nudge_node_positions_ws {DiagrammeR} | R Documentation |
With an active selection of nodes,
move the position in either the x
or
y
directions, or both. Nodes in the
selection that do not have position information
(i.e., NA
values for the x
or
y
node attributes) will be ignored.
nudge_node_positions_ws(graph, dx, dy)
graph |
a graph object of class
|
dx |
a single numeric value specifying the
amount that selected nodes (with non- |
dy |
a single numeric value specifying the
amount that selected nodes (with non- |
a graph object of class dgr_graph
.
# 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 graph %>% get_node_df() # 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( conditions = type == "b") %>% nudge_node_positions_ws( dx = 0, dy = 2) # View the graph's node data frame graph %>% get_node_df()