graphics {affiner} | R Documentation |
Plot coordinates, points, lines, and planes
Description
plot()
plots Coord1D and Coord2D class objects while
points()
draws Coord1D and Coord2D class objects
and lines()
draws Point1D and Line2D class objects to an existing plot.
If the suggested ggplot2 and rgl packages are available we also register ggplot2::autolayer()
methods for Coord1D, Coord2D, Point1D, and Line2D class objects and a rgl::plot3d()
method for Coord3D class objects.
Usage
## S3 method for class 'Coord1D'
plot(x, ...)
## S3 method for class 'Coord1D'
points(x, ...)
## S3 method for class 'Point1D'
lines(x, ...)
## S3 method for class 'Coord2D'
plot(x, ...)
## S3 method for class 'Coord2D'
points(x, ...)
## S3 method for class 'Line2D'
lines(x, ...)
Arguments
x |
A supported object to plot. |
... |
Passed to the underlying plot method. |
Value
Used for its side effect of drawing to the graphics device.
Examples
c1 <- as_coord2d(x = 0, y = 1:10)
l <- as_line2d(a = 1, b = -1, c = 0) # y = x
c2 <- c1$clone()$reflect(l)
plot(c1, xlim = c(-1, 11), ylim = c(-1, 11),
main = "2D reflection across a line")
lines(l)
points(c2, col = "red")
c1 <- as_coord2d(x = 1:10, y = 1:10)
l <- as_line2d(a = -1, b = 0, c = 0) # x = 0
c2 <- c1$clone()$project(l)
if (require("ggplot2", quietly = TRUE,
include.only = c("ggplot", "autolayer", "labs"))) {
ggplot() +
autolayer(c1) +
autolayer(l) +
autolayer(c2, color = "red") +
labs(title = "2D projection onto a line")
}
c1 <- as_coord1d(x = seq.int(-4, -1))
pt <- as_point1d(a = 1, b = 0) # x = 0
c2 <- c1$clone()$reflect(pt)
plot(c1, xlim = c(-5, 5), main = "1D reflection across a point")
lines(pt)
points(c2, col = "red")
# 3D reflection across a plane
c1 <- as_coord3d(x = 1:10, y = 1:10, z = 1:10)
pl <- as_plane3d(a = 0, b = 0, c = -1, d = 2) # z = 2
c2 <- c1$clone()$reflect(pl)
if (require("rgl", quietly = TRUE,
include.only = c("plot3d", "planes3d", "points3d"))) {
plot3d(c1, size = 8)
planes3d(as.data.frame(pl), d = pl$d, color = "grey", alpha = 0.6)
points3d(as.data.frame(c2), col = "red", size = 8)
}
[Package affiner version 0.1.3 Index]