Description Usage Arguments Details Author(s) See Also Examples
Displaying compositions in ternary diagrams
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16  ternaryAxis(side=1:3,at=seq(0.2,0.8,by=0.2),
labels=if(is.list(at)) lapply(at,format) else format(at),
...,
tick=TRUE,pos=0,
font.axis=par("font.axis"),
font.lab=par("font.lab"),
lty="solid",lwd=1,
len.tck=0.025,dist.lab=0.03,
dist.axis=0.03,
lty.tck="solid",
col.axis=par("col.axis"),
col.lab=par("col.lab"),
cex.axis=par("cex.axis"),
cex.lab=par("cex.lab"),
Xlab=NULL,Ylab=NULL,Zlab=NULL,small=TRUE,
xpd=NA,aspanel=FALSE)

side 
a vector giving the sides to draw the axis on. 1=under the plot, 2=the upper right axis, 3=the upper left axis. 1 is the portion axis of the first component, 2 is the portion axis of the second component, 3 is the portion axis of the third component. An empty vector or 0 suppresses axis plotting, but still plots the Xlab, Ylab and Zlab parameters. 
at 
a vector or a list of vectors giving the positions of the tickmarks. 
labels 
a vector giving the labels or a list of things that can serve as graphics annotations. Each element of the list is than sean as the labels for one of axes. IMPORTANT: if plotting formulae enclose the list of labels into a list. 
tick 
a logical whether to draw the tickmark lines 
pos 
the portion of the opposite component to draw the axis on. Proportion axss shrinks, when pos>0 ! 
font.axis 
the font for the axis annotations 
font.lab 
the font for the variable labels 
lty 
the line type of the axis line. (see 
lty.tck 
the line type of the tickmarks. NA suppresses plotting. 
len.tck 
the line length of the tickmarks. 
dist.axis 
the distance of the variable labels from the axes. Positve values point outward from the plot. 
dist.lab 
the distance of the axes labels from the axes. Positve values point outward from the plot. 
lwd 
the line widths of axis line and tickmarks.
(see 
col.axis 
the color to plot the axis line, the tickmarks and the axes labels. 
col.lab 
the color to plot the variable labels. 
cex.axis 
The character size to plot the axes labels. (see

cex.lab 
The character size for the variable labels 
Xlab 
the label for the lower left component. 
Ylab 
the label for the lower right component. 
Zlab 
the label for the upper component. 
small 
wether to plot the lower labels under the corners 
xpd 
Extended plotting region. See (see 
aspanel 
Is this called as a slave to acutally plot the axis (TRUE), or as a user level function to instatiate the axis (FALSE). 
... 
further graphical that might be of use for other functions, but are silently ignored here 
This function has two uses. If called with aspanel=TRUE
it
acutally draws the axes to a panel. In other cases it tries to modify
the axes argument of the current plot to add the axis. I.e. it will
force a replotting of the plot with the new axes settings. Thus an old
axes is removed.
To ensure that various axes can be drawn with various parameters most
of the arguments can take a vector or list of the same length as
side
providing the different parameters for each of the axes to be drawn.
There are two types of axes: Proportion axes (1:3) and portions axes
(1:3). The best place to draw a Proportion axes is pos=0, which is
the standard for axis in ternary diagrams. Portion axes are best drawn
at pos=0.5
in the middle of the plot.
K.Gerald v.d. Boyogaart http://www.stat.boogaart.de, Raimon TolosanaDelgado
plot.aplus
, plot3D
(for 3D plot),
kingTetrahedron
(for 3Dplot model export),
qqnorm.acomp
,boxplot.acomp
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17  data(SimulatedAmounts)
plot(acomp(sa.lognormals),axes=TRUE)
ternaryAxis(side=1:3,pos=0,col.axis="red",col.lab="green")
ternaryAxis(side=1:3,at=1:9/10,
labels=expression(9:1,4:1,7:3,3:2,1:1,2:3,3:7,1:4,1:9),
pos=0,col.axis="red",col.lab="green")
ternaryAxis(side=rep(1:3,3),labels=paste(seq(20,80,by=20),"%"),
pos=rep(c(0,0.5,1),each=3),col.axis=1:3,col.lab="green")
ternaryAxis(side=rep(1:3,3),at=1:9/10,
labels=expression(9:1,4:1,7:3,3:2,1:1,2:3,3:7,1:4,1:9),
pos=rep(c(0,0.5,1),each=3))
plot(acomp(sa.lognormals5),axes=TRUE)
ternaryAxis(side=1:3,pos=0,col.axis="red",col.lab="green")
ternaryAxis(side=1:3,at=1:9/10,
labels=expression(9:1,4:1,7:3,3:2,1:1,2:3,3:7,1:4,1:9),
pos=0,col.axis="red",col.lab="green")

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