{
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "\n# Shade regions defined by a logical mask using fill_between\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "import matplotlib.pyplot as plt\nimport numpy as np\n\nt = np.arange(0.0, 2, 0.01)\ns = np.sin(2*np.pi*t)\n\nfig, ax = plt.subplots()\n\nax.plot(t, s, color='black')\nax.axhline(0, color='black')\n\nax.fill_between(t, 1, where=s > 0, facecolor='green', alpha=.5)\nax.fill_between(t, -1, where=s < 0, facecolor='red', alpha=.5)\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.axes.Axes.fill_between`\n\n.. tags::\n\n   styling: conditional\n   plot-style: fill_between\n   level: beginner\n\n"
      ]
    }
  ],
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      "display_name": "Python 3",
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      "name": "python3"
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      "codemirror_mode": {
        "name": "ipython",
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      "file_extension": ".py",
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      "nbconvert_exporter": "python",
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