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cheatsheets.tex
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cheatsheets.tex
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% -----------------------------------------------------------------------------
% Matplotlib cheat sheet - Released under the BSD License
% -----------------------------------------------------------------------------
\documentclass[10pt,landscape,a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
% --- Page layout -------------------------------------------------------------
\usepackage[right=2.5mm, left=2.5mm, top=2.5mm, bottom=2.5mm]{geometry}
% --- English stuff -----------------------------------------------------------
\usepackage[english]{babel}
\usepackage{xspace}
\usepackage{csquotes}
% --- Graphics ----------------------------------------------------------------
\usepackage{tikz}
\usepackage{graphicx}
\usepackage[percent]{overpic}
\graphicspath{{./figures/}{./icons/}{./logos/}}
\usepackage[export]{adjustbox}
% --- Framed boxes ------------------------------------------------------------
\usepackage[framemethod=TikZ]{mdframed}
\mdfsetup{skipabove=0pt,skipbelow=0pt}
\usepackage{menukeys}
% --- URL, href and colors ----------------------------------------------------
\usepackage{xcolor}
\colorlet{citecolor}{black}
\colorlet{linkcolor}{black}
\colorlet{urlcolor}{black}
\usepackage[
bookmarks=true,
breaklinks=true,
pdfborder={0 0 0},
citecolor=citecolor,
linkcolor=linkcolor,
urlcolor=urlcolor,
colorlinks=true,
linktocpage=false,
hyperindex=true,
colorlinks=true,
linktocpage=false,
linkbordercolor=white]{hyperref}
% --- Tests -------------------------------------------------------------------
\usepackage{etoolbox}
% --- Fonts -------------------------------------------------------------------
\usepackage{fontspec}
\usepackage[fixed]{fontawesome5}
\usepackage[babel=true]{microtype}
\defaultfontfeatures{Ligatures=TeX}
\setmainfont{Source Serif Pro}[
Path = fonts/source-serif-pro/SourceSerifPro-,
Extension = .otf,
UprightFont = Light,
ItalicFont = LightIt,
BoldFont = Regular,
BoldItalicFont = It ]
\setsansfont{Roboto}[
Path = fonts/roboto/Roboto-,
Extension = .ttf,
UprightFont = Light,
ItalicFont = LightItalic,
BoldFont = Regular ]
\setmonofont{Source Code Pro}[
Path = fonts/source-code-pro/SourceCodePro-,
Extension = .otf,
UprightFont = Light,
BoldFont = Regular ]
\newfontfamily\RobotoCon{Roboto Condensed}[
Path = fonts/roboto/RobotoCondensed-,
Extension = .ttf,
UprightFont = Regular,
ItalicFont = Italic,
BoldFont = Bold ]
\newfontfamily\RobotoSlab{Roboto Slab}[
Path = fonts/roboto-slab/RobotoSlab-,
Extension = .ttf,
UprightFont = Light,
BoldFont = Regular ]
\newfontfamily\Roboto{Roboto}[
Path = fonts/roboto/Roboto-,
Extension = .ttf,
UprightFont = Regular,
ItalicFont = Italic,
BoldFont = Black ]
% --- Arrays ------------------------------------------------------------------
\usepackage{multicol}
\usepackage{colortbl}
\usepackage{array, multirow}
% --- Maths -------------------------------------------------------------------
\usepackage{amsmath}
% --- PDF comments ------------------------------------------------------------
\usepackage{pdfcomment}
% --- Default options ---------------------------------------------------------
\setlength\parindent{0pt}
\setlength{\tabcolsep}{2pt}
\baselineskip=0pt
\setlength\columnsep{1.75mm}
% --- Macros ------------------------------------------------------------------
\newcommand{\button}[1]{\tikz[baseline=(X.base)]
\node [fill=orange!40, rectangle, inner sep=2pt,rounded corners=1pt] (X) {#1};}
\newcommand{\API}[1]{\tikz[baseline=(X.base)]
\node [fill=black!40, rectangle, inner sep=2pt,rounded corners=1pt] (X)
{\href{#1}{\color{white}{\tiny \sffamily \textbf{API}}}};}
\newcommand{\READ}[1]{\tikz[baseline=(X.base)]
