Re: [R] 3D Histograms on a Geographical Map

2013-04-19 Thread Barry Rowlingson
On Fri, Apr 19, 2013 at 3:13 PM, Lorenzo Isella
lorenzo.ise...@gmail.com wrote:
 Dear All,
 I like very much figure 2.a) and 2.b) of this paper

 http://www.nature.com/srep/2013/130410/srep01640/pdf/srep01640.pdf


 and I probably need a similar visualization.
 Is anything like that doable in R? I have some experience with R and
 gadm (gadm.org), but that is only to produce maps colored according to
 a scalar.
 I do not know how to visualize maps with a perspective, let alone
 adding the histograms in 3D.
 Sorry for not providing an example script, but if I had one I would
 not be posting at all.

 The panel B maps are created by using R so they are definitely
doable in R. I suspect they are using the rgl package for 3d graphics.
You just have to get the country outline data, give it a Z of 0, draw
it using the rgl 3d line functions, then add the bars (they're not
histograms) by starting at (x,y,0) and drawing a 3d line to (x,y,H)
for each value of H.

 You might try asking on R-sig-geo for more on mapping stuff with R.

 Clearly my papers don't have enough 3d nonsense graphics to get into Nature...

Barry

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Re: [R] 3D Histograms on a Geographical Map

2013-04-19 Thread ilai
Also combining the code for figures 6.5, 13.8 and 13.9 in the following link
http://lmdvr.r-forge.r-project.org/figures/figures.html
gets you there.



On Fri, Apr 19, 2013 at 8:38 AM, Barry Rowlingson 
b.rowling...@lancaster.ac.uk wrote:

 On Fri, Apr 19, 2013 at 3:13 PM, Lorenzo Isella
 lorenzo.ise...@gmail.com wrote:
  Dear All,
  I like very much figure 2.a) and 2.b) of this paper
 
  http://www.nature.com/srep/2013/130410/srep01640/pdf/srep01640.pdf
 
 
  and I probably need a similar visualization.
  Is anything like that doable in R? I have some experience with R and
  gadm (gadm.org), but that is only to produce maps colored according to
  a scalar.
  I do not know how to visualize maps with a perspective, let alone
  adding the histograms in 3D.
  Sorry for not providing an example script, but if I had one I would
  not be posting at all.

  The panel B maps are created by using R so they are definitely
 doable in R. I suspect they are using the rgl package for 3d graphics.
 You just have to get the country outline data, give it a Z of 0, draw
 it using the rgl 3d line functions, then add the bars (they're not
 histograms) by starting at (x,y,0) and drawing a 3d line to (x,y,H)
 for each value of H.

  You might try asking on R-sig-geo for more on mapping stuff with R.

  Clearly my papers don't have enough 3d nonsense graphics to get into
 Nature...

 Barry

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 R-help@r-project.org mailing list
 https://stat.ethz.ch/mailman/listinfo/r-help
 PLEASE do read the posting guide
 http://www.R-project.org/posting-guide.html
 and provide commented, minimal, self-contained, reproducible code.


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