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<section id="utility-functions-for-vectorisation">
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<h1>Utility functions for vectorisation<a class="headerlink" href="#utility-functions-for-vectorisation" title="Permalink to this heading">#</a></h1>
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<dl class="py function">
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<dt class="sig sig-object py" id="gymnasium.experimental.vector.utils.batch_space">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">batch_space</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/#gymnasium.spaces.Space" title="gymnasium.spaces.space.Space"><span class="pre">Space</span></a><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference internal" href="../../spaces/#gymnasium.spaces.Space" title="gymnasium.spaces.space.Space"><span class="pre">Space</span></a><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span></span></span><a class="headerlink" href="#gymnasium.experimental.vector.utils.batch_space" title="Permalink to this definition">#</a></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">batch_space</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">batch_space</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Discrete" title="gymnasium.spaces.discrete.Discrete"><span class="pre">Discrete</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">batch_space</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.multi_discrete.MultiDiscrete"><span class="pre">MultiDiscrete</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">batch_space</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.multi_binary.MultiBinary"><span class="pre">MultiBinary</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">batch_space</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Tuple" title="gymnasium.spaces.tuple.Tuple"><span class="pre">Tuple</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">batch_space</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Dict" title="gymnasium.spaces.dict.Dict"><span class="pre">Dict</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">batch_space</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.Graph"><span class="pre">Graph</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Text" title="gymnasium.spaces.Text"><span class="pre">Text</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Sequence" title="gymnasium.spaces.Sequence"><span class="pre">Sequence</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">batch_space</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.Graph"><span class="pre">Graph</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Text" title="gymnasium.spaces.Text"><span class="pre">Text</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Sequence" title="gymnasium.spaces.Sequence"><span class="pre">Sequence</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">batch_space</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.Graph"><span class="pre">Graph</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Text" title="gymnasium.spaces.Text"><span class="pre">Text</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Sequence" title="gymnasium.spaces.Sequence"><span class="pre">Sequence</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">batch_space</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.Graph"><span class="pre">Graph</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Text" title="gymnasium.spaces.Text"><span class="pre">Text</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Sequence" title="gymnasium.spaces.Sequence"><span class="pre">Sequence</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dd><p>Create a (batched) space, containing multiple copies of a single space.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>space</strong> – Space (e.g. the observation space) for a single environment in the vectorized environment.</p></li>
|
||
<li><p><strong>n</strong> – Number of environments in the vectorized environment.</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>Space</strong> (<em>e.g. the observation space</em>)</p>
|
||
</dd>
|
||
<dt class="field-odd">Raises<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>ValueError</strong> – Cannot batch space does not have a registered function.</p>
|
||
</dd>
|
||
</dl>
|
||
<p class="rubric">Example</p>
|
||
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">gymnasium.spaces</span> <span class="kn">import</span> <span class="n">Box</span><span class="p">,</span> <span class="n">Dict</span>
|
||
<span class="gp">>>> </span><span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
|
||
<span class="gp">>>> </span><span class="n">space</span> <span class="o">=</span> <span class="n">Dict</span><span class="p">({</span>
|
||
<span class="gp">... </span> <span class="s1">'position'</span><span class="p">:</span> <span class="n">Box</span><span class="p">(</span><span class="n">low</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">high</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(</span><span class="mi">3</span><span class="p">,),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">),</span>
|
||
<span class="gp">... </span> <span class="s1">'velocity'</span><span class="p">:</span> <span class="n">Box</span><span class="p">(</span><span class="n">low</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">high</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(</span><span class="mi">2</span><span class="p">,),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
|
||
<span class="gp">... </span><span class="p">})</span>
|
||
<span class="gp">>>> </span><span class="n">batch_space</span><span class="p">(</span><span class="n">space</span><span class="p">,</span> <span class="n">n</span><span class="o">=</span><span class="mi">5</span><span class="p">)</span>
|
||
<span class="go">Dict('position': Box(0.0, 1.0, (5, 3), float32), 'velocity': Box(0.0, 1.0, (5, 2), float32))</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd></dl>
|
||
|
||
<dl class="py function">
|
||
