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<section class="tex2jax_ignore mathjax_ignore" id="spaces-utils">
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<h1>Spaces Utils<a class="headerlink" href="#spaces-utils" title="Link to this heading">¶</a></h1>
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||
<dl class="py function">
|
||
<dt class="sig sig-object py" id="gymnasium.spaces.utils.flatten_space">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten_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="../#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><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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.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="../composite/#gymnasium.spaces.Dict" title="gymnasium.spaces.dict.Dict"><span class="pre">Dict</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../composite/#gymnasium.spaces.Sequence" title="gymnasium.spaces.sequence.Sequence"><span class="pre">Sequence</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../composite/#gymnasium.spaces.Tuple" title="gymnasium.spaces.tuple.Tuple"><span class="pre">Tuple</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.graph.Graph"><span class="pre">Graph</span></a></span></span><a class="reference internal" href="../../../_modules/gymnasium/spaces/utils/#flatten_space"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#gymnasium.spaces.utils.flatten_space" title="Link to this definition">¶</a></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten_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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten_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="../fundamental/#gymnasium.spaces.Discrete" title="gymnasium.spaces.discrete.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="../fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.multi_binary.MultiBinary"><span class="pre">MultiBinary</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.multi_discrete.MultiDiscrete"><span class="pre">MultiDiscrete</span></a></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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten_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="../fundamental/#gymnasium.spaces.Discrete" title="gymnasium.spaces.discrete.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="../fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.multi_binary.MultiBinary"><span class="pre">MultiBinary</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.multi_discrete.MultiDiscrete"><span class="pre">MultiDiscrete</span></a></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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten_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="../fundamental/#gymnasium.spaces.Discrete" title="gymnasium.spaces.discrete.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="../fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.multi_binary.MultiBinary"><span class="pre">MultiBinary</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.multi_discrete.MultiDiscrete"><span class="pre">MultiDiscrete</span></a></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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten_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="../composite/#gymnasium.spaces.Tuple" title="gymnasium.spaces.tuple.Tuple"><span class="pre">Tuple</span></a></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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.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="../composite/#gymnasium.spaces.Tuple" title="gymnasium.spaces.tuple.Tuple"><span class="pre">Tuple</span></a></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten_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="../composite/#gymnasium.spaces.Dict" title="gymnasium.spaces.dict.Dict"><span class="pre">Dict</span></a></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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.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="../composite/#gymnasium.spaces.Dict" title="gymnasium.spaces.dict.Dict"><span class="pre">Dict</span></a></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten_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="../composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.graph.Graph"><span class="pre">Graph</span></a></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="../composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.graph.Graph"><span class="pre">Graph</span></a></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten_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="../fundamental/#gymnasium.spaces.Text" title="gymnasium.spaces.text.Text"><span class="pre">Text</span></a></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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten_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="../composite/#gymnasium.spaces.Sequence" title="gymnasium.spaces.sequence.Sequence"><span class="pre">Sequence</span></a></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="../composite/#gymnasium.spaces.Sequence" title="gymnasium.spaces.sequence.Sequence"><span class="pre">Sequence</span></a></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten_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="../composite/#gymnasium.spaces.OneOf" title="gymnasium.spaces.oneof.OneOf"><span class="pre">OneOf</span></a></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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.Box"><span class="pre">Box</span></a></span></span></dt>
|
||
<dd><p>Flatten a space into a space that is as flat as possible.</p>
|
||
<p>This function will attempt to flatten <code class="docutils literal notranslate"><span class="pre">space</span></code> into a single <a class="reference internal" href="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.Box"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Box</span></code></a> space.
|
||
However, this might not be possible when <code class="docutils literal notranslate"><span class="pre">space</span></code> is an instance of <a class="reference internal" href="../composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.Graph"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Graph</span></code></a>,
|
||
<a class="reference internal" href="../composite/#gymnasium.spaces.Sequence" title="gymnasium.spaces.Sequence"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Sequence</span></code></a> or a compound space that contains a <a class="reference internal" href="../composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.Graph"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Graph</span></code></a>
|
||
or <a class="reference internal" href="../composite/#gymnasium.spaces.Sequence" title="gymnasium.spaces.Sequence"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Sequence</span></code></a> space.
