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docs: generated API documentation (483 pages)
2026-07-24 11:55:47 +00:00

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&#160;<span id="projectnumber">3.1.0</span>
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<a href="#pub-methods">Public 成员函数</a> &#124;
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<p>空间索引抽象基类
<a href="classvde_1_1spatial_1_1SpatialIndex.html#details">更多...</a></p>
<p><code>#include &lt;<a class="el" href="spatial__index_8h_source.html">spatial_index.h</a>&gt;</code></p>
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类 vde::spatial::SpatialIndex&lt; T &gt; 继承关系图:</div>
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Public 成员函数</h2></td></tr>
<tr class="memitem:ab27637c0122a9fd82ebc12598db496f1"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html#ab27637c0122a9fd82ebc12598db496f1">~SpatialIndex</a> ()=default</td></tr>
<tr class="separator:ab27637c0122a9fd82ebc12598db496f1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3cc8e80b3f92fbb5766094066a120364"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html#a3cc8e80b3f92fbb5766094066a120364">build</a> (const std::vector&lt; T &gt; &amp;items)=0</td></tr>
<tr class="memdesc:a3cc8e80b3f92fbb5766094066a120364"><td class="mdescLeft">&#160;</td><td class="mdescRight">批量构建索引 <a href="classvde_1_1spatial_1_1SpatialIndex.html#a3cc8e80b3f92fbb5766094066a120364">更多...</a><br /></td></tr>
<tr class="separator:a3cc8e80b3f92fbb5766094066a120364"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad494ecb8a0178a8bedddfd0278b39162"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html#ad494ecb8a0178a8bedddfd0278b39162">insert</a> (const T &amp;item)=0</td></tr>
<tr class="memdesc:ad494ecb8a0178a8bedddfd0278b39162"><td class="mdescLeft">&#160;</td><td class="mdescRight">插入单个对象 <a href="classvde_1_1spatial_1_1SpatialIndex.html#ad494ecb8a0178a8bedddfd0278b39162">更多...</a><br /></td></tr>
<tr class="separator:ad494ecb8a0178a8bedddfd0278b39162"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a135664f598eae21a922ceead3a60d5ab"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html#a135664f598eae21a922ceead3a60d5ab">remove</a> (const T &amp;item)=0</td></tr>
<tr class="memdesc:a135664f598eae21a922ceead3a60d5ab"><td class="mdescLeft">&#160;</td><td class="mdescRight">删除单个对象 <a href="classvde_1_1spatial_1_1SpatialIndex.html#a135664f598eae21a922ceead3a60d5ab">更多...</a><br /></td></tr>
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<tr class="memitem:acaddc825aeb513861587e070ed222584"><td class="memItemLeft" align="right" valign="top">virtual std::vector&lt; T &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html#acaddc825aeb513861587e070ed222584">query_range</a> (const AABB3D &amp;range) const =0</td></tr>
<tr class="memdesc:acaddc825aeb513861587e070ed222584"><td class="mdescLeft">&#160;</td><td class="mdescRight">范围查询：返回与 AABB 相交的所有对象 <a href="classvde_1_1spatial_1_1SpatialIndex.html#acaddc825aeb513861587e070ed222584">更多...</a><br /></td></tr>
<tr class="separator:acaddc825aeb513861587e070ed222584"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afae94f2d82bf75c2096c409809735381"><td class="memItemLeft" align="right" valign="top">virtual std::vector&lt; T &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html#afae94f2d82bf75c2096c409809735381">query_knn</a> (const Point3D &amp;point, size_t k) const =0</td></tr>
<tr class="memdesc:afae94f2d82bf75c2096c409809735381"><td class="mdescLeft">&#160;</td><td class="mdescRight">K 近邻查询：返回距 point 最近的 k 个对象 <a href="classvde_1_1spatial_1_1SpatialIndex.html#afae94f2d82bf75c2096c409809735381">更多...</a><br /></td></tr>
<tr class="separator:afae94f2d82bf75c2096c409809735381"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="memdesc:ac3bd96db5d118856a25081d9b8820225"><td class="mdescLeft">&#160;</td><td class="mdescRight">射线查询：返回与射线相交的所有对象 <a href="classvde_1_1spatial_1_1SpatialIndex.html#ac3bd96db5d118856a25081d9b8820225">更多...</a><br /></td></tr>
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<tr class="memitem:a609143536e3307d5bacaf21cb19c0840"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html#a609143536e3307d5bacaf21cb19c0840">clear</a> ()=0</td></tr>
<tr class="memdesc:a609143536e3307d5bacaf21cb19c0840"><td class="mdescLeft">&#160;</td><td class="mdescRight">清空索引中所有数据 <a href="classvde_1_1spatial_1_1SpatialIndex.html#a609143536e3307d5bacaf21cb19c0840">更多...</a><br /></td></tr>
