Matplotlib hover show text text = "{}, {}". get_gid()) to create a curve plot with. 2g},{:. Is there a "motion Nov 12, 2021 · The annotation function can adapt the text to be displayed, for example by looking up rows in the dataframe. Annotate on hover; Changing properties of the popup; Contour plots; Cursors on images; Datetime data; Display a bar’s height and name on top of it upon hovering; Display an artist’s label instead of x, y coordinates; Displaying a custom label for each individual point; Extracting data and labels from a DataFrame; Highlighting the artist For additional examples of customization of the position and appearance of the annotation, see Display a bar’s height and name on top of it upon hovering and Changing properties of the popup. Parameters: x, y float. pyplot as plt import numpy as np from matplotlib. The code can easily be adapted to display additional columns from the dataframe. get_width()/2. pyplot. subplots () ax . The hover_name property controls which column is displayed in bold as the tooltip title. mpl_connect('motion_notify_event', on_plot_hover) Conclusion. text (x, y, s, fontdict = None, ** kwargs) [source] # Add text to the Axes. to_numeric(df_all['count']) cumulative = df_all['count']. 7. 3 … Nov 9, 2020 · I wanted to read values off of the graphs that I made using python similar to how the data point values show up in an excel plot when you hover over a data point. For the cursor to remain responsive you must keep a reference to it. cumsum() cumulative. 2g})". get_x()+bar. Jan 19, 2020 · Hi @anntzer. scatter ( * np . The hover_data argument accepts a list of column names to be added to the hover tooltip, or a dictionary for advanced formatting (see the next section). mpl_connect ('motion_notify_event', hover) plt. plot([i * 1, i * 2, i * 3, i * 4], gid=i) for curve in plot. Jun 19, 2022 · Here is a code that uses a scatter and shows an annotation upon hovering over the scatter points. get_height() annot. pyplot as plt import numpy as np import mplcursors np . Is there a way to display information about each axes when the mouse hovers over the axis? The mplcursors library can be used to create custom annotations while hovering. Dec 5, 2024 · Explore various techniques to add interactive hovering annotations to your matplotlib scatter plots, enhancing data visualization. I of course also modified the print statement Take a look at this question and demo:. mpl_connect function with the 'motion_notify_event' option. The plot shows but is not interactive. import matplotlib. Newlines ('\n') can distribute the text over multiple lines. , matplotlib. connect('motion_notify_event', on_hover) to capture mouse movement events. This is one of the most requested topics so I thought I would finally make a video showing how to implement the feature when you hover your mouse on top of a Jun 19, 2022 · Here is a code that uses a scatter and shows an annotation upon hovering over the scatter points. collections. Using various solutions here, I wr Action Movies & Series; Animated Movies & Series; Comedy Movies & Series; Crime, Mystery, & Thriller Movies & Series; Documentary Movies & Series; Drama Movies & Series POINTER) fig. Sep 16, 2023 · mplcursors is a Python library that allows you to add interactive data cursors to Matplotlib plots. Although it is possible to create the tooltip from CSS or javascript, here we create it in matplotlib and simply toggle its visibility on when hovering over the patch. get_offsets()[ind["ind"][0]] annot. format( x,y ) Feb 18, 2025 · Utilize Matplotlib's matplotlib. text# matplotlib. random . plot. But none of them work. format(" ". random (( 2 , 26 ))) ax . get_lines(): if curve. fig. widgets import Cursor class AnnotatedCursor (Cursor): """ A crosshair cursor like `~matplotlib. random import rand if 1: # picking on a scatter plot (matplotlib. Apr 7, 2022 · To add hovering annotations in Python matplotlib, we can call mpl_connect to add an event listener to watch for hovers. matplotlib. text()) that will display the information. For instance, we write. bbox=dict(boxstyle="round", fc="w"), arrowprops=dict(arrowstyle="->")) pos = sc. backend_bases import MouseEvent from matplotlib. Note When the callback is fired, the position of the annotating text is temporarily set to (nan, nan) . I'm using matplotlib to draw some graph in a pyqt