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  <div class="section" id="component-base-class">
<h1>Component Base Class<a class="headerlink" href="#component-base-class" title="Permalink to this headline"></a></h1>
<p><em>Code author: Jeremy Ernst</em></p>
<dl class="class">
<dt id="artv2.components.base_components.base_component.ART_Component">
<em class="property">class </em><code class="descname">ART_Component</code><span class="sig-paren">(</span><em>prefix=''</em>, <em>suffix=''</em>, <em>network_node=None</em>, <em>side='Left'</em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component" title="Permalink to this definition"></a></dt>
<dd><p>Base class for defining a component (arm, leg, torso, single joint, etc) in ARTv2. All components should inherit
from this class.</p>
<p>When creating a new component, here is a list of common attributes and functions you will want or need to override.</p>
<table border="1" class="docutils">
<colgroup>
<col width="11%" />
<col width="21%" />
<col width="68%" />
</colgroup>
<thead valign="bottom">
<tr class="row-odd"><th class="head">Type</th>
<th class="head">Name</th>
<th class="head">Description</th>
</tr>
</thead>
<tbody valign="top">
<tr class="row-even"><td>attribute</td>
<td>nice_name</td>
<td>(string) The nice name of the component (as it will appear in UIs)</td>
</tr>
<tr class="row-odd"><td>attribute</td>
<td>category</td>
<td>(string) The name of the category where this component will show up in the
user interface. For example: “Limbs”, “Primitives”, etc.</td>
</tr>
<tr class="row-even"><td>attribute</td>
<td>base_name</td>
<td>The string base name of the component. This is a simple string used to
identify the component type and append onto nodes created by the component.
For example, on a leg component, the base_name is simply: “leg”</td>
</tr>
<tr class="row-odd"><td>attribute</td>
<td>has_sides</td>
<td>Bool for whether or not the component supports different sides,like a leg
or arm do.</td>
</tr>
<tr class="row-even"><td>attribute</td>
<td>can_overwrite_names</td>
<td>Bool for whether or not the user can overwrite the names of the joints of
this component.</td>
</tr>
<tr class="row-odd"><td>attribute</td>
<td>joint_mover_file</td>
<td>The relative path from the ARTv2 directory to the joint mover file of the
component. For example, self.joint_mover_file =
“resources/rigging_guides/root.ma”</td>
</tr>
<tr class="row-even"><td>attribute</td>
<td>mirror_table</td>
<td>A dictionary of translate and rotate attributes with their multiplier for
mirroring values to mirrored controls.</td>
</tr>
<tr class="row-odd"><td>function</td>
<td>_add_metadata</td>
<td>This method adds attributes you want to keep track of that are unique to
your component. Make sure that you still call on the base class’s
_add_metadata method to setup the required attributes.</td>
</tr>
</tbody>
</table>
<dl class="method">
<dt id="artv2.components.base_components.base_component.ART_Component.change_num_joints">
<code class="descname">change_num_joints</code><span class="sig-paren">(</span><em>joints</em>, <em>offset_movers</em>, <em>state</em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component.change_num_joints"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.change_num_joints" title="Permalink to this definition"></a></dt>
<dd><p>Sets the build state (whether or not they will be created) of the given joints to the given state.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>joints</strong> – List of PyNode joints to toggle build state on</li>
<li><strong>offset_movers</strong> – List of PyNode offset movers to toggle visibility on.</li>
<li><strong>state</strong> – The build state to set.</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="artv2.components.base_components.base_component.ART_Component.copy_settings">
<code class="descname">copy_settings</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component.copy_settings"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.copy_settings" title="Permalink to this definition"></a></dt>
<dd><p>Copies the values of the class properties (things like number of twist joints, etc) and writes them to a temp
file.</p>
</dd></dl>

<dl class="method">
<dt id="artv2.components.base_components.base_component.ART_Component.create_mirror">
<code class="descname">create_mirror</code><span class="sig-paren">(</span><em>prefix</em>, <em>suffix</em>, <em>parent</em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component.create_mirror"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.create_mirror" title="Permalink to this definition"></a></dt>
<dd><p>Creates a mirror of the component, then mirrors its transformations.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>prefix</strong> (<em>str</em>) – prefix to give the created mirrored component.</li>
<li><strong>suffix</strong> (<em>str</em>) – suffix to give the created mirrored component.</li>
<li><strong>parent</strong> (<em>str</em>) – parent joint for the created mirrored component.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">Instance of the mirrored component</p>
</td>
</tr>
</tbody>
</table>
<dl class="docutils">
<dt>example usage:</dt>
<dd><div class="first last highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">asset</span> <span class="o">=</span> <span class="n">rig_asset</span><span class="o">.</span><span class="n">ART_RigAsset</span><span class="p">()</span>
<span class="n">leg</span> <span class="o">=</span> <span class="n">leg</span><span class="o">.</span><span class="n">BipedLeg</span><span class="p">(</span><span class="n">prefix</span><span class="o">=</span><span class="s2">&quot;l&quot;</span><span class="p">)</span>
<span class="n">mirror</span> <span class="o">=</span> <span class="n">leg</span><span class="o">.</span><span class="n">create_mirror</span><span class="p">(</span><span class="n">prefix</span><span class="o">=</span><span class="s2">&quot;r&quot;</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">parent</span><span class="o">=</span><span class="s2">&quot;root&quot;</span><span class="p">)</span>
</pre></div>
</div>
</dd>
</dl>
</dd></dl>

