View source: R/layout_nodes_w_string.R
layout_nodes_w_string | R Documentation |
Layout one or several groups of nodes using a text-based schematic. The option is available to apply sorting to each of the groups.
layout_nodes_w_string(
graph,
layout,
nodes,
sort = NULL,
width = 8,
height = 8,
ll = c(0, 0)
)
graph |
A graph object of class |
layout |
A layout character string that provides a schematic for the
layout. This consists of a rectangular collection of |
nodes |
A named vector of the form: |
sort |
An optional sorting method to apply to the collection of nodes
before assigning positional information. Like |
width |
The width of the |
height |
The height of the |
ll |
A vector describing the the lower-left coordinates of the |
A graph object of class dgr_graph
.
Other node creation and removal:
add_n_node_clones()
,
add_n_nodes()
,
add_n_nodes_ws()
,
add_node()
,
add_node_clones_ws()
,
add_node_df()
,
add_nodes_from_df_cols()
,
add_nodes_from_table()
,
colorize_node_attrs()
,
copy_node_attrs()
,
create_node_df()
,
delete_node()
,
delete_nodes_ws()
,
drop_node_attrs()
,
join_node_attrs()
,
mutate_node_attrs()
,
mutate_node_attrs_ws()
,
node_data()
,
recode_node_attrs()
,
rename_node_attrs()
,
rescale_node_attrs()
,
set_node_attr_to_display()
,
set_node_attr_w_fcn()
,
set_node_attrs()
,
set_node_attrs_ws()
,
set_node_position()
# Create a graph with unique labels and
# several node `type` groupings
graph <-
create_graph() %>%
add_node(type = "a", label = "a") %>%
add_node(type = "a", label = "b") %>%
add_node(type = "b", label = "c") %>%
add_node(type = "b", label = "d") %>%
add_node(type = "b", label = "e") %>%
add_node(type = "c", label = "f") %>%
add_node(type = "c", label = "g")
# Define a 'layout' for groups of nodes
# using a text string (dashes are empty
# grid cells, numbers--representing
# ad-hoc groupings--correspond to
# individual nodes); here, define a layout
# with 3 groups of nodes
layout <-
"
1--------
1--------
---222---
--------3
--------3
"
# Use the `layout` along with what nodes
# the numbers correspond to in the graph
# with the `nodes` named vectors; the
# optional `sort` vector describes how
# we should sort the collection of node
# before adding position information
graph <-
graph %>%
layout_nodes_w_string(
layout = layout,
nodes = c("1" = "type:a",
"2" = "type:b",
"3" = "type:c"),
sort = c("1" = "label:asc",
"2" = "label:desc",
"3" = "label:desc"))
# Show the graph's node data frame
# to confirm that `x` and `y` values
# were added to each of the nodes
graph %>% get_node_df()
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