
Welcome to SirlinVIEW/Lite!

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DESCRIPTION
     SirlinVIEW/Lite is an AutoCAD drawing file viewer. The
     drawing file name must be specified on the DOS command
     line. The initial view is the drawing's extents. You can
     pan and zoom using the keyboard or mouse.

     This is a Shareware program. If you use it, please
     register with us. 

     Sirlin Computer also offers other more advanced products.
     Some of them are described at the end of this file.

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COMMAND-LINE USAGE
     svdwg [options] [file.DWG]
Options:
     -NOEMS          Disable use of Expanded memory
     -NOXMS          Disable use of Extended memory
     -PAPER          Force paper space view
     -MODEL          Force model space view
     -D?             Select video display mode
     -I?             Select input device

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AUXILIARY FILES
     The SirlinVIEW program needs several auxiliary system
     files to run properly. Normally, these files reside in
     the same directory as the program itself. These system
     files will be found if (a) the program directory is
     listed in the "PATH=" environment variable, or (b) the
     "SIRLIN=" environment variable is defined to point to the
     program directory.

     AutoCAD drawing files sometimes reference external files
     for shapes (text fonts) and external drawing files
     (Xrefs). The program will search for these files, first
     in the same directory as the drawing being viewed, and
     then in the path(s) defined in the "ACAD=" environment
     variable.

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KEYBOARD AND MOUSE COMMANDS

Use the mouse or keyboard to select functions.

Key                  Function

+, -                 To zoom in and out, press the + or -
                     control buttons or keys to zoom in or out.

W (Zoom Window)      To zoom to a selected area of the drawing
                     using the directional keys to move and
                     size the window, or use the mouse to
                     select the area to zoom.

Arrow keys           Use the arrow control buttons or
                     directional keys to pan around the
                     drawing. 

E (Extents)          Zoom to the drawing's extents.

O (Options)          Select viewing options.

Q (Quit)             Exit the program.

?                    Display help.

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VIEW OPTIONS

The following options are available in the View Options dialog
box. When the Ballot Box is marked (filled in), the option is
selected; when it is empty, the option is disabled.

GREEK SMALL TEXT     When selected, text which is too small to
                     read will be displayed as a line. When
                     disabled, all text will be drawn. 
                     ON = fastest redraws.

SHOW ATTRIBUTES      When selected, visible Block Attributes
                     will be displayed. When disabled, they
                     will not.
                     OFF = fastest redraws.

HIDE FROZEN LAYERS   When selected, frozen layers are not shown
                     on the screen. When disabled, frozen
                     layers will be visible (if they are not
                     hidden).
                     ON = fastest redraws.

FILL                 When selected, area fills will be drawn
                     (like in wide polylines). When disabled,
                     only the area outline is drawn.
                     OFF = fastest redraws.

WIDTH                When selected, wide polylines will be
                     drawn. When disabled, all polylines will
                     be drawn single width.
                     OFF = fastest redraws.

LINE STYLES          When selected, dash patterns will be
                     drawn. When disabled, all lines will be
                     drawn solid.
                     OFF = fastest redraws.

FLATLAND             When selected, all 3D information is
                     ignored. When disabled, 3D views and
                     objects are rendered correctly. 
                     ON = fastest redraws.

                     When a drawing is loaded, SirlinVIEW
                     detects whether the drawing contains 3D
                     objects and automatically sets the
                     FLATLAND accordingly.


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PLEASE REGISTER
     Please take the time to register this software with us.
     This will entitle you to technical support, notification
     of product updates, special offers, and new product
     announcements. 

     SPECIAL OFFER! When you register, you will receive
     discount coupons for the purchase of other Sirlin
     products!

We can be reached at:
     Sirlin Computer Corporation
     25 Orchard View Drive, Suite 14
     Londonderry, NH 03053 USA

     Phone: (603) 437-0727
     Fax:   (603) 437-0737
     BBS:   (603) 437-0765
     Compuserve: 70743,3136
     Internet:   70743.3136@compuserve.com

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DEFINITION OF 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.

DISCLAIMER - AGREEMENT
     Users of SirlinVIEW/Lite must accept this disclaimer of
     warranty: "SirlinVIEW/Lite is supplied as is. The author
     disclaims all warranties, expressed or implied,
     including, without limitation, the warranties of
     merchantability and of fitness for any purpose. The
     author assumes no liability for damages, direct or
     consequential, which may result from the use of
     SirlinVIEW/Lite."

     SirlinVIEW/Lite is a "shareware program" and is provided
     at no charge to the user for evaluation. Feel free to
     share it with your friends, but please do not give it
     away altered or as part of another system. The essence of
     "user-supported" software is to provide personal computer
     users with quality software without high prices, and yet
     to provide incentive for programmers to continue to
     develop new products. If you find this program useful and
     find that you are using SirlinVIEW/Lite and continue to
     use SirlinVIEW/Lite after a reasonable trial period, you
     must make a registration payment of $25 (USD) to Sirlin
     Computer Corporation. The $25 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.