|
||
This is equivalent to <a class="reference internal" href="#gymnasium.spaces.utils.flatten" title="gymnasium.spaces.utils.flatten"><code class="xref py py-func docutils literal notranslate"><span class="pre">flatten()</span></code></a>, but operates on the space itself. The
|
||
result for non-graph spaces is always a <a class="reference internal" href="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.Box"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Box</span></code></a> with flat boundaries. While
|
||
the result for graph spaces is always a <a class="reference internal" href="../composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.Graph"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Graph</span></code></a> with
|
||
<code class="xref py py-attr docutils literal notranslate"><span class="pre">Graph.node_space</span></code> being a <code class="docutils literal notranslate"><span class="pre">Box</span></code>
|
||
with flat boundaries and <code class="xref py py-attr docutils literal notranslate"><span class="pre">Graph.edge_space</span></code> being a <code class="docutils literal notranslate"><span class="pre">Box</span></code> with flat boundaries or
|
||
<code class="docutils literal notranslate"><span class="pre">None</span></code>. The box has exactly <a class="reference internal" href="#gymnasium.spaces.utils.flatdim" title="gymnasium.spaces.utils.flatdim"><code class="xref py py-func docutils literal notranslate"><span class="pre">flatdim()</span></code></a> dimensions. Flattening a sample
|
||
of the original space has the same effect as taking a sample of the flattened
|
||
space. However, sampling from the flattened space is not necessarily reversible.
|
||
For example, sampling from a flattened Discrete space is the same as sampling from
|
||
a Box, and the results may not be integers or one-hot encodings. This may result in
|
||
errors or non-uniform sampling.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>space</strong> – The space to flatten</p>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>A flattened Box</strong></p>
|
||
</dd>
|
||
<dt class="field-odd">Raises<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>NotImplementedError</strong> – if the space is not defined in <a class="reference internal" href="../#module-gymnasium.spaces" title="gymnasium.spaces"><code class="xref py py-mod docutils literal notranslate"><span class="pre">gymnasium.spaces</span></code></a>.</p>
|
||
</dd>
|
||
</dl>
|
||
<dl>
|
||
<dt>Example - Flatten spaces.Box:</dt><dd><div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span><span class="w"> </span><span class="nn">gymnasium.spaces</span><span class="w"> </span><span class="kn">import</span> <span class="n">Box</span>
|
||
<span class="gp">>>> </span><span class="n">box</span> <span class="o">=</span> <span class="n">Box</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span> <span class="mf">1.0</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="mi">4</span><span class="p">,</span> <span class="mi">5</span><span class="p">))</span>
|
||
<span class="gp">>>> </span><span class="n">box</span>
|
||
<span class="go">Box(0.0, 1.0, (3, 4, 5), float32)</span>
|
||
<span class="gp">>>> </span><span class="n">flatten_space</span><span class="p">(</span><span class="n">box</span><span class="p">)</span>
|
||
<span class="go">Box(0.0, 1.0, (60,), float32)</span>
|
||
<span class="gp">>>> </span><span class="n">flatten</span><span class="p">(</span><span class="n">box</span><span class="p">,</span> <span class="n">box</span><span class="o">.</span><span class="n">sample</span><span class="p">())</span> <span class="ow">in</span> <span class="n">flatten_space</span><span class="p">(</span><span class="n">box</span><span class="p">)</span>
|
||
<span class="go">True</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd>
|
||
<dt>Example - Flatten spaces.Discrete:</dt><dd><div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span><span class="w"> </span><span class="nn">gymnasium.spaces</span><span class="w"> </span><span class="kn">import</span> <span class="n">Discrete</span>
|
||
<span class="gp">>>> </span><span class="n">discrete</span> <span class="o">=</span> <span class="n">Discrete</span><span class="p">(</span><span class="mi">5</span><span class="p">)</span>
|
||
<span class="gp">>>> </span><span class="n">flatten_space</span><span class="p">(</span><span class="n">discrete</span><span class="p">)</span>
|
||
<span class="go">Box(0, 1, (5,), int64)</span>
|
||
<span class="gp">>>> </span><span class="n">flatten</span><span class="p">(</span><span class="n">discrete</span><span class="p">,</span> <span class="n">discrete</span><span class="o">.</span><span class="n">sample</span><span class="p">())</span> <span class="ow">in</span> <span class="n">flatten_space</span><span class="p">(</span><span class="n">discrete</span><span class="p">)</span>
|
||
<span class="go">True</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd>
|
||
<dt>Example - Flatten spaces.Dict:</dt><dd><div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span><span class="w"> </span><span class="nn">gymnasium.spaces</span><span class="w"> </span><span class="kn">import</span> <span class="n">Dict</span><span class="p">,</span> <span class="n">Discrete</span><span class="p">,</span> <span class="n">Box</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="s2">"position"</span><span class="p">:</span> <span class="n">Discrete</span><span class="p">(</span><span class="mi">2</span><span class="p">),</span> <span class="s2">"velocity"</span><span class="p">:</span> <span class="n">Box</span><span class="p">(</span><span class="mi">0</span><span class="p">,</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="gp">>>> </span><span class="n">flatten_space</span><span class="p">(</span><span class="n">space</span><span class="p">)</span>
|
||
<span class="go">Box(0.0, 1.0, (6,), float64)</span>
|
||
<span class="gp">>>> </span><span class="n">flatten</span><span class="p">(</span><span class="n">space</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="ow">in</span> <span class="n">flatten_space</span><span class="p">(</span><span class="n">space</span><span class="p">)</span>
|
||
<span class="go">True</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd>
|
||
<dt>Example - Flatten spaces.Graph:</dt><dd><div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span><span class="w"> </span><span class="nn">gymnasium.spaces</span><span class="w"> </span><span class="kn">import</span> <span class="n">Graph</span><span class="p">,</span> <span class="n">Discrete</span><span class="p">,</span> <span class="n">Box</span>
|
||
<span class="gp">>>> </span><span class="n">space</span> <span class="o">=</span> <span class="n">Graph</span><span class="p">(</span><span class="n">node_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">100</span><span class="p">,</span> <span class="n">high</span><span class="o">=</span><span class="mi">100</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="mi">4</span><span class="p">)),</span> <span class="n">edge_space</span><span class="o">=</span><span class="n">Discrete</span><span class="p">(</span><span class="mi">5</span><span class="p">))</span>