<dt class="sig sig-object py" id="gymnasium.experimental.vector.utils.concatenate">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">concatenate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/#gymnasium.spaces.Space" title="gymnasium.spaces.Space"><span class="pre">Space</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">np.ndarray</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">np.ndarray</span></span></span><a class="headerlink" href="#gymnasium.experimental.vector.utils.concatenate" title="Permalink to this definition">#</a></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">concatenate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.Box"><span class="pre">Box</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Discrete" title="gymnasium.spaces.Discrete"><span class="pre">Discrete</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.MultiDiscrete"><span class="pre">MultiDiscrete</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.MultiBinary"><span class="pre">MultiBinary</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">np.ndarray</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">np.ndarray</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">concatenate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.Box"><span class="pre">Box</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Discrete" title="gymnasium.spaces.Discrete"><span class="pre">Discrete</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.MultiDiscrete"><span class="pre">MultiDiscrete</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.MultiBinary"><span class="pre">MultiBinary</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">np.ndarray</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">np.ndarray</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">concatenate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.Box"><span class="pre">Box</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Discrete" title="gymnasium.spaces.Discrete"><span class="pre">Discrete</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.MultiDiscrete"><span class="pre">MultiDiscrete</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.MultiBinary"><span class="pre">MultiBinary</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">np.ndarray</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">np.ndarray</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">concatenate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.Box"><span class="pre">Box</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Discrete" title="gymnasium.spaces.Discrete"><span class="pre">Discrete</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.MultiDiscrete"><span class="pre">MultiDiscrete</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.MultiBinary"><span class="pre">MultiBinary</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">np.ndarray</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">np.ndarray</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">concatenate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Tuple" title="gymnasium.spaces.tuple.Tuple"><span class="pre">Tuple</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">concatenate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Dict" title="gymnasium.spaces.dict.Dict"><span class="pre">Dict</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">concatenate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/#gymnasium.spaces.Space" title="gymnasium.spaces.space.Space"><span class="pre">Space</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">concatenate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/#gymnasium.spaces.Space" title="gymnasium.spaces.space.Space"><span class="pre">Space</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">concatenate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/#gymnasium.spaces.Space" title="gymnasium.spaces.space.Space"><span class="pre">Space</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">concatenate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/#gymnasium.spaces.Space" title="gymnasium.spaces.space.Space"><span class="pre">Space</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dd><p>Concatenate multiple samples from space into a single object.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>space</strong> – Observation space of a single environment in the vectorized environment.</p></li>
|
||
<li><p><strong>items</strong> – Samples to be concatenated.</p></li>
|
||
<li><p><strong>out</strong> – The output object. This object is a (possibly nested) numpy array.</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>The output object. This object is a</strong> (<em>possibly nested</em>)</p>
|
||
</dd>
|
||
<dt class="field-odd">Raises<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>ValueError</strong> – Space</p>
|
||
</dd>
|
||
</dl>
|
||
<p class="rubric">Example</p>
|
||
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">gymnasium.spaces</span> <span class="kn">import</span> <span class="n">Box</span>
|
||
<span class="gp">>>> </span><span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
|
||
<span class="gp">>>> </span><span class="n">space</span> <span class="o">=</span> <span class="n">Box</span><span class="p">(</span><span class="n">low</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">high</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(</span><span class="mi">3</span><span class="p">,),</span> <span class="n">seed</span><span class="o">=</span><span class="mi">42</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
|
||
<span class="gp">>>> </span><span class="n">out</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
|
||
<span class="gp">>>> </span><span class="n">items</span> <span class="o">=</span> <span class="p">[</span><span class="n">space</span><span class="o">.</span><span class="n">sample</span><span class="p">()</span> <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">2</span><span class="p">)]</span>
|
||
<span class="gp">>>> </span><span class="n">concatenate</span><span class="p">(</span><span class="n">space</span><span class="p">,</span> <span class="n">items</span><span class="p">,</span> <span class="n">out</span><span class="p">)</span>
|
||
<span class="go">array([[0.77395606, 0.43887845, 0.85859793],</span>
|
||
<span class="go"> [0.697368 , 0.09417735, 0.97562236]], dtype=float32)</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd></dl>
|
||
|
||
<dl class="py function">
|
||
