...................................
...................................
...................................
...................................
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
...............!!!!!!!!!!!!!!!.....
...............!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
...................................
...................................
...................................
...................................

[download]

The above with $d == 3 gives a weird polygon, but that's ok as long you're expecting it.

...................................
..7..............................8.
...................................
...................................
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
..3..!!!!!!!4!!!!!!!!!!!!!!!!!.....
...............!!!!!!!!!!!!!!!.....
...............!!!!!!!!!!!!!!!.....
..6..!!!!!!!5!!!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
.....!!!!!!!!!!!!!!!!!!!!!!!!!.....
...................................
...................................
..2.............................1..
...................................

[download]

In reply to Re^2: polygon buffering algorithms by ikegami
in thread polygon buffering algorithms by punkish

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