Mouse click events

[aziop]

See function “extract_click_coordinates” from this post:

Creating shapes (annotations) with Patch() method, how to do if no shapes exist in initial fig?

Hello @AIMPED, Check this out, with storing the last clickData you can determine whether or not it is the first shape added. This should keep the use of Patch() working well. import json import random import dash from dash import html, dcc, Input, Output, Patch, State import plotly.graph_objs as go import numpy as np def create_shape(x, y, size=2, color='rgba(39,43,48,255)'): """ function creates a shape for a dcc.Graph object Parameters: x: x coordinate o…