     Commercial users of SirlinVIEW/Lite must register and pay
     for their copies of SirlinVIEW/Lite within 30 days of
     first use or their license is withdrawn. Site-License
     arrangements may be made by contacting Sirlin Computer
     Corporation.

     Anyone distributing SirlinVIEW/Lite for any kind of
     remuneration must first contact Sirlin Computer
     Corporation at the address below for authorization. This
     authorization will be automatically granted to
     distributors recognized by the (ASP) as adhering to its
     guidelines for shareware distributors, and such
     distributors may begin offering SirlinVIEW/Lite
     immediately (However Sirlin Computer Corporation must
     still be advised so that the distributor can be kept
     up-to-date with the latest version of SirlinVIEW/Lite.).

     You are encouraged to pass a copy of SirlinVIEW/Lite
     along to your friends for evaluation. When you do, please
     delete the registration file SVLITE.REG first. Please
     encourage them to register their copy if they find that
     they can use it. All registered users will receive a copy
     of the latest version of the SirlinVIEW/Lite software.

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OTHER SIRLIN PRODUCTS
     Would you like to be able to Select Layers? View other
     files formats, including DXF, PCX, TIF, and more? Print
     and Plot? Attach Notes and Redline (markup) your drawings
     for Annotation?

     Sirlin Computer Corporation produces a number of other
     exciting commercial products for the access, display, and
     management of graphics files. Products are available for
     DOS, Microsoft Windows, AutoCAD ADS, SUN UNIX/Solaris,
     and other UNIX platforms:

           * SirlinVIEW/POP
           * SirlinVIEW/SE
           * SirlinVIEW/PLUS
           * CAD++ ENGINE Developer's Toolkit
           * Other CAD utilities

SirlinVIEW/POP
     Where Viewing Becomes an Extension of Off-the-shelf
     Software

     SirlinVIEW/POP is a simple viewer which enables users to
     view CAD drawings and Raster Images at any time, with a
     press of a button, even while working in other programs.
     When run memory resident, it reads the drawing name to
     load from your application's screen! SirlinVIEW/POP lets
     you seamlessly integrate viewing features into existing
     applications, with no special programming required.
     Complete viewing support, you can pan, zoom, select
     layers and named views. Files supported: AutoCAD DWG,
     DXF, HPGL, PCX, TIF, GIF, BMP, TGA, WMF, WPG, and more!

SirlinVIEW/SE (Standard Edition)
     The Fast, Accurate, Full-Featured Intelligent Viewer

     SirlinVIEW Standard Edition is a full-featured viewing
     application that lets you quickly review and use CAD
     drawings without an expensive CAD workstation. Loading a
     drawing is as simple as selecting from a list. Or, even
     easier, by selecting a HyperLink region of one drawing to
     load another related drawing. Add notes (both graphical
     "redlines" and pop-up Posted Note cards). Print to dot
     matrix and laser printers, and plot to HPGL plotters.
     SirlinVIEW/SE supports AutoCAD's DWG files, DXF, HPGL,
     and many raster formats.

SirlinVIEW/PLUS
     Low Cost Visual Information Management Systems

     Perform "SHOW ME" queries on your drawings. Build low-
     cost GIS, FM, AEC and manufacturing systems by combining
     CAD drawings with existing database files. Lookup data
     records by clicking on locations, shown in a popup
     window. Highlight objects in the drawing which match a
     selection criteria. Also includes all the features of
     SirlinVIEW/SE. Like the other SirlinVIEW programs, does
     not require AutoCAD be loaded on your system.

Sirlin CAD++ ENGINE
     A Powerful, Modular Programmer's Toolkit

     Sirlin's CAD++ Engine is a programmer's toolkit for the
     access, manipulation, and display of popular CAD drawing
     files, including industry standard DXF and AutoCAD DWG.
     Provides database-like Sequential and Random access to
     CAD data. Search and Replace entities in drawing files.
     Programmer is shielded from variations between AutoCAD
     versions. Includes View, Print, Plot, and Pick (redline)
     modules. Supports most computer environments and
     compilers, including DOS, Extended DOS, MS Windows, and
     Sun Sparc/Solaris. 

Other Utilities
     Sirlin offers a number of other utility programs,
     including conversion between CAD and raster formats,
     attribute extracts, and more.

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SirlinVIEW is trademark of Sirlin Computer Corporation
registered with the U.S Trademark and Patent Office. AutoCAD
is a registered trademark of Autodesk Inc. 
Copyright (c) 1993 Sirlin Computer Corporation. All rights
reserved.

