title(r'ABC123 vs $\mathrm{ABC123}^{123}$') Basic idea is that you need to set both the regular and mathtext fonts to be the same, and the method of doing so is a bit obscure. Jan 21, 2015 · In matplotlib, I want to change the font properties for a colorbar label. show() You can also use the following to change font globally. Because it embeds fonts directly in output documents, e. Changing fonts in matplotlib. The default font is DejaVu Sans which covers most European writing systems. See matplotlib. You can control the defaults of almost every property in matplotlib: figure size and dpi, line width, color and style, axes, axis and grid properties, text and font properties and so on. dirname(matplotlib. pyplot. How do I set the figure title and axes labels font size? 3. The xlabel font maybe use 'plt. rc('axes', labelsize=10) #fontsize of the x and y labels. setp(L. > I have a hopefully simple question: How can I change the > font size and type of the legend, and how can I remove the > frame around the legend? Hi Jorgen, Right now there are no nice functions to access the attributes of the legend, though they will be easy to add. Matplotlib can use LaTeX to render text. Usually, double-click on the . Annotate the point xy with text text. findfont: Font family ['NotoSerifHebrew-Regular'] not found. rcParams[‘font. 2. linewidth'] = 2. legend() plt. Here is an example code snippet Oct 5, 2019 · How to change fonts in matplotlib (python)? 31. See full list on statology. clip(randn(250,250),-1,1) data = np. Apr 3, 2015 · I simply changed the font size in Matplotlib (one can also change the text colour using rcParams). bar_label. Aug 7, 2023 · To change the font size of the colorbar, you can use the ax. update ( {'font. Create a Text instance at x, y with string text. title() functions to set font properties for the titles and labels of a plot. I would like to change font on Times New Roman like this: from matplotlib. 5] . The functions in Matplotlib make it work like MATLAB software. use ('seaborn-deep') Changing the font type (borrowed from top answers and tested myself. Tick properties that are not explicitly set using the keyword arguments remain unchanged unless reset is True. In this way you can switch easily between different styles by simply changing the imported style sheet. Parameters: Jul 20, 2022 · You can use the weight argument to create a bold font in Matplotlib. It would be Helvetica in this case. plt. To draw edges, add line contours with calls to contour. set_text_props() method as described in this example. rcParams['ytick. 0 is at the base the legend text, and 1. If fontproperties is given the default values for font size and weight are taken from the FontProperties defaults. set_figure() Function The Axis. Changing Axis Font Size. cm. pie it returns a tuple of (patches, texts, autotexts Oct 27, 2016 · In Windows, right-click and choose "Install. Add text to the Axes. random import randn data = np. e. The default family is set with the font. family rcparam, e. 1 and I have fonttools-4. Jun 17, 2011 · There is a simpler way actually. Text properties control the appearance of the A simple example showcasing the new math_fontfamily parameter that can be used to change the family of fonts for each individual text element in a plot. Apparently it is not enough for the matplotlib. Nov 26, 2015 · set an explicit width for my Latex figures and set the same size with Matplotlib. It has a module named Pyplot which makes things easy for plotting. This method allows you to change various parameters related to the ticks, including their font size. The coordinate system can be changed using the transform parameter. Matplotlib makes it easy to use fonts installed on your machine. from matplotlib imp Oct 21, 2016 · If you are trying to increase the font size but some numbers disappear because of big size, you can do. Then we can run the following code to use our choosen font: from matplotlib import font_manager font_dirs = ['path/to/font/'] font_files = font_manager. Once that is done, you can make the visualization as you usually would: The string sizes are defined relative to the default font size which is specified by. If None, the previous value is left as is. The following examples show how to use each method in practice. This could be done by deleting the fontlist-vXXX. A dict of font properties. From what I understand of this documentation matplotlib provides 3 ways to change the style parameters for plotting (things like axes. figure(figsize = (6, 5)) font1 = {'family':'serif','color':'black','size':16} # use for title. annotate to specify a particular font. label. x = np. Matplotlib has extensive text support, including support for mathematical expressions, truetype support for raster and vector