One problem I can see is that there's no way yet to redefine the
slices. Additionally, there's no way to easily jump from one set of
slices to another one nearby.
But it's a much more useful tool compared to a similar one that uses a
grid
Found this tool for organizing your planned mapping slices:
http://wiki.openstreetmap.org/wiki/MapCraft
I have created one for Marikina:
http://mapcraft.nanodesu.ru/pie/59
You can claim any slice and edit them. Priority mapping are
buildings, I will then populate housenumbers if you add
