Plotly subplot legend. By leveraging Plotly's powerful features, including interactive hover text, customizable legends, and flexible subplot arrangements, you can present complex data in a clear, engaging, and informative way. This tutorial will guide you through the process step-by-step, with practical code examples, to help you master shared legends in Plotly subplots. express Plotly Express is the easy-to-use, high-level interface to Plotly, which operates on a variety of types of data and produces easy-to-style figures. import plotly. rows=1, cols=2, Plotly Open Source Graphing Library for Python Plotly's Python graphing library makes interactive, publication-quality graphs. Aug 14, 2023 · The multiple subplots are defined by assigning different graph plots. Over 26 examples of Legends including changing color, size, log axes, and more in Python. Data Nov 7, 2016 · Hi I know there exists a way of defining legends for an entire figure . Jul 23, 2025 · In this article, we will explore how to set up multiple subplots with grouped legends using Plotly in Python. Dec 27, 2023 · In this comprehensive tutorial, we‘ll learn how to place Plotly legends directly inside your plots. 3 days ago · This document provides a quick reference for Plotly visualization capabilities within the marimo-flow codebase. Jan 31, 2026 · Plotly, a powerful library for interactive visualizations, offers flexible tools to create subplots, but sharing legends across them isn’t always intuitive. I have also added one more subplot that shows the number of times the walker was in each quadrant. (thank’s @Emmanuelle for the deep_merge javascript function) Mar 19, 2020 · I've two plots created in the same figure using subplots in plotly. Feb 5, 2022 · Is there a way to individualize or customize the legends of subplots? This topic was discussed on the plotly forum here, and it seems that multiple legends aren't possible in plotly. For more examples of line plots, see the line and scatter notebook. subplots import make_subplots df = pd. Plotly is a powerful Python library for creating interactive visualizations for data research and presentation. line, each data point is represented as a vertex (which location is given by the x and y columns) of a polyline mark in 2D space. The legend is common for both graphs meaning that I have only one column with all legends assembled together. However, I am facing some plot issues that I would like to solve. Jan 18, 2020 · Legends per subplots are not possible unfortunately but you can emulate them with annotations, see the example below. I have the same problem. Is there a way to distribute the position of these legends for each subplot Dec 14, 2017 · Plotly legend next to each subplot, Python Asked 8 years, 2 months ago Modified 11 months ago Viewed 18k times. I’d recommend using annotations instead. Aug 6, 2016 · Since the number of lines drawn are many, I would like to display the legend per subplot. Apr 4, 2024 · I am working on a Plotly code that displays a 2D random walk. The legend is currently displayed for all subplots (making reading the charts very cumbersome). Unfortunately, plotly can only support one legend per graph at the moment. However for my use case I want a way to specify legends only for certain subplots that appear . I can use the subplot sample code but then all the 75 legends (25 X 3) will be all together with different colors and it's messy. However, in the same thread @Jaydeep Mistry gives a partial workaround. graph_objects as go import numpy as np import pandas as pd from plotly. Scatter", each subplot represents one country (25 countries) with always these 3 years. It focuses on the two-tier API (Plotly Express and Graph Objects), common chart types, a Line Plots with plotly. As for subplot titles, they are annotations themselves (you can notice this by doing “print (fig)” to inspect the structure of the figure) so you can tune them with fig. Sep 1, 2021 · Show & Tell: Plotly subplots with individual legends, all interactions clientside. Jul 11, 2018 · I use subplot function from plotly to plot two graphs (one under another) in my my R-shiny application. Apr 4, 2024 · Grouping Legends Across Subplots To group legends such that interacting with one affects corresponding traces in both subplots, you'll need to utilize Plotly's legendgroup attribute. Jul 17, 2025 · Creating multiple subplots with grouped legends in Plotly Python opens up a world of possibilities for data visualization. With px. Examples of how to make line plots, scatter plots, area charts, bar charts, error bars, box plots, histograms, heatmaps, subplots, multiple-axes, polar charts, and bubble charts. We‘ll cover code examples, positioning options, styling, and best practices to help you make the most of legends while keeping them from obscuring the good stuff. Its capacity to put up multiple subplots, that are independent plots placed within a single figure, is one of its primary characteristics. Right now all of my subplots have the legend on the top corner of the screen . update_annotations. Firstly, is there a way to group the legends of each subplot instead of showing legends for two subplots? By grouping the legends, I mean when I click on one legend Jul 1, 2020 · 13 for each subplot I have 3 seperate line:2017 ,2018 and 2019 with 3 times "go. It is a useful approach to demonstrate legend for a plot as it allows to reveal a large amount of information about complex information.