[OSM-talk] All you've ever wanted to know about the french cadastre

[THEVENON Julien]

>>>> De : Frederik Ramm <frederik at remote.org>

>>>> To give an example, look at this imported building
>>>> http://www.remote.org/frederik/tmp/funnybuilding.png
>>>> Note how the main building consists of 8 separate parts plus a strange 
diagonal line, and note how the smallest parts are just about 2 metres 
wide.
>>>> Compare to the aerial image:
>>>> http://binged.it/UuYSio
>>>> A very careful tracer of the aerial image might indeed have created more 
than just one shape for this, but there is hardly anything there on the 
imagery that suggests *such* a complex edifice.
>>>> This is not an example that you only find after a long search; it is a typical cadastre import building.

It could also have been done by a guy manually drawing on top of cadastre without cross check with aerial imagery...(Ok it will make a smaller volume if manually done)
In any way using a separated account or add some tags will not prevent this case.
Do you think it will make their detection easier ?

Cheers
Julien
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