Logarithmic Axes

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

Section

Set type: "log" on an axis to use a logarithmic scale. Plotly automatically formats the tick labels as powers of ten.

alias Plotly.{Figure, Scatter}

x = Enum.to_list(1..10)
y = Enum.map(x, fn i -> :math.pow(10, i - 1) end)

Figure.new()
|> Figure.add_trace(Scatter.new(x: x, y: y, mode: "lines+markers", name: "10^(x-1)"))
|> Figure.update_layout(
  title: "Logarithmic Y-Axis",
  yaxis: %{type: "log", title: %{text: "log scale"}}
)
|> Plotly.show()

Figure.new()
|> Figure.add_trace(Scatter.new(x: y, y: x, mode: "lines+markers", name: "10^(x-1)"))
|> Figure.update_layout(
  title: "Logarithmic X-Axis",
  xaxis: %{type: "log", title: %{text: "log scale"}}
)
|> Plotly.show()