{
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   "id": "224d81d5-6bd5-4b9a-835d-e834b91cfaae",
   "metadata": {
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   },
   "source": [
    "This notebook is part of the `kikuchipy` documentation https://kikuchipy.org.\n",
    "Links to the documentation won't work from the notebook."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "cedd5286-69f4-476b-8926-43a62ac48c22",
   "metadata": {},
   "source": [
    "# Save nice master pattern image\n",
    "\n",
    "This example shows how to save a master pattern in the stereographic projection\n",
    "without a background to file."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "interpreted-fifteen",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "%matplotlib inline\n",
    "\n",
    "import kikuchipy as kp\n",
    "import matplotlib.pyplot as plt\n",
    "import numpy as np\n",
    "from skimage.color import gray2rgba"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "dab2474d-166c-419c-a9c4-7af18c48d171",
   "metadata": {},
   "outputs": [],
   "source": [
    "mp = kp.data.nickel_ebsd_master_pattern_small(\n",
    "    projection=\"stereographic\",\n",
    "    energy=20,\n",
    "    hemisphere=\"north\"\n",
    ")\n",
    "\n",
    "mp.rescale_intensity(out_range=np.float32)\n",
    "data = gray2rgba(mp.data)\n",
    "mask = data[..., 0] == 0\n",
    "data[mask, -1] = 0"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "43c1376d-1dfa-4f94-8979-f3871dd135d2",
   "metadata": {
    "tags": [
     "nbsphinx-thumbnail"
    ]
   },
   "outputs": [],
   "source": [
    "plt.figure()\n",
    "plt.imshow(data)\n",
    "plt.axis(\"off\");\n",
    "\n",
    "#plt.imsave(\"masterpattern.png\", arr=data, cmap=\"gray\")"
   ]
  }
 ],
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