outputs, newline separated text with arbitrary rotations, and Unicode support. answered Oct 28, 2020 at 14:27. In this figure, "1e-4" is just too small compared to other texts and labels. findSystemFonts(fontpaths=font_dirs) for font_file in font Jan 23, 2022 · I want to use Times New Roman font with my matplotlib plots. annotate(text, xy, xytext=None, xycoords='data', textcoords=None, arrowprops=None, annotation_clip=None, **kwargs) [source] #. Axes. , 'serif', 'sans-serif', 'monospace', 'fantasy' or 'cursive'), or a combination of both. Parameters: labels sequence of str or of Text s. Axis. Apr 15, 2015 · Apr 15, 2015. ttf. Another way of changing the font size of a legend is by using the legend function's prop parameter. path. For example I want the label to appear bold. 0. Comprehensively setting matplotlib font parameters. ax. This is useful, for example, to use the same font as regular non-math text for math text, by setting it to regular. If the exponent is an offset computed by matplotlib you can do the following to change the font size of the exponent to 30. I know I can do something like this: plt. 5 installed. serif: Helvetica This results in plot components like the title and axis labels obeying the prescribed font correctly. Run this once in your virtual environment (s): matplotlib. But when I take one from this list, (e. text(x, y, s, fontdict=None, **kwargs) [source] #. I understand that this should make mpl use Latex for ALL text processing in the figure (title, labels, text, annotation, etc. tick_params — Matplotlib 3. addfont(font_path) prop = font_manager. ttf file and then click on the Install button in the window that pops up. Changing the font name without changing the default font python. set_xlabel. subplots() # We change the fontsize of minor ticks label. 915. axis. get_fontconfig_fonts(): try: if matplotlib. from matplotlib import pyplot as plt. The default font is BitstreamVeraSans Roman, but we want to try out something else. Thanks to John Gill for providing the class and table. spines Feb 5, 2022 · I specify the font which I would like to use (Helvetica for example) by writing: font. Clear matplotlib cache by running the following command on your terminal. In this article, we are going to Change Legend Font Size in Matplotlib. The vertical offset (relative to the font size) for the markers created for a scatter plot legend entry. linspace(1,1. That way setting a font size in mpl equal to the Latex font size should be a first step. , for postscript or PDF, what you see on the screen is what you get in the hardcopy. # Plot the median life expectancy by Jul 6, 2012 · import matplotlib matplotlib. label also return a matplotlib. Size: Any positive integer value. Feb 27, 2016 · Adding the font is the important part, otherwise, the font will not be detected: import matplotlib. May 10, 2017 · Mathtext can use DejaVu Sans (default), DejaVu Serif, the Computer Modern fonts (from (La)TeX), STIX fonts (with are designed to blend well with Times), or a Unicode font that you provide. By default, this is in figure coordinates, floats in [0, 1]. 2 you can set your legend fonts with. Those ways are: using style sheets to set many parameters at a time; setting specific parameters through matplotlib. Jul 10, 2020 · Below is what I'm working with and how I globally set the font. local/share/fonts/ and run fc-cache. This example illustrates the usage and effect of the most common formatters. rcParams['font. in here. Add text to figure. Jan 3, 2021 · Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. You can adjust this value to suit your needs matplotlib. tick_params(axis='both', **kwargs)[source] #. usetex : True in your rcParams, or by setting the usetex property to True on individual Text objects. Feb 24, 2018 · Change font width in matplotlib. update(plt. #define x and y. It accepts: a format string, which implicitly creates a StrMethodFormatter. findSystemFonts(fontpaths=None, fontext='ttf') [source] #. grid ). titleweight"] (default: 'normal') are ignored in this case. Matplotlib: set label font without setting label. The coordinate system can be changed using the transform keyword. I just found: import matplotlib. plot(age) Mar 22, 2013 · 15. 4. Add a colorbar to a plot. Or by running matplotlib. 10 pt is the standard value; Additionally, the weight can be specified (though only for the default it appears) by. Jul 15, 2022 · Matplotlib provides a helpful function to make this easy. Search for fonts in the specified font paths. __file__), 'mpl-data/fonts/ttf') for font_filename in matplotlib. To change the font size in Matplotlib, the two methods given below can be used with appropriate parameters: Change Font Size using fontsize You can set the font size argument, figsize change how Matplotlib t ax. masked_where(data > 0. See Text alignment. matplotlib font not found. Previous answer didnt give what I wanted. Change font type of some letters in a word in a Matplotlib plot. This argument is mandatory for the Figure. 