Mouse position on the layout

[AIMPED]

Something like this?

Show coordinates when there are no points

Hi @bpolasek, not sure how to do this. The only idea I have is adding a imshow trace with the same dimensions as your range. I’m aware that I’m posting a python example, JS should be similar tough. import plotly.express as px import numpy as np # create image and plotly express object fig = px.imshow( np.zeros(shape=(90, 160, 4)) ) fig.add_scatter( x=[5, 20, 50], y=[5, 20, 50], mode='markers', marker_color='white', marker_size=10 ) # update layout fig.update_layout( …