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2022-07-05 16:56:29 +08:00
<!DOCTYPE html>
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<title>Cesium3DTile - Cesium Documentation</title>
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<h1 class="page-title">
<a href="index.html"><img src="Images/CesiumLogo.png" class="cesiumLogo"></a>
Cesium3DTile
<div class="titleCenterer"></div>
</h1>
<section>
<header>
</header>
<article>
<div class="container-overview">
<div class="nameContainer">
<h4 class="name" id="Cesium3DTile">
<a href="#Cesium3DTile" class="doc-link"></a>
new Cesium.Cesium3DTile<span class="signature">()</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L55">Scene/Cesium3DTile.js 55</a>
</div>
</h4>
</div>
<div class="description">
A tile in a <a href="Cesium3DTileset.html"><code>Cesium3DTileset</code></a>. When a tile is first created, its content is not loaded;
the content is loaded on-demand when needed based on the view.
<p>
Do not construct this directly, instead access tiles through <a href="Cesium3DTileset.html#tileVisible"><code>Cesium3DTileset#tileVisible</code></a>.
</p>
</div>
<dl class="details">
</dl>
</div>
<h3 class="subsection-title">Members</h3>
<div class="nameContainer">
<h4 class="name" id="boundingSphere">
<a href="#boundingSphere" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> boundingSphere<span class="type-signature"> : <a href="BoundingSphere.html">BoundingSphere</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L547">Scene/Cesium3DTile.js 547</a>
</div>
</h4>
</div>
<div class="description">
Get the bounding sphere derived from the tile's bounding volume.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="children">
<a href="#children" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> children<span class="type-signature"> : Array.&lt;<a href="Cesium3DTile.html">Cesium3DTile</a>></span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L182">Scene/Cesium3DTile.js 182</a>
</div>
</h4>
</div>
<div class="description">
Gets the tile's children.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="computedTransform">
<a href="#computedTransform" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> computedTransform<span class="type-signature"> : <a href="Matrix4.html">Matrix4</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L91">Scene/Cesium3DTile.js 91</a>
</div>
</h4>
</div>
<div class="description">
The final computed transform of this tile.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="content">
<a href="#content" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> content<span class="type-signature"> : <a href="Cesium3DTileContent.html">Cesium3DTileContent</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L501">Scene/Cesium3DTile.js 501</a>
</div>
</h4>
</div>
<div class="description">
The tile's content. This represents the actual tile's payload,
not the content's metadata in the tileset JSON file.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="expireDate">
<a href="#expireDate" class="doc-link"></a>
expireDate<span class="type-signature"> : <a href="JulianDate.html">JulianDate</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L351">Scene/Cesium3DTile.js 351</a>
</div>
</h4>
</div>
<div class="description">
The date when the content expires and new content is requested.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="expireDuration">
<a href="#expireDuration" class="doc-link"></a>
expireDuration<span class="type-signature"> : Number</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L344">Scene/Cesium3DTile.js 344</a>
</div>
</h4>
</div>
<div class="description">
The time in seconds after the tile's content is ready when the content expires and new content is requested.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="extras">
<a href="#extras" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> extras<span class="type-signature"> : *</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L563">Scene/Cesium3DTile.js 563</a>
</div>
</h4>
</div>
<div class="description">
Returns the <code>extras</code> property in the tileset JSON for this tile, which contains application specific metadata.
Returns <code>undefined</code> if <code>extras</code> does not exist.
</div>
<dl class="details">
<h5>See:</h5>
<ul class="see-list">
<li><a href="https://github.com/CesiumGS/3d-tiles/tree/main/specification#specifying-extensions-and-application-specific-extras">Extras in the 3D Tiles specification.</a></li>
</ul>
</dl>
<div class="nameContainer">
<h4 class="name" id="geometricError">
<a href="#geometricError" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> geometricError<span class="type-signature"> : Number</span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L131">Scene/Cesium3DTile.js 131</a>
</div>
</h4>
</div>
<div class="description">
The error, in meters, introduced if this tile is rendered and its children are not.
This is used to compute screen space error, i.e., the error measured in pixels.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="parent">
<a href="#parent" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> parent<span class="type-signature"> : <a href="Cesium3DTile.html">Cesium3DTile</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L195">Scene/Cesium3DTile.js 195</a>
</div>
</h4>
</div>
<div class="description">
This tile's parent or <code>undefined</code> if this tile is the root.
<p>
When a tile's content points to an external tileset JSON file, the external tileset's
root tile's parent is not <code>undefined</code>; instead, the parent references
the tile (with its content pointing to an external tileset JSON file) as if the two tilesets were merged.
</p>
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="tileset">
<a href="#tileset" class="doc-link"></a>
<span class="type-signature attribute-readonly">readonly</span> tileset<span class="type-signature"> : <a href="Cesium3DTileset.html">Cesium3DTileset</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L486">Scene/Cesium3DTile.js 486</a>
</div>
</h4>
</div>
<div class="description">
The tileset containing this tile.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="transform">
<a href="#transform" class="doc-link"></a>
transform<span class="type-signature"> : <a href="Matrix4.html">Matrix4</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/CesiumGS/cesium/blob/1.91/Source/Scene/Cesium3DTile.js#L64">Scene/Cesium3DTile.js 64</a>
</div>
</h4>
</div>
<div class="description">
The local transform of this tile.
</div>
<dl class="details">
</dl>
</article>
</section>
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.6.10</a>
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