get_proj()) and provide those to the bbox_to_anchor argument of the legend. Mar 16, 2020 · To change the location of a legend in matplotlib, use the loc keyword argument in plt. legend Legend location# The location of the legend can be specified by the keyword argument loc. Specify the ncol parameter in legend. It will automatically try to determine a useful number of legend entries to be shown and return a tuple of handles and labels. , lines, patches, etc. Let’s see an example of customizing the legend location. The loc parameter takes a string or a tuple of coordinates to place the legend at the desired location. Matplotlib is a popular plotting library in Python that can be used to create a wide range of plots. Mar 29, 2010 · Adam: given that this was substantial, thorough, and relevant enough to include in the Matplotlib distro, and given that (i think) you removed your original Question, would you mind including a couple of sentences at the top of this Q so users can get an idea of what this code is for (to save them from having to read through the code itself). 凡例を表示する plt. Most users would normally create a legend via the legend() function. gca() ax. pyplot as plt fig = plt. Automatic detection of elements to be shown in the legend. import numpy as np. Jun 20, 2017 · What this command does is to extend or shrink the area of the saved figure to include all the artists in it. org Legend location¶ The location of the legend can be specified by the keyword argument loc. Putting it all together (besides the special chars - I had some problems activating TeX), try the following code: # -*- coding: UTF-8 -*-. This doesn't provide the same ease of use as the loc keyword when creating a legend from scratch, but does give control over placement. plot. Matplotlib allows you to customize the location of the legend on the plot. Let’s replot the above plot but with the legend at the bottom left this time. legend(['test entry'],title='test') lg. import matplotlib. legend(handles=[one, two, three], loc=4, fontsize='small', fancybox=True) legend. For example, to put the legend's upper right-hand corner in the center of the Axes (or figure) the following keywords can be used: loc='upper right', bbox_to_anchor=(0. Please see the documentation at legend() for more details. 0 is at the top. proj3d. You can now simply call. Matplotlib legends do not expose public control over their position parameters. Another way of changing the font size of a legend is by using the legend function's prop parameter. First we'll show off how to make a legend for specific lines. Legend ()参数调整图例位置在日常使用中，有时默认的图例位置不符合我们的需要，那么我们可以添加参数对图例的位置进行调整。. transFigure) With bbox_to_anchor and bbox_transform=plt. matplotlib. In particular, the location feature allows one to specifiy the location of their legend using numbers, following this scheme: best -- 0. get_frame(). Nov 8, 2013 · Maybe add these information to the legend. With the values for x_value and y_value the legend can be positioned in the subplot. 図全体の左下を (0, 0), 右上を (1, 1)としたタプルで与えます。. 5, -0. Oct 20, 2019 · matplotlib の legend (凡例) の 位置を調整する. This parameter allows us to specify the position of the bounding box of the legend in relation to the axes of the plot. #. Finally, we may need to adjust the plot’s size to ensure the legend doesn’t overlap with it. See full list on statology. marker first parameter is used to change the position of the marker. It seems like it is best if you access the legend object after you draw the plot, i. By making it False, the marker and labels places will be swapped. gca(). parent: the artist that contains the legend; handles: a list of artists (lines, patches) to be added to the legend; labels: a list of strings to label the legend Nov 4, 2017 · I want to change the font type of the legend texts in Matplotlib. For back-compatibility, 'center right' (but no other location) can also be spelled 'right' , and each "string" locations can also be given as a numeric value: Dec 6, 2018 · For the first answer: legend = plt. # The slices will be ordered and plotted counter-clockwise. This has become especially useful for Matplotlib version 2. 4) plt. Of course to use that you need to know roughly where your text will be in advance. columns)) This is the only line I changed in your script. the left central point of the legend will be at the left central point of the bounding box, spanning from (1, 0) to (1. plt. legend (loc='String' or Number, bbox_to_anchor= (num1, num2))1. The whiskers extend from the box to the farthest data point lying within 1. The easiest way to add a legend to a plot is to let Matplotlib place it in the “best” location. 