|
||
<span class="gp">>>> </span><span class="n">flatten_space</span><span class="p">(</span><span class="n">space</span><span class="p">)</span>
|
||
<span class="go">Graph(Box(-100.0, 100.0, (12,), float32), Box(0, 1, (5,), int64))</span>
|
||
<span class="gp">>>> </span><span class="n">flatten</span><span class="p">(</span><span class="n">space</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="ow">in</span> <span class="n">flatten_space</span><span class="p">(</span><span class="n">space</span><span class="p">)</span>
|
||
<span class="go">True</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py function">
|
||
<dt class="sig sig-object py" id="gymnasium.spaces.utils.flatten">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten</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="../#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</span><span class="p"><span class="pre">]</span></span></span></em>, <em class="sig-param"><span class="n"><span class="pre">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">T</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 class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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">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">GraphInstance</span></span></span><a class="reference internal" href="../../../_modules/gymnasium/spaces/utils/#flatten"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#gymnasium.spaces.utils.flatten" title="Link to this definition">¶</a></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten</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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten</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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten</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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int64</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 class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">int64</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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten</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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">int64</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">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">int64</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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten</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="../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">x</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 class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten</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="../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">x</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 class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten</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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">GraphInstance</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">GraphInstance</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten</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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</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 class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">int32</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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten</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="../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">x</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">Any</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">Any</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatten</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="../composite/#gymnasium.spaces.OneOf" title="gymnasium.spaces.oneof.OneOf"><span class="pre">OneOf</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">x</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">int</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">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span><span class="p"><span class="pre">]</span></span></span></span></dt>
|
||
<dd><p>Flatten a data point from a space.</p>
|
||
<p>This is useful when e.g. points from spaces must be passed to a neural
|
||
network, which only understands flat arrays of floats.</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> – The space that <code class="docutils literal notranslate"><span class="pre">x</span></code> is flattened by</p></li>
|
||
<li><p><strong>x</strong> – The value to flatten</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>The flattened datapoint</strong> –</p>
|
||
<ul class="simple">
|
||
<li><p>For <a class="reference internal" href="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.Box"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Box</span></code></a> and <a class="reference internal" href="../fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.MultiBinary"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.MultiBinary</span></code></a>, this is a flattened array</p></li>
|
||
<li><p>For <a class="reference internal" href="../fundamental/#gymnasium.spaces.Discrete" title="gymnasium.spaces.Discrete"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Discrete</span></code></a> and <a class="reference internal" href="../fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.MultiDiscrete"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.MultiDiscrete</span></code></a>, this is a flattened one-hot array of the sample</p></li>
|
||
<li><p>For <a class="reference internal" href="../composite/#gymnasium.spaces.Tuple" title="gymnasium.spaces.Tuple"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Tuple</span></code></a> and <a class="reference internal" href="../composite/#gymnasium.spaces.Dict" title="gymnasium.spaces.Dict"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Dict</span></code></a>, this is a concatenated array the subspaces (does not support graph subspaces)</p></li>
|
||
<li><dl class="simple">
|
||
<dt>For graph spaces, returns <code class="xref py py-class docutils literal notranslate"><span class="pre">GraphInstance</span></code> where:</dt><dd><ul>
|
||
<li><p><code class="xref py py-attr docutils literal notranslate"><span class="pre">GraphInstance.nodes</span></code> are n x k arrays</p></li>
|
||
<li><dl class="simple">
|
||
<dt><code class="xref py py-attr docutils literal notranslate"><span class="pre">GraphInstance.edges</span></code> are either:</dt><dd><ul>
|
||
<li><p>m x k arrays</p></li>
|
||
