[OSM-talk] TIGER 101

[Andy Robinson]

>-----Original Message-----
>From: raphael Jacquot [mailto:sxpert at sxpert.org]
>Sent: 30 November 2006 5:29 PM
>To: Andy Robinson
>Cc: 'Ben Gimpert'; talk at openstreetmap.org
>Subject: Re: [OSM-talk] TIGER 101
>
>Andy Robinson wrote:
>> Ben,
>>
>> Thanks for the update. I think the key one to get right is the node
>reuse.
>> Grouping individual street ways parts into a single street is less
>critical
>> because it's a fairly easy task to do by hand if you need it. It's not
>> feasible to merge nodes by hand though.
>>
>> As you say the data is coarse and therefore its not really a problem to
>> consider node combination similarly. However if I look at the San
>Francisco
>> data I don't see node displacement at junctions exceeding 1 metre (in
>fact
>> significantly smaller if not the same lat and lon) so I'm guessing that
>many
>> of the street junctions do have the same lat/lon or at least very close
>to
>> it. Its very unlikely that there is a problem combining points that are
>> within that sort of radius anyway.
>>
>> Cheers
>>
>> Andy
>>
>> Andy Robinson
>> Andy_J_Robinson at blueyonder.co.uk
>
>I'll be trying to do something about this this week end...

You thinking of doing it pre or post import to the db?

Cheers

Andy