[Freeciv-Dev] Re: (PR#6721) A Quincuncial topology

["Jason Short" <jdorje@xxxxxxxxxxxxxxxxxxxxx>]

Marcelo Burda wrote:
>>My first question is: what is a quincuncial topology?  A little research
>>turns up
>>http://www.mapleapps.com/categories/data_analysis_stats/maplemaps/html/pierce1.html
>>but I don't think that's what you're talking about (since it involves no
>>wrapping).
> 
> yes it involve wraps And rotations
> turn the map of 
> www.mapleapps.com/categories/data_analysis_stats/maplemaps/html/pierce1.html 
> map 45°
> see: if you quit the map top right you enter top left, that is the some to 
> enter in a anoter map, top of the first and tourned 180° ( wraped and turned)

You sure?  The tiling of that map (shown at the bottom of the page) is 
equivalent to our topology 3 (torus world).  Doing it your way leads you 
to have two separate, incomplete south poles.

jason