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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>ClassificationPrimitive - Cesium Documentation</title>
<!--[if lt IE 9]>
<script src="javascript/html5.js"></script>
<![endif]-->
<link href="styles/jsdoc-default.css" rel="stylesheet">
<link href="styles/prism.css" rel="stylesheet">
</head>
<body>
<div id="main">
<h1 class="page-title">
<a href="index.html"><img src="Images/CesiumLogo.png" class="cesiumLogo"></a>
ClassificationPrimitive
<div class="titleCenterer"></div>
</h1>
<section>
<header>
</header>
<article>
<div class="container-overview">
<div class="nameContainer">
<h4 class="name" id="ClassificationPrimitive">
<a href="#ClassificationPrimitive" class="doc-link"></a>
new Cesium.ClassificationPrimitive<span class="signature">(<span class="optional">options</span>)</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L73">Scene/ClassificationPrimitive.js 73</a>
</div>
</h4>
</div>
<div class="description">
A classification primitive represents a volume enclosing geometry in the <a href="Scene.html"><code>Scene</code></a> to be highlighted.
<p>
A primitive combines geometry instances with an <a href="Appearance.html"><code>Appearance</code></a> that describes the full shading, including
<a href="Material.html"><code>Material</code></a> and <code>RenderState</code>. Roughly, the geometry instance defines the structure and placement,
and the appearance defines the visual characteristics. Decoupling geometry and appearance allows us to mix
and match most of them and add a new geometry or appearance independently of each other.
Only <a href="PerInstanceColorAppearance.html"><code>PerInstanceColorAppearance</code></a> with the same color across all instances is supported at this time when using
ClassificationPrimitive directly.
For full <a href="Appearance.html"><code>Appearance</code></a> support when classifying terrain or 3D Tiles use <a href="GroundPrimitive.html"><code>GroundPrimitive</code></a> instead.
</p>
<p>
For correct rendering, this feature requires the EXT_frag_depth WebGL extension. For hardware that do not support this extension, there
will be rendering artifacts for some viewing angles.
</p>
<p>
Valid geometries are <a href="BoxGeometry.html"><code>BoxGeometry</code></a>, <a href="CylinderGeometry.html"><code>CylinderGeometry</code></a>, <a href="EllipsoidGeometry.html"><code>EllipsoidGeometry</code></a>, <a href="PolylineVolumeGeometry.html"><code>PolylineVolumeGeometry</code></a>, and <a href="SphereGeometry.html"><code>SphereGeometry</code></a>.
</p>
<p>
Geometries that follow the surface of the ellipsoid, such as <a href="CircleGeometry.html"><code>CircleGeometry</code></a>, <a href="CorridorGeometry.html"><code>CorridorGeometry</code></a>, <a href="EllipseGeometry.html"><code>EllipseGeometry</code></a>, <a href="PolygonGeometry.html"><code>PolygonGeometry</code></a>, and <a href="RectangleGeometry.html"><code>RectangleGeometry</code></a>,
are also valid if they are extruded volumes; otherwise, they will not be rendered.
