I'm in favour of rgrass. On 02/12/2015 12:13 PM, Ahmadou Dicko wrote: > I will also cast my vote in favor of 'rgrass' because of the consistency > with other library and gis linked to R (RSAGA, rgeos, rgdal, etc.). > We can just then make sure that it works with both version of GRASS (6 > and 7). > > I also started a project (idea) a long time ago with Rainer to have > something similar to pygrass[1] in R through Rcpp > (https://github.com/RGRASS/grassRLink) in order to access the low level > GRASS API. > > I didn't have time to finish it but I will have more time this summer > and hope to work on it again. > I think it can be a good idea of GSOC for either GRASS or R. > > > > > > > [1]: http://grasswiki.osgeo.org/wiki/Python/pygrass > > > > > > > On Thu, Feb 12, 2015 at 10:51 AM, Rainer M Krug <rai...@krugs.de > <mailto:rai...@krugs.de>> wrote: > > Roger Bivand <roger.biv...@nhh.no <mailto:roger.biv...@nhh.no>> writes: > > > Question further down ... > > > > On Wed, 11 Feb 2015, Edzer Pebesma wrote: > > > >> > >> > >> On 02/11/2015 03:42 PM, Rainer M Krug wrote: > >>> Edzer Pebesma <edzer.pebe...@uni-muenster.de > <mailto:edzer.pebe...@uni-muenster.de>> writes: > >>> > >>>> On 02/11/2015 02:52 PM, Rainer M Krug wrote: > >>>>> Roger Bivand <roger.biv...@nhh.no > <mailto:roger.biv...@nhh.no>> writes: > >>>>> > >>>>>> Since I'm uncertain whether the maintainer of spacetime is on > this > >>>>>> list, I'm CC-ing him here. It might make sense to discuss this - > >>>>>> perhaps spgrass7 in the R-forge spgrass project is a logical > place to > >>>>>> support these functions? > >>>>> > >>>>> It is a brilliant idea to support spatio-temporal data in the > spgrass7 > >>>>> framework. > >>>>> > >>>>> I agree that the functions should be in spgrass7 and that they > should > >>>>> have the same interface structure as the other > read/write[RAST/VECT] > >>>>> functions. > >>>>> > >>>>> I never used the package spacetime or spatio-temporal datasets > in GRASS, > >>>>> but maybe these functions could be re-used (or at least parts > of it)? > >>>> > >>>> yes; and use the TGRASS (Cc: Soeren, the author), framework. Also, > >>>> raster stacks with time z should be of interest (Cc: Robert). > >>> > >>> Please forgive my ignorance - but is there actually an accepted (as > >>> SpatialGridDataFrame et al are accepted) object framework for these > >>> spatio-temporal datasets in R? It sounds as if there is not at > the moment? > >> > >> When is something accepted? raster and spacetime have both been > on CRAN > >> for some years, and have both been considered useful by people > >> independent from the developers. There is a SpatioTemporal task view > >> that tries to list everything possibly relevant. > >> > >>> > >>>> > >>>>> > >>>>> But this should not hold back the release of spgrass7 in it's > current > >>>>> form. > >>>> > >>>> I suggest to rename this package to "grass", supporting the current > >>>> grass release. > >>>> > >>>> Grass took 7 years to move 6 to 7; I discussed this with Markus > last > >>>> night, they might as well give up this crazy major version > release cycle > >>>> idea, with all kind of restrictions they impose on themselves. > >>> > >>> This might cause confusion. And as long as GRASS has major > versions, I > >>> think we should stick with this naming scheme. > >> > >> We don't do this with rgdal, rgeos, RSAGA, RArcInfo, and so on. > But many > >> of these have an "r" in front. This seems obsolete as they are R > >> packages, but may be helpful in sentences like "We used grass and the > >> r-package rgrass for carrying out multidimensional scaling on the > MODIS > >> imagery ...", which, without the leading r, would have the word > "grass" > >> twice in it referring to different things. > >> > >> spgrass has sp in it for historic reasons - we thought about > prefixing > >> everything with sp in the early sp days. Now sp is default, and one > >> could think about a better name. > > > > OK, I think we keep (archived) "GRASS" for the interface to GRASS 5, > > "spgrass6" for