{
  "cells": [
    {
      "cell_type": "markdown",
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      "source": [
        "\n# Grayscale style sheet\n\nThis example demonstrates the \"grayscale\" style sheet, which changes all colors\nthat are defined as `.rcParams` to grayscale. Note, however, that not all\nplot elements respect `.rcParams`.\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "import matplotlib.pyplot as plt\nimport numpy as np\n\n# Fixing random state for reproducibility\nnp.random.seed(19680801)\n\n\ndef color_cycle_example(ax):\n    L = 6\n    x = np.linspace(0, L)\n    ncolors = len(plt.rcParams['axes.prop_cycle'])\n    shift = np.linspace(0, L, ncolors, endpoint=False)\n    for s in shift:\n        ax.plot(x, np.sin(x + s), 'o-')\n\n\ndef image_and_patch_example(ax):\n    ax.imshow(np.random.random(size=(20, 20)), interpolation='none')\n    c = plt.Circle((5, 5), radius=5, label='patch')\n    ax.add_patch(c)\n\n\nplt.style.use('grayscale')\n\nfig, (ax1, ax2) = plt.subplots(ncols=2)\nfig.suptitle(\"'grayscale' style sheet\")\n\ncolor_cycle_example(ax1)\nimage_and_patch_example(ax2)\n\nplt.show()"
      ]
    }
  ],
  "metadata": {
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      "display_name": "Python 3",
      "language": "python",
      "name": "python3"
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      "codemirror_mode": {
        "name": "ipython",
        "version": 3
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      "file_extension": ".py",
      "mimetype": "text/x-python",
      "name": "python",
      "nbconvert_exporter": "python",
      "pygments_lexer": "ipython3",
      "version": "3.14.6"
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