[R-sig-Geo] Square vs. honeycomb raster grids

[Roger Bivand]

On Fri, 1 Sep 2017, Bacou, Melanie wrote:

> 
> I am wondering if current R raster operations (e.g. `extract()`,
> `resample()`, distance(), etc.) can be modified to work with honeycomb
> (hexagonal) grids instead of simple square grids? This is driven by e.g.
> work at Uberhttps://www.slideshare.net/stonse/ml-and-data-science-at-uber-gitpro-talk-2
> 017, and other articles http://strimas.com/spatial/hexagonal-grids/.
> 
> I'm being asked to evaluate the pros/cons of using different tessellations,
> and wondering what's the extent of R's support for non square grids.

Please also consider taking this up with:

https://github.com/r-spatial/stars

where it is very relevant. See also the dggridR package:

https://cran.r-project.org/web/packages/dggridR/index.html

Please report back on this - it deserves to be advanced actively.

Roger

> 
> Many thanks, --Mel.
> 
>

-- 
Roger Bivand
Department of Economics, Norwegian School of Economics,
Helleveien 30, N-5045 Bergen, Norway.
voice: +47 55 95 93 55; e-mail: Roger.Bivand at nhh.no
Editor-in-Chief of The R Journal, https://journal.r-project.org/index.html
http://orcid.org/0000-0003-2392-6140
https://scholar.google.no/citations?user=AWeghB0AAAAJ&hl=en