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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, both un-useful to us. We wanted to produce
finely wrought, mathematically-based illustrations with no extraneous
detail.
Sketch accepts a tiny scene description language and generates
PSTricks or TikZ/PGF code for LaTeX. The
sketch language is similar to PSTricks, making it easy
to learn for current PSTricks users. See
www.pstricks.de for information on PSTricks.
TikZ/PGF are also very similar except for details of syntax.
See
http://sourceforge.net/projects/pgf. One can easily lay raw
PSTricks or TikZ/PGF output over, in, or under
sketch drawings, providing the full power of LaTeX text and
mathematics formatting in a three-dimensional setting.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.