[QGIS-it-user] RQGIS

Dom 19 Giu 2016 04:02:50 PDT

Salve a tutti, inoltro per conoscenza la seguente e interessante mail.
Saluti a tutti

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Date: Sunday, 19 June 2016
Subject: R-sig-Geo Digest, Vol 154, Issue 15
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Today's Topics:

   1. RQGIS - integrating R with QGIS (Jannes M?nchow)
   2. Re: RQGIS - integrating R with QGIS (Rainer M Krug)

----------------------------------------------------------------------

Message: 1
Date: Sun, 19 Jun 2016 09:18:12 +0200
From: "Jannes M?nchow" <malNamalJa a gmx.de <javascript:;>>
To: r-sig-geo a r-project.org <javascript:;>
Subject: [R-sig-Geo] RQGIS - integrating R with QGIS
Message-ID:

<trinity-5ece0871-bdfe-438c-80cd-59f7e12e1d83-1466320692648 a 3capp-gmx-bs46>

Content-Type: text/plain; charset=UTF-8

Dear R-GIS users,
?
I would like to draw your attention to a new package integrating R with
QGIS. QGIS is probably the most widely used open-source Desktop GIS. Apart
from its native functions QGIS provides access to the geoalgorithms of
various third-party providers (among others SAGA and GRASS). In total this
gives the user access to more than 1000 geoalgorithms. RQGIS brings this
incredible powerful geoprocessing environment to the R console. We would
like to publish RQGIS on CRAN within the next six weeks. Until then we
would appreciate any user feedback. On github (
https://github.com/jannes-m/RQGIS) you'll find a short tour how to use and
install the developer version of RQGIS and in this post (
https://jannesm.wordpress.com/2016/06/03/integrating-r-with-qgis/) I
briefly describe the most notable features of RQGIS. I am looking forward
to hearing from first user experiences!
?
Best regards,
?
Jannes

------------------------------

Message: 2
Date: Sun, 19 Jun 2016 11:29:30 +0200
From: Rainer M Krug <Rainer a krugs.de <javascript:;>>
To: Jannes M?nchow <malNamalJa a gmx.de <javascript:;>>
Cc: r-sig-geo a r-project.org <javascript:;>
Subject: Re: [R-sig-Geo] RQGIS - integrating R with QGIS
Message-ID: <m2d1ndttl1.fsf a krugs.de <javascript:;>>
Content-Type: text/plain; charset="utf-8"

"Jannes M?nchow" <malNamalJa a gmx.de <javascript:;>> writes:

> Dear R-GIS users,
> ?
> I would like to draw your attention to a new package integrating R
> with QGIS. QGIS is probably the most widely used open-source Desktop
> GIS. Apart from its native functions QGIS provides access to the
> geoalgorithms of various third-party providers (among others SAGA and
> GRASS). In total this gives the user access to more than 1000
> geoalgorithms. RQGIS brings this incredible powerful geoprocessing
> environment to the R console. We would like to publish RQGIS on CRAN
> within the next six weeks. Until then we would appreciate any user
> feedback. On github (https://github.com/jannes-m/RQGIS) you'll find a
> short tour how to use and install the developer version of RQGIS and
> in this post
> (https://jannesm.wordpress.com/2016/06/03/integrating-r-with-qgis/) I
> briefly describe the most notable features of RQGIS. I am looking
> forward to hearing from first user experiences!

Hi

This looks really nice. Thanks.

Just tried the examples on https://github.com/jannes-m/RQGIS on OS X El
Capitan with QGIS 2-8 installed using homebrew ant they worked after
specifying the path to root. But there is an error in the RQGIS usage
site:

It states:

,----
| If you are running RQGIS under Linux or on a Mac, set_env assumes that
| your root path is "/usr" and "/applications/QGIS.app/Contents",
| respectively.
`----

1) The path should be changed to "Applications" instead of
"applications" as the capital A is used in OS X. It normally does not
make a difference, but does not follow conventions.

2) The path (specified in root=...) most not contain "/Contents" but
only the path to the .app folder.

In general, it would be nice if a cal to set_env() could have some
logic to also identify homebrew installesd versions of QGIS.

Thanks,

Rainer

> ?
> Best regards,
> ?
> Jannes
>
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--
Rainer M. Krug
email: Rainer<at>krugs<dot>de
PGP: 0x0F52F982
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-- 
Maurizio Marchi
Calenzano (FI) - Italy
ID Skype: maurizioxyz
Ubuntu 14.04 LTS
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