[OSM-dev] OpenstreetMap Trace Analysys

[John Smith]

2009/10/14 John Robert Peterson <jrp.crs at gmail.com>:
> if it's just the highways you want -- the data could easilly be filtered on
> velocity -- include only the stuff thats >30mph. (i've done this in the
> past, and it's a bit of a pain to do, but it's simple once you have it set
> up)
>
> in that case, all the superfulus stuff, as well as camp sites, tracks,
> walking paths, and other stuff with go almost completly. the only bad data
> left will be where there is a large jump in the data while stationary due to
> gps confusion, this should be rare enough that it won't be an issue. adding
> a HDOP filter of 4 should solve most of it.
>
> it all depends on how twitchy the doners are -- if they are paranoid about
> anyone finding out anything, the data is totally unusable as even vauge
> direction of travel gives some hints about the camp site locations. -- if
> they just don't want "wide publicity" of all the locations, you are good to
> upload the data raw. I suspect the answer is somewhere in the middle.
>
> I'd be happy to help with filting the data if you like.

Do you have any scripts already?