View source: R/plot.Intervals_virtual.R
plot.Intervals  R Documentation 
S3 methods for plotting "Intervals"
and "Intervals_full"
objects.
## S3 method for class 'Intervals'
plot(x, y, ...)
## S3 method for class 'Intervals_full'
plot(
x, y = NULL,
axes = TRUE,
xlab = "", ylab = "",
xlim = NULL, ylim = NULL,
col = "black", lwd = 1,
cex = 1,
use_points = TRUE,
use_names = TRUE,
names_cex = 1,
...
)
## S4 method for signature 'Intervals,missing'
plot(x, y, ...)
## S4 method for signature 'Intervals_full,missing'
plot(x, y, ...)
## S4 method for signature 'Intervals,ANY'
plot(x, y, ...)
## S4 method for signature 'Intervals_full,ANY'
plot(x, y, ...)
x 
An 
y 
Optional vector of heights at which to plot intervals. If omitted,

axes 
As for 
xlab 
As for 
ylab 
As for 
xlim 
As for 
ylim 
If not explicitly supplied, 
col 
Color used for segments and endpoint points and interiors. Recycled if necessary. 
lwd 
Line width for segments. See 
cex 
Endpoint magnification. Only relevant if 
use_points 
Should points be plotted at interval endpoints? 
use_names 
Should 
names_cex 
Segment label magnification. Only relevant if 
... 
Other arguments for 
Intervals with NA
for either endpoint are not
plotted. Vertical placement is on the integers, beginning with 0.
None.
# Note plot symbol for empty interval in 'from'.
from < Intervals(
matrix(
c(
2, 8,
8, 9,
6, 9,
11, 12,
3, 3
),
ncol = 2, byrow = TRUE
),
closed = c( FALSE, TRUE ),
type = "Z"
)
rownames(from) < c("a","b","c","d","e")
to < Intervals(
matrix(
c(
2, 8,
3, 4,
5, 10
),
ncol = 2, byrow = TRUE
),
closed = c( FALSE, TRUE ),
type = "Z"
)
rownames(to) < c("x","y","z")
empty(from)
plot(
c(from,to),
col = rep(1:2, c(nrow(from), nrow(to)))
)
legend("topright", c("from","to"), col=1:2, lwd=1)
# More intervals. The maximal height shown is adapted to the plotting
# window.
B < 10000
left < runif( B, 0, 1e5 )
right < left + rexp( B, rate = 1/10 )
x < Intervals( cbind( left, right ) )
plot(x, use_points=FALSE)
plot(x, use_points=FALSE, xlim = c(0, 500))
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