05), shadow=True, ncol=2) Note the introduction of the ncol=2 parameter, which sets the number of columns in the legend. pyplot. The bbox_to_anchor keyword gives a great degree of control for manual legend placement. Hence, the figure size does not change anything to the legend positioning anymore. The pad argument for tight_layout is the fraction of the mean axes size, so if it is 0. So this function creates a new legend, copying over the data from the original object, which is then removed. Optional keyword arguments: if True, draw a frame around the legend. markerscale"] = 1. Those can be passed to the call to legend. See examples of code and output for various location strings. 5 from -0. age = [1, 4, 6, 8] number = [4, 5, 6, 2, 1] plt. Shrink the width of the plot so that the legend fits the figure. May 26, 2021 · Learn how to use the loc attribute in legend() function to place the legend at different corners of the axes/figure in matplotlib library. get_legend(). 1 onwards, you may use a figure legend. figure() ax = fig. For example, if you want your axes legend located at the figure's top right-hand corner instead of the axes May 8, 2021 · To put the legend in the best location in the bottom right quadrant of the axes (or figure):: loc='best', bbox_to_anchor= (0. For back-compatibility, 'center right' (but no other location) can also be spelled 'right' , and each "string" locations can also be given as a numeric value: seaborn. The name is a slight misnomer. plot([1,2],[2,3],label='sdfsdf') plt. move_legend(obj, loc, **kwargs) #. Jan 10, 2022 · You can use the bbox_to_anchor to limit the legend's free searching space. mplot3d. The Legend class can be considered as a container of legend handles and legend texts. 0 is at the base the legend text, and 1. 2 you can set your legend fonts with. mpl_toolkits. This means that the legend will be placed in the location that interferes the least with the data points. From matplotlib version 2. 5]. 375, 0. legend には3つのパラメータがあります. legend(loc=7) to create a legend for all artists in the different axes of the figure. To move the legend to the bottom of your chart, you can adjust the legend() parameters as shown: ax. For back-compatibility, 'center right' (but no other location) can also be spelled 'right' , and each "string" locations can also be given as a numeric value: Jan 28, 2021 · For example, to put the legend's upper right-hand corner in the center of the axes (or figure) the following keywords can be used:: loc='upper right', bbox_to_anchor=(0. The other option is therefore to change the alignment within the May 9, 2014 · To display the legend outside of the plot in matplotlib, you can use the bbox_to_anchor papameter along with the loc parameter of the legend function, here's how you can modify your code to achieve that: df3. legend(lines, labels, loc = 'lower center', bbox_to_anchor = (0, -0. In that case I would like to be able to set the placement of the label by first letting python/matplotlib place it using. # legend in an object or you're loading a saved figure. Jul 20, 2023 · In such cases, placing the legend outside the plot area could eventually make your graph much more readable. Default legend handlers are defined in the legend_handler module. The box extends from the first quartile (Q1) to the third quartile (Q3) of the data, with a line at the median. However, you can have full control over the Matplotlib legend’s location by specifying it explicitly. Mar 28, 2017 · An alternative to making the box smaller is to remove the outline of the box using something like. set_edgecolor('1. There are many ways to create and customize legends in Matplotlib. For example, if you want your axes legend located at the figure's top right-hand corner instead of the axes Jun 28, 2024 · Location of the legend (loc, bbox_to_anchor) There are two types of legend positioning, loc and bbox_to_anchor, which can be used in combination. 1. 5) ncolsint, default: 1. Customizing Matplotlib Legend Location. The location codes are: loc can be a tuple of the normalized coordinate values with respect its parent. show() The location can also be a 2-tuple giving the coordinates of the lower-left corner of the legend in axes coordinates (in which case bbox_to_anchor will be ignored). I know I can do something like this: plt. legend(loc="upper right") which will gather all handles from all subplots in the figure. Jun 7, 2017 · The easiest option would probably be to add a lot of whitespace behind the title. 5) ncol : int, default: 1 The number of columns that the legend has. 9)) (limit the legend to only the lower 90% of the vertical space). In addition, Matplotlib also reflects the different markers in the Jan 5, 2020 · The relative size of legend markers compared with the originally drawn ones. N = 45 x, y = np. random. legend(loc='best', bbox_to_anchor=(0, 0, 1, 0. I then create the legend based on the dimensions of the entire figure. 