res_grid = [posint, posint]
Specifies the number of grid points for plotting the checkered terrain. This option changes the resolution of the plot. The res_grid and res_size options are mutually exclusive.
res_size = [positive, positive]
Specifies the size of the grid for plotting the checkered terrain. This option changes the resolution of the plot. The res_grid and res_size options are mutually exclusive.
color = string or list(numeric)
Defines the terrain plot color. The default is Gray.