{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Set CUDA:2 as current device.\n"
     ]
    }
   ],
   "source": [
    "import sys\n",
    "import os\n",
    "import torch\n",
    "\n",
    "sys.path.append(os.path.abspath(sys.path[0] + '/../../'))\n",
    "__package__ = \"deep_view_syn.notebook\"\n",
    "torch.cuda.set_device(2)\n",
    "print(\"Set CUDA:%d as current device.\" % torch.cuda.current_device())\n",
    "\n",
    "from ..data.spherical_view_syn import *\n",
    "from ..configs.spherical_view_syn import SphericalViewSynConfig\n",
    "from ..my import netio\n",
    "from ..my import util\n",
    "from ..my import device\n",
    "from ..my import view\n",
    "from ..my.gen_final import GenFinal\n",
    "\n",
    "\n",
    "def load_net(path):\n",
    "    config = SphericalViewSynConfig()\n",
    "    config.from_id(path[:-4])\n",
    "    config.SAMPLE_PARAMS['perturb_sample'] = False\n",
    "    config.print()\n",
    "    net = config.create_net().to(device.GetDevice())\n",
    "    netio.LoadNet(path, net)\n",
    "    return net\n",
    "\n",
    "\n",
    "def find_file(prefix):\n",
    "    for path in os.listdir():\n",
    "        if path.startswith(prefix):\n",
    "            return path\n",
    "    return None\n",
    "\n",
    "\n",
    "def load_views(data_desc_file) -> view.Trans:\n",
    "    with open(data_desc_file, 'r', encoding='utf-8') as file:\n",
    "        data_desc = json.loads(file.read())\n",
    "        view_centers = torch.tensor(\n",
    "            data_desc['view_centers'], device=device.GetDevice()).view(-1, 3)\n",
    "        view_rots = torch.tensor(\n",
    "            data_desc['view_rots'], device=device.GetDevice()).view(-1, 3, 3)\n",
    "        return view.Trans(view_centers, view_rots)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Change working directory to  /home/dengnc/deep_view_syn/data/bedroom_all_in_one\n",
      "==== Config fovea ====\n",
      "Net type:  nmsl\n",
      "Encode dim:  10\n",
      "Optimizer decay:  0\n",
      "Normalize:  False\n",
      "Direction as input:  False\n",
      "Full-connected network parameters: {'nf': 256, 'n_layers': 4, 'skips': []}\n",
      "Sample parameters {'spherical': True, 'depth_range': (1.0, 50.0), 'n_samples': 32, 'perturb_sample': False, 'lindisp': True, 'inverse_r': True}\n",
      "==========================\n",
      "Load net from fovea@nmsl-rgb_e10_fc256x4_d1.00-50.00_s32.pth ...\n",
      "==== Config periph ====\n",
      "Net type:  nnmsl\n",
      "Encode dim:  10\n",
      "Optimizer decay:  0\n",
      "Normalize:  False\n",
      "Direction as input:  False\n",
      "Full-connected network parameters: {'nf': 64, 'n_layers': 4, 'skips': []}\n",
      "Sample parameters {'spherical': True, 'depth_range': (1.0, 50.0), 'n_samples': 16, 'perturb_sample': False, 'lindisp': True, 'inverse_r': True}\n",
      "==========================\n",
      "Load net from periph@nnmsl-rgb_e10_fc64x4_d1.00-50.00_s16.pth ...\n",
      "Dataset loaded.\n",
      "views: [13]\n"
     ]
    }
   ],
   "source": [
    "#os.chdir(sys.path[0] + '/../data/__0_user_study/us_gas_all_in_one')\n",
    "os.chdir(sys.path[0] + '/../data/bedroom_all_in_one')\n",
    "print('Change working directory to ', os.getcwd())\n",
    "torch.autograd.set_grad_enabled(False)\n",
    "\n",
    "fovea_net = load_net(find_file('fovea'))\n",
    "periph_net = load_net(find_file('periph'))\n",
    "\n",
    "# Load Dataset\n",
    "views = load_views('nerf_views.json')\n",
    "print('Dataset loaded.')\n",
    "\n",
    "print('views:', views.size())\n",
    "#print('ref views:', ref_dataset.samples)\n",
    "\n",
    "fov_list = [20, 45, 110]\n",
    "res_list = [(128, 128), (256, 256), (256, 230)]  # (192,256)]\n",
    "res_full = (1600, 1440)\n",
    "gen = GenFinal(fov_list, res_list, res_full, fovea_net, periph_net,\n",
    "               device=device.GetDevice())\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "for view_idx in range(8):\n",
    "    center = (0, 0)\n",
    "    test_view = views.get(view_idx)\n",
    "    images = gen.gen(center, test_view, True)\n",
    "    #plot_figures(images, center)\n",
    "\n",
    "    util.CreateDirIfNeed('output/eval')\n",
    "    util.WriteImageTensor(images['blended'], 'output/eval/view%04d.png' % view_idx)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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