</p>
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>options</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="description last">
<span class="optional">optional</span>
Object with the following properties:
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>geometryInstances</code></td>
<td class="type">
<span class="param-type">Array</span>
|
<span class="param-type"><a href="GeometryInstance.html">GeometryInstance</a></span>
</td>
<td class="default">
</td>
<td class="description last">
<span class="optional">optional</span>
The geometry instances to render. This can either be a single instance or an array of length one.</td>
</tr>
<tr>
<td class="name"><code>appearance</code></td>
<td class="type">
<span class="param-type"><a href="Appearance.html">Appearance</a></span>
</td>
<td class="default">
</td>
<td class="description last">
<span class="optional">optional</span>
The appearance used to render the primitive. Defaults to PerInstanceColorAppearance when GeometryInstances have a color attribute.</td>
</tr>
<tr>
<td class="name"><code>show</code></td>
<td class="type">
<span class="param-type">Boolean</span>
</td>
<td class="default">
<code class="language-javascript">true</code>
</td>
<td class="description last">
<span class="optional">optional</span>
Determines if this primitive will be shown.</td>
</tr>
<tr>
<td class="name"><code>vertexCacheOptimize</code></td>
<td class="type">
<span class="param-type">Boolean</span>
</td>
<td class="default">
<code class="language-javascript">false</code>
</td>
<td class="description last">
<span class="optional">optional</span>
When <code>true</code>, geometry vertices are optimized for the pre and post-vertex-shader caches.</td>
</tr>
<tr>
<td class="name"><code>interleave</code></td>
<td class="type">
<span class="param-type">Boolean</span>
</td>
<td class="default">
<code class="language-javascript">false</code>
</td>
<td class="description last">
<span class="optional">optional</span>
When <code>true</code>, geometry vertex attributes are interleaved, which can slightly improve rendering performance but increases load time.</td>
</tr>
<tr>
<td class="name"><code>compressVertices</code></td>
<td class="type">
<span class="param-type">Boolean</span>
</td>
<td class="default">
<code class="language-javascript">true</code>
</td>
<td class="description last">
<span class="optional">optional</span>
When <code>true</code>, the geometry vertices are compressed, which will save memory.</td>
</tr>
<tr>
<td class="name"><code>releaseGeometryInstances</code></td>
<td class="type">
<span class="param-type">Boolean</span>
</td>
<td class="default">
<code class="language-javascript">true</code>
</td>
<td class="description last">
<span class="optional">optional</span>
When <code>true</code>, the primitive does not keep a reference to the input <code>geometryInstances</code> to save memory.</td>
</tr>
<tr>
<td class="name"><code>allowPicking</code></td>
<td class="type">
<span class="param-type">Boolean</span>
</td>
<td class="default">
<code class="language-javascript">true</code>
</td>
<td class="description last">
<span class="optional">optional</span>
When <code>true</code>, each geometry instance will only be pickable with <a href="Scene.html#pick"><code>Scene#pick</code></a>. When <code>false</code>, GPU memory is saved.</td>
</tr>
<tr>
<td class="name"><code>asynchronous</code></td>
<td class="type">
<span class="param-type">Boolean</span>
</td>
<td class="default">
<code class="language-javascript">true</code>
</td>
<td class="description last">
<span class="optional">optional</span>
Determines if the primitive will be created asynchronously or block until ready. If false initializeTerrainHeights() must be called first.</td>
</tr>
<tr>
<td class="name"><code>classificationType</code></td>
<td class="type">
<span class="param-type"><a href="global.html#ClassificationType">ClassificationType</a></span>
</td>
<td class="default">
<code class="language-javascript">ClassificationType.BOTH</code>
</td>
<td class="description last">
<span class="optional">optional</span>
Determines whether terrain, 3D Tiles or both will be classified.</td>
</tr>
<tr>
<td class="name"><code>debugShowBoundingVolume</code></td>
<td class="type">
<span class="param-type">Boolean</span>
</td>
<td class="default">
<code class="language-javascript">false</code>
</td>
<td class="description last">
<span class="optional">optional</span>
For debugging only. Determines if this primitive's commands' bounding spheres are shown.</td>
</tr>
<tr>
<td class="name"><code>debugShowShadowVolume</code></td>
<td class="type">
<span class="param-type">Boolean</span>
</td>
<td class="default">
<code class="language-javascript">false</code>
</td>
<td class="description last">
<span class="optional">optional</span>
For debugging only. Determines if the shadow volume for each geometry in the primitive is drawn. Must be <code>true</code> on
creation for the volumes to be created before the geometry is released or options.releaseGeometryInstance must be <code>false</code>.</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<dl class="details">
<h5>See:</h5>
<ul class="see-list">
<li><a href="Primitive.html">Primitive</a></li>
<li><a href="GroundPrimitive.html">GroundPrimitive</a></li>
<li><a href="GeometryInstance.html">GeometryInstance</a></li>
<li><a href="Appearance.html">Appearance</a></li>
</ul>
</dl>
</div>
<h3 class="subsection-title">Members</h3>
<div class="nameContainer">
<h4 class="name" id="allowPicking">
<a href="#allowPicking" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> allowPicking<span class="type-signature"> : Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L264">Scene/ClassificationPrimitive.js 264</a>
</div>
</h4>
</div>
<div class="description">
When <code>true</code>, each geometry instance will only be pickable with <a href="Scene.html#pick"><code>Scene#pick</code></a>. When <code>false</code>, GPU memory is saved.
