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README.TXT
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1997-09-14
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SURFACE Version 2
-----------------
Contour or display a surface generated from scattered x,y,z data points
Copyright (c) 1993-1995 John Coulthard
All Rights Reserved
Description
-----------
SURFACE is a program written for MS WINDOWS which will read in a set of
scattered data points (x, y, z) which represents a surface. The program
will generate a regular grid from this data and then display the surface
as a contour map, or as a grid viewed from an arbitrary viewpoint, with
hidden lines removed. The display may be zoomed and panned using the
left mouse button. Data about features on the display may be selected
using the right mouse button.
SURFACE runs under MS WINDOWS 3.1 or later. An 80 by 80 grid
representing 1000 scattered data points will typically be gridded in 10
to 20 seconds on a 33Mhz 486. A 125 by 125 grid (the maximum allowed)
representing 15,000 data points will be gridded in less than a minute on
the same machine. This program makes no special demands on the PC and
will run on much smaller machines at a (much) slower speed. The display
may be copied to the clipboard, printed or output as a DXF file which
may be used as input to Autocad or other programs that accept that
format.
SURFACE is a lean program. Its ease of use, speed, and the fact that it
will run on very modest hardware platforms may make it attractive. It is
well suited in situations where it is desired to have a quick look at a
set of data points, for example under field conditions where only a
portable PC is available.
It is self documented through it's help facility.
Installation
------------
1. The distribution disk or .zip file contains four files:
SURFACE.EXE SURFACE.HLP README.TXT FILE_ID.DIZ
2. Copy the files SURFACE.EXE and SURFACE.HLP into the same
directory. (for example C:\SURFACE ).
3. Create an item in a program group for SURFACE by using the
Program Manager "File, New..." menu, or by dragging
SURFACE.EXE from a File Manager window to a program group.
Distribution
------------
The shareware version of SURFACE may be distributed freely. It is a
fully functional version of the program if the number of data points
input to the program is less than 100. For more than 100 data points the
shareware version will not support many functions present in the
registered version (for example copying the display to the clipboard is
disabled if more than 100 data points are input).
Registration
------------
Surface Version 2 is Shareware. To purchase a registered copy send a
bank draft or money order in the amount of $50.00 Canadian or equivalent
in US funds to the author. Include a prefered "Registration name" which
will appear in the About box of the program. Please contact the author
for information about pricing for site licenses or for educational
purposes. Please read the Disclaimer before ordering.
The registered version grants the right to use the software on one
computer at any given time.
Disclaimer
----------
Persons who are unfamiliar with machine contouring and grid generation
techniques may find articles in the June issue of Geobyte interesting.
A quote from the conclusion of the article "Contouring: Art or Science?"
by Daniel J. Tearpock, p 43, reads "...contour maps are
interpretations - they are not absolutely correct. "
DISCLAIMER OF WARRANTY
THIS SOFTWARE IS SOLD "AS IS" AND WITHOUT WARRANTIES AS TO PERFORMANCE
OR MERCHANTABILITY. THE SELLER'S SALESPERSONS MAY HAVE MADE STATEMENTS
ABOUT THIS SOFTWARE. ANY SUCH STATEMENTS DO NOT CONSTITUTE WARRANTIES
AND SHALL NOT BE RELIED ON BY THE BUYER IN DECIDING WHETHER TO PURCHASE
THIS PROGRAM.
THIS PROGRAM IS SOLD WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES
WHATSOEVER. BECAUSE OF DIVERSITY OF CONDITIONS AND HARDWARE UNDER WHICH
THIS PROGRAM MAY BE USED, NO WARRANTY OF FITNESS FOR A PARTICULAR
PURPOSE IS OFFERED. THE USER IS ADVISED TO TEST THE PROGRAM THOROUGHLY
BEFORE RELYING ON IT. THE USER MUST ASSUME THE ENTIRE RISK OF USING THE
PROGRAM. ANY LIABILITY OF SELLER OR MANUFACTURER WILL BE LIMITED
EXCLUSIVELY TO PRODUCT REPLACEMENT OR REFUND OF THE PURCHASE PRICE.
John Coulthard
3135 West 11th
Vancouver, B.C.
CANADA V6K 2M8
E-mail: w.j.coulthard@ubc.ca