5, 1) together with the location "center left"; i. Working full code: import pandas as pd. markerscale : None or int or float. legend(loc="lower left", ncol=len(df. This can be slow if you plot a lot of data, so manually setting a location can speed up the process. To place the legend in a 3D plot using data coordinates, one may first get the projected coordinates of a point in 3D space using. legend(prop={'family': 'Arial'}) But I want to use a Chinese font type and I have no idea what is the family name I should put in the line above. However, this location may not always be optimal for our needs. 4. In this article, we will explore different ways to specify the location of the legend in Matplotlib. The legend is positioned to the suitable location 凡例の表示、曲線の選択ax. matplotlib legend location is uncomprehending. Keyworkd: plt. Default is None, which will take the value from rcParams["legend. To move the legend outside the plot, we can use the bbox_to_anchor parameter of the legend() function. In this article, we will explore how to customize the location of the legend in a Legend location¶ The location of the legend can be specified by the keyword argument loc. Learn how to use bbox_to_anchor and loc parameters to specify the legend position in graph coordinates with matplotlib. One key aspect of the legend is its location on the plot. Set the legend location of a pandas plot. This can be done with e. That answer does not give any information on adding a label/title to a May 10, 2017 · Legend location¶ The location of the legend can be specified by the keyword argument loc. Here is an example where we place the legend to the right of the plot: Jul 17, 2020 · The location can also be a 2-tuple giving the coordinates of the lower-left corner of the legend in axes coordinates (in which case bbox_to_anchor will be ignored). pyplot as plt. collections as mcol from matplotlib. _fontsize# legend_box is a HPacker, horizontally packed with# columns. See examples of how to use loc, bbox_to_anchor, ncols, mode, and other keywords to customize the legend. Again, please don't close this question (as was this one) it's not a duplicate of the answer linked above. import matplotlib import matplotlib. Recreate a plot’s legend at a new location. loc: best, center, upper, lower, left, right and their combinations. This option can be quite slow for plots with large amounts of data; your plotting speed may benefit from providing a specific Jan 5, 2020 · The Legend class can be considered as a container of legend handles and legend texts. We can use the legend's bbox_to_anchor argument to position the legend outside of the pie. legend(loc = "center left", bbox_to_anchor = (1, 0. In this article, we will explore different ways to customize the location of the legend in Matplotlib. Below we'll show a few examples for how to do so. 3 of the axes height. arange( 70. draw() Accessing legend object position after this will return figure pixels which you can use later. For example, to put the legend's upper right-hand corner in the center of the axes (or figure) the following keywords can Figure legend demo; Configuring the font family; Using ttf font files; Font table; Fonts demo (object-oriented style) Fonts demo (keyword arguments) Labelling subplots; Legend using pre-defined labels; Legend Demo; Artist within an artist; Convert texts to images; Mathtext; Mathtext Examples; Math fontfamily; Multiline; Placing text boxes May 31, 2012 · I am beginning to use Python for my scientific computing, and I am really liking it a lot, however I am confused by a feature of the matplotlib. Legend () is a matplotlib package method that is used to show a legend on graphs. You can specify the location using the loc parameter in the legend() function. Than changing the bbox_transform to the data coordinate system produces the desired Nov 12, 2020 · The location can also be a 2-tuple giving the coordinates of the lower-left corner of the legend in axes coordinates (in which case bbox_to_anchor will be ignored). More information in matplotlib documentation. pyplot as pltimport numpy as npx = np. For your code, change the legend line to plt. show() which produces the error Feb 25, 2022 · The user can force the legend to be in 9 different locations or let matplotlib decide where is the best location for the Legend. Aug 7, 2023 · The loc parameter determines where the legend’s anchor point should be. gcf(). legend (bbox_to_anchor= (1, 1)) This code will move the legend to the top right corner of the plot. pyplot as plt import numpy as np import matplotlib. 