</div>
<dl class="details">
<span class="details-header">Default Value:</span>
<code class="language-javascript">true</code>
</dl>
<div class="nameContainer">
<h4 class="name" id="asynchronous">
<a href="#asynchronous" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> asynchronous<span class="type-signature"> : Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L280">Scene/ClassificationPrimitive.js 280</a>
</div>
</h4>
</div>
<div class="description">
Determines if the geometry instances will be created and batched on a web worker.
</div>
<dl class="details">
<span class="details-header">Default Value:</span>
<code class="language-javascript">true</code>
</dl>
<div class="nameContainer">
<h4 class="name" id="classificationType">
<a href="#classificationType" class="doc-link"></a>
classificationType<span class="type-signature"> : <a href="global.html#ClassificationType">ClassificationType</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L112">Scene/ClassificationPrimitive.js 112</a>
</div>
</h4>
</div>
<div class="description">
Determines whether terrain, 3D Tiles or both will be classified.
</div>
<dl class="details">
<span class="details-header">Default Value:</span>
<code class="language-javascript">ClassificationType.BOTH</code>
</dl>
<div class="nameContainer">
<h4 class="name" id="compressVertices">
<a href="#compressVertices" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> compressVertices<span class="type-signature"> : Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L296">Scene/ClassificationPrimitive.js 296</a>
</div>
</h4>
</div>
<div class="description">
When <code>true</code>, geometry vertices are compressed, which will save memory.
</div>
<dl class="details">
<span class="details-header">Default Value:</span>
<code class="language-javascript">true</code>
</dl>
<div class="nameContainer">
<h4 class="name" id="debugShowBoundingVolume">
<a href="#debugShowBoundingVolume" class="doc-link"></a>
debugShowBoundingVolume<span class="type-signature"> : Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L126">Scene/ClassificationPrimitive.js 126</a>
</div>
</h4>
</div>
<div class="description">
This property is for debugging only; it is not for production use nor is it optimized.
<p>
Draws the bounding sphere for each draw command in the primitive.
</p>
</div>
<dl class="details">
<span class="details-header">Default Value:</span>
<code class="language-javascript">false</code>
</dl>
<div class="nameContainer">
<h4 class="name" id="debugShowShadowVolume">
<a href="#debugShowShadowVolume" class="doc-link"></a>
debugShowShadowVolume<span class="type-signature"> : Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L140">Scene/ClassificationPrimitive.js 140</a>
</div>
</h4>
</div>
<div class="description">
This property is for debugging only; it is not for production use nor is it optimized.
<p>
Draws the shadow volume for each geometry in the primitive.
</p>
</div>
<dl class="details">
<span class="details-header">Default Value:</span>
<code class="language-javascript">false</code>
</dl>
<div class="nameContainer">
<h4 class="name" id="geometryInstances">
<a href="#geometryInstances" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> geometryInstances<span class="type-signature"> : Array|<a href="GeometryInstance.html">GeometryInstance</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L95">Scene/ClassificationPrimitive.js 95</a>
</div>
</h4>
</div>
<div class="description">
The geometry instance rendered with this primitive. This may
be <code>undefined</code> if <code>options.releaseGeometryInstances</code>
is <code>true</code> when the primitive is constructed.