<dt class="sig sig-object py" id="gymnasium.experimental.vector.utils.iterate">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">iterate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/#gymnasium.spaces.Space" title="gymnasium.spaces.space.Space"><span class="pre">Space</span></a><span class="p"><span class="pre">[</span></span><span class="pre">T_cov</span><span class="p"><span class="pre">]</span></span></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span><span class="p"><span class="pre">[</span></span><span class="pre">T_cov</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">Iterator</span></span></span><a class="headerlink" href="#gymnasium.experimental.vector.utils.iterate" title="Permalink to this definition">#</a></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">iterate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Discrete" title="gymnasium.spaces.discrete.Discrete"><span class="pre">Discrete</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Iterable</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">iterate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.Box"><span class="pre">Box</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.MultiDiscrete"><span class="pre">MultiDiscrete</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.MultiBinary"><span class="pre">MultiBinary</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">np.ndarray</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">iterate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.Box"><span class="pre">Box</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.MultiDiscrete"><span class="pre">MultiDiscrete</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.MultiBinary"><span class="pre">MultiBinary</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">np.ndarray</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">iterate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.Box"><span class="pre">Box</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.MultiDiscrete"><span class="pre">MultiDiscrete</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.MultiBinary"><span class="pre">MultiBinary</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">np.ndarray</span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">iterate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Tuple" title="gymnasium.spaces.tuple.Tuple"><span class="pre">Tuple</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">iterate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Dict" title="gymnasium.spaces.dict.Dict"><span class="pre">Dict</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">items</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span></dt>
|
||
<dd><p>Iterate over the elements of a (batched) space.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>space</strong> – Observation space of a single environment in the vectorized environment.</p></li>
|
||
<li><p><strong>items</strong> – Samples to be concatenated.</p></li>
|
||
<li><p><strong>out</strong> – The output object. This object is a (possibly nested) numpy array.</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>The output object. This object is a</strong> (<em>possibly nested</em>)</p>
|
||
</dd>
|
||
<dt class="field-odd">Raises<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>ValueError</strong> – Space is not an instance of <code class="xref py py-class docutils literal notranslate"><span class="pre">gym.Space</span></code></p>
|
||
</dd>
|
||
</dl>
|
||
<p class="rubric">Example</p>
|
||
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">gymnasium.spaces</span> <span class="kn">import</span> <span class="n">Box</span><span class="p">,</span> <span class="n">Dict</span>
|
||
<span class="gp">>>> </span><span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
|
||
<span class="gp">>>> </span><span class="n">space</span> <span class="o">=</span> <span class="n">Dict</span><span class="p">({</span>
|
||
<span class="gp">... </span><span class="s1">'position'</span><span class="p">:</span> <span class="n">Box</span><span class="p">(</span><span class="n">low</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">high</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">),</span> <span class="n">seed</span><span class="o">=</span><span class="mi">42</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">),</span>
|
||
<span class="gp">... </span><span class="s1">'velocity'</span><span class="p">:</span> <span class="n">Box</span><span class="p">(</span><span class="n">low</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">high</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">2</span><span class="p">),</span> <span class="n">seed</span><span class="o">=</span><span class="mi">42</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)})</span>
|
||
<span class="gp">>>> </span><span class="n">items</span> <span class="o">=</span> <span class="n">space</span><span class="o">.</span><span class="n">sample</span><span class="p">()</span>
|
||
<span class="gp">>>> </span><span class="n">it</span> <span class="o">=</span> <span class="n">iterate</span><span class="p">(</span><span class="n">space</span><span class="p">,</span> <span class="n">items</span><span class="p">)</span>
|
||
<span class="gp">>>> </span><span class="nb">next</span><span class="p">(</span><span class="n">it</span><span class="p">)</span>
|
||
<span class="go">OrderedDict([('position', array([0.77395606, 0.43887845, 0.85859793], dtype=float32)), ('velocity', array([0.77395606, 0.43887845], dtype=float32))])</span>
|
||
<span class="gp">>>> </span><span class="nb">next</span><span class="p">(</span><span class="n">it</span><span class="p">)</span>
|
||
<span class="go">OrderedDict([('position', array([0.697368 , 0.09417735, 0.97562236], dtype=float32)), ('velocity', array([0.85859793, 0.697368 ], dtype=float32))])</span>
|
||
<span class="gp">>>> </span><span class="nb">next</span><span class="p">(</span><span class="n">it</span><span class="p">)</span>
|
||
<span class="gt">Traceback (most recent call last):</span>
|
||
<span class="w"> </span><span class="o">...</span>
|
||
<span class="gr">StopIteration</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd></dl>
|
||
|
||
<dl class="py function">
|
||
