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<p>Thanks for this feedback. In these examples, I would say that
there is still a clear delimitation of what outside and what is
inside, so can be addressed with Simple 3D buildings modelling. My
question is oriented in a particular case where you don't have a
very precise delimitation of inside/outside, like this parking lot
:</p>
<p><a class="moz-txt-link-freetext" href="https://commons.wikimedia.org/wiki/File:Parking_Building_(41640900211).jpg">https://commons.wikimedia.org/wiki/File:Parking_Building_(41640900211).jpg</a></p>
<p>As level 0 doesn't have wall, if you are near the building
"limit" you can consider being outside, but at the center of this
level you are clearly inside (covered, maybe warmer). So how can
we represent this lack of walls, but looking more like something
inside ?</p>
<p>Best regards,<br>
</p>
<pre class="moz-signature" cols="72">Adrien P.</pre>
<div class="moz-cite-prefix">Le 26/07/2019 à 13:39, Martin
Koppenhoefer a écrit :<br>
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cite="mid:CABPTjTB72bjKCJB4D7zNat4eF+zxk4tM6=TBaXJVVNO8YrsRyA@mail.gmail.com">
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<div dir="ltr" class="gmail_attr">Am Fr., 26. Juli 2019 um
13:18 Uhr schrieb Martin Koppenhoefer <<a
href="mailto:dieterdreist@gmail.com"
moz-do-not-send="true">dieterdreist@gmail.com</a>>:<br>
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<div>no, I would put it like this: the ground floor is
still part of the building, but it is outside. Like a
balcony for example. Would you say a balcony is
"inside"?</div>
</div>
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<div><br>
</div>
<div><br>
</div>
<div>I guess this was too short, here's a more exhaustive take
on the typical situations:<br>
</div>
<div><br>
</div>
<div>1. iconic building by le Corbu: <a
href="https://upload.wikimedia.org/wikipedia/de/a/af/Villa_Savoye_2015.jpg"
moz-do-not-send="true">https://upload.wikimedia.org/wikipedia/de/a/af/Villa_Savoye_2015.jpg</a>
This is a typical example for a raised modernist building.<br>
</div>
<div>the space where you can see chairs is IMHO clearly not
"indoor", I would tend to accept it is part of the building
(because it is "created"/delimited by the building and
intended as usuable space), but you could also argue it is
part of the garden, the architect even emphasizes this by
using the same pavement as for the driveway (at least it looks
like this on the picture).</div>
<div><br>
</div>
<div>These are typically cases where the building is raised
above the ground in order to make use of a covered outdoor
space, e.g. to use it as part of the garden, or to park a car,
or as common space for the residents.<br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>2. reconstruction of prehistoric raised buildings inside
the Lake of Constance: <a
href="https://upload.wikimedia.org/wikipedia/commons/2/2e/Pfahlbaumuseum_Unteruhldingen_Steinzeith%C3%A4user_Riedschachen_2010_04_10.jpg"
moz-do-not-send="true">https://upload.wikimedia.org/wikipedia/commons/2/2e/Pfahlbaumuseum_Unteruhldingen_Steinzeith%C3%A4user_Riedschachen_2010_04_10.jpg</a></div>
<div>I would tend to count the outdoor space below the "house"
as not being part of the building (conceptually, the building
is standing on legs, and while the legs are part of it, the
area where they stand could be considered as not part of it).
The area not being usable/accessible contributes to this
judgement.</div>
<div>There are similar examples all over the world, e.g. here: <a
href="http://bilder.net/bild-h%c3%bctte-urwald-orinoco-2335.jpg"
moz-do-not-send="true">http://bilder.net/bild-h%c3%bctte-urwald-orinoco-2335.jpg</a>
or here <a
href="http://www.amliebstenreisen.at/bilder/2015/02/junglebay-2-660x330.jpg"
moz-do-not-send="true">http://www.amliebstenreisen.at/bilder/2015/02/junglebay-2-660x330.jpg</a></div>
<div>These are generally cases where the building is raised
above a "hostile" environment, e.g. to protect it from water,
wild animals, enemies, or to create a level surface in an
inclined surrounding. Typically the space below is not used in
these cases. I would not consider the (unmodified / unaltered)
ground below the building to be part of the building.<br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>In all cases, I would not consider these indoor spaces,
because they can not be heated or cooled, while you may be
protected from the sun and precipitation you will still feel
more outside than inside, typically.<br>
</div>
<div><br>
</div>
<div>I acknowledge there are many different situations and you
will have to assess these individually, there will surely be a
lot of edge cases. How you see them may also depend on the
climate in the area in general, e.g. there are also lots of
houses that are neither cooled nor heated, and some may have
openings that cannot be closed rather than windows. <br>
</div>
<div><br>
</div>
<div>Cheers,</div>
<div>Martin<br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
</div>
<br>
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