
 
 
Yes, it works with "beep.off=FALSE" ,
 
Thank you very much,
 
Ali Santacruz 
M.Sc. Geomatics. National University of Colombia, 
Bogota, Colombia 
E-mail: amsantac@unal.edu.co
> Date: Tue, 5 Feb 2008 16:03:39 +0300> From: p.vanbreugel@gmail.com> To: r-sig-geo@stat.math.ethz.ch> CC: amsantac@hotmail.com> Subject: Re: [R-sig-Geo] FYI: Merging GIS and statistics --- RSAGA> > Hi I encountered that problem and got in contact with the RSAGA > maintainer about this problem. He suggested the following (temporary) > solutions, which works for me:> > rsaga.geoprocessor("grid_calculus", 1, list(INPUT="dem.sgrd;brillo.sgrd", RESULT="out2", FORMUL="a/b"),beep.off = FALSE)> > In other words, include the beep.off argument, but set it to FALSE > (defaults to TRUE). Hope this helps, Paulo Message: 8 Date: Mon, 4 Feb > 2008 13:05:41 -0500 From: Al? Santacruz <amsantac@hotmail.com> Subject: > Re: [R-sig-Geo] FYI: Merging GIS and statistics --- RSAGA To: Tomislav > Hengl <hengl@science.uva.nl>, <r-sig-geo@stat.math.ethz.ch> Message-ID: > <BAY120-W29C2E140E80D0B647AD49AC9330@phx.gbl> Content-Type: text/plain > Hi, I am trying to use the Grid Calculator in SAGA, through RSAGA but I > have problems with the parameter FORMUL, I can´t get the function "a/b" > works, the functions "a+b", or "a-b", or "a*b" works, but "a/b" does > not, Any help is appreciated, see the code below for the errors > reported, thanks, Ali Santacruz M.Sc. Geomatics. National University of > Colombia, Bogota, Colombia E-mail: amsantac@unal.edu.co> > ------------------------------> > Message: 9> Date: Mon, 4 Feb 2008 19:29:37 +0100 (CET)> From: Roger Bivand <Roger.Bivand@nhh.no>> Subject: Re: [R-sig-Geo] FYI: Merging GIS and statistics --- RSAGA> To: Al? Santacruz <amsantac@hotmail.com>> Cc: r-sig-geo@stat.math.ethz.ch> Message-ID: <Pine.LNX.4.64.0802041915160.7596@reclus.nhh.no>> Content-Type: text/plain; charset="iso-8859-1"> > On Mon, 4 Feb 2008, Al? Santacruz wrote:> > > > >> > >> > > Hi,> > >> > > I am trying to use the Grid Calculator in SAGA, through RSAGA but I have > > > problems with the parameter FORMUL,> > >> > > I can?t get the function "a/b" works,> > >> > > the functions "a+b", or "a-b", or "a*b" works, but "a/b" does not,> > >> > > Any help is appreciated,> > >> > > see the code below for the errors reported,> > >> > > thanks,> > >> > > Ali Santacruz> > > M.Sc. Geomatics.> > > National University of Colombia,> > > Bogota, Colombia> > > E-mail: amsantac@unal.edu.co> > >> > >> > > ## this formula does not work:> > > >> >> rsaga.geoprocessor("grid_calculus", 1, > >> >> list(INPUT="dem.sgrd;brillo.sgrd", RESULT="out2", > >> >> FORMUL="a/b"))> >> >> C:\Users\geomatica\Desktop> >> >> C:\Users\geomatica\Documents\R\win-library\2.6\RSAGA\saga_vc\saga_cmd.exe> >> >> grid_calculus 1 -silent -INPUT dem.sgrd;brillo.sgrd -RESULT out2 > >> >> -FORMUL a\b> >> > ^^^^> > A very smokey smoking gun, isn't it? The interface is converting all > forward slash to backslash (Windows *does* respect forward slash in file > path names, so this isn't strictly needed), so you'll have to try to > escape the value until you see a/b coming through. I'm in doubt whether > you'll have any luck, though:> > ...> if (beep.off & .Platform$OS.type=="windows") {> command = gsub("/","\\",command,fixed=TRUE)> ^^^^^^^^> batch = c("net stop beep",command)> batchfilename = paste(tempfile(),".bat",sep="")> batchfile = file(batchfilename,"wt")> writeLines(batch,con=batchfile)> close(batchfile)> command = batchfilename> }> ...> > in R/RSAGA-core.R, which converts everything whether a file path or not.> > Roger> > PS. Is the RSAGA maintainer subscribed to this list?> > > > > > 
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