|visits||member for||1 year, 5 months|
|seen||Dec 8 '11 at 21:24|
Mapping Irregular Quadrilateral to a Rectangle
As far as I can tell the solution you point to fails if you have a parallelogram as an input. For example, try giving it a . It's quite possible I'm not understanding something about the solution but I'd love to know what it is if you can get it to work for parallelograms.