{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Done. Total elapsed time: 0.03s\n",
      "(14.568, 59.012, 41.106)\n",
      "(29.481, 60.481, -2.774)\n",
      "(18.019, 71.888, -5.666)\n",
      "DONE\n"
     ]
    }
   ],
   "source": [
    "import pandas as pd\n",
    "import numpy as np\n",
    "import time\n",
    "from math import atan, sqrt\n",
    "\n",
    "inputData = 'data/jrp/accData-02-27_jrp_test.txt'\n",
    "outputData = 'data/jrp/jrp_Data_test.txt'\n",
    "\n",
    "start = time.time()\n",
    "columns = ['user','activity','timestamp', 'x-axis', 'y-axis', 'z-axis']\n",
    "df = pd.read_csv(inputData, header = None, names = columns)\n",
    "df = df.dropna()\n",
    "\n",
    "xList = list(df['x-axis'])\n",
    "yList = list(df['y-axis'])\n",
    "zList = list(df['z-axis'])\n",
    "\n",
    "#print(xList[0], yList[0], zList[0])\n",
    "\n",
    "M_PI = 3.14159265358979323846\n",
    "for i in range(0,df['x-axis'].size):\n",
    "    tempX = xList[i]* 3.9\n",
    "    tempY = yList[i]* 3.9\n",
    "    tempZ = zList[i]* 3.9\n",
    "    \n",
    "    if((tempY*tempY + tempZ*tempZ) == 0):\n",
    "        pitch = 180 * 1.570796/M_PI\n",
    "    else:\n",
    "        pitch = 180 * atan(tempX/sqrt(tempY*tempY + tempZ*tempZ))/M_PI\n",
    "    \n",
    "    if((tempX*tempX + tempZ*tempZ) == 0):\n",
    "        roll = 180 * 1.570796/M_PI\n",
    "    else:\n",
    "        roll = 180 * atan(tempY/sqrt(tempX*tempX + tempZ*tempZ))/M_PI \n",
    "    \n",
    "    if((tempX*tempX + tempZ*tempZ) == 0):\n",
    "        yaw = 180 * 1.570796/M_PI\n",
    "    else:\n",
    "        yaw = 180 * atan(tempZ/sqrt(tempX*tempX + tempZ*tempZ))/M_PI\n",
    "\n",
    "    xList[i] = round(pitch, 3)\n",
    "    yList[i] = round(roll, 3)\n",
    "    zList[i] = round(yaw, 3)\n",
    "    \n",
    "    if (i % 1000 == 0):\n",
    "        end = time.time()\n",
    "        #print(\"%.2f%% Done. Elapsed time: %.2fs\" % (i*100/df['x-axis'].size, end - start))\n",
    "        \n",
    "end = time.time()        \n",
    "print(\"Done. Total elapsed time: %.2fs\" % (end - start))\n",
    "print(xList[0], yList[0], zList[0])\n",
    "print(xList[1], yList[1], zList[1])\n",
    "print(xList[2], yList[2], zList[2])\n",
    "\n",
    "x_vector = np.asarray(xList)\n",
    "x_vector.T\n",
    "\n",
    "y_vector = np.asarray(yList)\n",
    "y_vector.T\n",
    "\n",
    "z_vector = np.asarray(zList)\n",
    "z_vector.T\n",
    "\n",
    "\n",
    "df['x-axis'] = x_vector\n",
    "df['y-axis'] = y_vector\n",
    "df['z-axis'] = z_vector\n",
    "\n",
    "\n",
    "df.to_csv(outputData, header=False, index=False) \n",
    "#print(df)\n",
    "print(\"DONE\")\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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