{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Processing EHT Data using `oifits`"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from oifits.read import OIParser"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Read the OIFITS file"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = OIParser.read(\"test.oifits\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Get the Data in numpy array"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "#output u1, v1, u2, v2, u3, v3, t3amp, t3phi, t3err\n",
    "t3data = a.export_to_ascii()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[-9.20213077e+08,  2.24862919e+09,  4.10961013e+09, ...,\n",
       "        -1.15278000e+00,  2.40325297e-03,  1.57017926e+00],\n",
       "       [ 5.48462302e+08,  5.78208363e+08,  4.10961013e+09, ...,\n",
       "         3.01467000e-01,  1.47845916e-03,  9.35142886e-01],\n",
       "       [-1.46867538e+09,  1.67042083e+09,  4.65807243e+09, ...,\n",
       "         2.22968800e+00,  1.76167204e-03,  1.19469978e+00],\n",
       "       ...,\n",
       "       [-7.87694372e+08,  2.25763849e+09,  4.01444035e+09, ...,\n",
       "         3.47386000e-01,  2.41208086e-03,  1.59243070e+00],\n",
       "       [ 5.71504343e+08,  5.72300483e+08,  4.01444035e+09, ...,\n",
       "         1.26194000e+00,  1.48569496e-03,  9.34430629e-01],\n",
       "       [-1.35919871e+09,  1.68533801e+09,  4.58594469e+09, ...,\n",
       "         5.00440000e-01,  1.75579165e-03,  1.23489333e+00]])"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "t3data"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "That's it, now you can apply any type of data science model to analyse the data. The 500 lines of code you had to write everytime is reduced to mere 3 line code"
   ]
  }
 ],
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