Editing Shapefiles

2 messages · Nicholas Lewin-Koh, Susumu Tanimura

Original

Nicholas Lewin-Koh

Tue, Dec 13, 2005 6:05 AM #

Hi Susumu
Those are some very nice examples! Would you consider packaging some of
those functions 
and contributing them to maptools? I especially like the cartogram
example.

Nicholas

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Today's Topics:

   1. Re: Editing Shapefiles (Susumu Tanimura)


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Message: 1
Date: Tue, 13 Dec 2005 11:59:02 +0900
From: Susumu Tanimura <stanimura-ngs at umin.ac.jp>
Subject: Re: [R-sig-Geo] Editing Shapefiles
To: r-sig-geo at stat.math.ethz.ch
Message-ID: <20051213115902.f70f300b.stanimura-ngs at umin.ac.jp>
Content-Type: text/plain; charset=US-ASCII

Dear Malcolm and R-sig-Geo members

Map object from shapefiles with read.shape() can be merged or
clipped.  Here are examples written in Japanese but the code is
universal.

For clipping
http://www.okada.jp.org/RWiki/index.php?ShapeFile%A5%E9%A5%A4%A5%D6%A5%E9%A5%EA

For Union and Dissolve
http://www.okada.jp.org/RWiki/index.php?cmd=read&page=Rmap%A4%F2%BB%C8%A4%C3%A4%BF%C3%CF%BF%DE%C9%BD%BC%A8&word=Rmap#content_1_35

In addition, You can use shapefiles from R to GoogleEarth.
http://www.okada.jp.org/RWiki/index.php?GoogleEarth%A4%C8R



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End of R-sig-Geo Digest, Vol 28, Issue 5
****************************************

Susumu Tanimura

Tue, Dec 13, 2005 7:39 AM #

Dear Nicholas and members

Since those examples in wiki are not my works, it is better to ask the
author, Dr. Ono, who is one of members in this mailing list.

However, cartograms are annoyed issue as mentioned in my talk 
"thematic cartography with R" at the first Japanese R user conference
on Dec. 10th. I am also waiting someone develop a continuous cartogram
and a circle one.  

By the way, Dr. Simon Urbanek (AT&T Research Labs, the author of JGR,
a member of the R core development team) was invited to the
conference.  His talk about JGR and iPlots was so preeminent. iPlots
may provide us interactive zoom and pan for maps in R.

--
Susumu Tanimura

On Tue, 13 Dec 2005 09:05:10 -0500

"Nicholas Lewin-Koh" <nikko at hailmail.net> wrote: