[OSM-dev] curves

Artem Pavlenko artem.mapnik at googlemail.com
Thu Jan 3 17:45:56 GMT 2008


On 3 Jan 2008, at 16:27, Robert (Jamie) Munro wrote:

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> Artem Pavlenko wrote:
>> Hello,
>>
>> What people think about explicitly supporting curves as a part of
>> geometry model? This way we can model the world better.
>>
>> Thoughts?
>
> When I suggested this before, someone said it was patented,  
> possibly by
> either NavTeq or TeleAtlas, but I think that it would be great if we
> could do it - there are loads of places where we could replace lots of
> segments on a curved road with a single bezier curve that could be  
> much
> more accurate.

Well I'm not an expert on patents but the idea of using a combination  
of straight segments and quadratic/cubic curves to represent  
geometries is part of SVG standard. According to : http://www.w3.org/ 
Graphics/SVG/Disclosures there is no claims.

Artem

>
> Robert (Jamie) Munro
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