Movable shape(line), showing all y values for refered x point

Hello,
I am using Vue3 and Plotly(vue3-plotly, wrapper of the library) and I’m searching for a solution to implement a functionality to add cursors to the plot and measure the difference like in real oscilloscope. Can anybody help me with how this could be achieved?

Hey @Stunkata,

you could use the built in annotation capabilities of plotly and try checking for the length: