some notes on rasterization for tile visibility testing
-rw-r--r-- 5 .gitignore
-rw-r--r-- 18043 LICENSE
-rw-r--r-- 46 Setup.hs
-rw-r--r-- 4770 TODO
drwxr-xr-x - data
drwxr-xr-x - extra
-rw-r--r-- 3247 gruff.cabal
drwxr-xr-x - src