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Dec 17, 1999, 12:14pm

It really does exist. The end of the world. Located at 32764n 32545w, I
guess 32764 is as high as it goes.

Horizons

Dec 23, 1999, 4:47pm

[View Quote] > It really does exist. The end of the world. Located at 32764n 32545w, I
> guess 32764 is as high as it goes.

The flat alpha society has been founded!

a wrap around feature on a true spherical surface should be possible.

Dec 23, 1999, 11:35pm

>
> The flat alpha society has been founded!
>
> a wrap around feature on a true spherical surface should be possible.

A spherical surface would be harder as the distance between 1w and 2w is
different depending if you are at 1n or 2n. But you can follow what was
done in Tetrisphere. They used a simple nxn grid and had it wrap in all
directions. Then they just made it look like a sphere. Our existing
worlds would work and you just make it wrap around. If you wanted a real
sphere, they would have to redesign the numbering scheme for coordinates
and make 90N and 90S the limits for latitude.


====
Aaron Hill (Redmond, Wash.)
Electronic Mail: serac at lightmail.com
IRC Nickname: serac (on EF-Net)
ICQ UIN: 46803963
ActiveWorlds
Citizenship: serac

Dec 25, 1999, 12:09am

Maybe AW is like a Mercator projection of a sphere, so that the Polar
regions spread out into the available rectangular space.

To get the effect of wrapping around, you should claim land on
opposite sides of an AW world, & use construction bots to copy your
buildings on the west edge onto the east edge at the same latitude. Then
you could put in a line of invisible & nonsolid panes, which would warp
people approaching the west edge over to the eastern buildings, facing
west (& vice versa). (Near the north pole, you pop visitors over to an
opposite longitude equally near to the north pole.)

On Mars, some people have followed this Mercator projection idea, &
settlements are labelled as 'near the Pole' or 'tropical' (the hot
part--hot for Mars, anyway). For instance, the giant volcanic peak of
Mt. Pavonis happens to be on the equator on real Mars & on Activeworlds
Mars. (The terminus for the Tharsis Railway from Valles Marineris is on
the north edge of the crater at 39n 490e 17.4a. The Space Elevator
described in Kim Stanley Robinson's Mars trilogy is on the south edge of
the crater.)

[View Quote]

Dec 28, 1999, 4:03pm

Canopus typed:

> To get the effect of wrapping around, you should claim land on
> opposite sides of an AW world, & use construction bots to copy your
> buildings on the west edge onto the east edge at the same latitude.

An improvement, however it would be a cylindrical world and rather a messy
solution.

Ideally, Riemannian Geometry would be used throughout, although local
approximation to a flat surface might be be necessary to simplify building and
reduce computation overhead.

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