\node [fill=black!40, rectangle, inner sep=2pt,rounded corners=1pt] (X)
{\href{#1}{\color{white}{\tiny \sffamily \textbf{READ}}}};}
\newcommand{\api}[1]{\tikz[baseline=(X.base)]
\node [fill=orange!40, rectangle, inner sep=2pt,rounded corners=1pt] (X)
{\href{#1}{\color{white}{\tiny \sffamily \textbf{API}}}};}
\newcommand{\plot}[5]{%
\begin{tabular}{@{}p{0.18\columnwidth}p{0.795\columnwidth}@{}}
\adjustimage{width=0.18\columnwidth,valign=t}{#1} &
{\ttfamily \scriptsize #2} \hfill \api{#3} \newline
{\scriptsize #4} \newline
{\scriptsize #5 } \vspace{.7em}\\
\end{tabular}}
\newcommand{\scale}[3]{%
\begin{tabular}{@{}p{0.18\columnwidth}p{0.288\columnwidth}@{}}
\adjustimage{width=0.18\columnwidth,valign=t}{#1} & {\ttfamily #2} \newline
{\scriptsize #3}
\end{tabular}}
\newcommand{\colormap}[1]{%
\adjustimage{width=0.7\columnwidth,valign=c}{colormap-#1.pdf} &
\tiny \ttfamily #1\\ \arrayrulecolor{white}\hline
}
\newcommand{\palette}[2]{%
\adjustimage{width=0.7\columnwidth,valign=c}{colors-#1.pdf} &
\tiny \ttfamily #2\\ \arrayrulecolor{white}\hline
}
\newcommand{\optional}[1]{\textcolor{gray}{#1}}
\newcommand{\mandatory}[1]{\textbf{#1}}
\newcommand{\parameter}[2]{%
\expandafter\ifstrequal\expandafter{#1}{optional}%
{\optional{#2}}{\mandatory{#2}}}
% --- Parameter: interpolation
\newcommand{\paramx}[1]{%
\pdftooltip{\parameter{#1}{X}}
{Horizontal coordinates of data point. 1D array like or scalar. }
}
\newcommand{\paramy}[1]{%
\pdftooltip{\parameter{#1}{Y}}%
{Vertical coordinates of data point. 1D array like or scalar. }
}
\newcommand{\paramfmt}[1]{%
\pdftooltip{\parameter{#1}{fmt}}%
{A format string, e.g. 'ro' for red circles. Format strings are just
an abbreviation for quickly setting basic line properties. All of
these and more can also be controlled by keyword arguments.}
}
\newcommand{\paramcolor}[1]{%
\pdftooltip{\parameter{#1}{color}}%
{Set line color.}
}
\newcommand{\parammarker}[1]{%
\pdftooltip{\parameter{#1}{marker}}%
{Set marker style.}
}
\newcommand{\paramlinestyle}[1]{%
\pdftooltip{\parameter{#1}{linestyle}}%
{Set line style.}
}
\newcommand{\interpolation}[1]{%
\pdftooltip{\parameter{#1}{interpolation}}
{None, 'none', 'nearest', 'bilinear', 'bicubic', 'spline16', 'spline36',
'hanning', 'hamming', 'hermite', 'kaiser', 'quadric', 'catrom', 'gaussian',
'bessel', 'mitchell', 'sinc', 'lanczos'}
}
% --- Parameter: extent
\newcommand{\extent}{\pdftooltip{extent}{[left, right, bottom, top]}}
% --- Parameter: origin
\newcommand{\origin}{\pdftooltip{origin}{'upper', 'lower'}}
% --- Parameter: z
\newcommand{\Z}{\pdftooltip{z}{(M,N): an image with scalar data. The values are mappedto colors using normalization and a colormap.\textCR
(M, N, 3): an image with RGB values (0-1 float or 0-255 int)\textCR
(M, N, 4): an image with RGBA values (0-1 float or 0-255 int)}}
% --- Parameter: cmap
\newcommand{\cmap}{\pdftooltip{cmap}{
Uniform: 'viridis', 'plasma', 'inferno', 'magma', 'cividis'\textCR
\textCR
Sequential: 'Greys', 'Purples', 'Blues', 'Greens', 'Oranges', 'Reds',
'YlOrBr', 'YlOrRd', 'OrRd', 'PuRd', 'RdPu', 'BuPu',
'GnBu', 'PuBu', 'YlGnBu', 'PuBuGn', 'BuGn', 'YlGn'\textCR
\textCR
Diverging: 'PiYG', 'PRGn', 'BrBG', 'PuOr', 'RdGy', 'RdBu',
'RdYlBu', 'RdYlGn', 'Spectral', 'coolwarm', 'bwr',
'seismic'\textCR
\textCR
Cyclic: 'twilight', 'twilight_shifted', 'hsv'\textCR
\textCR
Qualitative: 'Pastel1', 'Pastel2', 'Paired', 'Accent',
'Dark2', 'Set1', 'Set2', 'Set3', 'tab10',
'tab20', 'tab20b', 'tab20c'}}
\newenvironment{myboxed}[1]
{\begin{mdframed}[linecolor=black,
backgroundcolor=white,
outerlinewidth=0.25pt,
%roundcorner=0.25em,
innertopmargin=1ex,
topline=true,
rightline=true,
leftline=true,
bottomline=true,
linecolor=black!0,
frametitleaboveskip=0.5em,
frametitlebelowskip=0.5em,
innerbottommargin=.5\baselineskip,
innerrightmargin=.5em,
innerleftmargin=.5em,