<dl class="method">
<dt id="artv2.components.base_components.base_component.ART_Component.delete">
<code class="descname">delete</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component.delete"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.delete" title="Permalink to this definition"></a></dt>
<dd><p>Deletes the component from the scene.</p>
<dl class="docutils">
<dt>example usage:</dt>
<dd><div class="first last highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">asset</span> <span class="o">=</span> <span class="n">rig_asset</span><span class="o">.</span><span class="n">ART_RigAsset</span><span class="p">()</span>
<span class="n">leg</span> <span class="o">=</span> <span class="n">leg</span><span class="o">.</span><span class="n">BipedLeg</span><span class="p">(</span><span class="n">prefix</span><span class="o">=</span><span class="s2">&quot;l&quot;</span><span class="p">)</span>
<span class="n">leg</span><span class="o">.</span><span class="n">delete</span><span class="p">()</span>
</pre></div>
</div>
</dd>
</dl>
</dd></dl>

<dl class="method">
<dt id="artv2.components.base_components.base_component.ART_Component.duplicate">
<code class="descname">duplicate</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component.duplicate"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.duplicate" title="Permalink to this definition"></a></dt>
<dd><p>Creates a duplicate instance of self, with the same settings, parent, and transforms. A unique trailing suffix
is appended to prevent naming issues.</p>
<dl class="docutils">
<dt>example usage:</dt>
<dd><div class="first last highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">asset</span> <span class="o">=</span> <span class="n">rig_asset</span><span class="o">.</span><span class="n">ART_RigAsset</span><span class="p">()</span>
<span class="n">leg</span> <span class="o">=</span> <span class="n">leg</span><span class="o">.</span><span class="n">BipedLeg</span><span class="p">(</span><span class="n">prefix</span><span class="o">=</span><span class="s2">&quot;l&quot;</span><span class="p">)</span>
<span class="n">leg</span><span class="o">.</span><span class="n">duplicate</span><span class="p">()</span>
</pre></div>
</div>
</dd>
</dl>
</dd></dl>

<dl class="method">
<dt id="artv2.components.base_components.base_component.ART_Component.paste_settings">
<code class="descname">paste_settings</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component.paste_settings"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.paste_settings" title="Permalink to this definition"></a></dt>
<dd><p>Retrieves values from the temp file (if it exists) and sets any properties of the class matching those stored in
the temp file, to those values.</p>
</dd></dl>

<dl class="method">
<dt id="artv2.components.base_components.base_component.ART_Component.rename_joint">
<code class="descname">rename_joint</code><span class="sig-paren">(</span><em>new_name</em>, <em>old_name</em>, <em>offset_mover</em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component.rename_joint"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.rename_joint" title="Permalink to this definition"></a></dt>
<dd><p>Renames a joint that the component creates. The component’s prefix and suffix will be maintained.
For example, if the component has a prefix of “_l”, and it will create a joint named foot, the user can rename
foot to ankle, and the new name will be l_ankle.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>new_name</strong> (<em>str</em>) – The new name of the joint</li>
<li><strong>old_name</strong> (<em>str</em>) – The old name of the joint</li>
<li><strong>offset_mover</strong> – The offset mover (PyNode) for the joint</li>
</ul>
</td>
</tr>
</tbody>
</table>
<dl class="docutils">
<dt>example usage:</dt>
<dd><div class="first last highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">asset</span> <span class="o">=</span> <span class="n">rig_asset</span><span class="o">.</span><span class="n">ART_RigAsset</span><span class="p">()</span>
<span class="n">leg</span> <span class="o">=</span> <span class="n">leg</span><span class="o">.</span><span class="n">BipedLeg</span><span class="p">(</span><span class="n">prefix</span><span class="o">=</span><span class="s2">&quot;l&quot;</span><span class="p">)</span>
<span class="n">data</span> <span class="o">=</span> <span class="n">component_utils</span><span class="o">.</span><span class="n">get_joint_labels</span><span class="p">(</span><span class="n">leg</span><span class="o">.</span><span class="n">network_node</span><span class="p">)</span>
<span class="n">leg</span><span class="o">.</span><span class="n">rename_joint</span><span class="p">(</span><span class="s2">&quot;ankle&quot;</span><span class="p">,</span> <span class="s2">&quot;foot&quot;</span><span class="p">,</span> <span class="n">data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;foot&quot;</span><span class="p">)[</span><span class="mi">2</span><span class="p">])</span>
</pre></div>
</div>
</dd>
</dl>
</dd></dl>