3 is 0. legend(), which produces a legend with the handles from the axes ax, one can create a figure legend. prop : None or `matplotlib. Jan 5, 2020 · Legend location¶ The location of the legend can be specified by the keyword argument loc. Parameters: objthe object with the plot. pylab. ) are specified by Mar 4, 2019 · 75. The shrink kwarg provides a simple way to scale the colorbar with respect to the Axes. If False, legend marker is placed to the right of the May 7, 2017 · To get all your lines onto the same legend, write: lns = line6 + line7 + line9 labels = [l. font_manager. See examples, explanations and answers from experts and users. Specifying Legend Locations Feb 8, 2018 · Bases: matplotlib. """fontsize=self. legend(lns, labels) To get your legend outside of the plot, refer to this answer How to put the legend out of the plot , and you can write: For the automatic positioning of a single legend in a figure with many axes, like those obtained with subplots(), the following solution works really well: plt. bbox_to_anchorでは, 凡例の枠の, 図全体に対する相対的な位置を決定します。. Here's my first guess. A 2-tuple (x, y) places the corner of the legend specified by loc at x, y. legend_handler import HandlerLineCollection Aug 13, 2021 · The legend_box is an instance of the OffsetBox, which is packed with legend handles and texts. A figure legend. x_value has been eyeballed for a good correspondence with the "normal" legend. The alignment of the legend title and the box of entries. legend(title="My Title", fontsize=10, title_fontsize=15) where fontsize is the font size of the items in legend and title_fontsize is the font size of the legend title. 이 페이지에서는 그래프에 다양한 방식으로 범례를 표시하는 방법에 대해 소개합니다. How to put the legend out of the plot. figure. By default, the legend has a frame. legend(). For back-compatibility, 'center right' (but no other location) can also be spelled 'right' , and each "string" locations can also be given as a numeric value: Aug 13, 2021 · The legend handler map specifies how to create legend handles from artists (lines, patches, etc. upper right -- 1. 0. subplots_adjust(right=0. Let’s consider a few examples to showcase different ways to May 19, 2016 · 6. The `frameon` parameter controls whether or not the legend has a frame. Step 5: Adjust the Plot’s Size. If True, legend marker is placed to the left of the legend label. e. Place a legend on the axes at location loc. 5, 0. If you use numeric values the first value is the position to the RIGHT of the plot matplotlib. Once packed, their location is calculated during the drawing time. But that's not the case here since the legend overlaps with one of the dots. I don't know why you want 0. I have checked the legend guide but can't find any info on how to do this. 1 or later, where no special arguments are needed. For the second answer based on Axes: Jan 5, 2020 · The string 'center' places the legend at the center of the axes/figure. ‘upper left’ means the upper left corner of the legend will be at the position specified by bbox_to_anchor. For more details on legends there is also a legend guide. Customizing Legend Location. legendHandle = plt. One may use a legend to the figure instead of the axes, matplotlib. show() The drawback of this is of course that the amount of whitespace depends on the legend size. By default, matplotlib draws the legend in the ‘best’ location i. So, for your example, something like: May 18, 2019 · The location can also be a 2-tuple giving the coordinates of the lower-left corner of the legend in axes coordinates (in which case bbox_to_anchor will be ignored). Try to use bbox_to_anchor=(x, y, width, height) as well (maybe with negative values) to move the legend outside of the figure. For back-compatibility, 'center right' (but no other location) can also be spelled 'right' , and each "string" locations can also be given as a numeric value: . Legend Demo. From the documentation : The strings 'upper left', 'upper right', 'lower left', 'lower right' place the legend at the corresponding corner of the axes/figure. For example, if you want your axes legend located at the figure's top right-hand corner instead of the axes Jun 17, 2020 · Legend location¶ The location of the legend can be specified by the keyword argument loc. plot(age) To change the position of a legend, you can use the following code: python. The number of columns that the legend has. g. A: To change the size of the legend in Matplotlib, you can use the `legend ()` function’s `fontsize` parameter. fig, axs = plt. Draw a box and whisker plot. Call signatures: legend()legend(labels)legend(handles,labels) The call signatures correspond to three different ways how to use this method. edited Jun 7, 2021 at 22:19. Default Legend Location. In the documentation you can read: alignment {'center', 'left', 'right'}, default: 'center'. Positioning the Matplotlib Legend at the Bottom. The string 'best' places the legend at the location, among the nine locations defined so far, with the minimum overlap with other drawn artists. The bbox argument is in axes co-ordinates, so 0. Matplotlib Legend Location Matplotlib Legend Location. legend(title='s ') plt. 3, the axes gets smaller due to tight_layout and hence Nov 12, 2020 · The string 'center' places the legend at the center of the axes/figure. legend. For this, we need to pass ‘lower left’ to the loc parameter. 