%userdefinedwidth=1\textwidth,
% frametitle={\scshape \bfseries \sffamily #1},
frametitle={\footnotesize \RobotoSlab \bfseries \hspace*{0mm} #1},
% frametitlerule=true,
%frametitlerulecolor=red,
frametitlebackgroundcolor=black!5,
frametitlerulewidth=2pt]}
{\end{mdframed}}
% -----------------------------------------------------------------------------
\begin{document}
\thispagestyle{empty}
% \footnotesize
\scriptsize
\begin{multicols*}{5}
\begin{overpic}[width=\columnwidth,tics=6,trim=12 6 18 6, clip]{logo2.png}
\put (16.5,1.5) {\scriptsize\RobotoCon \textcolor[HTML]{11557c}{Cheat sheet}}
\put (80,1.5) {\tiny\Roboto \textcolor[HTML]{11557c}{Version 3.7.4}}
\end{overpic}
%\textbf{\Large \RobotoCon Matplotlib 3.2 cheat sheet}\\
%{\ttfamily https://matplotlib.org} \hfill CC-BY 4.0
% \bigskip
\vspace{\fill}
%\hspace{1mm} \small \url{https://matplotlib.org/}
%\vspace{\fill}
% --- Quick start -----------------------------------------------------------
\begin{myboxed}{Quick start \hfill
\API{https://matplotlib.org/tutorials/introductory/pyplot.html}}
{\ttfamily \scriptsize
import numpy as np\\
import matplotlib as mpl\\
import matplotlib.pyplot as plt\\
\\
\\
X = np.linspace(0, 2*np.pi, 100)\\
Y = np.cos(X)\\
\\
fig, ax = plt.subplots()\\
ax.plot(X, Y, color='green')\\
\\
fig.savefig(``figure.pdf'')\\
plt.show() }
\end{myboxed}
\vspace{\fill}
% --- Figure anatomy --------------------------------------------------------
\begin{myboxed}{Anatomy of a figure}
\includegraphics[width=\columnwidth]{anatomy.pdf}
\end{myboxed}
\vspace{\fill}
% --- Layout ---------------------------------------------------------------
\begin{myboxed}{Subplots layout \hfill
\API{https://matplotlib.org/tutorials/intermediate/gridspec.html} }
\plot{layout-subplot.pdf}{\textbf{subplot[s]}(rows, cols, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.subplots.html}
{\ttfamily fig, axs = plt.subplots(3, 3)}
{}
\plot{layout-gridspec.pdf}{G = \textbf{gridspec}(rows,cols, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.gridspec.GridSpec.html}
{\ttfamily ax = G[0, :]}{}
\plot{layout-inset.pdf}{ax.\textbf{inset\_axes}(extent)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.axes.Axes.inset_axes.html}
{}{}
\plot{layout-divider.pdf}{d=\textbf{make\_axes\_locatable}(ax)}
{https://matplotlib.org/mpl_toolkits/axes_grid/users/axes_divider.html}
{\ttfamily ax = d.new\_horizontal('10\%')}{}
\end{myboxed}
\vspace{\fill}
% --- Getting help ----------------------------------------------------------
\begin{myboxed}{Getting help}
\href{https://matplotlib.org}
{\faIcon{globe}\,matplotlib.org}\\
\href{https://github.com/matplotlib/matplotlib/issues}
{\faIcon{github}\,github.com/matplotlib/matplotlib/issues}\\
\href{https://discourse.matplotlib.org}
{\faIcon{discourse}\,discourse.matplotlib.org}\\
\href{https://stackoverflow.com/questions/tagged/matplotlib}
{\faIcon{stack-overflow}\,stackoverflow.com/questions/tagged/matplotlib}\\
\href{https://gitter.im/matplotlib/matplotlib}
{\faIcon{gitter}\,{https://gitter.im/matplotlib/matplotlib}}\\
\href{https://twitter.com/matplotlib}
{\faIcon{twitter}\,twitter.com/matplotlib}\\
\href{https://mail.python.org/mailman/listinfo/matplotlib-users}
{\faIcon[regular]{envelope}\,Matplotlib users mailing list}
\end{myboxed}
% --- Basic plots -----------------------------------------------------------
\begin{myboxed}{Basic plots}
\plot{basic-plot.pdf}{\textbf{plot}([X], Y, [fmt], …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.plot.html}
{\optional{X},
\mandatory{Y},
\optional{fmt},
\optional{color},
\optional{marker},
\optional{linestyle}}
{}
\plot{basic-scatter.pdf}{\textbf{scatter}(X, Y, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.scatter.html}
{\mandatory{X},
\mandatory{Y},
\optional{[s]izes},
\optional{[c]olors},
\optional{marker},
\optional{cmap}}
{}
