I have tried to split a large part of Western Europe (6 Gb) on a modest laptop
(Win32, java -Xmx1400m) and after several hours the splitting process is
stopped:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at
uk.me.parabola.splitter.MultiTileProcessor.endMap(MultiTileProcessor.java:247)
at uk.me.parabola.splitter.Main.processMap(Main.java:817)
at uk.me.parabola.splitter.Main.writeAreas(Main.java:705)
at uk.me.parabola.splitter.Main.split(Main.java:250)
at uk.me.parabola.splitter.Main.start(Main.java:156)
at uk.me.parabola.splitter.Main.main(Main.java:145)
I couldnt see when it happened, I guess it was after the splitting process has
done several sections (8/8).
There wasn't any osm.pbf file produced, only densities-out.txt, areas.list and
areas.poly.
java -Xmx1400m -jar %SPLITTER% --output-dir=splitter --polygon-file=w-eu2.poly
--keep-complete --overlap=0 --max-areas=100 --mapid=97810001
--max-nodes=1400000 --write-kml=%areas%.kml --output=pbf
--geonames-file=cities5000.txt --description=OFM_EU w-eu.osm.pbf 2>log.txt
The w-eu.osm.pbf extract is a combined file with osm data (Benelux, Germany,
Switzerland, France, Northern Italy and Northern Spain) and contour lines.
I had no problems with a Germany extract or another Europe extract (the input
files were .05m format though, will this consume less memory?). I could try to
split the extract in 05m instead of osm.pbf. What other options can I try,
higher than 1400m is no option, java wouldnt run. Or a lower value of max-areas?
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