<tr class="separator:a609143536e3307d5bacaf21cb19c0840"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae972c151054589684f24b53ec08a99d1"><td class="memItemLeft" align="right" valign="top">virtual size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html#ae972c151054589684f24b53ec08a99d1">size</a> () const =0</td></tr>
<tr class="memdesc:ae972c151054589684f24b53ec08a99d1"><td class="mdescLeft">&#160;</td><td class="mdescRight">当前索引中的对象数量 <a href="classvde_1_1spatial_1_1SpatialIndex.html#ae972c151054589684f24b53ec08a99d1">更多...</a><br /></td></tr>
<tr class="separator:ae972c151054589684f24b53ec08a99d1"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">详细描述</h2>
<div class="textblock"><h3>template&lt;typename T&gt;<br />
class vde::spatial::SpatialIndex&lt; T &gt;</h3>
<p>空间索引抽象基类 </p>
<p>所有空间加速结构（BVH、Octree、KDTree、RTree）的公共接口。 模板参数 T 为被索引对象类型，需提供以下辅助函数：</p><ul>
<li>get_position(T) → Point3D （空间位置）</li>
<li>get_aabb(T) → AABB3D （包围盒，用于范围查询）</li>
<li>ray_hits_item(T, Ray3Dd) → bool（与射线求交）</li>
</ul>
<dl class="tparams"><dt>模板参数</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>被索引的空间对象类型</td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>注解</dt><dd>本类为纯虚接口，不可直接实例化 </dd></dl>
<p class="definition">在文件 <a class="el" href="spatial__index_8h_source.html">spatial_index.h</a> 第 <a class="el" href="spatial__index_8h_source.html#l00044">44</a> 行定义.</p>
</div><h2 class="groupheader">构造及析构函数说明</h2>
<a id="ab27637c0122a9fd82ebc12598db496f1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab27637c0122a9fd82ebc12598db496f1">&#9670;&nbsp;</a></span>~SpatialIndex()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T &gt; </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">virtual <a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html">vde::spatial::SpatialIndex</a>&lt; T &gt;::~<a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html">SpatialIndex</a> </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span><span class="mlabel">default</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<h2 class="groupheader">成员函数说明</h2>
<a id="a3cc8e80b3f92fbb5766094066a120364"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3cc8e80b3f92fbb5766094066a120364">&#9670;&nbsp;</a></span>build()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T &gt; </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">virtual void <a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html">vde::spatial::SpatialIndex</a>&lt; T &gt;::build </td>
<td>(</td>
<td class="paramtype">const std::vector&lt; T &gt; &amp;&#160;</td>
<td class="paramname"><em>items</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>批量构建索引 </p>
<p>清空已有数据，将 items 全部插入并重建索引结构。 各子类实现不同的构建策略：</p><ul>
<li><a class="el" href="classvde_1_1spatial_1_1BVH.html" title="包围盒层次结构 — 三角形网格加速结构">BVH</a>: SAH 启发式自顶向下划分</li>
<li><a class="el" href="classvde_1_1spatial_1_1KDTree.html" title="k-d 树空间索引">KDTree</a>: 中值分割递归构建</li>
<li><a class="el" href="classvde_1_1spatial_1_1Octree.html" title="八叉树空间索引">Octree</a>: 自适应八等分递归剖分</li>
<li><a class="el" href="classvde_1_1spatial_1_1RTree.html" title="R 树动态空间索引">RTree</a>: 批量插入后优化重组</li>
</ul>
<dl class="params"><dt>参数</dt><dd>
<table class="params">
<tr><td class="paramname">items</td><td>待索引的对象数组 </td></tr>
</table>
</dd>
</dl>
<p>在 <a class="el" href="classvde_1_1spatial_1_1BVH.html#a35d6e474202154c8618f1b0faa79bed7">vde::spatial::BVH</a>, <a class="el" href="classvde_1_1spatial_1_1RTree.html#a2aa66b76be9a39013745d47b9bcee5e2">vde::spatial::RTree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1Octree.html#a89f097f05a5d8e3f37c8827b0becf13a">vde::spatial::Octree&lt; T &gt;</a> , 以及 <a class="el" href="classvde_1_1spatial_1_1KDTree.html#af4f05befd943a75678ae774f488dc02e">vde::spatial::KDTree&lt; T &gt;</a> 内被实现.</p>
</div>
</div>
<a id="a609143536e3307d5bacaf21cb19c0840"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a609143536e3307d5bacaf21cb19c0840">&#9670;&nbsp;</a></span>clear()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T &gt; </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">virtual void <a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html">vde::spatial::SpatialIndex</a>&lt; T &gt;::clear </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>清空索引中所有数据 </p>
