NAME
    App::GUI::Harmonograph - sculpting beautiful circular drawings

SYNOPSIS
    1.  start the program (harmonograph)

    2.  push help buttons (down left) to understand GUI and mechanics

    3.  move knobs to interesting configuration

    4.  push "Draw" (below right drawing board) to produce visible / full
        image

    5.  push "Save" (below left) to store image in a PNG / JPEG / SVG file

    6.  push "Write" (second row right) to safe settings into a INI file for
        tweaking them later

DESCRIPTION
    An Harmonograph is an apparatus of several connected pendula, creating
    together spiraling pictures :

Mechanics
    This is a cybernetic recreation of an Prof. Blackburns invention with
    several enhancements:

    *   third pendulum can rotate

    *   pendula can oscillate at none integer frequncies

    *   changeable amplitude damping

    *   changeable dot density and size

    *   3 types of color changes with changeable speed and polynomial
        dynamics

GUI
  Pendulum
  Line
  Colors
Workflow
  File Formats
  File Series
AUTHOR
    Herbert Breunung (lichtkind@cpan.org)

COPYRIGHT
    Copyright(c) 2022 by Herbert Breunung

    All rights reserved. This program is free software and can be used and
    distributed under the GPL 3 licence.

