manipulate layout

functions to manipulate an existing layout

Usage

layout_rotate(xy, angle)

layout_mirror(xy, axis = "vertical")

Arguments

xy

graph layout

angle

angle for rotation

axis

mirror horizontal or vertical

Value

manipulated matrix of xy coordinates

Details

These functions are mostly useful for deterministic layouts such as layout_with_stress

Author

David Schoch

Examples

library(igraph)
g <- sample_gnp(50, 0.3)

xy <- layout_with_stress(g)

# rotate 90 degrees
xy <- layout_rotate(xy, 90)

# flip horizontally
xy <- layout_mirror(xy, "horizontal")