Re: [R] How to produce rainfall maps

2017-11-25 Thread Micha Silver
Hi On 11/23/2017 10:04 AM, Stefano Sofia wrote: Thank you Sarah and Mike for your explanations. My final objective is to produce maps (png image or any kind of extension I can import in LaTeX) where rainfall data are interpolated, using the Inverse Distance method or Kriging. My input file (po

Re: [R] How to produce rainfall maps

2017-11-23 Thread Stefano Sofia
fano Sofia; r-help@r-project.org Oggetto: Re: [R] How to produce rainfall maps Fwiw the engine behind geom_raster needs explicit observation-per-row form for input (with no structural normalization), so conversion to points is perfectly proper here, albeit confusing in context. (It's

Re: [R] How to produce rainfall maps

2017-11-22 Thread Michael Sumner
Fwiw the engine behind geom_raster needs explicit observation-per-row form for input (with no structural normalization), so conversion to points is perfectly proper here, albeit confusing in context. (It's closer to what graphics devices actually use ultimately, but the expansion is laid out very

Re: [R] How to produce rainfall maps

2017-11-21 Thread Sarah Goslee
Hi, You might get more help from the R-sig-geo list, which is devoted to spatial topics. However. The *.asc file is an ArcGIS raster export format. You should use whatever the appropriate import commands are for your own gridded rainfall data. If you have a different format, you might or might n

[R] How to produce rainfall maps

2017-11-17 Thread Stefano Sofia
Dear R users, I need to produce rainfall maps using R. I know that this is possible, I looked though the web, I found the example below reported (the author is Andrew Tredennick). I would ask you if this is the most performing way to make rainfall maps; if yes would someone be able to give me an