Unified Hover Mode

Mix.install([
  {:plotly_ex, "~> 0.3"},
  {:kino, "~> 0.18"}
])

Section

layout.hovermode: "x unified" displays a single hover box for all traces at the same x value, instead of per-trace tooltips. Use "y unified" for horizontal comparisons.

alias Plotly.{Figure, Scatter}

x = Enum.to_list(1..5)

Figure.new()
|> Figure.add_trace(Scatter.new(x: x, y: [1, 3, 2, 4, 3], name: "Alpha", mode: "lines"))
|> Figure.add_trace(Scatter.new(x: x, y: [2, 1, 4, 2, 5], name: "Beta", mode: "lines"))
|> Figure.add_trace(Scatter.new(x: x, y: [3, 2, 1, 3, 2], name: "Gamma", mode: "lines"))
|> Figure.update_layout(
  title: "Unified Hover Mode",
  hovermode: "x unified"
)
|> Plotly.show()