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< section id = "spaces-vector-utils" >
< h1 > Spaces Vector Utils< a class = "headerlink" href = "#spaces-vector-utils" title = "Permalink to this heading" > #< / a > < / h1 >
< dl class = "py function" >
< dt class = "sig sig-object py" id = "gymnasium.vector.utils.batch_space" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../#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" > 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 = "../#gymnasium.spaces.Space" title = "gymnasium.spaces.space.Space" > < span class = "pre" > Space< / span > < / a > < / span > < / span > < a class = "headerlink" href = "#gymnasium.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.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 = "../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 = "o" > < span class = "pre" > =< / span > < / 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.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 = "../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 = "o" > < span class = "pre" > =< / span > < / 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.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 = "../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 = "o" > < span class = "pre" > =< / span > < / 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.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 = "../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 = "o" > < span class = "pre" > =< / span > < / 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.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 = "../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 = "o" > < span class = "pre" > =< / span > < / 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.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 = "../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 = "o" > < span class = "pre" > =< / span > < / 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.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 = "../#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" > n< / span > < / span > < span class = "o" > < span class = "pre" > =< / span > < / 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 >
< p > Example:< / p >
< div class = "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 = "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(5, 3), velocity:Box(5, 2))< / span >
< / pre > < / div >
< / div >
< 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 > – < / p > < / li >
< li > < p > < strong > n< / strong > – < / 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 > – < code class = "xref py py-class docutils literal notranslate" > < span class = "pre" > gym.Space< / span > < / code > instance< / p >
< / dd >
< / dl >
< / dd > < / dl >
< dl class = "py function" >
< dt class = "sig sig-object py" id = "gymnasium.vector.utils.concatenate" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../#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" > Union< / span > < span class = "p" > < span class = "pre" > [< / span > < / span > < span class = "pre" > tuple< / 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 = "w" > < / span > < span class = "pre" > ndarray< / 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" > Union< / span > < span class = "p" > < span class = "pre" > [< / span > < / span > < span class = "pre" > tuple< / 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 = "w" > < / span > < span class = "pre" > ndarray< / span > < span class = "p" > < span class = "pre" > ]< / span > < / span > < / span > < / span > < a class = "headerlink" href = "#gymnasium.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.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 = "../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" > items< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > out< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../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" > items< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > out< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../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 > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > out< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../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" > items< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > out< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../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 > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > out< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../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 > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > out< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../#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 > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > out< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dd > < p > Concatenate multiple samples from space into a single object.< / p >
< p > Example:< / p >
< div class = "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 = "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" > 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([[0.6348213 , 0.28607962, 0.60760117],< / span >
< span class = "go" > [0.87383074, 0.192658 , 0.2148103 ]], dtype=float32)< / span >
< / pre > < / div >
< / div >
< 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 > – < / p > < / li >
< li > < p > < strong > items< / strong > – < / p > < / li >
< li > < p > < strong > out< / strong > – < / 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 > – < code class = "xref py py-class docutils literal notranslate" > < span class = "pre" > gym.Space< / span > < / code > instance< / p >
< / dd >
< / dl >
< / dd > < / dl >
< dl class = "py function" >
< dt class = "sig sig-object py" id = "gymnasium.vector.utils.iterate" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../#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 > < / 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.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.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 = "../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 > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../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" > items< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../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" > items< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../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" > items< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../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 > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../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 > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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 = "../#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 > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dd > < p > Iterate over the elements of a (batched) space.< / p >
