Assignment 2 # Case Studies

Assignment # 2

Case studies:

For this assignment we were asked to select three case study projects that we were interested in, all three projects falling under the same category.

So for my project, I liked the idea of using fingers/ hands to operate and create some sort of interaction and affect human behavior.

All of the following projects are taken from the creative applications website (

One of the first interesting projects I came across is the Inkspace by artist Zach Lieberman.

Here are the details:

PROJECT 1: Inkspace
ARTIST:  Zach Lieberman


Drawing on screen with finger tips


The app uses special techniques to project lines in the shader so that they are volumetric.

Passes the poly line data on the shader side and computes the screen coordinates of a “ribbon” like shape to give the line depth.
It allows to even thin or thicken the line based on it’s distance away from the viewer (shader source)
Takes the data from all the 3D lines and add them to a giant arrays of points, stroke widths, etc.


3d form & animation

Follow the link to watch the video to get a better idea of how the project works in 3d form



The artist Zach used Inkspace as an experiment to re-define drawing in the 21st century using new methods of drawing on computer.

Zach’s idea is to allow users to draw on the screen in 2d but experience it in 3d form in order to give the users the experience of dimensional form. By drawings on the computer/phone screen using finger tips, the simple drawing turns 3 dimensional and the app moves and plays with the drawing so that it can even be saved as animation and shared publicly.

I like the idea of turning something as simple as the drawing interaction between our finger tips and the screen to produce something that is more interactive and dynamic(in this case visually) and can even be saved and
shared in a social media generation of today.


PROJECT 2: Sound Bow
ARTIST: Agoston Nagy

For this project I liked the idea of creating music/ sound using your finger drawn lines/ curves.


Drawing on screen


SoundBow is a sound instrument for Android devices.
The app allows one to create melodies :
Drawing curves on the screen.
-The curves are be remembered and played back continuously
-Each time your ever-looping gesture hits a string, a sound is
SoundBow is built with Processing (with native Android functions)
and the sounds are handled by the free visual patching language Pure
Data (using libPd for Android ).






The artist Agoston Nagy created Sound bow as an instrument to create music by simply drawing curves on the screen with our
finger tips.
The Curves that we draw in any shape and rhythm are recorded by the instrument in its memory while still recording the other curves we draw.

When the sound is played from the recorded curves, the overlapping or loop created by two or more curves also creates another sound.
I like the idea of using being able to use the interaction of our finger tips on the screen to draw a simple curve (or a complicate one) to create sounds. This instrument gives a fun experience to drawing by creating sound from it.



Watch how the drawn curves help create different tones to produce music.


PROJECT 3: Tune trace, Ios App
ARTIST: Ed Burton

“Tune trace interpret the lines of a drawing as lines of code so that anyone who can doodle can feel some of the
mystery and surprise of programming.” – Ed Burton

This is another interest case study project which is to do with hand drawings.

What is unique and different about this particular project is that , in this case the artist connects the real and the virtual world and so it becomes an interaction between the physical and computer screen.


Draw and Capture image on app


Tunetrace transforms the pictures of drawings into music.
The app works in three steps:
1. It traces edges in the photographs
2.Reduces them to polylines
3.use them as paths for dierent tones.

(using OpenCV and OpenFrameworks)
Created for iPhone and iPad



Create tune trace from drawing.


The artist Ed Burton uses Tune trace as a research to create a fun experience with computer.

The interaction happens by simply capturing and photographing a drawing and using the app to trace the drawing lines that the computer translates into codes of tunes.
So a drawing becomes much more than a 2 dimensional drawing, it becomes a musical instrument that plays tunes of the lines from the drawing.


I like the idea of “tracing tunes from the drawing lines”. The interactive process of creating music from what we draw and capture gives drawing an auditory dimension.

Follow the link to watch how it works:


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