On 26-3-2013 14:46, Christian Froeschlin wrote:
> If I understand this correctly you already have the entrance
> somewhat elevated so if the house is high enough it will simply
> show a bit of stairs. You could also associate "inverse" stairs
> with the house that get differenced away from the street, so
> the door will be partially below ground level but accessible.

The visible stairs are 'below' normal ground level as doors are 
positioned at y=0. Differencing is not impossible, but very complex in 
this context as it involves the height_field of the city, which is 
needed to trace the houses, which are needed to difference the 
height_field. See what I mean? :-)  And still, for people to be able to 
walk comfortably and drive carts along, the surface needs at least to be 
close to horizontal. I think my solution is the easiest so far (for me).

>
> Reminds me of Copenhagen: many building had this sort of half-
> submerged floor. Our stay coincided with the strongest rainfall
> since 30 years, and most of them were completely flooded.

As Paolo said, old cities often have those sunken floors, for different 
reasons.

Thomas

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