Merge pull request #7087 from rougier/linestyle

tacaswell · tacaswell · commit 7ed77e4b6a28 · 2016-09-14T14:56:52.000-04:00
DOC: Example of user-defined linestyle (TikZ linestyle)
diff --git a/examples/lines_bars_and_markers/linestyles.py b/examples/lines_bars_and_markers/linestyles.py
@@ -0,0 +1,43 @@
+"""
+Different linestyles copying those of Tikz/PGF
+"""
+import numpy as np
+import matplotlib.pyplot as plt
+from collections import OrderedDict
+
+linestyles = OrderedDict(
+    [('solid',               (0, ())),
+     ('loosely dotted',      (0, (1, 10))),
+     ('dotted',              (0, (1, 5))),
+     ('densely dotted',      (0, (1, 1))),
+
+     ('loosely dashed',      (0, (5, 10))),
+     ('dashed',              (0, (5, 5))),
+     ('densely dashed',      (0, (5, 1))),
+
+     ('loosely dashdotted',  (0, (3, 10, 1, 10))),
+     ('dashdotted',          (0, (3, 5, 1, 5))),
+     ('densely dashdotted',  (0, (3, 1, 1, 1))),
+
+     ('loosely dashdotdotted', (0, (3, 10, 1, 10, 1, 10))),
+     ('dashdotdotted',         (0, (3, 5, 1, 5, 1, 5))),
+     ('densely dashdotdotted', (0, (3, 1, 1, 1, 1, 1)))])
+
+
+plt.figure(figsize=(10, 6))
+ax = plt.subplot(1, 1, 1)
+
+X, Y = np.linspace(0, 100, 10), np.zeros(10)
+for i, (name, linestyle) in enumerate(linestyles.items()):
+    ax.plot(X, Y+i, linestyle=linestyle, linewidth=1.5, color='black')
+
+ax.set_ylim(-0.5, len(linestyles)-0.5)
+plt.yticks(np.arange(len(linestyles)), linestyles.keys())
+plt.xticks([])
+
+for i, (name, linestyle) in enumerate(linestyles.items()):
+    ax.text(-0.5, i-0.4, str(linestyle), fontsize=8, ha="right",
+            color="blue", family="monospace")
+
+plt.tight_layout()
+plt.show()
