{
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "\n# Color by y-value\n\nUse masked arrays to plot a line with different colors by y-value.\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, 0.01)\ns = np.sin(2 * np.pi * t)\n\nupper = 0.77\nlower = -0.77\n\nsupper = np.ma.masked_where(s < upper, s)\nslower = np.ma.masked_where(s > lower, s)\nsmiddle = np.ma.masked_where((s < lower) | (s > upper), s)\n\nfig, ax = plt.subplots()\nax.plot(t, smiddle, t, slower, t, supper)\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.plot` / `matplotlib.pyplot.plot`\n\n.. tags::\n\n   styling: color\n   styling: conditional\n   plot-type: line\n   level: beginner\n\n"
      ]
    }
  ],
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    "kernelspec": {
      "display_name": "Python 3",
      "language": "python",
      "name": "python3"
    },
    "language_info": {
      "codemirror_mode": {
        "name": "ipython",
        "version": 3
      },
      "file_extension": ".py",
      "mimetype": "text/x-python",
      "name": "python",
      "nbconvert_exporter": "python",
      "pygments_lexer": "ipython3",
      "version": "3.13.5"
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  "nbformat": 4,
  "nbformat_minor": 0
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