< p > Example:< / p >
< div class = "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 = "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" > 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" > 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" > {' position' : array([-0.99644893, -0.08304597, -0.7238421 ], dtype=float32),< / span >
< span class = "go" > ' velocity' : array([0.35848552, 0.1533453 ], 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" > {' position' : array([-0.67958736, -0.49076623, 0.38661423], dtype=float32),< / span >
< span class = "go" > ' velocity' : array([0.7975036 , 0.93317133], 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" > StopIteration< / span >
< / pre > < / div >
< / div >
< 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 > – < cite > items< / cite > belong to.< / p > < / li >
< li > < p > < strong > items< / strong > – < / p > < / li >
< / ul >
< / dd >
< dt class = "field-even" > Returns< span class = "colon" > :< / span > < / dt >
< dd class = "field-even" > < p > < strong > Iterator over the elements in `items`.< / strong > < / p >
< / dd >
< dt class = "field-odd" > Raises< span class = "colon" > :< / span > < / dt >
< dd class = "field-odd" > < p > < strong > ValueError< / strong > – < code class = "xref py py-class docutils literal notranslate" > < span class = "pre" > gym.Space< / span > < / code > < / p >
< / dd >
< / dl >
< / dd > < / dl >
< section id = "shared-memory-utils" >
< h2 > Shared Memory Utils< a class = "headerlink" href = "#shared-memory-utils" title = "Permalink to this heading" > #< / a > < / h2 >
< dl class = "py function" >
< dt class = "sig sig-object py" id = "gymnasium.vector.utils.create_empty_array" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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:< / span > < span class = "pre" > int< / span > < span class = "pre" > =< / span > < span class = "pre" > 1< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > fn:< / span > < span class = "pre" > callable< / span > < span class = "pre" > =< / span > < span class = "pre" > < built-in< / span > < span class = "pre" > function< / span > < span class = "pre" > 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" > Union< / span > < span class = "p" > < span class = "pre" > [< / span > < / span > < span class = "pre" > tuple< / 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 = "w" > < / span > < span class = "pre" > ndarray< / span > < span class = "p" > < span class = "pre" > ]< / span > < / span > < / span > < / span > < a class = "headerlink" href = "#gymnasium.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.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.multi_binary.MultiBinary< / 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 >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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.multi_discrete.MultiDiscrete< / 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 >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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.discrete.Discrete< / 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 >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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.box.Box< / 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 >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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.tuple.Tuple< / 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 >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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.dict.Dict< / 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 >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.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) numpy array.< / p >
< p > Example:< / p >
< div class = "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 = "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)),< / span >
< span class = "go" > (' velocity' , array([[0., 0.],< / span >
< span class = "go" > [0., 0.]], dtype=float32))])< / span >
< / pre > < / div >
< / div >
< 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 > – < / p > < / li >
< li > < p > < strong > n< / strong > – < cite > None< / cite > , creates an empty sample from < cite > space< / cite > .< / p > < / li >
< li > < p > < strong > fn< / strong > – < 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 > – < code class = "xref py py-class docutils literal notranslate" > < span class = "pre" > gym.Space< / span > < / code > instance< / p >
< / dd >
< / dl >
< / dd > < / dl >
< dl class = "py function" >
< dt class = "sig sig-object py" id = "gymnasium.vector.utils.create_shared_memory" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > create_shared_memory< / 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:< / span > < span class = "pre" > int< / span > < span class = "pre" > =< / span > < span class = "pre" > 1< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > ctx=< module< / span > < span class = "pre" > 'multiprocessing'< / span > < span class = "pre" > from< / span > < span class = "pre" > '/opt/hostedtoolcache/Python/3.9.14/x64/lib/python3.9/multiprocessing/__init__.py'> < / 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" > Union< / span > < span class = "p" > < span class = "pre" > [< / span > < / span > < span class = "pre" > dict< / 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 = "w" > < / span > < span class = "pre" > Array< / span > < span class = "p" > < span class = "pre" > ]< / span > < / span > < / span > < / span > < a class = "headerlink" href = "#gymnasium.vector.utils.create_shared_memory" title = "Permalink to this definition" > #< / a > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > create_shared_memory< / span > < / span > < span class = "sig-paren" > (< / span > < em class = "sig-param" > < span class = "n" > < span class = "pre" > space:< / span > < span class = "pre" > ~gymnasium.spaces.multi_binary.MultiBinary< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > n:< / span > < span class = "pre" > int< / span > < span class = "pre" > =< / span > < span class = "pre" > 1< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > ctx=< module< / span > < span class = "pre" > 'multiprocessing'< / span > < span class = "pre" > from< / span > < span class = "pre" > '/opt/hostedtoolcache/Python/3.9.14/x64/lib/python3.9/multiprocessing/__init__.py'> < / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > create_shared_memory< / span > < / span > < span class = "sig-paren" > (< / span > < em class = "sig-param" > < span class = "n" > < span class = "pre" > space:< / span > < span class = "pre" > ~gymnasium.spaces.multi_discrete.MultiDiscrete< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > n:< / span > < span class = "pre" > int< / span > < span class = "pre" > =< / span > < span class = "pre" > 1< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > ctx=< module< / span > < span class = "pre" > 'multiprocessing'< / span > < span class = "pre" > from< / span > < span class = "pre" > '/opt/hostedtoolcache/Python/3.9.14/x64/lib/python3.9/multiprocessing/__init__.py'> < / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > create_shared_memory< / span > < / span > < span class = "sig-paren" > (< / span > < em class = "sig-param" > < span class = "n" > < span class = "pre" > space:< / span > < span class = "pre" > ~gymnasium.spaces.discrete.Discrete< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > n:< / span > < span class = "pre" > int< / span > < span class = "pre" > =< / span > < span class = "pre" > 1< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > ctx=< module< / span > < span class = "pre" > 'multiprocessing'< / span > < span class = "pre" > from< / span > < span class = "pre" > '/opt/hostedtoolcache/Python/3.9.14/x64/lib/python3.9/multiprocessing/__init__.py'> < / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > create_shared_memory< / span > < / span > < span class = "sig-paren" > (< / span > < em class = "sig-param" > < span class = "n" > < span class = "pre" > space:< / span > < span class = "pre" > ~gymnasium.spaces.box.Box< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > n:< / span > < span class = "pre" > int< / span > < span class = "pre" > =< / span > < span class = "pre" > 1< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > ctx=< module< / span > < span class = "pre" > 'multiprocessing'< / span > < span class = "pre" > from< / span > < span class = "pre" > '/opt/hostedtoolcache/Python/3.9.14/x64/lib/python3.9/multiprocessing/__init__.py'> < / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > create_shared_memory< / span > < / span > < span class = "sig-paren" > (< / span > < em class = "sig-param" > < span class = "n" > < span class = "pre" > space:< / span > < span class = "pre" > ~gymnasium.spaces.tuple.Tuple< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > n:< / span > < span class = "pre" > int< / span > < span class = "pre" > =< / span > < span class = "pre" > 1< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > ctx=< module< / span > < span class = "pre" > 'multiprocessing'< / span > < span class = "pre" > from< / span > < span class = "pre" > '/opt/hostedtoolcache/Python/3.9.14/x64/lib/python3.9/multiprocessing/__init__.py'> < / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > create_shared_memory< / span > < / span > < span class = "sig-paren" > (< / span > < em class = "sig-param" > < span class = "n" > < span class = "pre" > space:< / span > < span class = "pre" > ~gymnasium.spaces.dict.Dict< / 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" > ctx=< module< / span > < span class = "pre" > 'multiprocessing'< / span > < span class = "pre" > from< / span > < span class = "pre" > '/opt/hostedtoolcache/Python/3.9.14/x64/lib/python3.9/multiprocessing/__init__.py'> < / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dd > < p > Create a shared memory object, to be shared across processes.< / p >
< p > This eventually contains the observations from the vectorized environment.< / 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 > – < / p > < / li >
< li > < p > < strong > n< / strong > – < / p > < / li >
< li > < p > < strong > ctx< / strong > – < / p > < / li >
< / ul >
< / dd >
< dt class = "field-even" > Returns< span class = "colon" > :< / span > < / dt >
< dd class = "field-even" > < p > < strong > shared_memory for the shared object across processes.< / strong > < / p >
< / dd >
< dt class = "field-odd" > Raises< span class = "colon" > :< / span > < / dt >
< dd class = "field-odd" > < p > < strong > CustomSpaceError< / strong > – < code class = "xref py py-class docutils literal notranslate" > < span class = "pre" > gymnasium.Space< / span > < / code > instance< / p >
< / dd >
< / dl >
< / dd > < / dl >
< dl class = "py function" >
< dt class = "sig sig-object py" id = "gymnasium.vector.utils.read_from_shared_memory" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > read_from_shared_memory< / 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 > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > shared_memory< / span > < / span > < span class = "p" > < span class = "pre" > :< / span > < / span > < span class = "w" > < / span > < span class = "n" > < span class = "pre" > Union< / span > < span class = "p" > < span class = "pre" > [< / span > < / span > < span class = "pre" > dict< / 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 = "w" > < / span > < span class = "pre" > Array< / 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" > < span class = "pre" > Union< / span > < span class = "p" > < span class = "pre" > [< / span > < / span > < span class = "pre" > dict< / 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 = "w" > < / span > < span class = "pre" > ndarray< / span > < span class = "p" > < span class = "pre" > ]< / span > < / span > < / span > < / span > < a class = "headerlink" href = "#gymnasium.vector.utils.read_from_shared_memory" title = "Permalink to this definition" > #< / a > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > read_from_shared_memory< / 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.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" > shared_memory< / 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 > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > read_from_shared_memory< / 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" > shared_memory< / 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 > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > read_from_shared_memory< / 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" > shared_memory< / 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 > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > read_from_shared_memory< / 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 > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > shared_memory< / 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 > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > read_from_shared_memory< / 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" > shared_memory< / 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 > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > read_from_shared_memory< / 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" > shared_memory< / 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 > < / dt >
