This is a request for a new Splitter method.

It would greatly speed-up my map generation if Splitter could use a 
split-count parameter that tells Splitter to output N tiles instead of 
having to manipulate the max-nodes and max-ways parameters to get the 
required amount of split results.

Background:
My scripts initially split the world using a high max-nodes parameter in 
order to create the tiles as large as possible.

When rendering of a split result fails (or the resulting Garmin image is 
larger then 8MB) then Splitter is called with a decreasing amount of 
max-nodes until the split action results in two or more tiles. For each 
split action the max-nodes count is reduced with 100k nodes. For some 
areas, like Paris in France, the initial tile is split about 15-16 times 
before the result is successfully rendered and passes all tests.

This takes a lot of time while most sub-splits result in only a single 
tile until the max-nodes is reduced from 1.400.000 to less then 100.000. 
So the amount of split actions would be greatly reduced if Splitter 
could simply be told to return 2 (or more) tiles.
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