[Talk-us] NHD Dataset

[Adam Schreiber]

On Mon, Feb 16, 2009 at 10:37 AM, Theodore Book <tbook at libero.it> wrote:
> * In some places, a lot of work has been done manually entering water
> features.  While I expect the NHD data is generally better, we have the
> tough issue of respecting other people's work (and not duplicating
> things in the database)

I would be willing do merge my own basin or compare the data first
before upload.

http://openstreetmap.org/?lat=34.636&lon=-82.845&zoom=10&layers=B000FTF

Cheers,

Adam

> * The upload speed seems to be a limiting factor - it is taking me some
> 70-80 hours to upload the one basis with bulk_upload.pl.  I am not sure
> how many basins there are in the country, but it seems as though it
> could take a year if it were all done sequentially.
>
> * The scripts I used to convert the shapefiles to OSM only supported the
> features I found in this one basin.  They should be easy to extend, (or
> someone else may have better ones), but they would need to be tested.
>
> Theodore
>
> Ian Dees wrote:
>>
>>
>> On Mon, Feb 16, 2009 at 9:00 AM, Theodore Book <tbook at libero.it
>> <mailto:tbook at libero.it>> wrote:
>>
>>     If you haven't been following the wiki page, I have been doing some work
>>     on the NHD dataset, and feel that I have gotten a decent OSM conversion
>>     of the Etowah river watershed (north and northwest of Atlanta).  I am
>>     going ahead and uploading that basin.  If you are interested in the
>>     conversion, it would be great if you could take a look at it and give me
>>     any feedback you may have.  Thanks.
>>
>>
>> Excellent work! I think the next step is to list all of the subbasins
>> and start converting/importing.
>>
>> What is everyone's opinion on waiting for the API 0.6 upgrade? I'll bet
>> we could sneak in a complete import before...
>>
>> Also, do we want to have individuals make requests for data via the NHD
>> website or should I make another DVD-data-dump request to the NHD folks
>> and import the whole thing at once?
>>
>>
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