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A harmonograph that employs virtual pendulums to draw Lissajous curves, or related drawings of greater complexity.
Latest Version
Version
2.3
Update
February 5, 2016
Size
10.42KiB
Developer
www.worldtreesoftware.com
Category
Users
261 
Rating
4.66667 ★
Manifest Version
2
Web Store Status
Extension ID
Languages Support
Permissions
Virtual Harmonograph Application
A harmonograph is a mechanical device that employs pendulums to create a geometric image. Virtual Harmonograph replaces the mechanical device with an application so you can create them right on your computer.
This application emulates a real-world harmonograph with any number of pendulums. Each pendulum has the following settings:
- Amplitude: The starting distance the pendulum swings back and forth
- Frequency: The rate at which the pendulum moves back and forth
- Decay: The rate at which the amplitude decays
- Phase: Determines the starting point of the pen
Key features:
- Can emulate a lateral harmonograph to produce simple Lissajous curves.
- Can emulate a rotary harmonograph to produce more sophisticated images like loops and flower shapes.
- Includes a rotational pendulum that rotates the drawing surface back and forth in an arc.
- Includes a number of \"pseudo-pendulums\" to control pen width, pen color, and pen opacity. Specify two values and it uses the same pendulum algorithm to move between the two values.
- Highly configurable, you can change almost everything about how the image is drawn.
- Extremely fast, but with settings to slow down the motion so you can see the image being drawn.
- Save, load, export and import harmonograph settings.
- Export generated images.
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This application emulates a real-world harmonograph with any number of pendulums. Each pendulum has the following settings:
- Amplitude: The starting distance the pendulum swings back and forth
- Frequency: The rate at which the pendulum moves back and forth
- Decay: The rate at which the amplitude decays
- Phase: Determines the starting point of the pen
Key features:
- Can emulate a lateral harmonograph to produce simple Lissajous curves.
- Can emulate a rotary harmonograph to produce more sophisticated images like loops and flower shapes.
- Includes a rotational pendulum that rotates the drawing surface back and forth in an arc.
- Includes a number of \"pseudo-pendulums\" to control pen width, pen color, and pen opacity. Specify two values and it uses the same pendulum algorithm to move between the two values.
- Highly configurable, you can change almost everything about how the image is drawn.
- Extremely fast, but with settings to slow down the motion so you can see the image being drawn.
- Save, load, export and import harmonograph settings.
- Export generated images.
Source Manifest.json
{"update_url": "https://clients2.google.com/service/update2/crx", "name": "Virtual Harmonograph", "description": "A harmonograph that employs virtual pendulums to draw Lissajous curves, or related drawings of greater complexity.", "version": "2.3", "manifest_version": 2, "icons": { "128": "128.png" }, "app": { "launch": { "web_url": "http://www.worldtreesoftware.com/apps/harmonograph/app.html" } }, "permissions": []}
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