What Martha Cooper did for archiving graffiti on film, and Chalfant/Silver did for archiving graffiti in video, Graffiti Analysis intends to do for archiving graffiti in code.
Graffiti Analysis web site

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What Martha Cooper did for archiving graffiti on film, and Chalfant/Silver did for archiving graffiti in video, Graffiti Analysis intends to do for archiving graffiti in code.
Graffiti Analysis web site

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Graffiti Analysis 2.0: Digital Blackbook
Graffiti Analysis is an extensive ongoing study in the motion of graffiti. This custom software designed for graffiti writers creates visualizations of the often unseen gestures involved in the creation of a tag. Graffiti Analysis is available online for free in OSX, Windows and Linux. The evolution of graffiti and street art is moving at a blinding pace; just watch the video and prepare to be amazed.
-Turner Gray
(via all city blog)
Graffiti Analysis is an extensive ongoing study in the motion of graffiti. Custom software designed for graffiti writers creates visualizations of the often unseen gestures involved in the creation of a tag. Motion data is recorded, analyzed and archived as Graffiti Markup Language (.gml) files, a specifically formatted XML file designed to be a common open structure for archiving gestural graffiti motion data. GML files are saved in an open online database, 000000book.com, where writers can share analytical representations of their hand styles. Graffiti Analysis is an open source project that is available online for free in OSX, Windows and Linux. Graffiti writers are invited to capture and share their own tags, and computer programmers are invited to create new applications and visualizations of the resulting data. Since the launch of Graffiti Analysis, dozens of GML compatible applications have been built and over 10,000 tags have been uploaded to the 000000book database. What Martha Cooper did for archiving graffiti on film, and Chalfant/Silver did for archiving graffiti in video, Graffiti Analysis intends to do for archiving graffiti in code. The project aims to build the world's largest collection of graffiti motion and bring together two seemingly disparate communities that share an interest hacking systems, whether found in code or in the city.
Find out more at graffiti analysis.

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Graffiti Analysis is an extensive ongoing study into the motion of graffiti. Custom software designed for graffiti writers creates visualizations of the often unseen motion involved in the creation of a tag. Motion data is recorded, analyzed and archived in a free and open database, 000000book.com, where writers can share analytical representations of their hand styles. Influential graffiti artist such as SEEN, TWIST, AMAZE, KETONE, JONONE, and KATSU have had their tags motion captured using the Graffiti Analysis software. All tags created in Graffiti Analysis are saved as Graffiti Markup Language (GML) files, a new digital standard used by other popular graffiti applications such as Laser Tag and EyeWriter. Graffiti Analysis 3.0 is an open source project that is available online for free in OSX, Windows and Linux. Graffiti writers are invited to capture and share their own tags, and computer programmers are invited to create new applications and visualizations of the resulting data. What Martha Cooper did for archiving graffiti on film, and Chalfant/Silver did for archiving graffiti in video, Graffiti Analysis intends to do for archiving graffiti in code. The project aims to build the worlds largest archive of graffiti motion, and bring together two seemingly disparate communities that share an interest hacking systems, whether found in code or in the city.