LIST:
1. LOKDWG.ZIP containing:
A. LOCKDWG.EXE (executable file)
B. LOCKDWG.DOC (this file)
I. INTRODUCTION
LOCKDWG is an ACAD utility intended to be used for the purpose
of making it difficult for those who wish to alter an ACAD drawing
file. LOCKDWG does exactly what it sounds like - it locks an ACAD
drawing. Why lock a drawing? If you have ever had your drawing
changed by someone when you did not want it to be changed you are
among the many of us who have been waiting for this little gem.
LOCKDWG is of course not 100% tamperproof, nor is your ACAD drawing,
but LOCKDWG can make it very difficult for those who want to make
drawing changes without prior approval.
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Here's how LOCKDWG works:
First, LOCKDWG does not lock your original, it locks a copy of your
original. A new drawing is created by LOCKDWG which contains a
block of your original drawing with a 2 Z scale factor. This
makes the block permanent, i.e. it can not be exploded. Now, to
keep those creative minds busy the block name is removed from the
drawing database, so that the negative scaling can not be reversed.
That's all there is to it. The recipient of the locked drawing can
not make any changes to your drawing and all your time and effort
is protected.
II. INSTALLATION:
By now you have already unzipped the distribution copy, so we'll
move on. LOCKDWG.EXE can be placed anywhere on your hard disk,
but you must set a DOS environment variable before using LOCKDWG.
A good way to accomplish this is to add the following line to
your AUTOEXEC.BAT file:
SET DWGLOCK=C:\ACAD
Here, the DOS environment variable DWGLOCK is given a value of
C:\ACAD, but you must substitute C:\ACAD for the actual path of
ACAD.EXE on your system. If this is confusing or doesn't make
any sense to you then please consult your DOS manual or ask for
help from your computer guru. Reboot your computer. If you get
a DOS message stating:
Out of environment space
then you must increase the memory allocated to the DOS environment,
perhaps by placing the following line in your CONFIG.SYS file:
Shell=C:\Command.com /e:384 /P
where, the value assigned with /e: is the number of bytes to allocate
for the environment. The /P tells DOS to find your AUTOEXEC.BAT file
on the root directory of your boot disk and execute it.
III. USAGE:
At your friendly DOS prompt type in:
LOCKDWG DRAWING1 DRAWING2 <enter>
where:
DRAWING1 and DRAWING2 must be unique file names.
Please specify the path of these file names. No
file extension is required, .DWG wil be assumed.
Please make sure you have:
SET DWGLOCK=ACAD_PATH
in your AUTOEXEC.BAT file. Where ACAD_PATH is the
drive and directory specification for ACAD.EXE.
LOCKDWG will create DRAWING2, a locked copy of DRAWING1.
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