3. You can pass fontname to . Using built-in fonts. contourf fills intervals that are closed at the top; that is, for boundaries z1 and z2, the filled region is: z1 < Z <= z2. If no parameter is set, the global value rcParams["mathtext. Container with all the bars and optionally errorbars, likely returned from bar or barh. But I do have a fontproperties object to that Chinese font type. So 'plt. rcParams' when pandas. otf' # Your font path goes here font_manager. rcParams['text. Resetting default fonts/colours for plots in Python/Matplotlib. pyplot as plt. The label text. colorbar method but optional for the pyplot. 4. subplots(figsize=(6, 5)) # A simple Feb 16, 2004 · Hi, I just discovered matplotlib, it seems really cool & > just what I have been looking for. rcParams['font. If no paths are given, will use a standard set of system paths, as well as the list of fonts tracked by fontconfig if fontconfig is installed and available. fontset'] = 'stix' matplotlib. Any suggestions are greatly appreciated. Therefore, the dataframe plot can be assigned to a variable, ax, which enables the usage of the associated formatting methods. tick_params #. 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. set_figure() function in axis module of matplotlib library is used to In Matplotlib, we use the fontdict parameter of the pyplot. The mathtext font can be selected with the customization variable mathtext. This does not change the font for the numbers on the axes. This is activated by setting text. More information in matplotlib documentation. If you want to change the font properties globally, you can use the rcParams dictionary in Matplotlib. the font family. 1. import numpy as np. Let’s see how to change it next. default rcParam. plot()` function. family'] = 'STIXGeneral' matplotlib. However, when I try: plt. size'] = 9. xaxis. 0) file from the matplotlib folder. change the plot background color to a different color. import matplotlib. print matplotlib. pie() function. age = [1, 4, 6, 8] number = [4, 5, 6, 2, 1] plt. Unfortunately, it seems the matplotlib TeX engine will always use the Roman font if you ask for Times New Roman, see below: Verdana: Arial: Bitstream Vera Feb 3, 2023 · Matplotlib is a library for creating interactive Data visualizations in Python. pyplot as plt from matplotlib import font_manager font_path = 'Inter-Regular. There are a couple of ways you can change the font size of the labels. You can explicitly set which font family is picked up for a given font style (e. path import matplotlib import matplotlib. rc('ytick',labelsize=8) Or, equivalently: plt. ). A variety of fonts are in fact supported by matplotlib, alone has to do in order to implement is pass the name as value to fontname parameter. The available titles are positioned above the Axes in the center, flush with the left edge, and flush with the right edge. Once added, we’ll set the entire Matplotlib font family to Merriweather, so we don’t have to specify the font everywhere manually. figtext(x, y, s, fontdict=None, **kwargs) [source] #. The tick format is configured via the function set_major_formatter or set_minor_formatter. I then found a recommendation to instead try: Jan 11, 2019 · How to change fonts in matplotlib (python)? 32 Change Matplotlib's default font. import os, glob. get_yticklabels(): t. set_title, or . subplots(1,1) im = ax1. rcParams' should set in front of pandas. Text object, so you can call set() or set_size() on it to change the fontsize (you can also change the position with the former). rcParams or matplotlib. In the simplest form, the text is placed at xy. Set one of the three available Axes titles. 1. ¶. DataFrame. serif setting allows you to change the serif font to anything you want. I looked through the properties of the returned Table, but cannot see any properties with relevance as suggested here Nov 12, 2020 · Configuring the font family. Set a title for the Axes. xlabel. To find the file: import matplotlib. You can explicitly set which font family is picked up, either by specifying family names of fonts installed on user's system, or generic-families (e. font_manager destination = os. cbar. family'] = 'sans Aug 25, 2017 · I used this ipython code to make sure Georgia was installed in a virtualenv. Sep 15, 2022 · Matplotlib library is mainly used to create 2-dimensional graphs and plots. NotoSerifHebrew-Regular), I get a warning. Matplotlib needs fonts to work with its text engine, some of which are shipped alongside the installation. 