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- Author:
- Chris Whatley
- US Mail:
- Mathematics Department
- University of Texas at Austin
- Austin, TX 78713
- Internet:
- chari@math.utexas.edu
-
- Description:
-
- Tess is an educational toy which uses the symmetries of the 17 plane
- crystallographic groups (See [1] for the math) to make pretty pictures
- using a user-defined region of a TIFF image. It is best to use a rich
- color image. See the art of M.C. Escher for more pretty pictures made
- with the same symmetries in mind.
-
- Uses:
-
- Fun and eventually there will be more online information so that this
- could be a lab in an upper division abstract algebra course to
- introduce the 17 planar groups.
-
- Development Environment: Tess was developed under NeXTStep 2.2.
-
- Installation:
-
- Tess likes to be installed in /LocalApps and looks for images in
- /LocalLibrary/Images but neither of these are required.
-
- [1] Mike Artin, Algebra. Prentice Hall. 1991
-