7 but if you make the bbox move down to -0. 0') and then moving the label to where I want it. The legend has quite a few entries, and each entry can be quite long (but I don't know exactly how long). plot(range(10)) lg = ax. There are at least two ways to access legend 범례 (Legend) 는 그래프에 데이터의 종류를 표시하기 위한 텍스트 입니다. fig. Another option for creating a legend for a scatter is to use the PathCollection. While not all artist types are covered by the default legend handlers, custom legend handlers can be defined to support arbitrary objects. Usually, it also places the legend in a good place. proj_transform(x,y,z, ax. Since here the axes ax_sub is empty, the legend will be empty as well. Use the bbox_to_anchor argument, which offers control for manual legend placement. legend(loc='upper center', bbox_to_anchor=(0. legend()にオプションを何も含めない場合。import matplotlib. 7, the pad will be 70% of the axes height. legend(loc='upper left', bbox_to_anchor=(1, 1)) plt. set_title() if you didn't store the. markerfirst: bool. colorbar. Oct 19, 2020 · Setting legend location in matplotlib (while using geopandas) 37. legend function. legend (fontsize=10) You can also use the `bbox_to_anchor` parameter to specify the location of the legend. However, we still need all Now in 2021, with matplotlib 3. For example, if you want your axes legend located at the figure’s top right-hand corner instead of the The location can also be a 2-tuple giving the coordinates of the lower-left corner of the legend in axes coordinates (in which case bbox_to_anchor will be ignored). ‘bottom right’, ‘top’, ‘top right’, etc. The use of the ax_sub may anyways not make too much sense. One common feature in plots is the legend, which provides information about the data being displayed. Syntax: legend (markerfirst = bool, default: True) By default, the marker is placed first and the label is placed second. 2 Steps to Placing a Legend Outside of a Plot in Matplotlib Explained. boxplot. Note that if cax is specified, it determines the size of the colorbar, and shrink and aspect are ignored. legend = plt. subplots. Jul 11, 2021 · You need to use the loc parameter to select the location of the legend. 7) The legend helps viewers understand the meaning of different elements in the plot. , 0. By default it will take the labeled artist from the axes it is created in. The elements to be added to the legend are automatically determined, when you do not pass in any extra arguments. This value can be changed at Dec 7, 2023 · Customizing Legend Labels and Marker Styles in Matplotlib. If mappable is a ContourSet, its extend kwarg is included automatically. 0. set_title(fontsize='large') plt. 3125]. この位置のことを Jun 7, 2023 · Positioning the Legend Outside the Plot. Default is [0. Artist. Instead of ax. Here we use the axes coordinates (1, 0, 0. For example, if you want your axes legend located at the figure's top right-hand corner instead of the axes The legend is placed at the top right in this example, which matplotlib determined to be the ‘best’ location for the legend. loc参数的具体使用情况如下：String由两个单词拼合而成，第一个单词 Sep 18, 2017 · The legend needs to know what it should show. area(alpha=0. 6, there's the alignment parameter. To draw all markers at the same height, set to [0. Apr 11, 2012 · I'm familiar with the following questions: Matplotlib savefig with a legend outside the plot. For example (I've simplified the command a bit), the three options below will produce different locations for your legend, Mar 26, 2013 · Since matplotlib version 3. after calling: plt. 2. Obviously, that's quite easy using. get_label() for l in lns] plt. transFigure, you Apr 10, 2022 · The legend is a section that defines the components of the graph. For example, if you want your axes legend located at the figure’s top right-hand corner instead of the Automated legend creation #. Markers are automatically accurate. 