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Poincare' Kaleidoscope Copyright (c) 2012 Blake Courter (bcourter <a> mac <-> com) Alpha 0.03 WARNING: This is barely-tested software. Using it could destroy the planet, for all we know. Usage: Poincare.exe [Path to image directory] Requires .NET Framework 4 or Mono 2.10.5 Drag inside the horizon to translate. Drag outside the horizon to rotate. To achieve a limit rotation, match the translation and rotation so a point on the horizon is fixed. Keyboard commands: F: Fullscreen. Currently experiences different behavior across platforms. Escape: Quit. p/P: Increase/Decrease vertices per polygon. q/Q: Increase/Decrease polygons per vertex. R: Reset the origin and stop all movement. Also resets framerate optimization. n/N: Advance to next/previous image. Z: Randomize p, q, and the image. I: Invert color of odd-parity regions. L: Make limit rotation. Note: p and q are equavalent to Schläfli symbol{p,q}, where (p - 2)(q - 2) > 4 for hyperbolic tessellations. References: The incredibly readable Visual Complex Analysis by Tristan Needham: http://www.amazon.com/Visual-Complex-Analysis-Tristan-Needham/dp/0198534469 Great paper on the basics of tiling the disc and a hi fidelity lookup technique: http://poincare.sourceforge.net/ Original inspiration. I used it so much I copied his shortcuts: http://www.plunk.org/~hatch/HyperbolicApplet/ Inverting generalized circle-lines: http://www.cefns.nau.edu/~schulz/moe.pdf
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