polygon_grid_test

polygon_grid_test, a FORTRAN77 code which calls polygon_grid(), which generates a grid of points over the interior of a polygon in 2D.

Licensing:

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

Related Data and Programs:

polygon_grid, a FORTRAN77 code which generates a grid of points over the interior of a polygon in 2D.

Source Code:

• polygon_grid_test.f, a sample calling program.
• polygon_grid_test.sh, BASH commands to compile and run the sample program.
• polygon_grid_test.txt, the output file.

ELL is an L-shaped (non-convex!) polygon for which the program output doesn't look too bad, although the grid is degenerate.

• ell_commands.txt, the gnuplot command file.
• ell_grid.txt, the grid point coordinates.
• ell_vertex.txt information about the polygon vertices and centroid that are used to draw boundary lines.
• ell.png a plot of the grid.
• ell.xy the grid point coordinates.

QUAD is a quadrilateral polygon.

• quad_commands.txt, the gnuplot command file.
• quad_grid.txt, the grid point coordinates.
• quad_vertex.txt information about the polygon vertices and centroid that are used to draw boundary lines.
• quad.png a plot of the grid.
• quad.xy the grid point coordinates.

TRIANGLE is a triangular polygon.

• triangle_commands.txt, the gnuplot command file.
• triangle_grid.txt, the grid point coordinates.
• triangle_vertex.txt information about the polygon vertices and centroid that are used to draw boundary lines.
• triangle.png a plot of the grid.
• triangle.xy the grid point coordinates.