<dl class="method">
<dt id="artv2.components.base_components.base_component.ART_Component.reset_settings">
<code class="descname">reset_settings</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component.reset_settings"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.reset_settings" title="Permalink to this definition"></a></dt>
<dd><p>Resets all values of the class properties to the default they had at creation.</p>
</dd></dl>

<dl class="method">
<dt id="artv2.components.base_components.base_component.ART_Component.set_mirror">
<code class="descname">set_mirror</code><span class="sig-paren">(</span><em>mirror_metanode</em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component.set_mirror"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.set_mirror" title="Permalink to this definition"></a></dt>
<dd><p>Sets the mirror component if the passed in mirror component is of the same class type.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>mirror_metanode</strong> – The network node for the mirror component to be set.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="artv2.components.base_components.base_component.ART_Component.set_side">
<code class="descname">set_side</code><span class="sig-paren">(</span><em>new_side</em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component.set_side"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.set_side" title="Permalink to this definition"></a></dt>
<dd><p>Sets the side of a component if that components supports setting sides. Setting a side from left to right, for
example, will change the local rotation axis to be mirrored on the joints.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>new_side</strong> – This can be any of the following: “left”, “Left”, “right”, “Right”, 0, 1</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="artv2.components.base_components.base_component.ART_Component.set_twist_joints">
<code class="descname">set_twist_joints</code><span class="sig-paren">(</span><em>attr</em>, <em>new_number</em>, <em>attr_min</em>, <em>attr_max</em>, <em>keyword</em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/artv2/components/base_components/base_component.html#ART_Component.set_twist_joints"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.set_twist_joints" title="Permalink to this definition"></a></dt>
<dd><p>Base logic for setting number of twist joints  via properties in components like arm, leg.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>attr</strong> – the property name</li>
<li><strong>new_number</strong> – The new value to set the property to</li>
<li><strong>attr_min</strong> – The minimum value of allowable values</li>
<li><strong>attr_max</strong> – The maximum value of allowable values</li>
<li><strong>keyword</strong> – The keyword to search mover nodes for</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="attribute">
<dt id="artv2.components.base_components.base_component.ART_Component.network_node">
<code class="descname">network_node</code><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.network_node" title="Permalink to this definition"></a></dt>
<dd><p>This property holds the network node that contains this component’s metadata.</p>
</dd></dl>

<dl class="attribute">
<dt id="artv2.components.base_components.base_component.ART_Component.parent">
<code class="descname">parent</code><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.parent" title="Permalink to this definition"></a></dt>
<dd><p>This property holds the joint name of the parent of this component.</p>
</dd></dl>

<dl class="attribute">
<dt id="artv2.components.base_components.base_component.ART_Component.prefix">
<code class="descname">prefix</code><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.prefix" title="Permalink to this definition"></a></dt>
<dd><p>This property holds the component’s prefix (optional)</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Returns the component’s prefix.</td>
</tr>
<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">str</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="attribute">
<dt id="artv2.components.base_components.base_component.ART_Component.suffix">
<code class="descname">suffix</code><a class="headerlink" href="#artv2.components.base_components.base_component.ART_Component.suffix" title="Permalink to this definition"></a></dt>
<dd><p>This property holds the component’s suffix (optional)</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Returns the component’s suffix.</td>
</tr>
<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">str</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

<div class="section" id="properties">
<h2>Properties<a class="headerlink" href="#properties" title="Permalink to this headline"></a></h2>
<dl class="attribute">
<dt id="prefix">
<code class="descname">prefix</code><a class="headerlink" href="#prefix" title="Permalink to this definition"></a></dt>
<dd><p>This property holds the component’s prefix (optional)</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Returns the component’s prefix.</td>
</tr>
<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">str</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="attribute">
<dt id="suffix">
<code class="descname">suffix</code><a class="headerlink" href="#suffix" title="Permalink to this definition"></a></dt>
<dd><p>This property holds the component’s suffix (optional)</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Returns the component’s suffix.</td>
</tr>
<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">str</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="attribute">
<dt id="parent">
<code class="descname">parent</code><a class="headerlink" href="#parent" title="Permalink to this definition"></a></dt>
<dd><p>This property holds the joint name of the parent of this component.</p>
</dd></dl>

<dl class="attribute">
<dt id="network_node">
<code class="descname">network_node</code><a class="headerlink" href="#network_node" title="Permalink to this definition"></a></dt>
<dd><p>This property holds the network node that contains this module’s metadata.</p>
</dd></dl>

</div>
</div>


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