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<p class="caption" role="heading"><span class="caption-text">Introduction</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="introduction/basic_usage/">Basic Usage</a></li>
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<li class="toctree-l1"><a class="reference internal" href="introduction/train_agent/">Training an Agent</a></li>
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<li class="toctree-l1"><a class="reference internal" href="introduction/create_custom_env/">Create a Custom Environment</a></li>
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<li class="toctree-l1"><a class="reference internal" href="introduction/record_agent/">Recording Agents</a></li>
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<li class="toctree-l1"><a class="reference internal" href="introduction/speed_up_env/">Speeding Up Training</a></li>
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<li class="toctree-l1"><a class="reference internal" href="introduction/gym_compatibility/">Compatibility with Gym</a></li>
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<li class="toctree-l1"><a class="reference internal" href="introduction/migration_guide/">Migration Guide - v0.21 to v1.0.0</a></li>
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<li class="toctree-l1"><a class="reference internal" href="api/env/">Env</a></li>
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<li class="toctree-l2"><a class="reference internal" href="api/wrappers/misc_wrappers/">Misc Wrappers</a></li>
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<li class="toctree-l1 has-children"><a class="reference internal" href="api/vector/">Vectorize</a><input class="toctree-checkbox" id="toctree-checkbox-3" name="toctree-checkbox-3" role="switch" type="checkbox"/><label for="toctree-checkbox-3"><div class="visually-hidden">Toggle navigation of Vectorize</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<li class="toctree-l2"><a class="reference internal" href="api/vector/async_vector_env/">AsyncVectorEnv</a></li>
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<li class="toctree-l2"><a class="reference internal" href="api/vector/sync_vector_env/">SyncVectorEnv</a></li>
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<li class="toctree-l2"><a class="reference internal" href="api/vector/utils/">Utility functions</a></li>
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<li class="toctree-l1"><a class="reference internal" href="api/utils/">Utility functions</a></li>
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<li class="toctree-l1"><a class="reference internal" href="api/functional/">Functional Env</a></li>
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<p class="caption" role="heading"><span class="caption-text">Environments</span></p>
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<li class="toctree-l1 has-children"><a class="reference internal" href="environments/classic_control/">Classic Control</a><input class="toctree-checkbox" id="toctree-checkbox-4" name="toctree-checkbox-4" role="switch" type="checkbox"/><label for="toctree-checkbox-4"><div class="visually-hidden">Toggle navigation of Classic Control</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<li class="toctree-l2"><a class="reference internal" href="tutorials/gymnasium_basics/vector_envs_tutorial/">Training A2C with Vector Envs and Domain Randomization</a></li>
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<li class="toctree-l2"><a class="reference internal" href="tutorials/training_agents/blackjack_tutorial/">Solving Blackjack with Q-Learning</a></li>
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<li class="toctree-l1"><a class="reference external" href="https://arxiv.org/abs/2407.17032">Paper</a></li>
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<li class="toctree-l1"><a class="reference internal" href="gymnasium_release_notes/">Gymnasium Release Notes</a></li>
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<p><strong>Gymnasium is a maintained fork of OpenAI’s Gym library.</strong> The Gymnasium interface is simple, pythonic, and capable of representing general RL problems, and has a <a class="reference internal" href="introduction/gym_compatibility/"><span class="doc std std-doc">compatibility wrapper</span></a> for old Gym environments:</p>
|
||
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span><span class="w"> </span><span class="nn">gymnasium</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">gym</span>
|
||
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<span class="c1"># Initialise the environment</span>
|
||
<span class="n">env</span> <span class="o">=</span> <span class="n">gym</span><span class="o">.</span><span class="n">make</span><span class="p">(</span><span class="s2">"LunarLander-v3"</span><span class="p">,</span> <span class="n">render_mode</span><span class="o">=</span><span class="s2">"human"</span><span class="p">)</span>
|
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<span class="c1"># Reset the environment to generate the first observation</span>
|
||
