[OSM-talk] This side, that side

Iván Sánchez Ortega ivansanchez at escomposlinux.org
Fri Apr 6 10:35:05 BST 2007


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El Jueves 05 de Abril de 2007 16:20, Robert (Jamie) Munro escribió:
> Which is why I'd advocate something like:
>
> name_north=Neville Terrace
> name_south=Selwood Terrace
>
> Either north and south or east and west, but not northeast etc. A system
> can tell which one to use because north means the side with higher
> latitude, east higher longditude. If the road is diagonal, use either.

It's better to use "left" and "right" - the renderer knows the direction of 
the segment, and is able to tell the difference between the "left" side of 
the segment and the "right" side of the segment.

And it's unambiguous - suppose we use north and south, and we have a perfectly 
vertical segment....


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Iván Sánchez Ortega <ivansanchez at escomposlinux.org>

http://acm.asoc.fi.upm.es/~mr/ 
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