{
  "cells": [
    {
      "cell_type": "markdown",
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      "source": [
        "\n# Ellipse Demo\n\nDraw many ellipses. Here individual ellipses are drawn. Compare this\nto the :doc:`Ellipse collection example\n</gallery/shapes_and_collections/ellipse_collection>`.\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "import matplotlib.pyplot as plt\nimport numpy as np\n\nfrom matplotlib.patches import Ellipse\n\n# Fixing random state for reproducibility\nnp.random.seed(19680801)\n\nNUM = 250\n\nells = [Ellipse(xy=np.random.rand(2) * 10,\n                width=np.random.rand(), height=np.random.rand(),\n                angle=np.random.rand() * 360)\n        for i in range(NUM)]\n\nfig, ax = plt.subplots()\nax.set(xlim=(0, 10), ylim=(0, 10), aspect=\"equal\")\n\nfor e in ells:\n    ax.add_artist(e)\n    e.set_clip_box(ax.bbox)\n    e.set_alpha(np.random.rand())\n    e.set_facecolor(np.random.rand(3))\n\nplt.show()"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "# Ellipse Rotated\n\nDraw many ellipses with different angles.\n\n\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "angle_step = 45  # degrees\nangles = np.arange(0, 180, angle_step)\n\nfig, ax = plt.subplots()\nax.set(xlim=(-2.2, 2.2), ylim=(-2.2, 2.2), aspect=\"equal\")\n\nfor angle in angles:\n    ellipse = Ellipse((0, 0), 4, 2, angle=angle, alpha=0.1)\n    ax.add_artist(ellipse)\n\nplt.show()"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        ".. admonition:: References\n\n   The use of the following functions, methods, classes and modules is shown\n   in this example:\n\n   - `matplotlib.patches`\n   - `matplotlib.patches.Ellipse`\n   - `matplotlib.axes.Axes.add_artist`\n   - `matplotlib.artist.Artist.set_clip_box`\n   - `matplotlib.artist.Artist.set_alpha`\n   - `matplotlib.patches.Patch.set_facecolor`\n\n"
      ]
    }
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