| Line 13... |
Line 13... |
| 13 |
\item{side}{an integer specifying which side of the plot the axis is
|
13 |
\item{side}{an integer specifying which side of the plot the axis is
|
| 14 |
to be drawn on. The axis is placed as follows: 1=below,
|
14 |
to be drawn on. The axis is placed as follows: 1=below,
|
| 15 |
2=left, 3=above and 4=right.}
|
15 |
2=left, 3=above and 4=right.}
|
| 16 |
\item{at}{the points at which tick-marks are to be drawn. Non-finite
|
16 |
\item{at}{the points at which tick-marks are to be drawn. Non-finite
|
| 17 |
(infinite, \code{NaN} or \code{NA}) values are omitted. By default,
|
17 |
(infinite, \code{NaN} or \code{NA}) values are omitted. By default,
|
| 18 |
when \code{NULL}, tickmark locations are computed, see Details below.}
|
18 |
when \code{NULL}, tickmark locations are computed, see Details below.}
|
| 19 |
\item{labels}{this can either be a logical value specifying whether
|
19 |
\item{labels}{this can either be a logical value specifying whether
|
| 20 |
(numerical) annotations are to be made at the tickmarks, or a vector
|
20 |
(numerical) annotations are to be made at the tickmarks, or a vector
|
| 21 |
of character strings to be placed at the tickpoints.}
|
21 |
of character strings to be placed at the tickpoints.}
|
| 22 |
\item{tick}{a logical value specifying whether tickmarks should be
|
22 |
\item{tick}{a logical value specifying whether tickmarks should be
|
| 23 |
drawn}.
|
23 |
drawn}.
|
| 24 |
\item{line}{the number of lines into the margin which the axis will
|
24 |
\item{line}{the number of lines into the margin which the axis will
|
| 25 |
be drawn. This overrides the value of the graphical parameter
|
25 |
be drawn. This overrides the value of the graphical parameter
|
| 26 |
\code{mgp[3]}. The relative placing of tickmarks and tick labels
|
26 |
\code{mgp[3]}. The relative placing of tickmarks and tick labels
|
| 27 |
is unchanged.}
|
27 |
is unchanged.}
|
| 28 |
\item{pos}{the coordinate at which the axis line is to be drawn.
|
28 |
\item{pos}{the coordinate at which the axis line is to be drawn:
|
| 29 |
this overrides the value of both \code{line} and \code{mgp[3]}.}
|
29 |
this overrides the values of both \code{line} and \code{mgp[3]}.}
|
| 30 |
\item{outer}{a logical value indicating whether the axis should be
|
30 |
\item{outer}{a logical value indicating whether the axis should be
|
| 31 |
drawn in the outer plot margin, rather than the standard plot
|
31 |
drawn in the outer plot margin, rather than the standard plot
|
| 32 |
margin.}
|
32 |
margin.}
|
| 33 |
\item{font}{font for text.}
|
33 |
\item{font}{font for text.}
|
| 34 |
\item{vfont}{vector font for text.}
|
34 |
\item{vfont}{vector font for text.}
|
| Line 57... |
Line 57... |
| 57 |
\code{\link{par}("usr", "lab")} and \code{\link{par}("xlog")} (or
|
57 |
\code{\link{par}("usr", "lab")} and \code{\link{par}("xlog")} (or
|
| 58 |
\code{"ylog"}).
|
58 |
\code{"ylog"}).
|
| 59 |
|
59 |
|
| 60 |
Several of the graphics parameters affect the way axes are drawn. The
|
60 |
Several of the graphics parameters affect the way axes are drawn. The
|
| 61 |
vertical (for sides 1 and 3) positions of the axis and the tick labels
|
61 |
vertical (for sides 1 and 3) positions of the axis and the tick labels
|
| 62 |
are controlled by \code{mpg}, the size of the ticks is controlled by
|
62 |
are controlled by \code{mgp}, the size of the ticks is controlled by
|
| 63 |
\code{tck} and \code{tcl} and the appearance of the tick labels by
|
63 |
\code{tck} and \code{tcl} and the appearance of the tick labels by
|
| 64 |
\code{cex.axis}, \code{col.axis} and \code{font.axis} with
|
64 |
\code{cex.axis}, \code{col.axis} and \code{font.axis} with
|
| 65 |
orientation controlled by \code{las} (but not \code{srt}).
|
65 |
orientation controlled by \code{las} (but not \code{srt}, unlike S
|
| - |
|
66 |
which uses \code{srt} if \code{at} is supplied and \code{las} if it is
|
| - |
|
67 |
not).
|
| 66 |
}
|
68 |
}
|
| 67 |
\seealso{
|
69 |
\seealso{
|
| 68 |
\code{\link{axTicks}} returns the axis tick locations
|
70 |
\code{\link{axTicks}} returns the axis tick locations
|
| 69 |
corresponding to \code{at=NULL}; \code{\link{pretty}} is more flexible
|
71 |
corresponding to \code{at=NULL}; \code{\link{pretty}} is more flexible
|
| 70 |
for computing pretty tick coordinates and does \emph{not} depend on
|
72 |
for computing pretty tick coordinates and does \emph{not} depend on
|
| Line 80... |
Line 82... |
| 80 |
axis(1, 1:4, LETTERS[1:4])
|
82 |
axis(1, 1:4, LETTERS[1:4])
|
| 81 |
axis(2)
|
83 |
axis(2)
|
| 82 |
box() #- to make it look "as usual"
|
84 |
box() #- to make it look "as usual"
|
| 83 |
|
85 |
|
| 84 |
plot(1:7, rnorm(7), main = "axis() examples",
|
86 |
plot(1:7, rnorm(7), main = "axis() examples",
|
| 85 |
type = "s", xaxt="n", frame = FALSE, col = "red")
|
87 |
type = "s", xaxt = "n", frame = FALSE, col = "red")
|
| 86 |
axis(1, 1:7, LETTERS[1:7], col.axis = "blue")
|
88 |
axis(1, 1:7, LETTERS[1:7], col.axis = "blue")
|
| 87 |
# unusual options:
|
89 |
# unusual options:
|
| 88 |
axis(4, col = "violet", col.axis="dark violet",lwd = 2)
|
90 |
axis(4, col = "violet", col.axis="dark violet", lwd = 2)
|
| 89 |
axis(3, col = "gold", lty = 2, lwd = 0.5)
|
91 |
axis(3, col = "gold", lty = 2, lwd = 0.5)
|
| 90 |
}
|
92 |
}
|
| 91 |
\keyword{aplot}
|
93 |
\keyword{aplot}
|
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