[OSM-dev] openstreet map and wms

[SteveC]

On 18 Jun 2007, at 19:26, Frederik Ramm wrote:

> Hi,
>
>> Should be approximately trivial to make a WMS which just compiles  
>> existing tiles together.
>
> If you want to offer a trivial minimum WMS compliant service of  
> limited value, yes. (You'd still have to do re-scaling of the  
> bitmaps on the fly as clients can specify a geo extent *and* image  
> width/height with their request and you have to comply.)
>
> The nontrivial part is that a WMS server will usually allow the  
> caller to also specify the desired projection, and the server is  
> expected to comply. You can cheat your way out of the projection  
> issue by announcing to the client that you only speak one specific  
> projection (this will then lead to clients having to do re- 
> projection based on bitmaps, uglifying all the fonts and so on).

Well that's the thing isn't it, a standard that allows everyone to do  
anything at any time in any way. Any why doesn't anyone implement it,  
damn it?

have fun,

SteveC | steve at asklater.com | http://www.asklater.com/steve/


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