<dt class="sig sig-object py" id="gymnasium.experimental.vector.utils.create_empty_array">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">create_empty_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/#gymnasium.spaces.Space" title="gymnasium.spaces.Space"><span class="pre">Space</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fn</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">callable</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">np.zeros</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">np.ndarray</span></span></span><a class="headerlink" href="#gymnasium.experimental.vector.utils.create_empty_array" title="Permalink to this definition">#</a></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">create_empty_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fn</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">np.zeros</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">ndarray</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">create_empty_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fn</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">np.zeros</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">ndarray</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">create_empty_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fn</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">np.zeros</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">ndarray</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">create_empty_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fn</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">np.zeros</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">ndarray</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">create_empty_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Tuple" title="gymnasium.spaces.tuple.Tuple"><span class="pre">Tuple</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fn</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">np.zeros</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">create_empty_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Dict" title="gymnasium.spaces.dict.Dict"><span class="pre">Dict</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fn</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">np.zeros</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">create_empty_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.graph.Graph"><span class="pre">Graph</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fn</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">np.zeros</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">gymnasium.spaces.graph.GraphInstance</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">create_empty_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/fundamental/#gymnasium.spaces.Text" title="gymnasium.spaces.text.Text"><span class="pre">Text</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fn</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">np.zeros</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">create_empty_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../../spaces/composite/#gymnasium.spaces.Sequence" title="gymnasium.spaces.sequence.Sequence"><span class="pre">Sequence</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">n</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fn</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">np.zeros</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.experimental.vector.utils.</span></span><span class="sig-name descname"><span class="pre">create_empty_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">space:</span> <span class="pre">~gymnasium.spaces.space.Space</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">n=1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fn=<built-in</span> <span class="pre">function</span> <span class="pre">zeros></span></span></em><span class="sig-paren">)</span></dt>
|
||
<dd><p>Create an empty (possibly nested) (normally numpy-based) array, used in conjunction with <code class="docutils literal notranslate"><span class="pre">concatenate(...,</span> <span class="pre">out=array)</span></code>.</p>
|
||
<p>In most cases, the array will be contained within the batched space, however, this is not guaranteed.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>space</strong> – Observation space of a single environment in the vectorized environment.</p></li>
|
||
<li><p><strong>n</strong> – Number of environments in the vectorized environment. If <cite>None</cite>, creates an empty sample from <cite>space</cite>.</p></li>
|
||
<li><p><strong>fn</strong> – Function to apply when creating the empty numpy array. Examples of such functions are <cite>np.empty</cite> or <cite>np.zeros</cite>.</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>The output object. This object is a</strong> (<em>possibly nested</em>)</p>
|
||
</dd>
|
||
<dt class="field-odd">Raises<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>ValueError</strong> – Space is not a valid <code class="xref py py-class docutils literal notranslate"><span class="pre">gym.Space</span></code> instance</p>
|
||
</dd>
|
||
</dl>
|
||
<p class="rubric">Example</p>
|
||
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">gymnasium.spaces</span> <span class="kn">import</span> <span class="n">Box</span><span class="p">,</span> <span class="n">Dict</span>
|
||
<span class="gp">>>> </span><span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
|
||
<span class="gp">>>> </span><span class="n">space</span> <span class="o">=</span> <span class="n">Dict</span><span class="p">({</span>
|
||
<span class="gp">... </span><span class="s1">'position'</span><span class="p">:</span> <span class="n">Box</span><span class="p">(</span><span class="n">low</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">high</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(</span><span class="mi">3</span><span class="p">,),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">),</span>
|
||
<span class="gp">... </span><span class="s1">'velocity'</span><span class="p">:</span> <span class="n">Box</span><span class="p">(</span><span class="n">low</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">high</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(</span><span class="mi">2</span><span class="p">,),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)})</span>
|
||
<span class="gp">>>> </span><span class="n">create_empty_array</span><span class="p">(</span><span class="n">space</span><span class="p">,</span> <span class="n">n</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">fn</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">)</span>
|
||
<span class="go">OrderedDict([('position', array([[0., 0., 0.],</span>
|
||
<span class="go"> [0., 0., 0.]], dtype=float32)), ('velocity', array([[0., 0.],</span>
|
||
<span class="go"> [0., 0.]], dtype=float32))])</span>
|
||
</pre></div>
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