<p>
Changing this property after the primitive is rendered has no effect.
</p>
<p>
Because of the rendering technique used, all geometry instances must be the same color.
If there is an instance with a differing color, a <code>DeveloperError</code> will be thrown
on the first attempt to render.
</p>
</div>
<dl class="details">
<span class="details-header">Default Value:</span>
<code class="language-javascript">undefined</code>
</dl>
<div class="nameContainer">
<h4 class="name" id="interleave">
<a href="#interleave" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> interleave<span class="type-signature"> : Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L232">Scene/ClassificationPrimitive.js 232</a>
</div>
</h4>
</div>
<div class="description">
Determines if geometry vertex attributes are interleaved, which can slightly improve rendering performance.
</div>
<dl class="details">
<span class="details-header">Default Value:</span>
<code class="language-javascript">false</code>
</dl>
<div class="nameContainer">
<h4 class="name" id="ready">
<a href="#ready" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> ready<span class="type-signature"> : Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L312">Scene/ClassificationPrimitive.js 312</a>
</div>
</h4>
</div>
<div class="description">
Determines if the primitive is complete and ready to render. If this property is
true, the primitive will be rendered the next time that <a href="ClassificationPrimitive.html#update"><code>ClassificationPrimitive#update</code></a>
is called.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="readyPromise">
<a href="#readyPromise" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> readyPromise<span class="type-signature"> : Promise.&lt;<a href="ClassificationPrimitive.html">ClassificationPrimitive</a>></span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L324">Scene/ClassificationPrimitive.js 324</a>
</div>
</h4>
</div>
<div class="description">
Gets a promise that resolves when the primitive is ready to render.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="releaseGeometryInstances">
<a href="#releaseGeometryInstances" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> releaseGeometryInstances<span class="type-signature"> : Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L248">Scene/ClassificationPrimitive.js 248</a>
</div>
</h4>
</div>
<div class="description">
When <code>true</code>, the primitive does not keep a reference to the input <code>geometryInstances</code> to save memory.
</div>
<dl class="details">
<span class="details-header">Default Value:</span>
<code class="language-javascript">true</code>
</dl>
<div class="nameContainer">
<h4 class="name" id="show">
<a href="#show" class="doc-link"></a>
show<span class="type-signature"> : Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L104">Scene/ClassificationPrimitive.js 104</a>
</div>
</h4>
</div>
<div class="description">
Determines if the primitive will be shown. This affects all geometry
instances in the primitive.
</div>
<dl class="details">
<span class="details-header">Default Value:</span>
<code class="language-javascript">true</code>
</dl>
<div class="nameContainer">
<h4 class="name" id="vertexCacheOptimize">
<a href="#vertexCacheOptimize" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> vertexCacheOptimize<span class="type-signature"> : Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L216">Scene/ClassificationPrimitive.js 216</a>
</div>
</h4>
</div>
<div class="description">
When <code>true</code>, geometry vertices are optimized for the pre and post-vertex-shader caches.
</div>
<dl class="details">
<span class="details-header">Default Value:</span>
<code class="language-javascript">true</code>
</dl>
<h3 class="subsection-title">Methods</h3>
<div class="nameContainer">
<h4 class="name" id=".isSupported">
<a href="#.isSupported" class="doc-link"></a>
<span class="type-signature attribute-static">static</span> Cesium.ClassificationPrimitive.isSupported<span class="signature">(scene)</span> &rarr; <span class="type-signature returnType">Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L354">Scene/ClassificationPrimitive.js 354</a>
</div>
</h4>
</div>
<div class="description">
Determines if ClassificationPrimitive rendering is supported.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>scene</code></td>
<td class="type">
<span class="param-type"><a href="Scene.html">Scene</a></span>
</td>
<td class="description last">
The scene.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
<code>true</code> if ClassificationPrimitives are supported; otherwise, returns <code>false</code>
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="destroy">
<a href="#destroy" class="doc-link"></a>
destroy<span class="signature">()</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L1410">Scene/ClassificationPrimitive.js 1410</a>
</div>
</h4>
</div>
<div class="description">
Destroys the WebGL resources held by this object. Destroying an object allows for deterministic
release of WebGL resources, instead of relying on the garbage collector to destroy this object.
