Num-tiles=x would indeed be better for this specific need. It is my experience that it regularly takes multiple calls to Splitter to get 2+ sub-tiles when you reduce the max-nodes by 100k for each sub-split attempt. This is what I currently do to get an optimum in tile-size vs total number of tiles. On 29/04/2014 15:09, Gerd Petermann wrote:
Hi Lambertus,
that sounds like a possible change in splitter: Instead of specifying max-nodes you may specify --num-tiles=x and splitter will try to find a split that produces excactly x tiles which are not too narrow and have a node number which is not too far from the average (but still aligned to a multiple of map units as now). So, for your script that means you don't have to find the max-nodes value.
I'll think about this again...
Gerd
Date: Tue, 29 Apr 2014 14:59:36 +0200 From: osm@na1400.info To: mkgmap-dev@lists.mkgmap.org.uk Subject: Re: [mkgmap-dev] mkgmap ToDo list
While this possibly can be solved in Splitter or Mkgmap, it could also be solved by your build-script when you add a maximum tile size check and re-split (with a lower number of max-nodes) until you get two or more sub-tiles. Granted, this adds complexity to the script but it works well for me.
On 25/04/2014 21:54, Henning Scholland wrote:
Hi Gerd,
I would like to have img-tiles which have globally nearly the same filesize, so that they use the space of devices like eTrex 10.
With my actual map I use globally the same value for max-nodes. But the size of the img-tiles differ more then factor 2. Eg. a tile in Germany is between 2 and 5 mb where a tile in China is about 10 mb. If I remove details, this difference will increase, because in Germany more objects will be removed from the img-tile then in China.
Henning
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