\plot{basic-bar.pdf}{\textbf{bar[h]}(x, height, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.bar.html}
{ \mandatory{x},
\mandatory{height},
\optional{width},
\optional{bottom},
\optional{align},
\optional{color} }{}
\plot{basic-imshow.pdf}{\textbf{imshow}(Z, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.imshow.html}
{ \mandatory{Z},
\optional{cmap},
\optional{interpolation},
\optional{extent},
\optional{origin} }
{}
\plot{basic-contour.pdf}{\textbf{contour[f]}([X], [Y], Z, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.contour.html}
{ \optional{X},
\optional{Y},
\mandatory{Z},
\optional{levels},
\optional{colors},
\optional{extent},
\optional{origin} }
{}
\plot{basic-pcolormesh.pdf}{\textbf{pcolormesh}([X], [Y], Z, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.pcolormesh.html}
{ \optional{X},
\optional{Y},
\mandatory{Z},
\optional{vmin},
\optional{vmax},
\optional{cmap}}
{}
\plot{basic-quiver.pdf}{\textbf{quiver}([X], [Y], U, V, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.quiver.html}
{ \optional{X},
\optional{Y},
\mandatory{U},
\mandatory{V},
\optional{C},
\optional{units},
\optional{angles} }
{}
\plot{basic-pie.pdf}{\textbf{pie}(X, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.pie.html}
{\mandatory{Z},
\optional{explode},
\optional{labels},
\optional{colors},
\optional{radius}}
{}
\plot{basic-text.pdf}{\textbf{text}(x, y, text, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.text.html}
{\mandatory{x},
\mandatory{y},
\mandatory{text},
\optional{va},
\optional{ha},
\optional{size},
\optional{weight},
\optional{transform} }
{}
\plot{basic-fill.pdf}{\textbf{fill[\_between][x]}(…)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.fill.html}
{\mandatory{X},
\optional{Y1},
\optional{Y2},
\optional{color},
\optional{where} }
{}
\end{myboxed}
\vspace{\fill}
% --- Advanced plots --------------------------------------------------------
\begin{myboxed}{Advanced plots}
\plot{advanced-step.pdf}{\textbf{step}(X, Y, [fmt], …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.step.html}
{\mandatory{X},
\mandatory{Y},
\optional{fmt},
\optional{color},
\optional{marker},
\optional{where} }
{}
\plot{advanced-boxplot.pdf}{\textbf{boxplot}(X, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.boxplot.html}
{ \mandatory{X},
\optional{notch},
\optional{sym},
\optional{bootstrap},
\optional{widths} }
{}
\plot{advanced-errorbar.pdf}{\textbf{errorbar}(X,Y,xerr,yerr, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.errorbar.html}
{ \mandatory{X},
\mandatory{Y},
\optional{xerr},
\optional{yerr},
\optional{fmt} }
{}
\plot{advanced-hist.pdf}{\textbf{hist}(X, bins, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.hist.html}
{\mandatory{X},
\optional{bins},
\optional{range},
\optional{density},
\optional{weights}}
{}
\plot{advanced-violin.pdf}{\textbf{violinplot}(D, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.axes.Axes.violinplot.html}
{\mandatory{D},
\optional{positions},
\optional{widths},
\optional{vert} }
{}
\plot{advanced-barbs.pdf}{\textbf{barbs}([X], [Y], U, V, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.barbs.html}
{ \optional{X},
\optional{Y},
\mandatory{U},
\mandatory{V},
\optional{C},
\optional{length},
\optional{pivot},
\optional{sizes} }
{}
\plot{advanced-event.pdf}{\textbf{eventplot}(positions, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.eventplot.html}
{\mandatory{positions},
\optional{orientation},
\optional{lineoffsets} }
{}
\plot{advanced-hexbin.pdf}{\textbf{hexbin}(X, Y, C, …)}
{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.hexbin.html}
{\mandatory{X},
\mandatory{Y},
\optional{C},
\optional{gridsize},
\optional{bins} }
{}
\end{myboxed}
% --- Scale ---------------------------------------------------------------
\begin{myboxed}{Scales \hfill
\API{https://matplotlib.org/stable/api/scale_api.html}}
