I've got some decent skills and almost enough PER*EXP to see inkroot and was wondering if it was worth going into cartography and how exactly cartography works,
I've seen the wiki but still dont quite understand how the mapping sysetm in H&H works

e.g.
When the map is made, is it a local map?
is the local map centered at the player position?
Do i have to create a new map every few steps when mapping, or does it create the map as i walk?
One other thing is how do i destroy partially build construction signs, I see alot of unbuilt and partially build firewood construction signs and was wondering how to remove the ones that have been built slightly without having to build it and burn it myself :S
Thanks!