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Tioga is a Ruby library for scientific plotting which uses pdfTeX as a renderer. This allows production of publication quality vector format graphics with almost any (La)TeX text/formulas appearing in the image:

Example of Tioga visualization: File:Http:// jpegs/opacity eos.jpg

Tioga is limited to 2D visualization. It is particulary useful for traditional function plots, 2D fields in false color, and contour plotting.

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