Creating rose of wind

[AIMPED]

Hi @FrancoisFEM, this is python but JS should be pretty much the same:

Is there a go.Barpolar colorbar?

@vont, Yes, there is a colorbar, but it is a a marker property , used when the marker color is an array of values to be mapped onto a colorscale: import numpy as np import plotly.graph_objects as go r, theta = np.meshgrid(np.linspace(0, 1, 10), np.linspace(0, 360, 18)) fig = go.Figure(go.Barpolar( r= r.flatten(), theta=theta.flatten(), marker_color=(r.flatten())**2-0.2, #marker_color is a function of radius marker_colorscale="viridis", marker_colorbar_thickness=24, marker…