<p>
Once an object is destroyed, it should not be used; calling any function other than
<code>isDestroyed</code> will result in a <a href="DeveloperError.html"><code>DeveloperError</code></a> exception. Therefore,
assign the return value (<code>undefined</code>) to the object as done in the example.
</p>
</div>
<h5>Throws:</h5>
<ul>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: This object was destroyed, i.e., destroy() was called.
</div>
</li>
</ul>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">e = e &amp;&amp; e.destroy();</code></pre>
<h5>See:</h5>
<ul class="see-list">
<li><a href="ClassificationPrimitive.html#isDestroyed">ClassificationPrimitive#isDestroyed</a></li>
</ul>
</dl>
<div class="nameContainer">
<h4 class="name" id="getGeometryInstanceAttributes">
<a href="#getGeometryInstanceAttributes" class="doc-link"></a>
getGeometryInstanceAttributes<span class="signature">(id)</span> &rarr; <span class="type-signature returnType">Object</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L1366">Scene/ClassificationPrimitive.js 1366</a>
</div>
</h4>
</div>
<div class="description">
Returns the modifiable per-instance attributes for a <a href="GeometryInstance.html"><code>GeometryInstance</code></a>.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>id</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="description last">
The id of the <a href="GeometryInstance.html"><code>GeometryInstance</code></a>.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The typed array in the attribute's format or undefined if the is no instance with id.
</div>
<h5>Throws:</h5>
<ul>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: must call update before calling getGeometryInstanceAttributes.
</div>
</li>
</ul>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">const attributes = primitive.getGeometryInstanceAttributes('an id');
attributes.color = Cesium.ColorGeometryInstanceAttribute.toValue(Cesium.Color.AQUA);
attributes.show = Cesium.ShowGeometryInstanceAttribute.toValue(true);</code></pre>
</dl>
<div class="nameContainer">
<h4 class="name" id="isDestroyed">
<a href="#isDestroyed" class="doc-link"></a>
isDestroyed<span class="signature">()</span> &rarr; <span class="type-signature returnType">Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L1390">Scene/ClassificationPrimitive.js 1390</a>
</div>
</h4>
</div>
<div class="description">
Returns true if this object was destroyed; otherwise, false.
<p>
If this object was destroyed, it should not be used; calling any function other than
<code>isDestroyed</code> will result in a <a href="DeveloperError.html"><code>DeveloperError</code></a> exception.
</p>
</div>
<h5>Returns:</h5>
<div class="param-desc">
<code>true</code> if this object was destroyed; otherwise, <code>false</code>.
</div>
<dl class="details">
<h5>See:</h5>
<ul class="see-list">
<li><a href="ClassificationPrimitive.html#destroy">ClassificationPrimitive#destroy</a></li>
</ul>
</dl>
<div class="nameContainer">
<h4 class="name" id="update">
<a href="#update" class="doc-link"></a>
update<span class="signature">()</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/ClassificationPrimitive.js#L1070">Scene/ClassificationPrimitive.js 1070</a>
</div>
</h4>
</div>
<div class="description">
Called when <a href="Viewer.html"><code>Viewer</code></a> or <a href="CesiumWidget.html"><code>CesiumWidget</code></a> render the scene to
get the draw commands needed to render this primitive.
<p>
Do not call this function directly. This is documented just to
list the exceptions that may be propagated when the scene is rendered:
</p>
</div>
<h5>Throws:</h5>
<ul>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: All instance geometries must have the same primitiveType.
</div>
</li>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: Appearance and material have a uniform with the same name.
</div>
</li>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: Not all of the geometry instances have the same color attribute.
</div>
</li>
</ul>
<dl class="details">
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