[OSM-newbies] Coastlines & rivers

[David Groom]

> ----- Original Message ----- 
> From: David Groom
> To: Open Street Map
> Sent: Wednesday, May 09, 2007 1:09 PM
> Subject: Re: [OSM-newbies] Coastlines & rivers
> 
> 
> 
> As far as coastlines go I wouldn't make them into too long a way, 
> particularly now that the API delivers a complete way if any part of that 
> way is within a requested bounding box, otherwise you might find yourself 
> downloading an area, and finding tens of kilometres of coastline imported at 
> the same time.  Maybe limit the way to a 2 - 5 km length?

On reflection, and having looked at what I myself have done, I think I should revise my proposed lengths stated above to 5-10km, Although if the area in question is  unlikely to be viewed at a high zoom level then the coastline ways could be longer. 



> 
> These is a "proposed" map feature of waterway = riverbank which seems to be 
> in widespread use despite its "proposed" status.  For the river to render 
> correctly in Osmarender, and hence the tiles at home layer,  the two sides of 
> the riverbank need to be part of the same way, with the end of each side 
> being approximately opposite each other.
> 
> I have to admit to being unsure about the correct way to mark a wide river 
> so that it displays correctly in the mapnik layer.
> 
> David 
>
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