<span class="n">observation</span><span class="p">,</span> <span class="n">info</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">reset</span><span class="p">(</span><span class="n">seed</span><span class="o">=</span><span class="mi">42</span><span class="p">)</span>
|
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<span class="k">for</span> <span class="n">_</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">1000</span><span class="p">):</span>
|
||
<span class="c1"># this is where you would insert your policy</span>
|
||
<span class="n">action</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">action_space</span><span class="o">.</span><span class="n">sample</span><span class="p">()</span>
|
||
|
||
<span class="c1"># step (transition) through the environment with the action</span>
|
||
<span class="c1"># receiving the next observation, reward and if the episode has terminated or truncated</span>
|
||
<span class="n">observation</span><span class="p">,</span> <span class="n">reward</span><span class="p">,</span> <span class="n">terminated</span><span class="p">,</span> <span class="n">truncated</span><span class="p">,</span> <span class="n">info</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">step</span><span class="p">(</span><span class="n">action</span><span class="p">)</span>
|
||
|
||
<span class="c1"># If the episode has ended then we can reset to start a new episode</span>
|
||
<span class="k">if</span> <span class="n">terminated</span> <span class="ow">or</span> <span class="n">truncated</span><span class="p">:</span>
|
||
<span class="n">observation</span><span class="p">,</span> <span class="n">info</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">reset</span><span class="p">()</span>
|
||
|
||
<span class="n">env</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
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||
projectJson.link = projectJson.website;
|
||
} else {
|
||
projectJson.link = projectJson.github;
|
||
}
|
||
if (projectJson.type === "core") {
|
||
sections["Core Projects"].push(projectJson)
|
||
} else if (projectJson.type == "mature") {
|
||
if (projectJson.website !== null) {
|
||
sections["Mature Projects"]["Documentation"].push(projectJson)
|
||
} else {
|
||
sections["Mature Projects"]["Repositories"].push(projectJson)
|
||
}
|
||
} else {
|
||
if (projectJson.website !== null) {
|
||
sections["Incubating Projects"]["Documentation"].push(projectJson)
|
||
} else {
|
||
sections["Incubating Projects"]["Repositories"].push(projectJson)
|
||
}
|
||
}
|
||
})
|
||
|
||
const menuContainer = document.querySelector(".farama-header-menu__body");
|
||
|
||
Object.keys(sections).forEach((key, i) => {
|
||
const sectionElem = Object.assign(
|
||
document.createElement('div'), {
|
||
className:'farama-header-menu__section',
|
||
}
|
||
)
|
||
sectionElem.appendChild(Object.assign(document.createElement('span'),
|
||
{
|
||
className:'farama-header-menu__section-title' ,
|
||
innerText: key
|
||
}
|
||
))
|
||
// is not a list
|
||
if (sections[key].constructor !== Array) {
|
||
const subSections = sections[key];
|
||
const subSectionContainerElem = Object.assign(
|
||
document.createElement('div'), {
|
||
className:'farama-header-menu__subsections-container',
|
||
style: 'display: flex'
|
||
}
|
||
)
|
||
Object.keys(subSections).forEach((subKey, i) => {
|
||
const subSectionElem = Object.assign(
|
||
document.createElement('div'), {
|
||
className:'farama-header-menu__subsection',
|
||
}
|
||
)
|
||
subSectionElem.appendChild(Object.assign(document.createElement('span'),
|
||
{
|
||
className:'farama-header-menu__subsection-title' ,
|
||
innerText: subKey
|
||
}
|
||
))
|
||
const ulElem = createProjectsList(subSections[subKey], key !== 'Foundation');
|
||
subSectionElem.appendChild(ulElem);
|
||
subSectionContainerElem.appendChild(subSectionElem);
|
||
})
|
||
sectionElem.appendChild(subSectionContainerElem);
|
||
} else {
|
||
const projects = sections[key];
|
||
const ulElem = createProjectsList(projects, true);
|
||
sectionElem.appendChild(ulElem);
|
||
}
|
||
menuContainer.appendChild(sectionElem)
|
||
});
|
||
}
|
||
|
||
xhr.onerror = function() {
|
||
console.error("Unable to load projects");
|
||
};
|
||
|
||
xhr.send();
|
||
</script>
|
||
|
||
|
||
<script>
|
||
const versioningConfig = {
|
||
githubUser: 'Farama-Foundation',
|
||
githubRepo: 'Gymnasium',
|
||
};
|
||
fetch('/main/_static/versioning/versioning_menu.html').then(response => {
|
||
if (response.status === 200) {
|
||
response.text().then(text => {
|
||
const container = document.createElement("div");
|
||
container.innerHTML = text;
|
||
document.querySelector("body").appendChild(container);
|
||
// innerHtml doenst evaluate scripts, we need to add them dynamically
|
||
Array.from(container.querySelectorAll("script")).forEach(oldScript => {
|
||
const newScript = document.createElement("script");
|
||
Array.from(oldScript.attributes).forEach(attr => newScript.setAttribute(attr.name, attr.value));
|
||
newScript.appendChild(document.createTextNode(oldScript.innerHTML));
|
||
oldScript.parentNode.replaceChild(newScript, oldScript);
|
||
});
|
||
});
|
||
} else {
|
||
console.warn("Unable to load versioning menu", response);
|
||
}
|
||
});
|
||
</script>
|
||
|
||
</body>
|
||
</html> |