Added annotation

Author: rougier

handout-intermediate.tex

@@ -35,9 +35,9 @@
   tabsize=2,
   %
   emph = { plot, scatter, imshow, bar, contourf, pie, subplots, spines,
-           add_gridspec, add_subplot, set_xscale, set_minor_locator,
-           set_minor_formatter, tick_params, fill_betweenx, text, legend,
-           errorbar, boxplot, hist, title, xlabel, ylabel, suptitle },
+    add_gridspec, add_subplot, set_xscale, set_minor_locator,
+    annotate, set_minor_formatter, tick_params, fill_betweenx, text, legend,
+    errorbar, boxplot, hist, title, xlabel, ylabel, suptitle },
   emphstyle = {\ttfamily\bfseries}
 }
 
@@ -162,16 +162,24 @@ \subsection*{\rmfamily Legend}
 \end{lstlisting}
 \includegraphics[width=\linewidth]{sine-legend.pdf}
 
+% -----------------------------------------------------------------------------
+\subsection*{\rmfamily Annotation}
+\begin{lstlisting}[]
+ ax.annotate("A", (X[250],Y[250]),(X[250],-1),
+   ha="center", va="center",arrowprops =
+   {"arrowstyle" : "->", "color": "C1"})
+\end{lstlisting}
+\includegraphics[width=\linewidth]{sine-annotate.pdf}
 
 % -----------------------------------------------------------------------------
 \subsection*{\rmfamily Colors}
 
-Any color can be used but Matplotlib offers a set of colors:\\
+Any color can be used but Matplotlib offers sets of colors:\\
 \includegraphics[width=\linewidth]{colors-cycle.pdf} \smallskip
 \includegraphics[width=\linewidth]{colors-grey.pdf}\\
-As well as nice colormaps (viridis an magma):\\
-\includegraphics[width=\linewidth]{colormap-viridis.pdf} \smallskip
-\includegraphics[width=\linewidth]{colormap-magma.pdf} \medskip
+%As well as nice colormaps (viridis an magma):\\
+%\includegraphics[width=\linewidth]{colormap-viridis.pdf} \smallskip
+%\includegraphics[width=\linewidth]{colormap-magma.pdf} \medskip
 
 % -----------------------------------------------------------------------------
 \subsection*{\rmfamily Size \& DPI}
@@ -185,29 +193,6 @@ \subsection*{\rmfamily Size \& DPI}
  plt.savefig("figure.pdf", dpi=600)
 \end{lstlisting}
 
-%% \begin{tabular}{@{}m{.821\linewidth}m{.169\linewidth}}
-%% \begin{lstlisting}[belowskip=-\baselineskip]
-%%  ax = plt.subplot(projection="polar")
-%%  ax.set_rorigin(-3)
-%%  plt.plot(X, Y, "C1-")
-%% \end{lstlisting}
-%% & \raisebox{-0.75em}{\includegraphics[width=\linewidth]{sine-polar.pdf}}
-%% \end{tabular}
-
-
-%% X = np.linspace(0, 2*np.pi, 10000)
-%% Y = np.sin(10*X)
-
-%% fig = plt.figure(figsize=(5,5))
-%% ax = plt.subplot(projection="polar")
-
-%% ax.set_xticks(np.linspace(0, 2*np.pi, 8+1 ))
-%% ax.set_xticklabels([])
-%% ax.set_yticklabels([])
-%% plt.ylim(-1.5, 1.5)
-%% plt.plot(X, Y, "C1o-", markevery=500,  mec="1.0", lw=2, ms=8.5, mew=2)
-%% plt.savefig("../figures/sine-polar.pdf", dpi=100)
-%% plt.show()
 
 \vfill
 %

scripts/sine.py

@@ -42,16 +42,31 @@
 # plt.show()
 
 
-fig = plt.figure(figsize=(7,1.5))
-plt.plot(X, np.sin(X), "C0", lw=2, label="Sine")
-plt.plot(X, np.cos(X), "C1", lw=2, label="Cosine")
-plt.legend(bbox_to_anchor = (0.0, .9, 1.02, 0.1),
-           frameon=False, mode="expand", ncol=2, loc="lower left")
-plt.title("Sine and Cosine")
-plt.xticks([]), plt.yticks([])
-plt.ylim(-1.25, 1.25)
-plt.tight_layout()
-plt.savefig("../figures/sine-legend.pdf", dpi=100)
-plt.show()
+# fig = plt.figure(figsize=(7,1.5))
+# plt.plot(X, np.sin(X), "C0", lw=2, label="Sine")
+# plt.plot(X, np.cos(X), "C1", lw=2, label="Cosine")
+# plt.legend(bbox_to_anchor = (0.0, .9, 1.02, 0.1),
+#            frameon=False, mode="expand", ncol=2, loc="lower left")
+# plt.title("Sine and Cosine")
+# plt.xticks([]), plt.yticks([])
+# plt.ylim(-1.25, 1.25)
+# plt.tight_layout()
+# plt.savefig("../figures/sine-legend.pdf", dpi=100)
+# plt.show()
 
 
+fig = plt.figure(figsize=(7,1.5))
+X = np.linspace(0, 10*np.pi, 1000)
+Y = np.sin(X)
+plt.plot(X, Y, "C1o-", markevery=50,  mec="1.0", lw=2, ms=8.5, mew=2)
+# plt.xticks([]), plt.yticks([])
+plt.ylim(-1.5, 1.5)
+plt.annotate(" ", (X[200],Y[200]), (X[250], -1), ha="center", va="center",
+             arrowprops = {"arrowstyle" : "->", "color": "C1"})
+plt.annotate("A", (X[250],Y[250]), (X[250], -1), ha="center", va="center",
+             arrowprops = {"arrowstyle" : "->", "color": "C1"})
+plt.annotate(" ", (X[300],Y[300]), (X[250], -1), ha="center", va="center",
+             arrowprops = {"arrowstyle" : "->", "color": "C1"})
+plt.tight_layout()
+plt.savefig("../figures/sine-annotate.pdf", dpi=100)
+# plt.show()