Example matplotlib config with latex fonts

matplotlib_preamble_sans.py

%config InlineBackend.figure_format = 'retina'
import matplotlib.pyplot as plt
from matplotlib.markers import MarkerStyle
from matplotlib.transforms import offset_copy
from matplotlib.patches import Ellipse, Rectangle, ConnectionPatch
from matplotlib.lines import Line2D
from matplotlib.legend_handler import HandlerTuple
import contextlib

plt.rc("figure", dpi=300)
plt.rc("figure", figsize=(4, 4))
SMALL_SIZE = 5
MEDIUM_SIZE = 7
BIGGER_SIZE =  8
plt.rc('font', size=SMALL_SIZE)
plt.rc('axes', titlesize=MEDIUM_SIZE)
plt.rc('axes', labelsize=SMALL_SIZE)
plt.rc('xtick', labelsize=SMALL_SIZE)
plt.rc('ytick', labelsize=SMALL_SIZE)
plt.rc('legend', fontsize=SMALL_SIZE)
plt.rc('figure', titlesize=BIGGER_SIZE)
plt.rcParams.update({
    "text.usetex": True,
    # "font.family": "serif",
})
preamble = r"""
\renewcommand{\familydefault}{\sfdefault}
\usepackage[scaled=1]{helvet}
\usepackage[helvet]{sfmath}
\usepackage{textgreek}
"""
plt.rc('text.latex', preamble=preamble)
plt.rc('svg', fonttype='none')
plt.rc('ps', usedistiller='xpdf')
plt.rc('pdf', fonttype=42)

def inline_xlabel(ax, label):
    t = offset_copy(
        ax.transAxes,
        y=-(ax.xaxis.get_tick_padding() + ax.xaxis.majorTicks[0].get_pad()), 
        fig=ax.figure,
        units='points',
    )
    ax.xaxis.set_label_coords(.5, 0, transform=t)
    ax.set_xlabel(label, va='baseline', ha="center")
    ax.xaxis.get_label().set_bbox(dict(facecolor='white', alpha=0.0, linewidth=0))

def inline_ylabel(ax, label):
    t = offset_copy(
        ax.transAxes,
        # changed to xaxis here bc yaxis has too much tick space?
        x=-(ax.yaxis.get_tick_padding() + ax.yaxis.majorTicks[0].get_pad()), 
        fig=ax.figure,
        units='points',
    )
    ax.yaxis.set_label_coords(0, .5, transform=t)
    ax.set_ylabel(label, va='top', ha="center")
    ax.yaxis.get_label().set_bbox(dict(facecolor='white', alpha=0.0, linewidth=0))
    
def x_scalebar(ax, length, label=None, unit="s", lw=2, loc="lower left"):
    if label is None:
        label = f"{length}{unit}"

    t_line = offset_copy(
        trans=ax.get_xaxis_transform(),
        y=-(ax.xaxis.get_tick_padding()), 
        fig=ax.figure,
        units='points',
    )
    t_text = offset_copy(
        trans=ax.get_xaxis_transform(),
        y=-(ax.xaxis.get_tick_padding() + SMALL_SIZE), 
        fig=ax.figure,
        units='points',
    )
    ax.figure.set_facecolor([0, 0, 0, 0])
    ax.figure.patch.set_facecolor([0, 0, 0, 0])
    
    line_x = [ax.get_xlim()[0], ax.get_xlim()[0] + length]
    line_y = [0, 0]
    
    line = Line2D(line_x, line_y, color="k", linewidth=lw, transform=t_line, solid_capstyle="butt")
    ax.figure.add_artist(line)
    
    ax.text(sum(line_x) / 2, 0, label, ha="center", va="center", transform=t_text)
    
def y_scalebar(ax, length, label=None, unit="\\textmu{}m", lw=2, loc="lower left"):
    if label is None:
        label = f"{length}{unit}"

    t_line = offset_copy(
        trans=ax.get_yaxis_transform(),
        x=-(ax.yaxis.get_tick_padding()), 
        fig=ax.figure,
        units='points',
    )
    t_text = offset_copy(
        trans=ax.get_yaxis_transform(),
        x=-(ax.yaxis.get_tick_padding() + SMALL_SIZE / 2), 
        # y=- SMALL_SIZE / 2,
        fig=ax.figure,
        units='points',
    )
    ax.figure.set_facecolor([0, 0, 0, 0])
    ax.figure.patch.set_facecolor([0, 0, 0, 0])
    
    line_x = [0, 0]
    line_y = [ax.get_ylim()[0], ax.get_ylim()[0] + length]

    line = Line2D(line_x, line_y, color="k", linewidth=lw, transform=t_line, solid_capstyle="butt")
    ax.figure.add_artist(line)
    
    ax.text(0, sum(line_y) / 2, label, ha="right", va="center", transform=t_text, rotation="vertical")
    

@contextlib.contextmanager
def subplots(*args, **kwargs):
    fig, axes = plt.subplots(*args, **kwargs)
    try:
        yield fig, axes
    finally:
        plt.show()
        plt.close(fig)


def clearpanel(figure):
    figure.set_facecolor([0, 0, 0, 0])
    figure.patch.set_facecolor([0, 0, 0, 0])

matplotlib_preamble_serif.py

plt.rc("figure", dpi=300)
plt.rc("figure", figsize=(4, 4))
SMALL_SIZE = 5
MEDIUM_SIZE = 8
BIGGER_SIZE = 10
plt.rc('font', size=SMALL_SIZE)
plt.rc('axes', titlesize=MEDIUM_SIZE)
plt.rc('axes', labelsize=SMALL_SIZE)
plt.rc('xtick', labelsize=SMALL_SIZE)
plt.rc('ytick', labelsize=SMALL_SIZE)
plt.rc('legend', fontsize=SMALL_SIZE)
plt.rc('figure', titlesize=BIGGER_SIZE)
plt.rcParams.update({
    "text.usetex": True,
    "font.family": "serif",
})
preamble = r"""
\usepackage{textgreek}
\usepackage[upint]{stix}
\usepackage{newtxtext}
"""
plt.rc('text.latex', preamble=preamble)