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on
Zero
Running
on
Zero
File size: 4,191 Bytes
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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Visualize environment and custom tasks"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"import pathlib\n",
"import sys\n",
"import os\n",
"sys.path.append(str(pathlib.Path(os.path.abspath('')).parent))\n",
"\n",
"from envs.custom_dmc_tasks import *\n",
"from dm_control import suite\n",
"import numpy as np\n",
"\n",
"domain = 'stickman'\n",
"task = 'sit_knees'\n",
"\n",
"env = suite.load(domain_name=domain, task_name=task, visualize_reward=True)\n",
"\n",
"action_spec = env.action_spec()\n",
"\n",
"# Define a uniform random policy.\n",
"def random_policy(time_step):\n",
" del time_step # Unused.\n",
" return np.random.uniform(low=action_spec.minimum,\n",
" high=action_spec.maximum,\n",
" size=action_spec.shape)\n",
"\n",
"def zero_policy(time_step):\n",
" del time_step\n",
" return np.zeros(action_spec.shape)\n",
" \n",
"\n",
"class GoalSetWrapper:\n",
" def __init__(self, env, goal=None, goal_idx=None):\n",
" self._env = env\n",
" self._env._step_limit = float('inf')\n",
" self._goal = goal\n",
" self._goal_idx = goal_idx\n",
"\n",
" def step(self, *args, **kwargs):\n",
" if self._goal is not None:\n",
" self.set_goal(self._goal)\n",
" if self._goal_idx is not None:\n",
" self.set_goal_by_idx(self._goal_idx)\n",
" return self._env.step(*args, **kwargs)\n",
" \n",
" def set_goal_by_idx(self, idx_goal):\n",
" cur = self._env.physics.get_state().copy()\n",
" for idx, goal in idx_goal:\n",
" cur[idx] = goal\n",
" self._env.physics.set_state(cur)\n",
" self._env.step(np.zeros_like(self.action_spec().shape))\n",
"\n",
" def set_goal(self, goal):\n",
" goal = np.array(goal)\n",
" size = self._env.physics.get_state().shape[0] - goal.shape[0]\n",
" self._env.physics.set_state(np.concatenate((goal, np.zeros([size]))))\n",
" self._env.step(np.zeros_like(self.action_spec().shape))\n",
"\n",
" def __getattr__(self, name: str):\n",
" return getattr(self._env, name)\n",
"\n",
"\n",
"env = GoalSetWrapper(env)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"import matplotlib.pyplot as plt\n",
"from envs.custom_dmc_tasks.stickman import StickmanYogaPoses\n",
"\n",
"obs = env.reset()\n",
"\n",
"for _ in range(1):\n",
" env.set_goal(StickmanYogaPoses.sit_knees)\n",
"\n",
"# for _ in range(20):\n",
"# obs = env.step(np.random.randn(*env.action_spec().shape))\n",
"print('Rew', obs.reward)\n",
"\n",
"print('Upright', env.physics.torso_upright())\n",
"print('Torso height', env.physics.torso_height())\n",
"\n",
"plt.imshow(env.physics.render(camera_id=0))"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"for _ in range(1):\n",
" obs = env.step(np.random.randn(*env.action_spec().shape))"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"env.physics.named.data.qpos"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"env.physics.named.data.xpos"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "mine_new",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.10.14"
}
},
"nbformat": 4,
"nbformat_minor": 2
}
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