The advantage of the urbanism macro is that even at close up the scenes 
are looking good, like in this image.

However...

Thomas

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On 26-3-2013 9:59, Thomas de Groot wrote:
> However...

However, on the steep slopes were the city is built, one gets situations 
like in this image :-)

My solution is to create a street surface related to the highest side of 
the street, extending enough over the other side to enable the trace() 
function to place the houses there at the correct level.

Any better idea?

Thomas

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Thomas de Groot <tho### [at] degrootorg> wrote:
> On 26-3-2013 9:59, Thomas de Groot wrote:
> > However...
>
> However, on the steep slopes were the city is built, one gets situations
> like in this image :-)
>
> My solution is to create a street surface related to the highest side of
> the street, extending enough over the other side to enable the trace()
> function to place the houses there at the correct level.
>
> Any better idea?
>
> Thomas

Thomas,
If you work with GeoControl2, you can use the vectortool, it flattens out the
terrain with respect for the slope. Cann't wait to see the results.
Greetings from Holland
Bert

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>Thomas de Groot  on date 26/03/2013 10.05 wrote:
> On 26-3-2013 9:59, Thomas de Groot wrote:
>> However...
>
> However, on the steep slopes were the city is built, one gets situations
> like in this image :-)
>
> My solution is to create a street surface related to the highest side of
> the street, extending enough over the other side to enable the trace()
> function to place the houses there at the correct level.
>
> Any better idea?
>
> Thomas
>
>
In ancient cities debris and backfill land where the cause of the 
gradually raising of the ground level and such situations was not so 
unusual.
In my town the old opening of the ancient Dome is at least 4 meters 
under the present entrance.
Paolo

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On 26-3-2013 10:54, BertvdB wrote:
> If you work with GeoControl2, you can use the vectortool, it flattens out the
> terrain with respect for the slope. Cann't wait to see the results.

I am still using an older version of the program were this is not 
implemented. Maybe time to upgrade...

> Greetings from Holland
<grin> Bedankt!

Thomas

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On 26-3-2013 11:21, Paolo Gibellini wrote:
> In ancient cities debris and backfill land where the cause of the
> gradually raising of the ground level and such situations was not so
> unusual.

That is true. However, they (re)built on the remains. We are here at the 
contemporaneous living level of the town so the streets should be 
horizontal and doors fully open to them ;-)

> In my town the old opening of the ancient Dome is at least 4 meters
> under the present entrance.

Absolutely! There may be similar examples in Gancaloon too.

Thomas

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Thomas de Groot 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.

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.

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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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Christian Froeschlin <chr### [at] chrfrde> wrote:
> 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.

Interesting.  In the downtown shopping district of St. Thomas, the sidewalk, and
hence the store entrances, sometimes drop below street level; or more
accurately, the street rises above the sidewalk level.  The city was built by
the Danish in the late 1600s.  The downtown area is a narrow, two block wide
strip sandwiched between the harbor and the mountains.

The story I heard is that the king of Denmark wanted nice American-style grids
for its colonial cities.  This worked out nicely on St. Croix; however, St.
Thomas is not Denmark, so we've now got streets headed straight up the
mountains, turning into long outdoor staircases when the terrain is too steep.

I doubt that the shops are especially flood-prone, as there are news reports of
other parts of the islands flooding, but I never hear it of downtown Charlotte
Amalie (the city in St. Thomas).  It may be that, although the stores are below
street level one block inland, they are level with the waterfront, so the water
does not pool.  The worst flooding during my lifetime occurred while I was
living off-island, so I don't know how the shops coped; however, when the whole
city is under water, I don't think it matters much where your floor is in
relation to the street.  I was here for a deluge of 8 inches (20 cm) in 4 hours
in 1996, but all the floodwaters had drained by the next day.  (When you're on a
rock sticking out of the sea, rainwater doesn't stick around.  Storm surges are
a different matter.)

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On 26-3-2013 20:07, Cousin Ricky wrote:
> Christian Froeschlin <chr### [at] chrfrde> wrote:
>> 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.
>
> Interesting.  In the downtown shopping district of St. Thomas, the sidewalk, and
> hence the store entrances, sometimes drop below street level; or more
> accurately, the street rises above the sidewalk level.  The city was built by
> the Danish in the late 1600s.  The downtown area is a narrow, two block wide
> strip sandwiched between the harbor and the mountains.
>

In some cases, and I think Amsterdam too, the cellar areas beneath the 
houses were used as store rooms, kitchens, or shops. In epochs without 
fridges ;-)  that had certain advantages for food although the dampness 
probably was huge (well, depending on the areas of course). Only later, 
especially in the 19th century with the industrialisation, those cellar 
floors also became the living quarters for the very poor.

So, there are these examples, and those mentioned by Paolo, where debris 
filling gradually elevated the city level.

Thomas

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