[Qgis-user] RE: manageR doesn't work well

[burton449]

Good day and thank you Vaclav,

I added R folder in the PATH environment variable but its not helping me with my problem. Actually, manageR can be loader correctly in QGIS but when I try to import a shapefile with the tool Import Layer from Canvas, I cannot perform analysis on this data. It seems manageR cannot load the data which is a simple polygon shapefile with an attribute table of strings and numbers. When I type ls() or objects() in manageR I got the awnser character(0) which means there is no variable loaded.

Im on Windows 7 32bit, QGIS 1.7.0 R 2.11.0 and Rpy2 2.0.3-1

Anybody have successfuly performed an analysis on a shapefile with manageR ?
Date: Mon, 23 May 2011 02:42:11 -0700
From: ml-node+6393737-1266345095-336498 at n2.nabble.com
To: burton.1 at sympatico.ca
Subject: RE: manageR doesn't work well



	Hi,


a very common source of problems with R and QGIS is not having the

"bin" folder of C:\Program Files\R-x.y in your PATH environment

variable. It is necessary and not created by R installation

automatically.


Vaclav


2011/5/22 Carson Farmer <[hidden email]>:

> hmm, Ok, well the only other thing I can think of is that you might

> need to install the following packages:

>

> install.packages(c("sp", "rgdal"))

>

> Carson

>

> On Sun, May 22, 2011 at 3:22 PM, burton449 <[hidden email]> wrote:

>> Hi Carson,

>>

>> Sorry, my mistake, I use R 2.11.0 because in this version the executable are

>> stored in a subdirectory that rpy2 can read. Newer version of R its not

>> working with rpy2. I will try your trick to change the code in the

>> __init__.py but I dont think it would solve my problem. Actually manageR is

>> loading in QGIS but its not working properly.

>>

>> Thank you

>> Maxime

>>

>> ________________________________

>> Date: Sun, 22 May 2011 06:11:10 -0700

>> From: [hidden email]

>> To: [hidden email]

>> Subject: Re: manageR doesn't work well

>>

>> Hi Maxime,

>>

>>> Im using manageR 1.0, QGIS 1.7 and 1.6 and R 1.11.0 on Windows 7

>> Are you sure you're using R 1.11.0? That's a pretty old version! Also,

>> which version of rpy2 are you using? Furthermore, I attach an email

>> from another manageR using with a possible solution for Windows 7

>> issues:

>>

>> I had a problem getting ManageR to run on QGIS 1.60 (OSGeoW4 install)

>> with R-2.12.1 (32 bit) on Windows 7 64 bit systems. Rpy2 complained

>> about not finding R.dll.

>> Newer versions of R place the executable files in a new subdirectory,

>> i386, below the bin directory on Windows 7 systems.

>>

>> After searching the net for a while, I finally found the following

>> post, which seems to fix the problem:

>> http://www.mail-archive.com/rpy-list@.../msg02779.html
>>  Try adding these two lines to rinterface/__init__.py

>>     # Load the R dll using the explicit path

>>     # First try the bin dir:

>>     Rlib = os.path.join(R_HOME, 'bin', 'R.dll')

>>     # Try bin/i386 subdirectory seen in R 2.12.0  ## ADDED ##

>>     if not os.path.exists(Rlib):                ## ADDED ##

>>       Rlib = os.path.join(R_HOME, 'bin', 'i386', 'R.dll')  ## ADDED ##

>>     # Then the lib dir:

>>     if not os.path.exists(Rlib):

>>       Rlib = os.path.join(R_HOME, 'lib', 'R.dll')

>>     # Otherwise fail out!

>>     if not os.path.exists(Rlib):

>>       raise RuntimeError("Unable to locate R.dll within %s" % R_HOME)

>>

>> Hope that helps a bit,

>>

>> Carson

>>

>> --

>> Carson J. Q. Farmer

>> ISSP Doctoral Fellow

>> National Centre for Geocomputation

>> National University of Ireland, Maynooth,

>> http://www.carsonfarmer.com/
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>> http://lists.osgeo.org/mailman/listinfo/qgis-user
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>>

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>

>

>

> --

> Carson J. Q. Farmer

> ISSP Doctoral Fellow

> National Centre for Geocomputation

> National University of Ireland, Maynooth,

> http://www.carsonfarmer.com/
> _______________________________________________

> Qgis-user mailing list

> [hidden email]

> http://lists.osgeo.org/mailman/listinfo/qgis-user
>
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