The number of vertices in a single row of the grid. If
this is zero or negative for layout.grid, then the width of
the grid will be the square root of the number of vertices in the
graph, rounded up to the next integer. Similarly,
height
The number of vertices in a single column of the
grid, for three dimensional layouts. If this is zero or negative,
then it is determinted automatically.
Value
A two-column matrix for layout.grid, a three-column matrix for
layout.grid.3d.
concept
Graph layout
Details
These functions place the vertices on a simple rectangular grid, one
after the other. If you want to change the order of the vertices, then
see the permute.vertices function.