{
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "\n# tricontourf(x, y, z)\nDraw contour regions on an unstructured triangular grid.\n\nSee `~matplotlib.axes.Axes.tricontourf`.\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "import matplotlib.pyplot as plt\nimport numpy as np\n\nplt.style.use('_mpl-gallery-nogrid')\n\n# make data:\nnp.random.seed(1)\nx = np.random.uniform(-3, 3, 256)\ny = np.random.uniform(-3, 3, 256)\nz = (1 - x/2 + x**5 + y**3) * np.exp(-x**2 - y**2)\nlevels = np.linspace(z.min(), z.max(), 7)\n\n# plot:\nfig, ax = plt.subplots()\n\nax.plot(x, y, 'o', markersize=2, color='grey')\nax.tricontourf(x, y, z, levels=levels)\n\nax.set(xlim=(-3, 3), ylim=(-3, 3))\n\nplt.show()"
      ]
    }
  ],
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      "language": "python",
      "name": "python3"
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      "file_extension": ".py",
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