source: subversion/applications/utils/osm-extract/README @ 6294

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Add licence information and improve documentation.

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1README for utils/osm-extract directory
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3
4This directory contains various scripts to extract part of an OSM file
5(e.g. the planet file).
6
7The "polygons" subdirectory contains a script that extracts based on a
8polygon or a set of polygons, as well as definitions of such polygons.
9
10The planetosm-extract-area.pl and planetosm-extract-tags.pl scripts
11extract a rectangular area and/or items based on certain tag values.
12
13osm-subset.pl does something similar but uses pre-defined bounding
14boxes as opposed to bounding boxes specified on the command line.
15
16Note: for tha AND import the code in the "polygons" subdirectory has been
17significantly expanded. It handles excluding as well as including areas, can
18read compressed planet dumps directly and can provide auxilliary data
19related to nodes included but referenced by excluded stuff. At some point
20the useful features should be ported to the other scripts also.
21
22PLEASE EXPAND AND CHANGE THIS README IF YOU MAKE CHANGES!
23
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