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   "source": [
    "# Visualization\n",
    "\n",
    "**pyecsca** uses [holoviews](https://holoviews.org), [bokeh](https://bokeh.org), [datashader](https://datashader.org) and [matplotlib](https://matplotlib.org) to visualize traces."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "First load an example trace set containing one trace."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from pyecsca.sca.trace.plot import plot_trace, plot_traces\n",
    "from pyecsca.sca.trace_set import PickleTraceSet\n",
    "import holoviews as hv"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "trace_set = PickleTraceSet.read(\"example_traces.pickle\")\n",
    "len(trace_set)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Then setup the interactive `bokeh` session."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "hv.extension(\"bokeh\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Plot a trace, filling available width. This uses `datashader` and will not work on a static rendering of a notebook. This is necessary to deal with large traces (millions of samples), which `bokeh` or `matplotlib` would not handle."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "plot_trace(trace_set[0]).opts(width=950, height=600)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Process the trace by a lowpass and highpass filters and plot the two resulting traces."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from pyecsca.sca.trace.filter import filter_lowpass, filter_highpass\n",
    "low = filter_lowpass(trace_set[0], 12_500_000, 50_000)\n",
    "high = filter_highpass(trace_set[0], 12_500_000, 2_250_000)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "plot_traces(high, low).opts(width=950, height=600)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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