sketch – A 3d sketch language translator

Sketch is a small, simple system for producing line drawings of two- or three-dimensional objects and scenes. It began as a way to make illustrations for a textbook after we could find no suitable tool for this purpose. Existing scene processors emphasized GUIs and/or photo-realism, neither of which was useful to us. We wanted to produce finely wrought, mathematically-based illustrations with no extraneous detail.

The input language is reminiscent of PSTricks, so will be easy for current PSTricks users to learn; output is for use either by pstricks itself, or by pgf.

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