square_test

square_test, a FreeFem++ code which tests the square() command for meshing a square region.

Licensing:

The information on this web page is distributed under the MIT license.

Reference:

• Frederic Hecht,
  New development in FreeFem++,
  Journal of Numerical Mathematics,
  Volume 20, Number 3-4, 2012, pages 251-265.

Source Code:

• square_test.edp, the FreeFem++ script;
• square_test.sh, a BASH script to run the example;
• square_test.txt, the output file;

• square_test1_mesh.png, a PNG image of a 5x5 mesh of [0,1]x[0,1];;
• square_test2_mesh.png, a PNG image of a 4x5 mesh of [0,1]x[0,1];
• square_test3_mesh.png, a PNG image of a 5x10 mesh of [4,10]x[5,12], using a linear map;
• square_test4_mesh.png, a PNG image of a 10x10 mesh of [-1,1]x[-1,1], using a nonlinear map (the Chebyshev transformation);
• square_test5_mesh.png, a PNG image of a 20x20 mesh of [-1,1]x[-1,1], with a rectangular "bite" taken out using the trunc() function.