Dear Developers
Am 08.06.2011 13:47, schrieb Frederik Ramm:
For example, there's "osmconvert"
(http://wiki.openstreetmap.org/wiki/Osmconvert), a tool that can
read/write OSM, apply diffs, do bounding box, polygon, and tag
filtering, and people published benchmarks in the forum where that
program was almost 5 times as fast as Osmosis. The program is certainly
not a marvel of software design (6000 lines of rather unreadable C code
in one source file, and it uses NO LIBRARIES except lz, not even an XML
parser or a geo library or Protobuf code - all hand-coded)
Whoooo.. What a brave approach! To all developers that don't feel like
hand-coding pbf reading: take a look at osmium! Building a
Read-Filter-Write Tool is a matter of some dozens of lines, take a look
at the osmium_convert tool which does a simple Read-Write but with
anchor points to add filtering with ease.
And: osmium is fast! I'm able to read a full-history pbf, cut its
contents into 5 BBoxes (of the size of germany or france) and write them
back to 5 pbfs within *one hour*
- but still,
it seems to have a growing user base because it is fast and can be
easily installed/compiled everywhere.
Well, yep. Osmium has a wide range of requirements of which most aren't
really required, but installing them on debian or ubuntu is a
fire-and-forget thing.
Peter
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