{\ttfamily ax.\textbf{set\_[xy]scale}(scale, …)}
\smallskip
\scale{scale-linear.pdf}{\textbf{linear}}{any values}
\scale{scale-log.pdf}{\textbf{log}}{values > 0}
\scale{scale-symlog.pdf}{\textbf{symlog}}{any values}
\scale{scale-logit.pdf}{\textbf{logit}}{0 < values < 1}
\end{myboxed}
%
\vspace{\fill}
%
% --- Projections -----------------------------------------------------------
\begin{myboxed}{Projections \hfill
\API{https://matplotlib.org/stable/api/projections_api.html}}
{\ttfamily \textbf{subplot}(…, projection=p)}
\smallskip
\scale{projection-polar.pdf}{p='polar'}{}
\scale{projection-3d.pdf}
{p='3d'\hfill\api{https://matplotlib.org/stable/api/toolkits/mplot3d.html}}{}
\plot{projection-cartopy.pdf}{p=ccrs.Orthographic()}
{https://scitools.org.uk/cartopy/docs/latest/reference/projections.html}
{import cartopy.crs as ccrs}
{}
\end{myboxed}
%
\vspace{\fill}
%
% --- Linestyles ---------------------------------------------------------------
\begin{myboxed}{Lines \hfill
\API{https://matplotlib.org/gallery/lines_bars_and_markers/linestyles.html}}
\includegraphics[width=\columnwidth]{linestyles.pdf}
\end{myboxed}
%
\vspace{\fill}
%
% --- Markers ---------------------------------------------------------------
\begin{myboxed}{Markers \hfill
\API{https://matplotlib.org/stable/api/markers_api.html}}
\includegraphics[width=\columnwidth]{markers.pdf}
\end{myboxed}
%
\vspace{\fill}
%
% --- Colors ---------------------------------------------------------------
\begin{myboxed}{Colors \hfill
\API{https://matplotlib.org/tutorials/colors/colors.html}}
% mpl.colors.to\_rbga(\textbf{color})\smallskip\\
\def\arraystretch{0.5}
\begin{tabular}{@{}p{0.7\columnwidth}p{0.25\columnwidth}@{}}
\palette{cycle}{'Cn'}
\palette{raw}{ 'x' }
\palette{name}{'name'}
\palette{rgba}{(R,G,B[,A])}
\palette{HexRGBA}{'\#RRGGBB[AA]'}
\palette{grey}{'x.y'}
\end{tabular}
\end{myboxed}
%
\vspace{\fill}
%
% --- Colormaps -------------------------------------------------------------
\begin{myboxed}{Colormaps \hfill
\API{https://matplotlib.org/tutorials/colors/colormaps.html}}
{\ttfamily plt.\textbf{get\_cmap}(name) \smallskip\\}
\def\arraystretch{0.5}
\begin{tabular}{@{}p{0.7\columnwidth}p{0.25\columnwidth}@{}}
\scriptsize \rule{0pt}{1.25em}Uniform & \\
\colormap{viridis} \colormap{magma} \colormap{plasma}
%
\scriptsize \rule{0pt}{1.25em}Sequential &\\
\colormap{Greys} \colormap{YlOrBr} \colormap{Wistia}
%
\scriptsize \rule{0pt}{1.25em}Diverging &\\
\colormap{Spectral} \colormap{coolwarm} \colormap{RdGy}
%
\scriptsize \rule{0pt}{1.25em}Qualitative &\\
\colormap{tab10} \colormap{tab20}
%
\scriptsize \rule{0pt}{1.25em}Cyclic &\\
\colormap{twilight} % \colormap{hsv}
\end{tabular}
\end{myboxed}
% --- Ticks locators --------------------------------------------------------
\begin{myboxed}{Tick locators \hfill
\API{https://matplotlib.org/stable/api/ticker_api.html}}
{\tiny \ttfamily
from matplotlib import ticker\\
ax.[xy]axis.set\_[minor|major]\_locator(\textbf{locator})\par
\vspace{1em}
\hspace{-1em}\includegraphics[width=\columnwidth]{tick-locators.pdf}
}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Tick formatters \hfill
\API{https://matplotlib.org/stable/api/ticker_api.html}}
{\tiny \ttfamily
from matplotlib import ticker\\
ax.[xy]axis.set\_[minor|major]\_formatter(\textbf{formatter})\par
\vspace{1em}
\hspace{-1em}\includegraphics[width=\columnwidth]{tick-formatters.pdf}
}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Ornaments}
{\ttfamily ax.\textbf{legend}(…) \hfill
\api{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.legend.html}}\\
handles, labels, loc, title, frameon\smallskip\\
\includegraphics[width=0.9\columnwidth]{legend.pdf}
\medskip\\
%
{\ttfamily ax.\textbf{colorbar}(…)} \hfill
\api{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.colorbar.html}\\
