layout_with_gem {igraph} | R Documentation |
Place vertices on the plane using the GEM force-directed layout algorithm.
layout_with_gem(graph, coords = NULL, maxiter = 40 * vcount(graph)^2, temp.max = vcount(graph), temp.min = 1/10, temp.init = sqrt(vcount(graph))) with_gem(...)
graph |
The input graph. Edge directions are ignored. |
coords |
If not |
maxiter |
The maximum number of iterations to perform. Updating a single vertex counts as an iteration. A reasonable default is 40 * n * n, where n is the number of vertices. The original paper suggests 4 * n * n, but this usually only works if the other parameters are set up carefully. |
temp.max |
The maximum allowed local temperature. A reasonable default is the number of vertices. |
temp.min |
The global temperature at which the algorithm terminates
(even before reaching |
temp.init |
Initial local temperature of all vertices. A reasonable default is the square root of the number of vertices. |
... |
Passed to |
See the referenced paper below for the details of the algorithm.
A numeric matrix with two columns, and as many rows as the number of vertices.
Gabor Csardi csardi.gabor@gmail.com
Arne Frick, Andreas Ludwig, Heiko Mehldau: A Fast Adaptive Layout Algorithm for Undirected Graphs, Proc. Graph Drawing 1994, LNCS 894, pp. 388-403, 1995.
layout_with_fr
,
plot.igraph
, tkplot
Other graph layouts: add_layout_
;
as_bipartite
,
layout.bipartite
,
layout_as_bipartite
; as_star
,
layout.star
, layout_as_star
;
as_tree
, layout_as_tree
;
component_wise
; in_circle
,
layout_in_circle
;
layout.auto
, layout_nicely
,
nicely
;
layout.davidson.harel
,
layout_with_dh
, with_dh
;
layout.graphopt
,
layout_with_graphopt
,
with_graphopt
; layout.grid
,
layout.grid.3d
,
layout.grid.3d
,
layout_on_grid
, on_grid
;
layout.mds
, layout_with_mds
,
with_mds
; layout.merge
,
layout_components
,
merge_coords
,
piecewise.layout
,
piecewise.layout
;
layout.norm
, norm_coords
;
layout.sugiyama
,
layout_with_sugiyama
,
with_sugiyama
;
layout_on_sphere
, on_sphere
;
layout_randomly
, randomly
;
layout_with_fr
, with_fr
;
layout_with_kk
, with_kk
;
layout_with_lgl
, with_lgl
;
layout
, layout_
,
print.igraph_layout_modifier
,
print.igraph_layout_spec
;
normalize
set.seed(42) g <- make_ring(10) plot(g, layout=layout_with_gem)