[R-sig-Geo] Hex GIS, (was) Moving-window ...

[White.Denis at epamail.epa.gov]

Does anyone know of a GIS based on a regular hexagon tessellation rather
than on squares or rectangles?  (There was a project twenty some years
ago called System X developed for the Navy by Dean Lucas that started
into commercialization but never finished as far as I know.)

r-sig-geo-bounces at stat.math.ethz.ch wrote on 2004-12-16 12:17:28:

> Stephane, have you tried how well this scales to, say, 1000x1000
> matrices? Indeed, most basic raster GIS functionality is not available

> in R packages, and would be welcome. R code is efficient for small
> problems, but for cases like this scales badly as Marius noted.
>
> We are actually working on an interface from R to the functionality of

> PCRaster (http://pcraster.geog.uu.nl -- yet another raster GIS), and
> expect to have this working within a few months. PCRaster is not open
> source, so it is unlikely to become a CRAN package straight away, but
> still it may fill a need.
>
> This all depends on availability of sp, the long awaited package with
S
> classes for spatial point, line, grid, arc/node and polygon data.
We're
> working very hard on this, and most likely will announce a beta in
> January. I expect a PCRasteR package to follow that soon.
> --
> Edzer