{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "034672cc",
   "metadata": {},
   "source": [
    "## Performance testing of OBJ loader"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "627ca9a8",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2021-10-22T11:45:17.530873Z",
     "iopub.status.busy": "2021-10-22T11:45:17.530200Z",
     "iopub.status.idle": "2021-10-22T11:45:17.541385Z",
     "shell.execute_reply": "2021-10-22T11:45:17.540862Z"
    }
   },
   "outputs": [],
   "source": [
    "%load_ext autoreload\n",
    "%autoreload 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "82805b32",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2021-10-22T11:45:17.545058Z",
     "iopub.status.busy": "2021-10-22T11:45:17.544401Z",
     "iopub.status.idle": "2021-10-22T11:45:17.641699Z",
     "shell.execute_reply": "2021-10-22T11:45:17.642119Z"
    }
   },
   "outputs": [],
   "source": [
    "import lmenv\n",
    "env = lmenv.load('.lmenv')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "d7374839",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2021-10-22T11:45:17.645328Z",
     "iopub.status.busy": "2021-10-22T11:45:17.644624Z",
     "iopub.status.idle": "2021-10-22T11:45:17.956241Z",
     "shell.execute_reply": "2021-10-22T11:45:17.955789Z"
    }
   },
   "outputs": [],
   "source": [
    "import os\n",
    "import imageio\n",
    "import pandas as pd\n",
    "import numpy as np\n",
    "import timeit\n",
    "import lmscene\n",
    "import lightmetrica as lm"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "5476f08f",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2021-10-22T11:45:17.960075Z",
     "iopub.status.busy": "2021-10-22T11:45:17.959574Z",
     "iopub.status.idle": "2021-10-22T11:45:18.184496Z",
     "shell.execute_reply": "2021-10-22T11:45:18.184071Z"
    }
   },
   "outputs": [],
   "source": [
    "%load_ext lightmetrica_jupyter"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "aaf58950",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2021-10-22T11:45:18.188643Z",
     "iopub.status.busy": "2021-10-22T11:45:18.187859Z",
     "iopub.status.idle": "2021-10-22T11:45:18.200726Z",
     "shell.execute_reply": "2021-10-22T11:45:18.201107Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[I|0.000] Lightmetrica -- Version 3.0.0 (rev. 70601db) Linux x64\n"
     ]
    }
   ],
   "source": [
    "lm.init()\n",
    "lm.log.init('jupyter')\n",
    "lm.progress.init('jupyter')\n",
    "lm.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "d0e67740",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2021-10-22T11:45:18.204882Z",
     "iopub.status.busy": "2021-10-22T11:45:18.204246Z",
     "iopub.status.idle": "2021-10-22T11:45:18.217876Z",
     "shell.execute_reply": "2021-10-22T11:45:18.217472Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[I|0.017] Loading plugin [name='objloader_tinyobjloader']\n",
      "[I|0.017] .. Successfully loaded [name='objloader_tinyobjloader']\n"
     ]
    }
   ],
   "source": [
    "lm.comp.load_plugin(os.path.join(env.bin_path, 'objloader_tinyobjloader'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "8a18e686",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2021-10-22T11:45:18.221724Z",
     "iopub.status.busy": "2021-10-22T11:45:18.221061Z",
     "iopub.status.idle": "2021-10-22T11:45:18.233574Z",
     "shell.execute_reply": "2021-10-22T11:45:18.233097Z"
    }
   },
   "outputs": [],
   "source": [
    "objloader_names = ['simple', 'tinyobjloader']\n",
    "scene_names = lmscene.scenes_small()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "2236b033",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2021-10-22T11:45:18.239222Z",
     "iopub.status.busy": "2021-10-22T11:45:18.238510Z",
     "iopub.status.idle": "2021-10-22T11:45:21.144149Z",
     "shell.execute_reply": "2021-10-22T11:45:21.144529Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[I|0.053] Loading asset [name='model_obj']\n",
      "[I|0.053] .. Loading OBJ file [path='fireplace_room.obj']\n",
      "[I|0.053] .. Loading MTL file [path='fireplace_room.mtl']\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[I|0.377] .. Loading texture [path='wood.ppm']\n",
      "[I|0.468] .. Loading texture [path='leaf.ppm']\n",
