Hi,
> What is the best strategy to merge a huge count (e.g. 100x100 matrix)
> together with a minimum of needed memory?
You don't say what kind of files you are merging but it is possible that
the best strategy is not using Osmosis at all for this task.
If you have plain simple OSM XML files then the following will merge
them super fast:
(echo '<osm version="0.6">'; cat *osm|grep -v "<osm"|grep -v
"</osm"|grep -v "<?xml"; echo '</osm>') > newfile.osm
yes, except that you will want to grep out the <bound> elements too
since having more than one of them is not good at all (some tools might
trip over it, Osmosis will for sure):
(echo '<osm version="0.6">'; \
cat *osm|grep -v "<osm"|grep -v </osm"| \
grep -v "<?xml"; \
grep -v "<bound"; \
echo '</osm>') > newfile.osm
Of course, if you don't have <bound>s in the source files, it isn't a
problem.
Bye
Igor
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