[OSM-dev] Ways with 40k nodes, was: osmosis pgsql schema

[Shaun McDonald]

On 9 Nov 2008, at 03:48, Simon Ward wrote:

> On Fri, Oct 31, 2008 at 12:02:22PM +0100, Stefan de Konink wrote:
>> You are now basically working around the actual problem. Allowing  
>> partial
>> ways in the editors for the current bbox. I think hacking and  
>> breaking
>> ways is bad, duplicate information, missing tags upon edit etc. I  
>> think
>> storing ways with their tags per 'new segment' is bad too; hence the
>> reason I proposed to use an ordered relation to represent ways.
>
> I think I agree with this.  Contributors or users of the data  
> shouldn’t
> have to care at all about how big their ways (or other objects) can  
> be.
> One of the main aims for OSM is that it is easy to contribute data,
> right?  Stop making it more complex by introducing arbitrary limits
> because of technical issues, especially ones that go away when you  
> move
> to better hardware or software.  Start making things scalable.  This
> probably means having partial ways as suggested.

Actually you will find that having a limit of 2000 nodes in a way will  
make osm more scaleable. It will make it easier to use osm data on  
mobile devices, and on devices with low memory. As it is if you try  
and edit a large way in one of the current editors, you will find it  
very slow.

Shaun


-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 2433 bytes
Desc: not available
URL: <http://lists.openstreetmap.org/pipermail/dev/attachments/20081109/9f453f44/attachment.bin>