28. You may need to adjust the axis limits to fit the labels. style as style style. Feb 25, 2020 · to get the name of the font printed. Alejo Bernardin. Here we are intending to modify some of the tick labels in Matplotlib but with no side effects, which works clean and which preserves offset scientific notations. For example, we can change the color, rotation angle, and formatting of our tick labels. You’ll want to add the fonts one by one inside the loop. Axes. pyplot as plt import numpy as np from numpy. x = [1, 4, 10] y = [5, 11, 27] #create plot of x and y. join(os. Here is some example code: Jan 13, 2021 · In this article, we will see how can we can change the font family of our graph using matplotlib. Mar 14, 2023 · How To Change Legend Font Size in Matplotlib Using the prop Parameter. style. So you also need to set the default font to 'regular': rcParams['mathtext. " In Linux, put your TTF file in ~/. tick_params(labelsize=20) In this line of code, labelsize=20 changes the font size of the colorbar labels to 20. pyplot as plt # Set the default text font size. To draw all markers at the same height, set to [0. See this figure: 1. Jul 16, 2019 · 1. Text handling through LaTeX is slower than Matplotlib's very capable mathtext, but is more flexible, since different LaTeX packages (font packages, math packages, etc A: To change the font size of a Matplotlib plot, you can use the `fontsize` parameter of the `plt. # We prepare the plot. fig. use the usetex = True option in mpl. rc solution given changes the default font for all drawing. pyplot . matplotlib_fname() Now, add these lines to the file: font. table(cellText=stats,colWidths=cwid,rowLabels=rows,colLabels=columns,loc='center',fontsize=5) If you require greater control, you can pass a FontManager instance to the cell. FontProperties(fname=font_path) plt. sans-serif : Arial. rc('axes', titlesize=10) #fontsize of the title. tick_params(axis='both', which='major', labelsize=10) ax. color'] = 'r'. , 'serif', 'sans-serif', or 'monospace'). The text string. I wanted to change it permanently, so edited the matplotlibrc file which holds all the default settings. pyplot as plt plt. ScalarMappable (i. yaxis. This is how I did it: import matplotlib. Method 2: Use Bold Font in Annotated Text. Texts for labeling each tick location in the sequence set by Axes. rcParams['mathtext. text. tick_params(axis='both', which='minor', labelsize=8) This only answers to the size of label part of your In this article, we will explore different ways to change the label size in Matplotlib. Related questions. Changing the Font Size of Labels. contourf differs from the MATLAB version in that it does not draw the polygon edges. figure () The parameter 'plt. Parameters: x, yfloat. Note that Matplotlib handles fonts in True Type Format (. set_xlabel #. 2 with python 3. import pandas as pd. g. pyplot as plt csfont = {'fontname':'Times New Roman'} // write your code related to basemap here plt. In this article, we will explore how to change the axis font size in Matplotlib. colorbar() for t in cbar. contourf. A complete list of params can be found here. size’] = 16. json (where XXX = 310 for version 3. Optionally, the text can be displayed in another position xytext . 8 (PyCharm). font_manager. 5. axes. The font. figure() Nov 2, 2021 · In this case, you have to specify the font size for each individual component by modifying the corresponding parameters as shown below. pyplot as plt fig, ax = plt. rcParams' is the default value. The legend method in Matplotlib describes the elements in the plot. ax. import pdb. This argument is commonly used with titles and annotated text in Matplotlib: Method 1: Use Bold Font in Title. default'] = 'regular' This option is available at least since matplotlib 2. rc('font', size=10) #controls default text size. font_manager import FontProperties font = FontProperties() font. You can dynamically changet the rc settings. Using pyplot. It is an amazing visualization library in Python for 2D plots of arrays and used for working with the broader SciPy stack. labelsize']=8 plt. imshow(data, interpolation='nearest') cb = plt. weight - The default weight of the font used by text. Feb 21, 2014 · The . tick_params method. Add the following at the top of your script: import matplotlib as mpl mpl. rcParams['lines. However, I cannot find a way to change other front properties of the table, e. This parameter allows you to specify the font size of the labels in points. The fontdict function on its own takes parameters such as: Family: serif, cursive, sans-serif, fantasy, monospace. Nov 29, 2019 · This default [font] can be changed using the mathtext. use. I have searched and tried but haven't found a way to change the size of the scientific appendix. fontset (see Customizing matplotlib ) Another way to change the visual appearance of plots is to set the rcParams in a so-called style sheet and import that style sheet with matplotlib. 