<li><p>None</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
</li>
|
||
<li><dl class="simple">
|
||
<dt><code class="xref py py-attr docutils literal notranslate"><span class="pre">GraphInstance.edge_links</span></code> are either:</dt><dd><ul>
|
||
<li><p>m x 2 arrays</p></li>
|
||
<li><p>None</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
</li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
</li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-odd">Raises<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>NotImplementedError</strong> – If the space is not defined in <a class="reference internal" href="../#module-gymnasium.spaces" title="gymnasium.spaces"><code class="xref py py-mod docutils literal notranslate"><span class="pre">gymnasium.spaces</span></code></a>.</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="w"> </span><span class="nn">gymnasium.spaces</span><span class="w"> </span><span class="kn">import</span> <span class="n">Box</span><span class="p">,</span> <span class="n">Discrete</span><span class="p">,</span> <span class="n">Tuple</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="mi">0</span><span class="p">,</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="mi">5</span><span class="p">))</span>
|
||
<span class="gp">>>> </span><span class="n">flatten</span><span class="p">(</span><span class="n">space</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="o">.</span><span class="n">shape</span>
|
||
<span class="go">(15,)</span>
|
||
<span class="gp">>>> </span><span class="n">space</span> <span class="o">=</span> <span class="n">Discrete</span><span class="p">(</span><span class="mi">4</span><span class="p">)</span>
|
||
<span class="gp">>>> </span><span class="n">flatten</span><span class="p">(</span><span class="n">space</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
|
||
<span class="go">array([0, 0, 1, 0])</span>
|
||
<span class="gp">>>> </span><span class="n">space</span> <span class="o">=</span> <span class="n">Tuple</span><span class="p">((</span><span class="n">Box</span><span class="p">(</span><span class="mi">0</span><span class="p">,</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">Box</span><span class="p">(</span><span class="mi">0</span><span class="p">,</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">Discrete</span><span class="p">(</span><span class="mi">3</span><span class="p">)))</span>
|
||
<span class="gp">>>> </span><span class="n">example</span> <span class="o">=</span> <span class="p">((</span><span class="mf">.5</span><span class="p">,</span> <span class="mf">.25</span><span class="p">),</span> <span class="p">(</span><span class="mf">1.</span><span class="p">,</span> <span class="mf">0.</span><span class="p">,</span> <span class="mf">.2</span><span class="p">),</span> <span class="mi">1</span><span class="p">)</span>
|
||
<span class="gp">>>> </span><span class="n">flatten</span><span class="p">(</span><span class="n">space</span><span class="p">,</span> <span class="n">example</span><span class="p">)</span>
|
||
<span class="go">array([0.5 , 0.25, 1. , 0. , 0.2 , 0. , 1. , 0. ])</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd></dl>
|
||
|
||
<dl class="py function">
|
||
<dt class="sig sig-object py" id="gymnasium.spaces.utils.flatdim">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatdim</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="../#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><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">int</span></span></span><a class="reference internal" href="../../../_modules/gymnasium/spaces/utils/#flatdim"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#gymnasium.spaces.utils.flatdim" title="Link to this definition">¶</a></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatdim</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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.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="../fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.multi_binary.MultiBinary"><span class="pre">MultiBinary</span></a></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">int</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatdim</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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.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="../fundamental/#gymnasium.spaces.MultiBinary" title="gymnasium.spaces.multi_binary.MultiBinary"><span class="pre">MultiBinary</span></a></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">int</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatdim</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="../fundamental/#gymnasium.spaces.Discrete" title="gymnasium.spaces.discrete.Discrete"><span class="pre">Discrete</span></a></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">int</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatdim</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="../fundamental/#gymnasium.spaces.MultiDiscrete" title="gymnasium.spaces.multi_discrete.MultiDiscrete"><span class="pre">MultiDiscrete</span></a></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">int</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatdim</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="../composite/#gymnasium.spaces.Tuple" title="gymnasium.spaces.tuple.Tuple"><span class="pre">Tuple</span></a></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">int</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatdim</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="../composite/#gymnasium.spaces.Dict" title="gymnasium.spaces.dict.Dict"><span class="pre">Dict</span></a></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">int</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatdim</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="../composite/#gymnasium.spaces.Graph" title="gymnasium.spaces.graph.Graph"><span class="pre">Graph</span></a></span></em><span class="sig-paren">)</span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatdim</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="../fundamental/#gymnasium.spaces.Text" title="gymnasium.spaces.text.Text"><span class="pre">Text</span></a></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">int</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">flatdim</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="../composite/#gymnasium.spaces.OneOf" title="gymnasium.spaces.oneof.OneOf"><span class="pre">OneOf</span></a></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">int</span></span></span></dt>
|
||
<dd><p>Return the number of dimensions a flattened equivalent of this space would have.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>space</strong> – The space to return the number of dimensions of the flattened spaces</p>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>The number of dimensions for the flattened spaces</strong></p>
|
||
</dd>
|
||