mappable, ax, cax, orientation \smallskip\\
\includegraphics[width=\columnwidth]{colorbar.pdf}\\
\medskip\\
%
{\ttfamily ax.\textbf{annotate}(…)} \hfill
\api{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.annotate.html}\\
\mandatory{text},
\mandatory{xy},
\mandatory{xytext},
\optional{xycoords},
\optional{textcoords},
\optional{arrowprops}
\smallskip\\
\includegraphics[width=\columnwidth]{annotate.pdf}\\
%
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Event handling \hfill
\API{https://matplotlib.org/users/event_handling.html}}
{\ttfamily \scriptsize
fig, ax = plt.subplots()\par
\par
def on\_click(event):\par
~~print(event)\par
fig.canvas.mpl\_connect(\par
~~'button\_press\_event', on\_click)\par
}
\end{myboxed}
%
% \vspace{\fill}
%
\begin{myboxed}{Animation \hfill
\API{https://matplotlib.org/stable/api/animation_api.html}}
{\ttfamily \scriptsize
import matplotlib.animation as mpla\par
~\par
T = np.linspace(0, 2*np.pi, 100)\par
S = np.sin(T)\par
line, = plt.plot(T, S)\par
def animate(i):\par
~~~~line.set\_ydata(np.sin(T+i/50))\par
anim = mpla.FuncAnimation(\par
~~~~plt.gcf(), animate, interval=5)\par
plt.show()\par
}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Styles \hfill
\API{https://matplotlib.org/tutorials/introductory/customizing.html}}
\setlength{\fboxsep}{0pt}%
\setlength{\fboxrule}{.25pt}%
{\ttfamily plt.style.use(\textbf{style})\medskip}\\
\fbox{\includegraphics[width=.32\columnwidth]{style-default.pdf}}
\fbox{\includegraphics[width=.32\columnwidth]{style-classic.pdf}}
\fbox{\includegraphics[width=.32\columnwidth]{style-grayscale.pdf}}
\fbox{\includegraphics[width=.32\columnwidth]{style-ggplot.pdf}}
\fbox{\includegraphics[width=.32\columnwidth]{style-seaborn-v0_8.pdf}}
\fbox{\includegraphics[width=.32\columnwidth]{style-fast.pdf}}
\fbox{\includegraphics[width=.32\columnwidth]{style-bmh.pdf}}
\fbox{\includegraphics[width=.32\columnwidth]{style-Solarize_Light2.pdf}}
\fbox{\includegraphics[width=.32\columnwidth]{style-seaborn-v0_8-notebook.pdf}}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Quick reminder}
{\ttfamily
ax.\textbf{grid}()\\
ax.\textbf{set\_[xy]lim}(vmin, vmax)\\
ax.\textbf{set\_[xy]label}(label)\\
ax.\textbf{set\_[xy]ticks}(ticks, [labels])\\
ax.\textbf{set\_[xy]ticklabels}(labels)\\
ax.\textbf{set\_title}(title)\\
ax.\textbf{tick\_params}(width=10, …)\\
ax.\textbf{set\_axis\_[on|off]}()\\
\\
fig.\textbf{suptitle}(title)\\
fig.\textbf{tight\_layout}()\\
plt.\textbf{gcf}(), plt.\textbf{gca}()\\
mpl.\textbf{rc}('axes', linewidth=1, …)\\
{[fig|ax]}.patch.\textbf{set\_alpha}(0)\\
\verb|text=r'$\frac{-e^{i\pi}}{2^n}$'|}
\end{myboxed}
%
\vspace{\fill}
%
%% % --- Toolkits --------------------------------------------------------------
%% \begin{myboxed}{Toolkits and libraries}
%% \href{https://matplotlib.org/basemap/}{Basemap} ---
%% \href{https://scitools.org.uk/cartopy/docs/latest/}{Cartopy} ---
%% \href{https://geopandas.org/}{GeoPandas} ---
%% \href{https://residentmario.github.io/geoplot/index.html}{Geoplot} ---
%% \href{https://github.com/yhat/ggpy}{GGPlot} ---
%% \href{http://holoviews.org/}{Holoviews} ---
%% \href{https://seaborn.pydata.org/}{Seaborn} ---
%% \href{https://gr-framework.org/}{GR Framework} ---
%% \href{https://www.scikit-yb.org/en/latest/}{Yellowbrick}
%% \end{myboxed}
%% %
%% \vspace{\fill}
%
\begin{myboxed}{Keyboard shortcuts \hfill
\API{https://matplotlib.org/users/navigation_toolbar.html}}
\def\arraystretch{1.25}
\begin{tabular}{ll}
\keys{\ctrl+s} Save & \keys{\ctrl+w} Close plot\\
\keys{r} Reset view & \keys{f} Fullscreen 0/1\\
\keys{f} View forward & \keys{b} View back\\
\keys{p} Pan view & \keys{o} Zoom to rect\\
\keys{x} X pan/zoom & \keys{y} Y pan/zoom\\
\keys{g} Minor grid 0/1 & \keys{G} Major grid 0/1\\
\keys{l} X axis log/linear & \keys{L} Y axis log/linear\\
