demo + utils venv

2019-02-03 13:40:10 +01:00
parent 5fa112490b
commit cfa9c8ea23
5994 changed files with 1353819 additions and 0 deletions
@@ -0,0 +1,25 @@
+import pytest
+
+import matplotlib
+from matplotlib.testing.decorators import image_comparison
+import matplotlib.pyplot as plt
+
+
+@pytest.mark.skipif(not matplotlib.checkdep_usetex(True),
+                    reason='Missing TeX or Ghostscript or dvipng')
+@image_comparison(baseline_images=['test_usetex'],
+                  extensions=['pdf', 'png'],
+                  tol=0.3)
+def test_usetex():
+    matplotlib.rcParams['text.usetex'] = True
+    fig = plt.figure()
+    ax = fig.add_subplot(111)
+    ax.text(0.1, 0.2,
+            # the \LaTeX macro exercises character sizing and placement,
+            # \left[ ... \right\} draw some variable-height characters,
+            # \sqrt and \frac draw horizontal rules, \mathrm changes the font
+            r'\LaTeX\ $\left[\int\limits_e^{2e}'
+            r'\sqrt\frac{\log^3 x}{x}\,\mathrm{d}x \right\}$',
+            fontsize=24)
+    ax.set_xticks([])
+    ax.set_yticks([])