1, 1, 1), bbox_transform = plt. 5, 1) in axes coordinates. Using the `frameon` parameter. artist. Example 1 – Place legend at bottom left. Apr 2, 2019 · The easiest option I currently see here is to use tight_layout to have the subplots distribute nicely in the figure, and after that, add some space for the legend manually. Here's how to use it: import matplotlib. Share This is not a duplicate of this answer which only states how to place a legend on the figure. ) are specified by the handler map, which defines the mapping between the plot elements and the legend handlers to be used (the default legend handlers are defined in the legend_handler module). For back-compatibility, 'center right' (but no other location) can also be spelled 'right' , and each "string" locations can also be given as a numeric value: This is the pyplot wrapper for Figure. Figure. Jan 25, 2018 · 1. We could instead use the middle axes (ax[1]) to place the legend. Jun 14, 2022 · I tried following How to put the legend outside the plot but bargraphs dont seem to work with ax = fig. l… Feb 25, 2015 · 3. 5) A 2-tuple `` (x, y)`` places the corner of the legend specified by *loc* at x, y. Labels are a sequence of strings and loc can be a string or an integer specifying the legend location. The entries are > aligned as a single block, so that markers always lined up. The location of the legend can be customized to best fit the plot layout. It seems that the answers in these questions have the luxury of being able to fiddle with the exact shrinking of the axis so that the legend fits. For example, if you want your axes legend located at the figure's top right-hand corner instead of the axes Jan 23, 2020 · I would like to change the fontsize of the title of my legend in matplotlib. By default, Matplotlib automatically chooses the best location for placing the Matplotlib legend based on the available space in the plot. Each column is a VPacker, vertically packed with# legend items. subplots(6, 3, figsize=(12,8), sharex=True, sharey=True, constrained_layout=False) Jul 21, 2020 · When you add a legend, you use the following elements to customize legend labels and colors: loc=(how-far-right, how-far-above-0): specify an x and Y location of the plot Or generally specify the location e. May 18, 2019 · Legend location¶ The location of the legend can be specified by the keyword argument loc. This option can be quite slow for plots with large amounts of data; your plotting speed may benefit from providing a specific The vertical offset (relative to the font size) for the markers created for a scatter plot legend entry. pyplot 모듈의 legend () 함수를 사용해서 그래프에 범례를 표시할 수 있습니다. iloc[0:30]. The default value for Loc=”best” is (upper left). legend_elements method. By default, Matplotlib places the legend in the upper right corner of the plot. The way of getting position of the legend depends on the legend and when do you access it. I'm trying to place a rather extensive legend outside my plot in matplotlib. pyplot as plt import numpy as np x = np. legend() legend. 5x the inter-quartile range (IQR) from the box. Place a legend on the axes. In your case something like: plt. Jan 5, 2020 · The Legend class can be considered as a container of legend handles and legend texts. 5)) but the problem is that the legend is cut off by Mar 14, 2023 · How To Change Legend Font Size in Matplotlib Using the prop Parameter. Creation of corresponding legend handles from the plot elements in the axes or figures (e. For example, the following code will increase the size of the legend by 10 points: plt. set_title("title") # plt. rand(2, N) c = np The location can also be a 2-tuple giving the coordinates of the lower-left corner of the legend in axes coordinates (in which case bbox_to_anchor will be ignored). the place that overlaps the least with the lines drawn. Oct 2, 2016 · You can access the legend defined on the ax instance with ax. The legend () method’s loc argument can be used to specify where the legend should appear. By default, Matplotlib automatically generates a legend that correctly reflects the colors and labels we passed. ) in the axes or figures. FontProperties` or dict The font May 31, 2021 · 1. But I do have a fontproperties object to that Chinese font type. 在绘制图表时，为了使读者易于理解，通常需要使用图例。Matplotlib的图例（legend）可以显示图表中数据的含义，如不同线条或标记的颜色、形状、大小等。Matplotlib图例的位置决定在图表中显示的位置。Matplotlib提供了一些预设的位置，也可以通过设置自定义位置。 Learn how to control the legend entries, location, and appearance in Matplotlib. bbox_to_anchor: (x, y) to specify coordinates; Placed in the graph (loc) The legend can be placed anywhere in the graph with loc 1. You can then update the location of the legend using the method set_bbox_to_anchor. By default, Matplotlib will automatically place the legend at the best location within the plot area to avoid overlapping with other elements. Alternatively, you can shrink the content of the figure, such that there is enough space for the text to fit into the original figure. When bbox_to_anchor and loc are used together, the loc argument will inform matplotlib which part of the bounding box of the legend should be placed at the arguments of bbox_to_anchor. jm ir fk ye ah qx yy my vn yr