Nice job Nicholas!thanks for the e-mail.
Regards,
Francesco
---------------------------------------
Francesco Nutini
CNR-IREA
     Institute for Electromagnetic Sensing of the Environment
     Via Bassini 15, 20133 Milano (Italy) 
     Tel: +39-02 23699 297  
     www.irea.cnr.it 
     nutini.f@irea.cnr.it
Skype: uitko@hotmail.it
Faculty of Agriculture of the University of Milan (UniMI)
     Di.Pro.Ve. - Department of Plant Production
     Univ. mail: francesco.nutini@unimi.it---------------------------------------

Date: Thu, 19 Dec 2013 06:45:04 -0800
From: nicholasehamilton@gmail.com
To: r-help-archive@googlegroups.com
CC: r-help@r-project.org; nutini.francesco@gmail.com
Subject: Re: [R] Ternary plot and filled contour

Dear Francesco, 

I wanted to mention that I have just published on CRAN, a package for R, for the plotting of ternary diagrams. 

It is based off ggplot2, which is highly regarded, and, my website can be viewed at www.ggtern.com, including many examples, specifically including a case study at the following address: 

http://ggtern.com/case-study-zirconia-alumina-silica/ 

Hope you find it of value. 

Best Regards, 

Nicholas Hamilton 
School of Materials Science and Engineering 
Univesity of New South Wales 
Sydney Australia 
-- 
www.ggtern.com 

On Monday, June 4, 2012 10:52:10 PM UTC+10, Francesco Nutini wrote:

Dear R-Users, I'd like to have some tips for a ternaryplot ("vcd").

I have this dataframe:

    a<- c (0.1, 0.5, 0.5, 0.6, 0.2,        0, 0, 0.004166667, 0.45)     b<- c (0.75,0.5,0,0.1,0.2,0.951612903,0.918103448,0.7875,0.45)    c<- c (0.15,0,0.5,0.3,0.6,0.048387097,0.081896552,0.208333333,0.1)     d<- c (500,2324.90,2551.44,1244.50, 551.22,-644.20,-377.17,-100, 2493.04)     df<- data.frame (a, b, c, d)

and I'm building a ternary plot:

    ternaryplot(df[,1:3], df$d)

How can I map the continue variable "d", obtaining a result similar to this one? [see the link]

> http://www.pmel.noaa.gov/maillists/tmap/ferret_users/fu_2007/jpgCqrZqdDwYG.jpg

Many thanks!



                                               

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