R help - Nov 2007 - voronoi/Delaunay/Dirichlet tessellation on sphere in R or S?

There's Renka's STRIPACK, and TRIPACK, respectively, ACM TOMS Algorithms
772 and 751, and there's the R package "deldir" which does the
Delaunay
for a plane, but does anyone have or know of the tessellation in R for a
sphere?

Also, is there a standard indexing scheme for Delaunay facets, and
perhaps of edges in such facets?  I'd expect that to be a publication
reference, or even textbook.

TIA,

 - Jan



	[[alternative HTML version deleted]]

Hi Jan,
In case you don't know it already, the reference book for Voronoi diagrams 
and co. is :
Spatial Tessellations: Concepts and Applications of Voronoi Diagrams
by Okabe et al. (Ed. Wiley). It's a bit old now ... but it's 'a'
good
reference.
HTH,
Best regards,
Fran?ois

----- Original Message ----- 
From: "Galkowski, Jan" <jgalkows at akamai.com>
To: <r-help at r-project.org>
Sent: Tuesday, November 27, 2007 5:51 PM
Subject: [R] voronoi/Delaunay/Dirichlet tessellation on sphere in R or S?

> There's Renka's STRIPACK, and TRIPACK, respectively, ACM TOMS
Algorithms
> 772 and 751, and there's the R package "deldir" which does
the Delaunay
> for a plane, but does anyone have or know of the tessellation in R for a
> sphere?
>
> Also, is there a standard indexing scheme for Delaunay facets, and
> perhaps of edges in such facets?  I'd expect that to be a publication
> reference, or even textbook.
>
> TIA,
>
> - Jan
>
>
>
> [[alternative HTML version deleted]]
>
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