Subset tiles using the single bracket operator. Subset geometry (tiles, buffs or nbuffs) using the double brackets
# S4 method for tileScheme,character,ANY
[(x, i, j, ..., drop = TRUE)# S4 method for tileScheme,numeric,numeric
[(x, i, j, ..., drop = TRUE)
# S4 method for tileScheme,numeric,missing
[(x, i, j, ..., drop = TRUE)
# S4 method for tileScheme,missing,numeric
[(x, i, j, ..., drop = TRUE)
# S4 method for tileScheme,character,missing
[[(x, i, j, ..., exact = TRUE)
a 'tileScheme' object
indices specifying elements to extract
arguments not used for 'tileScheme'