[Talk-us] Percentage of data imported vs mapped

[Sven Lafebre]

Using the same command on CloudMade's pennsylvania.osm, I get  
1092728/1685382, i.e. 65%.

—Sven

On 23-Jun-10, at 12:12 , Dave Hansen wrote:

> On Wed, 2010-06-23 at 12:05 -0400, Richard Weait wrote:
>> On Wed, Jun 23, 2010 at 11:42 AM, McGuire, Matthew
>> <Matt.McGuire at metc.state.mn.us> wrote:
>>> Does anyone know the percentage of OSM data that is imported vs  
>>> mapped in
>>> the US? How does this compare to other countries?
>>
>> When TIGER was imported it dominated the database and contributed  
>> data
>> from all countries combined.  The US community is growing and
>> individual contributions are growing, but so are imports from other
>> sources.
>
> In Oregon, 48% of the objects have been most recently modified by
> non-TIGER sources.  Calculated this way:
>
> grep -o 'user="[a-zA-Z0-9]*"' oregon.osm | sort | uniq -c | sort -n  
> | grep -vi tiger | awk '{sum += $1} END { print sum;}'
> grep -o 'user="[a-zA-Z0-9]*"' oregon.osm | sort | uniq -c | sort -n  
> | awk '{sum += $1} END { print sum;}'
>
> It's higher than I expected, personally.  Not too shabby.
>
> -- Dave
>
>
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