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<div class="moz-cite-prefix">Sorry, I forgotten to add this:<br>
It seems the reason is that --polygon-desc-file is not working
well any more. So main reason is, that the map is getting bigger.
You can see it in last mails attached kml-files.<br>
<br>
Henning<br>
<br>
On 18.01.2018 22:33, Henning Scholland wrote:<br>
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cite="mid:95572eb6-62af-f423-e63b-fef4f0404c8a@hscholland.de">
<pre wrap="">Hi Gerd,
I have quite bad news.
My map of China increased size about 300 mb (before 1.6 Gb, now 1.9Gb)
just by following this suggestion adding --align-for-dem=1200.
hgt-files are same, osm-data is same. bounding polygon for splitter is
same and also tiles look similar. I was using latest mkgmap (4070) for
both tests and
x-dem-dist=9942,9942,9942,19884,39768
x-overview-dem-dist=79536
South east asia increased from 1.15 to 1.4 Gb with same work flow.
I'm sorry :-(. If you need anything or if I should test something,
please let me know.
Henning
On 18.01.2018 01:42, Gerd Petermann wrote:
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<pre wrap="">Hi all,
see <a class="moz-txt-link-freetext" href="http://www.mkgmap.org.uk/websvn/revision.php?repname=splitter&rev=585">http://www.mkgmap.org.uk/websvn/revision.php?repname=splitter&rev=585</a>
If I got that right you can use dem-dist 9942 for level 0 if hgt files are in 3'' resolution and splitter
was executed with --align-for-dem=1200.
For hgt 1'' files use dem-dist 3342 for level 0 and --align-for-dem=3600.
This should reduce DEM size a lot AND increase precision.
Gerd
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