application. widgets. Apr 7, 2022 · Next, we use that as the hover event listener with. join(list(map(str,ind["ind"]))), . y = bar. get_y()+bar. . Cursor` with a text showing \ the current coordinates. g. See Text alignment. To add hovering annotations in Python matplotlib, we can call mpl_connect to add an event listener to watch for hovers. Here is an example for the first plot. take(x, ind), npy. Many Plotly Express functions also support configurable hover text. These data cursors display information about specific data points when you hover your mouse over them, making it easier to explore and analyze your data. " ". I want to annotate different lines on a plot when hovering with the mouse, the same way is done here with points Possible to make labels appear when hovering over a point in matplotlib? SVG Tooltip#. The new cursor inherits from Cursor and demonstrates the creation of new widgets and their event callbacks. RegularPolyCollection) x, y, c, s = rand(4, 100) def onpick3(event): ind = event. from matplotlib. Unless I remove my finger from the mousepad or (with a mouse attached) stop moving the mouse the moment the mouse pointer touches the bar the highlight only lasts momentarily. Here is an example with a tree map: May 28, 2018 · So you need to go through the bars and check which of them, if any, is hovered. If this is the case, it displays an image annotation with a corresponding image next to the hovered scatter point. set_text(text) Apr 2, 2020 · I created this tree map using Matplotlib and Squarify. まとめこんなんできました。例はt-SNEで低次元化したMNISTの散布図です。プロット上にマウスカーソルを持ってくると、そのプロットに相当する図が表示されます。環境python 3. xy = (x,y) text = "({:. canvas. canvas. plot() print(plt. set_title ( "Mouse . show()) Many thanks in advance Jan 21, 2017 · Possible to make labels appear when hovering over a point in matplotlib? Is there a matplotlib equivalent of MATLAB's datacursormode? Matplotlib basemap: Popup box. Is there a way to show infos only when the mouse hover the plot nodes? At the moment I'm stuck using this (ugly, and conceptually wrong) piece of code, written by me basically I add hidden annotations where I need, then (ab)use the fig. contains(event)[0]: print('over %s' % curve. set_title ( "Mouse Display a data cursor including a text box, which shows the plot point close to the mouse pointer. seed ( 42 ) fig , ax = plt . It uses a 'motion_notify_event' to detect when the mouse is over a scatter point (hovering). Create an annotation object (e. The code I use to create my line graph is as follows: df_all['count'] = pd. join([names[n] for n in ind["ind"]])) annot. take(y, ind) fig = figure() ax1 = fig. See a complete solution here: bbox=dict(boxstyle="round", fc="black", ec="b", lw=2), arrowprops=dict(arrowstyle="->")) x = bar. pyplot import figure, show import numpy as npy from numpy. lee. Dec 9, 2019 · Here is a complete rework of the OP, with two plots and two legend entries, with actual hovering - a little complicated to achieve, as there are coordinate systems transformations and z order to take into account as well: Oct 25, 2020 · I have a very basic plot, for which I would like to add the ability to display values when mouse hovers over data points on the plot. show () References The use of the following functions, methods, classes and modules is shown in this example: Mar 17, 2017 · Find here a complete solution on how to display an image on hover events. xy = pos. plot() plt. set_text(text) Feb 18, 2025 · Utilize Matplotlib's matplotlib. Annotate on hover# When hover is set to True , annotations are displayed when the mouse hovers over the artist, without the need for clicking. add_subplot(111) col = ax1 Apr 15, 2009 · Hi all. I’m having trouble keeping the boxes highlighted while I’m hovering over them. I tried with and without the magic %matplotlib inline with no effect. Add the text s to the Axes at location x, y in data coordinates, with a default horizontalalignment on the left and verticalalignment at the baseline. This example shows how to create a tooltip that will show up when hovering over a matplotlib patch. Inside this function, determine the data point closest to the mouse cursor. Here’s tweet with a gif showing my first use case for mplcursors. The position to place the text. ind print 'onpick3 scatter:', ind, npy. tidh awza ltcc nmpwib lqgugz dwmgdb bnhyy ryfkrch djdoe pfmuw pyyy ilh afa ravzo ovzlnl