outsource reconstruction data in separate arrays

Previously, all fit information data (corresponding key: 'fitinf') from offline files was given to the user in a big chuncked array. To address the issue #16 (closed) 'fitinf data' is restructured into a numpy rec array.

notebooks/OfflineReader_tutorial.ipynb

@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -32,7 +32,7 @@
     {
      "data": {
       "text/plain": [
-       "<km3io.aanet.OfflineReader at 0x7f87bd4ce310>"
+       "<km3io.offline.OfflineReader at 0x7fb60c2dc590>"
       ]
      },
      "execution_count": 2,
@@ -245,7 +245,7 @@
     {
      "data": {
       "text/plain": [
-       "<ChunkedArray [1 2 3 ... 8 9 10] at 0x7f87906e86d0>"
+       "<ChunkedArray [1 2 3 ... 8 9 10] at 0x7fb5da350b50>"
       ]
      },
      "execution_count": 6,
@@ -265,7 +265,7 @@
     {
      "data": {
       "text/plain": [
-       "<ChunkedArray [44 44 44 ... 44 44 44] at 0x7f87906e87d0>"
+       "<ChunkedArray [44 44 44 ... 44 44 44] at 0x7fb5da3506d0>"
       ]
      },
      "execution_count": 7,
@@ -285,7 +285,7 @@
     {
      "data": {
       "text/plain": [
-       "<ChunkedArray [182 183 202 ... 185 185 204] at 0x7f87906e8c10>"
+       "<ChunkedArray [182 183 202 ... 185 185 204] at 0x7fb5da350950>"
       ]
      },
      "execution_count": 8,
@@ -305,7 +305,7 @@
     {
      "data": {
       "text/plain": [
-       "<ChunkedArray [176 125 318 ... 84 255 105] at 0x7f87906f9210>"
+       "<ChunkedArray [176 125 318 ... 84 255 105] at 0x7fb5da350350>"
       ]
      },
      "execution_count": 9,
@@ -332,7 +332,7 @@
     {
      "data": {
       "text/plain": [
-       "<ChunkedArray [5.170483995038151 4.8283137373023015 5.762051382780177 ... 4.430816798843313 5.541263545158426 4.653960350157523] at 0x7f879052d4d0>"
+       "<ChunkedArray [5.170483995038151 4.8283137373023015 5.762051382780177 ... 4.430816798843313 5.541263545158426 4.653960350157523] at 0x7fb60fcdd2d0>"
       ]
      },
      "execution_count": 10,
@@ -449,7 +449,7 @@
     {
      "data": {
       "text/plain": [
-       "<ChunkedArray [[806451572 806451572 806451572 ... 809544061 809544061 809544061] [806451572 806451572 806451572 ... 809524432 809526097 809544061] [806451572 806451572 806451572 ... 809544061 809544061 809544061] ... [806451572 806455814 806465101 ... 809526097 809544058 809544061] [806455814 806455814 806455814 ... 809544061 809544061 809544061] [806455814 806455814 806455814 ... 809544058 809544058 809544061]] at 0x7f87906f9450>"
+       "<ChunkedArray [[806451572 806451572 806451572 ... 809544061 809544061 809544061] [806451572 806451572 806451572 ... 809524432 809526097 809544061] [806451572 806451572 806451572 ... 809544061 809544061 809544061] ... [806451572 806455814 806465101 ... 809526097 809544058 809544061] [806455814 806455814 806455814 ... 809544061 809544061 809544061] [806455814 806455814 806455814 ... 809544058 809544058 809544061]] at 0x7fb5da350fd0>"
       ]
      },
      "execution_count": 14,
@@ -469,7 +469,7 @@
     {
      "data": {
       "text/plain": [
-       "<ChunkedArray [[24 30 22 ... 38 26 23] [29 26 22 ... 26 28 24] [27 19 13 ... 27 24 16] ... [22 22 9 ... 27 32 27] [30 32 17 ... 30 24 29] [27 41 36 ... 29 24 28]] at 0x7f87906f9810>"
+       "<ChunkedArray [[24 30 22 ... 38 26 23] [29 26 22 ... 26 28 24] [27 19 13 ... 27 24 16] ... [22 22 9 ... 27 32 27] [30 32 17 ... 30 24 29] [27 41 36 ... 29 24 28]] at 0x7fb5da3a3310>"
       ]
      },
      "execution_count": 15,
@@ -645,7 +645,7 @@
     {
      "data": {
       "text/plain": [
