CGAL users discussion list

>It seems that you need to read the following introduction about offsets:
>http://www.cgal.org/Manual/3.3/doc_html/cgal_manual/Minkowski_sum_2/Chapter_ma>in.html#Section_15.3

>An offset of a polygon has circular arcs.

>See the example in the documentation cited above. Click on the names of the 
>data structures. You'll see the documentation.

Thanks, I will read it