0 Or you can modify the labels after they have been created. Image 2 — Visualization with default fonts (image by author) As you can see, the fonts look decent, but I don’t know a single brand that uses DejaVu Sans as their font of choice. Label a bar plot. This is the pyplot wrapper for axes. fig, ax = plt. Here's how to use it: import matplotlib. rc; or using May 8, 2023 · 2. xlabel() , pyplot. Change the appearance of ticks, tick labels, and gridlines. This parameter allows you to specify the size of the font in points. Spacing in points from the Axes bounding box including ticks and tick labels. Apr 14, 2021 · I can change the font size, as shown below based on the post here: How to change the table's fontsize with matplotlib. like this: Because the 'plt. family: sans-serif font. set_fontsize(20) edited Oct 28, 2020 at 14:32. 0001,100) fig = plt. None of the issues discussed in some of the other answers are faced in this solution. A list of label texts, that should be displayed. set_xlabel, . However, users can configure the default fonts, and provide their own custom fonts. . label or ax. legend Change Legend Font Size Example 1: using fontsi Change the font just for the title or axis labels. rcParams. 0 is at the top. from matplotlib_venn import venn3. Nov 3, 2010 · Global default colors, line widths, sizes etc, can be adjusted with the rcParams dictionary: import matplotlib. The cell (0, 0) is positioned at the top left. Matplotlib axes resizing to accommodate text. Apr 1, 2021 · From here, we can use the font_manager from Matplotlib to add fonts from a file. However, the axis tick labels (the numbers on the axis) are not changing their font. rcParams["figure. The label position. org None or dict, optional. A style sheets looks the same as a matplotlibrc file, but in a style sheet you can Handle storing and drawing of text in window or data coordinates. rcParams['xtick. set_facecolor('lightgrey') or. xticks and plt. Install fonts on your system. rcParams["font. To change the font size of the axis labels in Matplotlib, you can use the fontsize parameter in the xlabel() and ylabel() functions. plot(), matplotlib. ttf), so make sure you install fonts ending in . set_ylabel , . matplotlib. The matplotlib. 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. You can check if it worked and get the name of the font with fc-list. 5. colorbar function, which sets the default to the current image. " … Mar 24, 2015 · Is there a way to change the font color of the legend in a matplotlib plot? Specially in occasions where the background of the plot is dark, the default black text in the legend is hard or impossible to read. If you need more control, use the Table class and its methods. Jun 9, 2015 · In your example from above, for a fontsize of 5 points you would use: the_table =tab. fontManager. rcParamsDefault) Conclusion. In this tutorial, you learned how to use Matplotlib to change the font sizes in your visualization. set_xticks; the number of labels must match the number of locations. This allows you to set default font properties for all Sep 7, 2022 · I checked which fonts I have by doing. , AxesImage , ContourSet, etc. Here is an example of how to change Jan 11, 2024 · In addition to changing the font size, we can also customize other aspects of our axis tick labels using the plt. font2 = {'family': 'Comic Sans MS', 'size': 8. plot(x, y, fontsize=16) You can also set the font size globally by using the `rcParams` dictionary. cbar = plt. family"] = "Times New Roman" The font doesn't change. titlesize"] (default: 'large') and rcParams["figure. Fortunately this is easy to do using the following code: import matplotlib. I have been trying to change the default font to Arial. ylabel() and pyplot. I'm currently using matplotlib-3. rc('font', size=16) # Set the axes title font size. 2. Matplotlib: set superscript font size. Q: How do I change the color of the text in a Matplotlib plot? A Mar 25, 2021 · Matplotlib change font size within table (just header) - python. You could also adjust the line width after you draw your pie chart: from matplotlib import pyplot as plt. May 2, 2018 · First we download our font (again as an example we will use Comic Sans), and then we save it somewhere on the disk ( path/to/font/ ). yticks functions. set_size(20) A working example: The extracted font properties. You can see a list of the custom Jan 21, 2011 · For those using pandas. Sep 3, 2020 · Often you may want to change the font sizes of various elements on a Matplotlib plot. family"] = "Times New Roman" Nov 4, 2017 · I want to change the font type of the legend texts in Matplotlib. See also Text alignment. Feb 26, 