      "[I|0.470] .. Loading texture [path='picture8.ppm']\n",
      "[I|0.502] .. Loading texture [path='wood5.ppm']\n",
      "[I|0.559] Loading asset [name='model_obj']\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[I|0.861] .. Loading texture [path='wood.ppm']\n",
      "[I|0.949] .. Loading texture [path='leaf.ppm']\n",
      "[I|0.951] .. Loading texture [path='picture8.ppm']\n",
      "[I|0.980] .. Loading texture [path='wood5.ppm']\n",
      "[I|1.035] Loading asset [name='model_obj']\n",
      "[I|1.035] .. Loading OBJ file [path='fireplace_room.obj']\n",
      "[I|1.035] .. Loading MTL file [path='fireplace_room.mtl']\n",
      "[I|1.355] .. Loading texture [path='wood.ppm']\n",
      "[I|1.444] .. Loading texture [path='leaf.ppm']\n",
      "[I|1.447] .. Loading texture [path='picture8.ppm']\n",
      "[I|1.475] .. Loading texture [path='wood5.ppm']\n",
      "[I|1.531] Loading asset [name='model_obj']\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[I|1.824] .. Loading texture [path='wood.ppm']\n",
      "[I|1.911] .. Loading texture [path='leaf.ppm']\n",
      "[I|1.913] .. Loading texture [path='picture8.ppm']\n",
      "[I|1.943] .. Loading texture [path='wood5.ppm']\n",
      "[I|1.995] Loading asset [name='model_obj']\n",
      "[I|1.996] .. Loading OBJ file [path='fireplace_room.obj']\n",
      "[I|1.996] .. Loading MTL file [path='fireplace_room.mtl']\n",
      "[I|2.307] .. Loading texture [path='wood.ppm']\n",
      "[I|2.388] .. Loading texture [path='leaf.ppm']\n",
      "[I|2.390] .. Loading texture [path='picture8.ppm']\n",
      "[I|2.417] .. Loading texture [path='wood5.ppm']\n",
      "[I|2.473] Loading asset [name='model_obj']\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[I|2.772] .. Loading texture [path='wood.ppm']\n",
      "[I|2.859] .. Loading texture [path='leaf.ppm']\n",
      "[I|2.862] .. Loading texture [path='picture8.ppm']\n",
      "[I|2.891] .. Loading texture [path='wood5.ppm']\n"
     ]
    }
   ],
   "source": [
    "loading_time_df = pd.DataFrame(columns=objloader_names, index=scene_names)\n",
    "for scene_name in scene_names:\n",
    "    # Check consistency with other loaders\n",
    "    for objloader_name in objloader_names:\n",
    "        # Load the scene with selected obj loader\n",
    "        lm.objloader.init(objloader_name)\n",
    "        lm.reset()\n",
    "        \n",
    "        def load_model():\n",
    "            lm.load_model('model_obj', 'wavefrontobj', {\n",
    "                'path': os.path.join(env.scene_path, 'fireplace_room/fireplace_room.obj')\n",
    "            })\n",
    "            \n",
    "        loading_time = timeit.timeit(stmt=load_model, number=1)\n",
    "        loading_time_df[objloader_name][scene_name] = loading_time"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "97ee6296",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2021-10-22T11:45:21.148883Z",
     "iopub.status.busy": "2021-10-22T11:45:21.147931Z",
     "iopub.status.idle": "2021-10-22T11:45:21.168321Z",
     "shell.execute_reply": "2021-10-22T11:45:21.167919Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
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       "    }\n",
       "\n",
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       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>simple</th>\n",
       "      <th>tinyobjloader</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>fireplace_room</th>\n",
       "      <td>0.502512</td>\n",
       "      <td>0.471116</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>cornell_box_sphere</th>\n",
       "      <td>0.492432</td>\n",
       "      <td>0.461976</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>cube</th>\n",
       "      <td>0.473428</td>\n",
       "      <td>0.468999</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                      simple tinyobjloader\n",
       "fireplace_room      0.502512      0.471116\n",
       "cornell_box_sphere  0.492432      0.461976\n",
       "cube                0.473428      0.468999"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "loading_time_df"
   ]
  }
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