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   "source": [
    "#### **Title**: Curve selection streams example\n",
    "\n",
    "**Description**: A linked streams example demonstrating how to use the Selection1D stream to access Curves selected using a tap tool on one plot and mirror them on another plot.\n",
    "\n",
    "**Dependencies**: Bokeh\n",
    "\n",
    "**Backends**: [Bokeh](./Selection1D.ipynb)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "import holoviews as hv\n",
    "from holoviews import opts\n",
    "from holoviews import streams\n",
    "hv.extension('bokeh')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "ndoverlay = hv.NdOverlay({i: hv.Curve(np.arange(10)*i) for i in range(5)})\n",
    "\n",
    "selection = streams.Selection1D(source=ndoverlay)\n",
    "dmap = hv.DynamicMap(lambda index: ndoverlay[index] if index else ndoverlay.clone(),\n",
    "                     kdims=[], streams=[selection])\n",
    "layout = ndoverlay + dmap\n",
    "layout.opts(\n",
    "    opts.Curve(tools=['tap'], line_width=10),\n",
    "    opts.NdOverlay(legend_limit=0))"
   ]
  }
 ],
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