<dt class="field-odd">Raises<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>NotImplementedError</strong> – if the space is not defined in <code class="xref py py-mod docutils literal notranslate"><span class="pre">gym.spaces</span></code>.</p></li>
|
||
<li><p><strong>ValueError</strong> – if the space cannot be flattened into a <a class="reference internal" href="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.Box"><code class="xref py py-class docutils literal notranslate"><span class="pre">gymnasium.spaces.Box</span></code></a></p></li>
|
||
</ul>
|
||
</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="w"> </span><span class="nn">gymnasium.spaces</span><span class="w"> </span><span class="kn">import</span> <span class="n">Dict</span><span class="p">,</span> <span class="n">Discrete</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="s2">"position"</span><span class="p">:</span> <span class="n">Discrete</span><span class="p">(</span><span class="mi">2</span><span class="p">),</span> <span class="s2">"velocity"</span><span class="p">:</span> <span class="n">Discrete</span><span class="p">(</span><span class="mi">3</span><span class="p">)})</span>
|
||
<span class="gp">>>> </span><span class="n">flatdim</span><span class="p">(</span><span class="n">space</span><span class="p">)</span>
|
||
<span class="go">5</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd></dl>
|
||
|
||
<dl class="py function">
|
||
<dt class="sig sig-object py" id="gymnasium.spaces.utils.unflatten">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">unflatten</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="../#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</span><span class="p"><span class="pre">]</span></span></span></em>, <em class="sig-param"><span class="n"><span class="pre">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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">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">GraphInstance</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">T</span></span></span><a class="reference internal" href="../../../_modules/gymnasium/spaces/utils/#unflatten"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#gymnasium.spaces.utils.unflatten" title="Link to this definition">¶</a></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">unflatten</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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">unflatten</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="../fundamental/#gymnasium.spaces.Box" title="gymnasium.spaces.box.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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">unflatten</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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">int64</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">int64</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">unflatten</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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">integer</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">]</span></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">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">integer</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">]</span></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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">unflatten</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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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">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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">unflatten</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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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></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.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">unflatten</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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">GraphInstance</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">GraphInstance</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">unflatten</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="../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">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">int32</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">str</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">unflatten</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="../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">x</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 class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">Any</span></span></span></dt>
|
||
<dt class="sig sig-object py">
|
||
<span class="sig-prename descclassname"><span class="pre">gymnasium.spaces.utils.</span></span><span class="sig-name descname"><span class="pre">unflatten</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="../composite/#gymnasium.spaces.OneOf" title="gymnasium.spaces.oneof.OneOf"><span class="pre">OneOf</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ndarray</span><span class="p"><span class="pre">[</span></span><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="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dtype</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</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">int</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>
|
||
<dd><p>Unflatten a data point from a space.</p>
|
||
<p>This reverses the transformation applied by <a class="reference internal" href="#gymnasium.spaces.utils.flatten" title="gymnasium.spaces.utils.flatten"><code class="xref py py-func docutils literal notranslate"><span class="pre">flatten()</span></code></a>. You must ensure
|
||
that the <code class="docutils literal notranslate"><span class="pre">space</span></code> argument is the same as for the <a class="reference internal" href="#gymnasium.spaces.utils.flatten" title="gymnasium.spaces.utils.flatten"><code class="xref py py-func docutils literal notranslate"><span class="pre">flatten()</span></code></a> call.</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> – The space used to unflatten <code class="docutils literal notranslate"><span class="pre">x</span></code></p></li>
|
||
<li><p><strong>x</strong> – The array to unflatten</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>A point with a structure that matches the space.</strong></p>
|
||
</dd>
|
||
<dt class="field-odd">Raises<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>NotImplementedError</strong> – if the space is not defined in <a class="reference internal" href="../#module-gymnasium.spaces" title="gymnasium.spaces"><code class="xref py py-mod docutils literal notranslate"><span class="pre">gymnasium.spaces</span></code></a>.</p>
|
||
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