# NOT RUN {
# Create a simple graph with 4 nodes
graph <-
create_graph() %>%
add_node(type = "a", label = "one") %>%
add_node(type = "a", label = "two") %>%
add_node(type = "b", label = "three") %>%
add_node(type = "b", label = "four")
# Add position information to each of
# the graph's nodes
graph <-
graph %>%
set_node_position(
node = 1, x = 1, y = 1) %>%
set_node_position(
node = 2, x = 2, y = 2) %>%
set_node_position(
node = 3, x = 3, y = 3) %>%
set_node_position(
node = 4, x = 4, y = 4)
# Select all of the graph's nodes using the
# `select_nodes()` function (and only
# specifying the graph object)
graph <- select_nodes(graph)
# Move the selected nodes (all the nodes,
# in this case) 5 units to the right
graph <-
graph %>%
nudge_node_positions_ws(
dx = 5, dy = 0)
# View the graph's node data frame
get_node_df(graph)
#> id type label x y
#> 1 1 a one 6 1
#> 2 2 a two 7 2
#> 3 3 b three 8 3
#> 4 4 b four 9 4
# Now select nodes that have `type == "b"`
# and move them in the `y` direction 2 units
# (the graph still has an active selection
# and so it must be cleared first)
graph <-
graph %>%
clear_selection() %>%
select_nodes("type == 'b'") %>%
nudge_node_positions_ws(
dx = 0, dy = 2)
# View the graph's node data frame
get_node_df(graph)
#> id type label x y
#> 1 1 a one 6 1
#> 2 2 a two 7 2
#> 3 3 b three 8 5
#> 4 4 b four 9 6
# }
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