Simple Plotter Version 1.5           Nov 3,1993
Application Summary:

This application is a simple plotter for quick and easy generation
of X/Y plots from files of numerical data.  It runs only on an OS/2 machine
and operates from a graphical user interface.  I find myself opening
multiple instances of simple plotter within my c++ development environment.

Features:

* Support multiple plots.
* Supports cut and paste of plots between and within 
     instances of simple plotter.
* Reads arbitrary ascii and binary files of data.
* Uses separate threads for plotting and file operations.
* Uses dynamic memory for unlimited plot sizes.
* Scale adjustments for X and Y.
* Scrolling of data and zoom feature.

Latest Changes:
  Version 1.90 releases the first effort at a usable X and Y
axis with zoom and scrolling.  The axis may be moved, and are
implemented as separate windows.  Much work has been done on 
organizing the internel message passing between threads, and
the groundwork opens the way for more interesting features in
the months ahead. However, user's will see obvious improvements
in data handling that have not been made.  I intend to fix the
obvious over the next few weeks, generating vesions 1.91,1.92, ...

Operating instructions:

  1) UNZIP the file using the standard unzip utility.  The command is:
          unzip myplot

    2) Then run the application by typing:
         myplot

    3) When the application comes up on the screen, use the menu bar and
       click on the help button.


The file comes complete with a sample data file so the user should be able to
bring up a simple plot immediately by clicking on Files, then on Open in the
files sub menu. Select Myplot.dat for a test file. No DLL should be necessary.  



Future Versions:

Obviously much more work will go into version 1.X, but all concerned
with user interface and usability.

Versions 2.x:

Versions 2.x will support REXX utilities that can manipulate columns.
This will be the mechanism for customizing the simple plotter for
support of specific applications and will allow users to incorporate
custom data routines by installing them as REXX commands.

I am looking for a mathematical library to incorporate into a REXX
based signal analysis tool.  Notify me of any ideas.

Versions 2.x will support the Open Doc standard for linking to other
applications, at some point.

The major difference with this product is that the scales will become
major control objects as versions 2.X proceed.  We will be able to
link scale objects across different instances of simple plotter for
related scrolling and scale mapping.  Rexx math functions can be attached
to the scales for special mappings.  ANd other features not yet invented.


I have not yet put together an installation script, but
mainly there is only the myplot.hlp which, if not installed
properly yields an "Unable to init help" message.



Please direct questions to:

          Matt Young
         408 741 1944
              or
        kyma@compuserve.com

Or Write to:
       Zounds
       2420 Sand Hill Rd Suite 101
       Menlo Park, CA 94025

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