[Talk-us] Vegetation/landuse import

[Dan Homerick]

I'm interested in helping, but with the caveat that I don't have much free
time available to commit.

- Dan

On Wed, Dec 2, 2009 at 9:42 AM, Apollinaris Schoell <aschoell at gmail.com>wrote:

> we have some very detailed data for vegetation in California and try to
> make a plan for an import.
> Has anyone done something similar for US. Any locals interested to help?
> It's a huge dataset and needs some major work to be really useful.
> some challenges are
> - simplification to reduce number of nodes. there are many redundant nodes
> and duplicates
> - smoothing edges, resolution is ~5m grid and rendering looks ugly this
> way, some spline interpolation could really make it similar to USGS maps
> style
> - areas duplicate nodes/lines in shape files, this should be converted to
> line segments and relations to avoid duplicate lines in osm. Still no simple
> solution for that as far as I know
> - filter out useless features, urban, residential, …  areas are already
> covered in better ways and should be skipped
> - propose tagging scheme, current tags don't support all the details in
> this data but should be used as much as possible to get rendering for most
> features
> - find local experts to verify fix and upload the data.
> - documentation on the wiki
>
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