Multiple Annotations

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

Section

Pass a list of annotation maps to layout.annotations. Each map is independent and can have different positions, styles, and arrow settings.

alias Plotly.{Figure, Scatter}

Figure.new()
|> Figure.add_trace(
  Scatter.new(
    x: ["2015-02-01", "2015-04-01", "2015-06-01", "2015-08-01",
        "2015-10-01", "2015-12-01"],
    y: [32, 55, 43, 91, 81, 53],
    mode: "lines+markers"
  )
)
|> Figure.update_layout(
  title: "Multiple Annotations on a Time Series",
  annotations: [
    %{
      x: "2015-04-01",
      y: 55,
      xref: "x",
      yref: "y",
      text: "Local max",
      showarrow: true,
      arrowhead: 3,
      ax: 0,
      ay: -40
    },
    %{
      x: "2015-08-01",
      y: 91,
      xref: "x",
      yref: "y",
      text: "Global max",
      showarrow: true,
      arrowhead: 3,
      ax: 0,
      ay: -40,
      font: %{color: "red", size: 14}
    },
    %{
      x: "2015-02-01",
      y: 32,
      xref: "x",
      yref: "y",
      text: "Start",
      showarrow: false,
      xanchor: "left"
    }
  ]
)
|> Plotly.show()