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Project Summary

Level Four (L4) is a free and open source visual analytics platform. The goal is to provide a comprehensive and integrated toolset to transform raw data into visual scenarios and stories.

The project is based on three components:

L4TK : data visualization toolkit

Models: data structures Methods: filters and manipulation of data structures Views: visual representation of data structures Controls: interactivity Presentation: publishing analytical results as stills, animations, and interactive mediums L4AE : visual analysis environment

A node-based procedural modeling system for designing a data visualization pipeline A scenegraph-based management system for controlling the visual variables of data objects A rendering system for the exploration of data worlds An animation and event management system for creating interactive scenes and story representations L4G : a common grammar and design pattern approach for creating complex recipes

A standard approach to describe representations influenced by Leland Wilkinson's The Grammar of Graphics A design pattern approach for "plug-ins" to evolve the platform A provenance approach for sharing analytical pipelines for collaboration Want to contribute? Get involved - write us!

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Code Locations:
http://levelfour.googlecode.com/...
Licenses:
LGPL
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