Merge pull request #17884 from forrestm/hatch_marker_styles

jklymak · web-flow · commit 4df10ff27cc8 · 2020-07-13T17:58:48.000-07:00
Created Hatch marker styles Demo for Example Gallery
diff --git a/.flake8 b/.flake8
@@ -226,6 +226,7 @@ per-file-ignores =
     examples/shapes_and_collections/ellipse_demo.py: E402
     examples/shapes_and_collections/fancybox_demo.py: E402
     examples/shapes_and_collections/hatch_demo.py: E402
+    examples/shapes_and_collections/hatch_style_reference.py: E402
     examples/shapes_and_collections/line_collection.py: E402
     examples/shapes_and_collections/marker_path.py: E402
     examples/shapes_and_collections/patch_collection.py: E402
diff --git a/examples/shapes_and_collections/hatch_style_reference.py b/examples/shapes_and_collections/hatch_style_reference.py
@@ -0,0 +1,40 @@
+"""
+=====================
+Hatch style reference
+=====================
+
+Hatching (pattern filled polygons) is currently supported in the backends
+PS, PDF, SVG and Agg. The backends OSX, WX and Cairo ignore hatching.
+"""
+import matplotlib.pyplot as plt
+from matplotlib.patches import Rectangle
+
+fig, axs = plt.subplots(2, 5, constrained_layout=True, figsize=(10, 5))
+
+hatches = ['/', '\\', '|', '-', '+', 'x', 'o', 'O', '.', '*']
+
+
+def hatches_plot(ax, h):
+    ax.add_patch(Rectangle((0, 0), 2, 2, fill=False, hatch=h))
+    ax.text(1, -0.5, f"' {h} '", size=15, ha="center")
+    ax.axis('equal')
+    ax.axis('off')
+
+for ax, h in zip(axs.flat, hatches):
+    hatches_plot(ax, h)
+
+#############################################################################
+#
+# ------------
+#
+# References
+# """"""""""
+#
+# The use of the following functions, methods, classes and modules is shown
+# in this example:
+
+import matplotlib
+matplotlib.patches
+matplotlib.patches.Rectangle
+matplotlib.axes.Axes.add_patch
+matplotlib.axes.Axes.text
