{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "import matplotlib.pyplot as plt\n",
    "import pandas as pd\n",
    "import requests\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "shot_no = 46865 # to be replaced by the actual discharge number"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Plasma life time"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "plasma_start = float(requests.get(f'http://golem.fjfi.cvut.cz/shots/{shot_no}/Diagnostics/PlasmaDetection/Results/t_plasma_start').text)\n",
    "plasma_end = float(requests.get(f'http://golem.fjfi.cvut.cz/shots/{shot_no}/Diagnostics/PlasmaDetection/Results/t_plasma_end').text)\n",
    "\n",
    "\n",
    "print ('Plasma start =', round(plasma_start, 3), 'ms')\n",
    "print ('Plasma end =', round(plasma_end, 3), 'ms')\n",
    "\n",
    "# convert to s\n",
    "plasma_start*=1e-3\n",
    "plasma_end*=1e-3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "data_url = f\"http://golem.fjfi.cvut.cz/shots/{shot_no}/Diagnostics/LangBallPenProbe/DAS_raw_data_dir/data.csv\"\n",
    "df = pd.read_csv(data_url)\n",
    "df.set_index('time', inplace=True)\n",
    "df.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "df.plot()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "df_plasma = df[plasma_start:plasma_end]\n",
    "\n",
    "normalized_time = df_plasma.index.to_numpy()\n",
    "normalized_time-=normalized_time.min()\n",
    "normalized_time/=normalized_time.max()\n",
    "\n",
    "df_plasma.plot.scatter(x = 'ch1', y = 'ch2', s = .1, c = normalized_time, alpha = .7)\n",
    "plt.savefig('icon-fig.png')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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