GRASS 6. As of now, we've called the development > > version "spgrass7", but arguably "rgrass" could be preferred. As GRASS > > 7 is due on Sunday, could I ask for a quick show of hands on > > "spgrass7" or "rgrass" as the name for the package to be submitted to > > CRAN (tomorrow)? We can continue to consider moving spacetime code to > > this package, but we should have the new package on CRAN matching the > > release of GRASS 7. > > The r in front makes sense - but if one looks at the changes in the > interface between GRASS 6 and GRASS 7 I would keep the 7 - so I would > suggest > > rgrass7 > > and possibly also release the (modified) spgrass6 as rgrass6, and leave > spgrass6 there for compatibility, and give a warning upon load that the > package has been superseded by rgrass6. > > This also opens the possibility of releasing a package called > > rgrass > > which then, depending on the GRASS version loaded / requested loads the > corresponding rgrassX package. > > Rainer > > > > > > > Roger > > > >> > >>> > >>> Cheers, > >>> > >>> Rainer > >>> > >>>> > >>>>> > >>>>> Cheers, > >>>>> > >>>>> Rainer > >>>>> > >>>>>> > >>>>>> Roger > >>>>>> > >>>>>> > >>>>>> On Wed, 11 Feb 2015, Veronica Andreo wrote: > >>>>>> > >>>>>>> Hi > >>>>>>> > >>>>>>> Since you are discussing the new spgrass for GRASS 7 (and since > GRASS 7 > >>>>>>> includes these great temporal modules), I was wondering if > there's any > >>>>>>> chance to include support for reading/writing spatio-temporal > data sets. > >>>>>>> > >>>>>>> At present, there are two functions in spacetime package > (read.tgrass and > >>>>>>> write.tgrass) that allows reading and writing strds, but you need > to export > >>>>>>> it from GRASS first, do the R processing you need, and then, > import it back > >>>>>>> into GRASS. To have something a bit more straightforward would be > awesome! > >>>>>>> > >>>>>>> I don't know how complicated this could be, that's why I dare to > ask :) > >>>>>>> > >>>>>>> Keep the great job you are doing!!! And thanks a lot!!! > >>>>>>> > >>>>>>> Cheers, > >>>>>>> Vero > >>>>>>> > >>>>> > >>>>> > >>>>> > >>>>> _______________________________________________ > >>>>> grass-stats mailing list > >>>>> grass-stats@lists.osgeo.org <mailto:grass-stats@lists.osgeo.org> > >>>>> http://lists.osgeo.org/mailman/listinfo/grass-stats > >>>>> > >>> > >> > >> > > -- > Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation > Biology, UCT), Dipl. Phys. (Germany) > > Centre of Excellence for Invasion Biology > Stellenbosch University > South Africa > > Tel : +33 - (0)9 53 10 27 44 > <tel:%2B33%20-%20%280%299%2053%2010%2027%2044> > Cell: +33 - (0)6 85 62 59 98 > <tel:%2B33%20-%20%280%296%2085%2062%2059%2098> > Fax : +33 - (0)9 58 10 27 44 > <tel:%2B33%20-%20%280%299%2058%2010%2027%2044> > > Fax (D): +49 - (0)3 21 21 25 22 44 > <tel:%2B49%20-%20%280%293%2021%2021%2025%2022%2044> > > email: rai...@krugs.de <mailto:rai...@krugs.de> > > Skype: RMkrug > > PGP: 0x0F52F982 > > _______________________________________________ > grass-stats mailing list > grass-stats@lists.osgeo.org <mailto:grass-stats@lists.osgeo.org> > http://lists.osgeo.org/mailman/listinfo/grass-stats > > > > > -- > Ahmadou H. DICKO > statistician economist (Ingénieur Statisticien Économiste) > PhD candidate in Climate change economics > Faculty of economics and managment - Cheikh Anta Diop University > West African Science Service Center on Climate Change and Adaptated Land > Use (WASCAL) > Center for Development Research (ZEF) - University of Bonn > email : ahmadou.di...@ucad.edu.sn <mailto:ahmadou.di...@ucad.edu.sn> > twitter : @dickoah > github : github/dickoa <https://github.com/dickoa> > tel : +221 33 827 55 16 > portable: +221 77 123 81 69
-- Edzer Pebesma Institute for Geoinformatics, University of Münster, Heisenbergstraße 2, 48149 Münster, Germany; +49 251 83 33081 Journal of Statistical Software: http://www.jstatsoft.org/ Computers & Geosciences: http://elsevier.com/locate/inca/398
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