%\keys{l} & Toggle y linear / log axis\\
\end{tabular}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Ten simple rules \hfill
\READ{https://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1003833}}
1. Know your audience\\
2. Identify your message\\
3. Adapt the figure\\
4. Captions are not optional\\
5. Do not trust the defaults\\
6. Use color effectively\\
7. Do not mislead the reader\\
8. Avoid “chartjunk”\\
9. Message trumps beauty\\
10. Get the right tool
\end{myboxed}
\end{multicols*}
\begin{multicols*}{5}
\begin{myboxed}{Axes adjustments\hfill
\API{https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.subplots_adjust.html}}
plt.\textbf{subplots\_adjust}( … )\\
\includegraphics[width=\columnwidth]{adjustments.pdf}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Extent \& origin \hfill
\API{https://matplotlib.org/tutorials/intermediate/imshow_extent.html} }
ax.\textbf{imshow}( extent=…, origin=… )\\
\includegraphics[width=\columnwidth]{extents.pdf}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Text alignments \hfill
\API{https://matplotlib.org/tutorials/text/text_props.html} }
ax.\textbf{text}( …, ha=… , va=…, …)\\
\includegraphics[width=\columnwidth]{text-alignments.pdf}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Text parameters \hfill
\API{https://matplotlib.org/tutorials/text/text_props.html}}
ax.\textbf{text}(…, family=…, size=…, weight=…)\\
ax.\textbf{text}(…, fontproperties=…)\\
\includegraphics[width=\columnwidth]{fonts.pdf}
\end{myboxed}
\begin{myboxed}{Uniform colormaps}
\begin{tabular}{@{}p{0.7\columnwidth}p{0.25\columnwidth}@{}}
\scriptsize \rule{0pt}{1.25em}\noindent
\colormap{viridis}
\colormap{plasma}
\colormap{inferno}
\colormap{magma}
\colormap{cividis}
\end{tabular}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Sequential colormaps}
\begin{tabular}{@{}p{0.7\columnwidth}p{0.25\columnwidth}@{}}
\scriptsize \rule{0pt}{1.25em}\noindent
\colormap{Greys}
\colormap{Purples}
\colormap{Blues}
\colormap{Greens}
\colormap{Oranges}
\colormap{Reds}
\colormap{YlOrBr}
\colormap{YlOrRd}
\colormap{OrRd}
\colormap{PuRd}
\colormap{RdPu}
\colormap{BuPu}
\colormap{GnBu}
\colormap{PuBu}
\colormap{YlGnBu}
\colormap{PuBuGn}
\colormap{BuGn}
\colormap{YlGn}
\end{tabular}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Diverging colormaps}
\begin{tabular}{@{}p{0.7\columnwidth}p{0.25\columnwidth}@{}}
\scriptsize \rule{0pt}{1.25em}\noindent
\colormap{PiYG}
\colormap{PRGn}
\colormap{BrBG}
\colormap{PuOr}
\colormap{RdGy}
\colormap{RdBu}
\colormap{RdYlBu}
\colormap{RdYlGn}
\colormap{Spectral}
\colormap{coolwarm}
\colormap{bwr}
\colormap{seismic}
\end{tabular}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Qualitative colormaps}
\begin{tabular}{@{}p{0.7\columnwidth}p{0.25\columnwidth}@{}}
\scriptsize \rule{0pt}{1.25em}\noindent
\colormap{Pastel1}
\colormap{Pastel2}
\colormap{Paired}
\colormap{Accent}
\colormap{Dark2}
\colormap{Set1}
\colormap{Set2}
\colormap{Set3}
\colormap{tab10}
\colormap{tab20}
\colormap{tab20b}
\colormap{tab20c}
\end{tabular}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Miscellaneous colormaps}
\begin{tabular}{@{}p{0.7\columnwidth}p{0.25\columnwidth}@{}}
\scriptsize \rule{0pt}{1.25em}\noindent
\colormap{terrain}
\colormap{ocean}
\colormap{cubehelix}
\colormap{rainbow}
\colormap{twilight}
\end{tabular}
\end{myboxed}
\begin{myboxed}{Color names \hfill
\API{https://matplotlib.org/stable/api/colors_api.html} }
\includegraphics[width=\columnwidth]{colornames.pdf}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Image interpolation
\hfill \API{https://matplotlib.org/gallery/images_contours_and_fields/interpolation_methods.html} }
\smallskip
%% plt.\textbf{imshow}(…, interpolation=…)\\
%% plt.\textbf{contour[f]}(…, interpolation=…)\\
\includegraphics[width=\columnwidth]{interpolations.pdf}
\end{myboxed}
