xautodl/notebooks/spaces-xmisc/synthetic-visualize-env.ipynb
2021-06-11 11:46:18 +08:00

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{
"cells": [
{
"cell_type": "code",
"execution_count": 1,
"id": "filled-multiple",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The root path: /Users/xuanyidong/Desktop/AutoDL-Projects\n",
"The library path: /Users/xuanyidong/Desktop/AutoDL-Projects/lib\n"
]
}
],
"source": [
"import os, sys\n",
"import torch\n",
"from pathlib import Path\n",
"import numpy as np\n",
"import matplotlib\n",
"from matplotlib import cm\n",
"matplotlib.use(\"agg\")\n",
"import matplotlib.pyplot as plt\n",
"import matplotlib.ticker as ticker\n",
"\n",
"\n",
"__file__ = os.path.dirname(os.path.realpath(\"__file__\"))\n",
"root_dir = (Path(__file__).parent / \"..\").resolve()\n",
"lib_dir = (root_dir / \"lib\").resolve()\n",
"print(\"The root path: {:}\".format(root_dir))\n",
"print(\"The library path: {:}\".format(lib_dir))\n",
"assert lib_dir.exists(), \"{:} does not exist\".format(lib_dir)\n",
"if str(lib_dir) not in sys.path:\n",
" sys.path.insert(0, str(lib_dir))\n",
"\n",
"from datasets import ConstantGenerator, SinGenerator, SyntheticDEnv\n",
"from datasets import DynamicQuadraticFunc\n",
"from datasets.synthetic_example import create_example_v1"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "detected-second",
"metadata": {},
"outputs": [],
"source": [
"def draw_fig(save_dir, timestamp, xaxis, yaxis):\n",
" save_path = save_dir / '{:04d}'.format(timestamp)\n",
" # print('Plot the figure at timestamp-{:} into {:}'.format(timestamp, save_path))\n",
" dpi, width, height = 40, 1500, 1500\n",
" figsize = width / float(dpi), height / float(dpi)\n",
" LabelSize, LegendFontsize, font_gap = 80, 80, 5\n",
"\n",
" fig = plt.figure(figsize=figsize)\n",
" \n",
" cur_ax = fig.add_subplot(1, 1, 1)\n",
" cur_ax.scatter(xaxis, yaxis, color=\"k\", s=10, alpha=0.9, label=\"Timestamp={:02d}\".format(timestamp))\n",
" cur_ax.set_xlabel(\"X\", fontsize=LabelSize)\n",
" cur_ax.set_ylabel(\"f(X)\", rotation=0, fontsize=LabelSize)\n",
" cur_ax.set_xlim(-6, 6)\n",
" cur_ax.set_ylim(-40, 40)\n",
" for tick in cur_ax.xaxis.get_major_ticks():\n",
" tick.label.set_fontsize(LabelSize - font_gap)\n",
" tick.label.set_rotation(10)\n",
" for tick in cur_ax.yaxis.get_major_ticks():\n",
" tick.label.set_fontsize(LabelSize - font_gap)\n",
" \n",
" plt.legend(loc=1, fontsize=LegendFontsize)\n",
" fig.savefig(str(save_path) + '.pdf', dpi=dpi, bbox_inches=\"tight\", format=\"pdf\")\n",
" fig.savefig(str(save_path) + '.png', dpi=dpi, bbox_inches=\"tight\", format=\"png\")\n",
" plt.close(\"all\")\n",
"\n",
"\n",
"def visualize_env(save_dir):\n",
" save_dir.mkdir(parents=True, exist_ok=True)\n",
" dynamic_env, function = create_example_v1(100, num_per_task=500)\n",
" \n",
" additional_xaxis = np.arange(-6, 6, 0.1)\n",
" for timestamp, dataset in dynamic_env:\n",
" num = dataset.shape[0]\n",
" # timeaxis = (torch.zeros(num) + timestamp).numpy()\n",
" xaxis = dataset[:,0].numpy()\n",
" xaxis = np.concatenate((additional_xaxis, xaxis))\n",
" # compute the ground truth\n",
" function.set_timestamp(timestamp)\n",
" yaxis = function(xaxis)\n",
" draw_fig(save_dir, timestamp, xaxis, yaxis)\n",
"\n",
"home_dir = Path.home()\n",
"desktop_dir = home_dir / 'Desktop'\n",
"vis_save_dir = desktop_dir / 'vis-synthetic'\n",
"visualize_env(vis_save_dir)"
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "rapid-uruguay",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"ffmpeg -y -i /Users/xuanyidong/Desktop/vis-synthetic/%04d.png -pix_fmt yuv420p -vf fps=2 -vf scale=1000:1000 -vb 5000k /Users/xuanyidong/Desktop/vis-synthetic/vis.mp4\n"
]
},
{
"data": {
"text/plain": [
"0"
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Plot the data\n",
"cmd = 'ffmpeg -y -i {:}/%04d.png -pix_fmt yuv420p -vf fps=2 -vf scale=1000:1000 -vb 5000k {:}/vis.mp4'.format(vis_save_dir, vis_save_dir)\n",
"print(cmd)\n",
"os.system(cmd)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
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"file_extension": ".py",
"mimetype": "text/x-python",
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