I've been struggling for a few years, on and off to extract useable subsets
from open streetmap files with very limited success. osm2pgsql produces the
best results but depends on knowing all the keys in the input file.
I have grep'd and sort -u the input to produce a list of unique key/value tags
(2.1 million of them). The next step is to process that list into an osm2psql
style file but I can't think how to automate that process.
Generic key/value lines:
========================
<tag k="107" v="96"/>
<tag k="1744_field_ref" v="143"/>
<tag k="1744_field_ref" v="94"/>
<tag k="1860name" v="Aberargie Mill (Corn & Flour)"/>
osm2pgsql style:
================
node,way building text polygon
node capital text delete #linear
node,way construction text delete #linear
I've spent the last 3 days doing it manually but only got about 10% into it and
am at the stage where I keep making mistakes.
Can sks please give me a few pointers on the nifty *nix utilities that can work
some magic on this process.
mick in glen innes
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