< dd > < p > Read the batch of observations from shared memory as a numpy array.< / p >
< dl class = "simple" >
< dt > ..notes::< / dt > < dd > < p > The numpy array objects returned by < cite > read_from_shared_memory< / cite > shares the
memory of < cite > shared_memory< / cite > . Any changes to < cite > shared_memory< / cite > are forwarded
to < cite > observations< / cite > , and vice-versa. To avoid any side-effect, use < cite > np.copy< / cite > .< / p >
< / dd >
< / dl >
< 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 > – < / p > < / li >
< li > < p > < strong > shared_memory< / strong > –
This object is created with < cite > create_shared_memory< / cite > .< / p > < / li >
< li > < p > < strong > n< / strong > – < / p > < / li >
< / ul >
< / dd >
< dt class = "field-even" > Returns< span class = "colon" > :< / span > < / dt >
< dd class = "field-even" > < p > < strong > Batch of observations as a< / strong > (< em > possibly nested< / em > )< / p >
< / dd >
< dt class = "field-odd" > Raises< span class = "colon" > :< / span > < / dt >
< dd class = "field-odd" > < p > < strong > CustomSpaceError< / strong > – < code class = "xref py py-class docutils literal notranslate" > < span class = "pre" > gymnasium.Space< / span > < / code > instance< / p >
< / dd >
< / dl >
< / dd > < / dl >
< dl class = "py function" >
< dt class = "sig sig-object py" id = "gymnasium.vector.utils.write_to_shared_memory" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > write_to_shared_memory< / 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 > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > index< / span > < / span > < span class = "p" > < span class = "pre" > :< / span > < / span > < span class = "w" > < / span > < span class = "n" > < span class = "pre" > int< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > value< / span > < / span > < span class = "p" > < span class = "pre" > :< / span > < / span > < span class = "w" > < / span > < span class = "n" > < span class = "pre" > ndarray< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > shared_memory< / span > < / span > < span class = "p" > < span class = "pre" > :< / span > < / span > < span class = "w" > < / span > < span class = "n" > < span class = "pre" > Union< / span > < span class = "p" > < span class = "pre" > [< / span > < / span > < span class = "pre" > dict< / 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 = "w" > < / span > < span class = "pre" > Array< / span > < span class = "p" > < span class = "pre" > ]< / span > < / span > < / span > < / em > < span class = "sig-paren" > )< / span > < a class = "headerlink" href = "#gymnasium.vector.utils.write_to_shared_memory" title = "Permalink to this definition" > #< / a > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > write_to_shared_memory< / 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.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" > index< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > value< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > shared_memory< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > write_to_shared_memory< / 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" > index< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > value< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > shared_memory< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > write_to_shared_memory< / 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" > index< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > value< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > shared_memory< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > write_to_shared_memory< / 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 > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > index< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > value< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > shared_memory< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > write_to_shared_memory< / 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" > index< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > values< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > shared_memory< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dt class = "sig sig-object py" >
< span class = "sig-prename descclassname" > < span class = "pre" > gymnasium.vector.utils.< / span > < / span > < span class = "sig-name descname" > < span class = "pre" > write_to_shared_memory< / 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" > index< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > values< / span > < / span > < / em > , < em class = "sig-param" > < span class = "n" > < span class = "pre" > shared_memory< / span > < / span > < / em > < span class = "sig-paren" > )< / span > < / dt >
< dd > < p > Write the observation of a single environment into shared memory.< / 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 > – < / p > < / li >
< li > < p > < strong > index< / strong > – < cite > [0, num_envs)< / cite > ).< / p > < / li >
< li > < p > < strong > value< / strong > – < / p > < / li >
< li > < p > < strong > shared_memory< / strong > –
This object is created with < cite > create_shared_memory< / cite > .< / p > < / li >
< / ul >
< / dd >
< dt class = "field-even" > Raises< span class = "colon" > :< / span > < / dt >
< dd class = "field-even" > < p > < strong > CustomSpaceError< / strong > – < code class = "xref py py-class docutils literal notranslate" > < span class = "pre" > gymnasium.Space< / span > < / code > instance< / p >
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