[OSM-dev] Polygons in OSM don't necessarily comply to simple feature specification

Martijn van Exel mvexel at gmail.com
Wed Apr 16 23:14:24 BST 2008


Op 17 apr 2008, om 00:07 heeft Frederik Ramm het volgende geschreven:
> Hi,
>
>> yesterday a colleague approached me asking why OSM data
>> doesn't comply to the Simple Feature specification[1]
>
> I guess the honest answer is very likely that most people invovled in
> designing anything at OSM have no prior GIS experience. Most of us are
> amateurs. We design stuff that we think works, and if people say we
> don't follow standards then we say that's by design, but mostly it is
> just ignorance.
>
> And ignorance is bliss.
[..]

Frederik,

I guess this is what I thought would be the underlying train of  
thought, but thanks so much for putting it to words so well, and for  
making me laugh :)

The question I asked in return was: you could just as well filter the  
offending objects out upon importing, couldn't you? That proved hard:  
apparently SQL Server 2008 croaks when it encounters self-intersecting  
objects. Shh.

-- 
martijn van exel -+- mvexel at gmail.com -+- http://www.schaaltreinen.nl/





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