annulus_grid

annulus_grid, a Python code which generates a grid of points over the interior of a circular annulus in 2D.

Licensing:

The computer code and data files described and made available on this web page are distributed under the MIT license

Languages:

annulus_grid is available in a MATLAB version and an Octave version and a Python version.

Related Data and Programs:

annulus_grid_test

python_grid, a Python code which generates a regular grid of points inside a variety of regions in one, two, three or many dimensions.

Reference:

1. Richard Swinbank, James Purser,
   Fibonacci grids: A novel approach to global modelling,
   Quarterly Journal of the Royal Meteorological Society,
   Volume 132, Number 619, July 2006 Part B, pages 1769-1793.

Source Code:

• annulus_grid.py, the source code.
• annulus_grid.sh, runs all the tests.
• annulus_grid.txt, the output file.

• annulus_grid_test01.xy, the coordinates of the grid points.
• annulus_grid_test01.png, an image of the points.
• annulus_grid_test02.xy, the coordinates of the Fibonacci grid points.
• annulus_grid_test02.png, an image of the Fibonacci grid points.