[R-sig-Geo] mapView: basic interactive viewing of spatial data in R

Tim Appelhans tim.appelhans at gmail.com
Fri Jul 24 13:20:07 CEST 2015

On 24.07.2015 13:13, Bernd Vogelgesang wrote:
> Hi,
> can some one tell me how I can install this package?
> Cloning and copying it to the R folder does not do it, installing in 
> from file wants to have a tar.gz.
> I usually use RStudio.
> Thanx
> Bernd

you can use library("devtools") for this. devtools is available on CRAN


That should do it

> Am 24.07.2015, 12:03 Uhr, schrieb Rainer M Krug <Rainer at krugs.de>:
>> Tim Appelhans <tim.appelhans at gmail.com> writes:
>>> Dear list members,
>>> I would like to draw your attention to a little 'project' I've been
>>> working on over the past few weeks.
>>> Using leaflet for R, I have defined some methods for spatial data (e.g.
>>> Raster*, Spatial* objects) to quickly visualise them in either the
>>> RStudio Viewer pan or the default web browser. The function I created
>>> for this is called mapView().
>>> Think of it as an interactive version of spplot()/plot() for spatial
>>> data (though less versatile). It enables zooming, paning and basic 
>>> layer
>>> queries (i.e. printing of the attributes in the @data slot of Spatial*
>>> objects + the x/y location of the feature). For Raster* objects queries
>>> are currently not available as leaflet translates the data into RGB
>>> values for display. Furthermore, background maps can be defined and
>>> multiple different spatial object layers can be overlaid.
>>> At the moment mapView() lives in our Rsenal package on github
>>> (https://github.com/environmentalinformatics-marburg/Rsenal) but 
>>> this is
>>> likely going to change at some point in the not too distant future. 
>>> This
>>> also depends on whether there is active interest in developping this
>>> sort of thing further to provide more than the current admittedly 
>>> rather
>>> limited functionality. This, however, would involve JavaScript coding
>>> which I do not have any experience with.
>>> A quick (non-interactive) intorduction can be found here:
>>> https://metvurst.wordpress.com/
>>> The full introductory article including interactive examples is
>>> published here:
>>> http://environmentalinformatics-marburg.github.io/web-presentations/20150723_mapView.html 
>>> I hope this may prove useful for some of you.
>> This looks like something I was really missing! I was always exporting
>> my spatial data into GRASS and viewing it there - but this looks really
>> brilliant! This makes out of R a very powerful command line GIS.
>> I would really like to see this functionality in a separate R package on
>> CRAN - even with only its current functionality, it is very useful!
>> Thanks a lot and keep us posted,
>> Rainer
>>> Also, if anyone is keen to get involved in taking this further, please
>>> let me know and we will see how to best proceed.
>>> Best,
>>> Tim

Tim Appelhans
Department of Geography
Environmental Informatics
Philipps Universität Marburg
Deutschhausstraße 12
35032 Marburg (Paketpost: 35037 Marburg)

Tel +49 (0) 6421 28-25957


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