-       "<ChunkedArray [[294.6407542676734 294.6407542676734 294.6407542676734 ... 67.81221253265059 67.7756405143316 67.77250505700384] [96.75133289411137 96.75133289411137 96.75133289411137 ... 39.21916536442286 39.184645826013806 38.870325146341884] [560.2775306614813 560.2775306614813 560.2775306614813 ... 118.88577278801066 118.72271313687405 117.80785995187605] ... [71.03251451148226 71.03251451148226 71.03251451148226 ... 16.714140573909347 16.444395245214945 16.34639241716669] [326.440133294878 326.440133294878 326.440133294878 ... 87.79818671079849 87.75488082571873 87.74839444768625] [159.77779654216795 159.77779654216795 159.77779654216795 ... 33.8669134999348 33.821631538334984 33.77240735670646]] at 0x7f8790683d50>"
+       "<ChunkedArray [[294.6407542676734 294.6407542676734 294.6407542676734 ... 67.81221253265059 67.7756405143316 67.77250505700384] [96.75133289411137 96.75133289411137 96.75133289411137 ... 39.21916536442286 39.184645826013806 38.870325146341884] [560.2775306614813 560.2775306614813 560.2775306614813 ... 118.88577278801066 118.72271313687405 117.80785995187605] ... [71.03251451148226 71.03251451148226 71.03251451148226 ... 16.714140573909347 16.444395245214945 16.34639241716669] [326.440133294878 326.440133294878 326.440133294878 ... 87.79818671079849 87.75488082571873 87.74839444768625] [159.77779654216795 159.77779654216795 159.77779654216795 ... 33.8669134999348 33.821631538334984 33.77240735670646]] at 0x7fb5da302b50>"
       ]
      },
      "execution_count": 21,
@@ -788,6 +788,63 @@
     "r[0].tracks[0].lik"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 26,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "('JGANDALF_BETA0_RAD',\n",
+       " 'JGANDALF_BETA1_RAD',\n",
+       " 'JGANDALF_CHI2',\n",
+       " 'JGANDALF_NUMBER_OF_HITS',\n",
+       " 'JENERGY_ENERGY',\n",
+       " 'JENERGY_CHI2',\n",
+       " 'JGANDALF_LAMBDA',\n",
+       " 'JGANDALF_NUMBER_OF_ITERATIONS',\n",
+       " 'JSTART_NPE_MIP',\n",
+       " 'JSTART_NPE_MIP_TOTAL',\n",
+       " 'JSTART_LENGTH_METRES',\n",
+       " 'JVETO_NPE',\n",
+       " 'JVETO_NUMBER_OF_HITS',\n",
+       " 'JENERGY_MUON_RANGE_METRES',\n",
+       " 'JENERGY_NOISE_LIKELIHOOD',\n",
+       " 'JENERGY_NDF',\n",
+       " 'JENERGY_NUMBER_OF_HITS')"
+      ]
+     },
+     "execution_count": 26,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "r.tracks.reco.dtype.names"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "array([99.10458562, 99.10458562, 99.10458562, 37.85515249, 99.10458562,\n",
+       "        7.16916787, 99.10458562, 99.10458562, 49.13672986, 20.35137468])"
+      ]
+     },
+     "execution_count": 27,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "r.tracks.reco[\"JENERGY_ENERGY\"]"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -797,7 +854,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 28,
    "metadata": {},
    "outputs": [
     {
@@ -806,7 +863,7 @@
        "<OfflineHits: 10 parsed elements>"
       ]
      },
-     "execution_count": 26,
+     "execution_count": 28,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -824,7 +881,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 30,
    "metadata": {},
    "outputs": [
     {
@@ -833,7 +890,7 @@
        "<OfflineTracks: 10 parsed elements>"
       ]
      },
-     "execution_count": 27,
+     "execution_count": 30,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -842,13 +899,6 @@
     "r.mc_tracks"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
   {
    "cell_type": "code",
    "execution_count": null,