Finished tips handout

Author: rougier

handout-tips.tex

@@ -211,6 +211,32 @@ \subsection*{\rmfamily Taking advantage of typography}
 \end{lstlisting}
 \includegraphics[width=\linewidth]{tip-font-family.pdf}
 
+\subsection*{\rmfamily Getting rid of margins}
+Once your figure is finished, you can call {\ttfamily tight\_layout()}
+to remove white margins. If there are remaining margins, you can use
+the {\ttfamily pdfcrop} utility (comes with TeX live).
+
+
+\subsection*{\rmfamily Hatching}
+You can achieve nice visual effect with thick hatch patterns.
+
+\begin{tabular}{@{}m{.774\linewidth}m{.216\linewidth}}
+\begin{lstlisting}[belowskip=-\baselineskip]
+ cmap = plt.get_cmap("Oranges")
+ plt.rcParams['hatch.color'] = cmap(0.2)
+ plt.rcParams['hatch.linewidth'] = 8
+ ax.bar(X, Y, color=cmap(0.6), hatch="/" )
+\end{lstlisting} &
+\raisebox{-0.75em}{\includegraphics[width=\linewidth]{tip-hatched.pdf}}
+\end{tabular}
+
+
+\subsection*{\rmfamily Read the documentation}
+
+Matplotlib comes with an extensive documenation explaining every
+detals of each command and is generally accompanied by examples
+with. Together with the huge online gallery, this documenation is a
+gold-mine.
 
 \vfill
 %

scripts/tip-hatched.py

@@ -0,0 +1,40 @@
+import numpy as np
+import matplotlib.pyplot as plt
+
+cmap = plt.get_cmap("Oranges")
+color1, color2 = cmap(0.3), cmap(0.5)
+
+plt.rcParams['hatch.color'] = color1
+plt.rcParams['hatch.linewidth'] = 8
+
+fig = plt.figure(figsize=(2,2))
+ax = plt.subplot()
+np.random.seed(123)
+
+x1,y1 = 3*np.arange(2), np.random.randint(25,50,2)
+x2,y2 = x1+1,           np.random.randint(25,75,2)
+
+ax.bar(x1, y1, color=color2)
+for i in range(len(x1)):
+    plt.annotate("%d%%" % y1[i],  (x1[i], y1[i]), xytext=(0,1),
+                 fontsize="x-small", color=color2,
+                 textcoords="offset points", va="bottom", ha="center")
+
+ax.bar(x2, y2, color=color2, hatch="/" )
+for i in range(len(x2)):
+    plt.annotate("%d%%" % y2[i],  (x2[i], y2[i]), xytext=(0,1),
+                 fontsize="x-small", color=color2,
+                 textcoords="offset points", va="bottom", ha="center")
+    
+ax.set_yticks([])
+ax.set_xticks(0.5+np.arange(0,6,3))
+ax.set_xticklabels(["2018", "2019"])
+ax.tick_params('x', length=0, labelsize="small", which='major')
+
+ax.spines['right'].set_visible(False)
+ax.spines['left'].set_visible(False)
+ax.spines['top'].set_visible(False)
+
+plt.tight_layout()
+plt.savefig("../figures/tip-hatched.pdf")
+# plt.show()