That looks cool but actually sucks for map's because it does not handle edge transitions well. The according method which most maps use is designed so you can open a reasonably arbitrary section of map at the same time which is important when you want to do things like compare routes which cover 4 folds at the same time. All the while being able to quickly flip it over and see what's on the other side.
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I found the link here:http://www.cartesia.org/geodoc/icc2005/pdf/oral/TEMA3/Sessio..., and the map-folding concept described there is pretty sweet.
That looks cool but actually sucks for map's because it does not handle edge transitions well. The according method which most maps use is designed so you can open a reasonably arbitrary section of map at the same time which is important when you want to do things like compare routes which cover 4 folds at the same time. All the while being able to quickly flip it over and see what's on the other side.