\begin{myboxed}{Legend placement}
\includegraphics[width=\columnwidth]{legend-placement.pdf}
ax.\textbf{legend}(loc="string", bbox\_to\_anchor=(x, y))\\
\begin{tabular}{@{}p{0.33\columnwidth}
p{0.33\columnwidth}
p{0.33\columnwidth}@{}}
\scriptsize \rule{0pt}{1.25em}\noindent
2: upper left & 9: upper center & 1: upper right\\
6: center left & 10: center & 7: center right\\
3: lower left & 8: lower center & 4: lower right\\
\end{tabular}
\begin{tabular}{@{}p{0.495\columnwidth}
p{0.495\columnwidth}@{}}
\scriptsize \rule{0pt}{1.25em}\noindent
\tiny A: upper right / {\ttfamily (-0.1, 0.9)} & \tiny B: center right / {\ttfamily (-0.1, 0.5)}\\
\tiny C: lower right / {\ttfamily (-0.1, 0.1)} & \tiny D: upper left / {\ttfamily (0.1, -0.1)}\\
\tiny E: upper center / {\ttfamily (0.5, -0.1)} & \tiny F: upper right / {\ttfamily (0.9, -0.1)}\\
\tiny G: lower left / {\ttfamily (1.1, 0.1)} & \tiny H: center left / {\ttfamily (1.1, 0.5)}\\
\tiny I: upper left / {\ttfamily (1.1, 0.9)} & \tiny J: lower right / {\ttfamily (0.9, 1.1)}\\
\tiny K: lower center / {\ttfamily (0.5, 1.1)} & \tiny L: lower left / {\ttfamily (0.1, 1.1)}
\end{tabular}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Annotation connection styles \hfill
\API{https://matplotlib.org/tutorials/text/annotations.html} }
\includegraphics[width=\columnwidth]{annotation-connection-styles.pdf}
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Annotation arrow styles \hfill
\API{https://matplotlib.org/tutorials/text/annotations.html} }
\includegraphics[width=\columnwidth]{annotation-arrow-styles.pdf}
\end{myboxed}
%
\vspace{\fill}
%
%
\begin{myboxed}{How do I …}
\textbf{… resize a figure?}\\
\hspace*{2.5mm}~$\rightarrow$ fig.set\_size\_inches(w, h)\\
\textbf{… save a figure?}\\
\hspace*{2.5mm}~$\rightarrow$ fig.savefig("figure.pdf")\\
\textbf{… save a transparent figure?}\\
\hspace*{2.5mm}~$\rightarrow$ fig.savefig("figure.pdf", transparent=True)\\
\textbf{… clear a figure/an axes?}\\
\hspace*{2.5mm}~$\rightarrow$ fig.clear() $\rightarrow$ ax.clear()\\
\textbf{… close all figures?}\\
\hspace*{2.5mm}~$\rightarrow$ plt.close("all")\\
\textbf{… remove ticks?}\\
\hspace*{2.5mm}~$\rightarrow$ ax.set\_[xy]ticks([])\\
\textbf{… remove tick labels ?}\\
\hspace*{2.5mm}~$\rightarrow$ ax.set\_[xy]ticklabels([])\\
\textbf{… rotate tick labels ?}\\
\hspace*{2.5mm}~$\rightarrow$ ax.tick\_params(axis="x", rotation=90)\\
\textbf{… hide top spine?}\\
\hspace*{2.5mm}~$\rightarrow$ ax.spines['top'].set\_visible(False)\\
\textbf{… hide legend border?}\\
\hspace*{2.5mm}~$\rightarrow$ ax.legend(frameon=False)\\
\textbf{… show error as shaded region?}\\
\hspace*{2.5mm}~$\rightarrow$ ax.fill\_between(X, Y+error, Y-error)\\
\textbf{… draw a rectangle?}\\
\hspace*{2.5mm}~$\rightarrow$ ax.add\_patch(plt.Rectangle((0, 0), 1, 1)\\
\textbf{… draw a vertical line?}\\
\hspace*{2.5mm}~$\rightarrow$ ax.axvline(x=0.5)\\
\textbf{… draw outside frame?}\\
\hspace*{2.5mm}~$\rightarrow$ ax.plot(…, clip\_on=False)\\
\textbf{… use transparency?}\\
\hspace*{2.5mm}~$\rightarrow$ ax.plot(…, alpha=0.25)\\
\textbf{… convert an RGB image into a gray image? }\\
\hspace*{2.5mm}~$\rightarrow$ gray = 0.2989*R + 0.5870*G + 0.1140*B\\
\textbf{… set figure background color?}\\
\hspace*{2.5mm}~$\rightarrow$ fig.patch.set\_facecolor(``grey'')\\
\textbf{… get a reversed colormap?}\\
\hspace*{2.5mm}~$\rightarrow$ plt.get\_cmap(``viridis\_r'')\\
\textbf{… get a discrete colormap?}\\
\hspace*{2.5mm}~$\rightarrow$ plt.get\_cmap(``viridis'', 10)\\
\textbf{… show a figure for one second?}\\
\hspace*{2.5mm}~$\rightarrow$ fig.show(block=False), time.sleep(1)
\end{myboxed}
%
\vspace{\fill}
%
\begin{myboxed}{Performance tips}
\smallskip
{\ttfamily \fontsize{6pt}{7pt}\selectfont
%
\textcolor{red}{scatter(X, Y) \hfill slow}\\
plot(X, Y, marker="o", ls="") \hfill fast%