.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "gallery/shapes_and_collections/patch_collection.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. meta:: :keywords: codex .. note:: :class: sphx-glr-download-link-note :ref:`Go to the end ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_gallery_shapes_and_collections_patch_collection.py: ============================ Circles, Wedges and Polygons ============================ This example demonstrates how to use `.collections.PatchCollection`. See also :doc:`/gallery/shapes_and_collections/artist_reference`, which instead adds each artist separately to its own axes. .. GENERATED FROM PYTHON SOURCE LINES 11-63 .. code-block:: Python import matplotlib.pyplot as plt import numpy as np from matplotlib.collections import PatchCollection from matplotlib.patches import Circle, Polygon, Wedge # Fixing random state for reproducibility np.random.seed(19680801) fig, ax = plt.subplots() resolution = 50 # the number of vertices N = 3 x = np.random.rand(N) y = np.random.rand(N) radii = 0.1*np.random.rand(N) patches = [] for x1, y1, r in zip(x, y, radii): circle = Circle((x1, y1), r) patches.append(circle) x = np.random.rand(N) y = np.random.rand(N) radii = 0.1*np.random.rand(N) theta1 = 360.0*np.random.rand(N) theta2 = 360.0*np.random.rand(N) for x1, y1, r, t1, t2 in zip(x, y, radii, theta1, theta2): wedge = Wedge((x1, y1), r, t1, t2) patches.append(wedge) # Some limiting conditions on Wedge patches += [ Wedge((.3, .7), .1, 0, 360), # Full circle Wedge((.7, .8), .2, 0, 360, width=0.05), # Full ring Wedge((.8, .3), .2, 0, 45), # Full sector Wedge((.8, .3), .2, 45, 90, width=0.10), # Ring sector ] for i in range(N): polygon = Polygon(np.random.rand(N, 2), closed=True) patches.append(polygon) colors = 100 * np.random.rand(len(patches)) p = PatchCollection(patches, alpha=0.4) p.set_array(colors) ax.add_collection(p) fig.colorbar(p, ax=ax) plt.show() .. image-sg:: /gallery/shapes_and_collections/images/sphx_glr_patch_collection_001.png :alt: patch collection :srcset: /gallery/shapes_and_collections/images/sphx_glr_patch_collection_001.png, /gallery/shapes_and_collections/images/sphx_glr_patch_collection_001_2_00x.png 2.00x :class: sphx-glr-single-img .. GENERATED FROM PYTHON SOURCE LINES 64-77 .. admonition:: References The use of the following functions, methods, classes and modules is shown in this example: - `matplotlib.patches` - `matplotlib.patches.Circle` - `matplotlib.patches.Wedge` - `matplotlib.patches.Polygon` - `matplotlib.collections.PatchCollection` - `matplotlib.collections.Collection.set_array` - `matplotlib.axes.Axes.add_collection` - `matplotlib.figure.Figure.colorbar` .. _sphx_glr_download_gallery_shapes_and_collections_patch_collection.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: patch_collection.ipynb ` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: patch_collection.py ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_