2015 · You can find more information about customising LaTeX in matplotlib in this documentation on the SciPy wiki. _rebuild() via code. You'll notice the difference in fonts when comparing the style of "1" on the plots. For example, to change the color of x-axis tick labels to red, you can use the plt. Now in 2021, with matplotlib 3. title(label, fontdict=None, loc=None, pad=None, *, y=None, **kwargs) [source] #. The position to place the text. edited Jun 7, 2021 at 22:19. sstr. xticks (color='red') command. We specifically use Google fonts and matplotlib, but these techniqu . The text is aligned relative to the anchor point ( x, y) according to horizontalalignment (default: 'left') and verticalalignment (default: 'baseline'). _rebuild() Restart your kernel if you're using Jupyter. labelsize']=8 Finally, if this is a setting that you would like to be set for all your matplotlib plots, you could also set these two rcParams in your matplotlibrc file: Aug 31, 2011 · "Customizing matplotlib: matplotlib uses matplotlibrc configuration files to customize all kinds of properties, which we call rc settings or rc parameters. title('title',**csfont) plt. Matplotlib. bold text in matplotlib table. 9. Setting global font properties. Axes is returned when creating a plot from a dataframe. 16 cannot change font to Helvetica in Matplotlib in Python on Mac Jul 15, 2021 · Example 1: Set Tick Labels Font Size for Both Axes. font. from matplotlib import rcParams. The default plotting backend for pandas, is matplotlib. 3 Dec 8, 2014 · How to change the font size on a matplotlib plot. Use the factory function table to create a ready-made table from texts. axes is bulit. 5, data) fig, ax1 = plt. The table consists of a grid of cells, which are indexed by (row, column). 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. 0. family'] = 'sans-serif matplotlib. Apr 15, 2015 · How to change the default latex font in matplotlib. Set the label for the x-axis. This is a high-level alternative for passing parameters x and horizontalalignment. 5} # use for labels. font Nov 4, 2020 · I use matplotlib 3. findSystemFonts(fontpaths=None, fontext='ttf')" I don't think I see fonts like Times New Roman, Helvetica, etc. fontset"] (default: 'dejavusans') will be used. Font size in matplotlib. 1,185 14 23. texts, family='Consolas') This allows you to choose a I want to make a plot with large font size, I can change all font sizes easily except when I use scientific notations in the axis label. Basically, we need things like Mar 5, 2020 · Comprehensively setting matplotlib font parameters. %matplotlib inline import matplotlib. Adds labels to bars in the given BarContainer . colorbar. The following code shows how to create a plot using Matplotlib and specify the tick labels font size for both axes: import matplotlib. Oct 7, 2020 · In this video we go over how to import custom fonts into your Python data visualizations. plot(x, y) Aug 12, 2018 · So if you just want to get rid of the stupid default font in matplotlib and seaborn and is OK with Arial, go and type. font_manager to find it. rc('xtick',labelsize=8) plt. Here is a solution for doing this when you don't want to change all the fonts, but just the font properties of the legend of this particular graph (a legend belonging to a particular axis object): L = ax. An arrow pointing from the text to the annotated Tick formatters define how the numeric value associated with a tick on an axis is formatted as a string. If you need to reset your Matplotlib rcParams back to their default values, simply run the code below: # Resetting rcParams in Matplotlib plt. change the textprops color to something different: textprops={'color':"blue", 'size': 10, 'weight':'bold'} You can easily manage the font size, style and color using the textprops argument in the ax. For example: plt. When you call ax. colorbar(im) fg_color = 'white' bg_color = 'black' # IMSHOW # set title plus title Nov 22, 2016 · You need to set font family using pyplot of matplotlib. Jan 2, 2020 · plt. In the example below, we only allow one font family (Tahoma) for the sans-serif font style. import os. size - the default font size for text, given in pts. ) described by this colorbar. size': 36})' must set in the top. ma. Text. set_family(' May 22, 2018 · How to change the font size on a matplotlib plot. rc('axes', titlesize=16) # Set the axes labels font size. #. One way to change the label size in Matplotlib is by setting the font size of the labels using the fontsize parameter. 35. The font of the axis tick mark labels produced from the following code isn't Helvetica, but is still the default serif Computer Modern. By default, this is in data coordinates. family : sans-serif. 1 documentation. Rebuild the font cache. ft ra cn yy ba gv yk rv mz hr