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Graffiti Analysis is now available pocket sized for everyday use with the release of the iPhone edition: DustTag v1.0!

DustTag is an iPhone application designed for graffiti writers that visualizes the motion involved in the creation of a tag. Motion data is recorded, analyzed and archived in a free and open database,, where writers can share 3-D animated representations of their hand styles. Features include: line thickness based on speed, tags rendered in 3-D based on time, rotating the phone rotates the tag in 3-D, and much more!

Download source code (OpenFrameworks)

Project page

Download from Apple App store

Graffiti Analysis: DustTag was created by Chris Sugrue and Evan Roth in OpenFramewerkz.

Note: The current version of DustTag is available for 3.1.2, but will shortly be updated for compatibility with 3.0 and higher.

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Posted on January 5, 2010


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“That was the first time i’ve drawn anything since 2003! It feels like taking a breath after being held underwater for 5 minutes.”   –Tony Quan aka Tempt One is live!!




Tony Quan, aka Tempt1, is a legendary LA graffiti writer, publisher and activist. He was diagnosed with ALS in 2003, a disease which has left him almost completely physically paralyzed… except for his eyes. Earlier this year, members of FAT, OpenFrameworks, G.R.L., The Ebeling Group and Tempt1, teamed up to create a low-cost, open source eye-tracking system that will allow ALS patients to draw using just their eyes. Check out the project along with source code, free software, diy instructables and eyetags by Tempt1 at

The EyeWriter core development team consists of Tony Quan, Evan Roth, Chris Sugrue, Zach Lieberman, Theo Watson and James Powderly.

With support from: The Ebeling Group, the Not Impossible Foundation and Parsons Communication Design & Technology.

Many thanks to: Keith Pasko, LM4K, Eleanor Dunk, Jamie Wilkinson, and Greg Leuch.

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Posted on November 14, 2009


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