<p>在 <a class="el" href="classvde_1_1spatial_1_1RTree.html#ac0c5e402bd7df81c40a9684f6760f033">vde::spatial::RTree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1Octree.html#a662710127e41ac3c225eaf36ef2c3ca4">vde::spatial::Octree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1KDTree.html#ac2ad26d117fc2abe05cf3ea4a2303bce">vde::spatial::KDTree&lt; T &gt;</a> , 以及 <a class="el" href="classvde_1_1spatial_1_1BVH.html#a6c96e1ffdbd30eb528bb0b412e837e77">vde::spatial::BVH</a> 内被实现.</p>
</div>
</div>
<a id="ad494ecb8a0178a8bedddfd0278b39162"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad494ecb8a0178a8bedddfd0278b39162">&#9670;&nbsp;</a></span>insert()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T &gt; </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">virtual void <a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html">vde::spatial::SpatialIndex</a>&lt; T &gt;::insert </td>
<td>(</td>
<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>item</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>插入单个对象 </p>
<p>将 item 加入索引。部分结构（如 BVH）仅支持一次性 build， 插入后可能需要重建。</p>
<dl class="params"><dt>参数</dt><dd>
<table class="params">
<tr><td class="paramname">item</td><td>待插入的空间对象 </td></tr>
</table>
</dd>
</dl>
<p>在 <a class="el" href="classvde_1_1spatial_1_1BVH.html#aff29d9b52ae60df8ee80206f45e34a58">vde::spatial::BVH</a>, <a class="el" href="classvde_1_1spatial_1_1RTree.html#aab879eeaba60e10269d9b0287cb79e13">vde::spatial::RTree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1Octree.html#a4f4f6b7a241c6a546406fbf40d42bad2">vde::spatial::Octree&lt; T &gt;</a> , 以及 <a class="el" href="classvde_1_1spatial_1_1KDTree.html#a4c17d9ce3f29ded0066736ff44a057fb">vde::spatial::KDTree&lt; T &gt;</a> 内被实现.</p>
</div>
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<a id="afae94f2d82bf75c2096c409809735381"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afae94f2d82bf75c2096c409809735381">&#9670;&nbsp;</a></span>query_knn()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T &gt; </div>
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<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">virtual std::vector&lt;T&gt; <a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html">vde::spatial::SpatialIndex</a>&lt; T &gt;::query_knn </td>
<td>(</td>
<td class="paramtype">const Point3D &amp;&#160;</td>
<td class="paramname"><em>point</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>k</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>K 近邻查询：返回距 point 最近的 k 个对象 </p>
<dl class="params"><dt>参数</dt><dd>
<table class="params">
<tr><td class="paramname">point</td><td>查询点 </td></tr>
<tr><td class="paramname">k</td><td>需要返回的对象数量 </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>返回</dt><dd>按距离升序排列的 k 个最近对象 </dd></dl>
<p>在 <a class="el" href="classvde_1_1spatial_1_1RTree.html#a4d6b737f7724d8a093be2f57a7f7a038">vde::spatial::RTree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1Octree.html#a01e4aebdad76a100da83b6fcec6bef52">vde::spatial::Octree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1KDTree.html#a808f7a199ca2046a51bfd85c6dfbaa1e">vde::spatial::KDTree&lt; T &gt;</a> , 以及 <a class="el" href="classvde_1_1spatial_1_1BVH.html#a58f4b998d28631ccb1574c70f011f83f">vde::spatial::BVH</a> 内被实现.</p>
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<a id="acaddc825aeb513861587e070ed222584"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acaddc825aeb513861587e070ed222584">&#9670;&nbsp;</a></span>query_range()</h2>
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<div class="memproto">
<div class="memtemplate">
template&lt;typename T &gt; </div>
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<td class="mlabels-left">
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<td class="memname">virtual std::vector&lt;T&gt; <a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html">vde::spatial::SpatialIndex</a>&lt; T &gt;::query_range </td>
<td>(</td>
<td class="paramtype">const AABB3D &amp;&#160;</td>
<td class="paramname"><em>range</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>范围查询：返回与 AABB 相交的所有对象 </p>
<dl class="params"><dt>参数</dt><dd>
<table class="params">
<tr><td class="paramname">range</td><td>查询的轴对齐包围盒 </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>返回</dt><dd>与 range 相交的对象列表 </dd></dl>
<p>在 <a class="el" href="classvde_1_1spatial_1_1RTree.html#a8f41c695ff1246a061232cbef7e331b4">vde::spatial::RTree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1Octree.html#a5a577319aeb8e7f4fc2bcb76fc23d425">vde::spatial::Octree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1KDTree.html#a379b11a29bec58d541a6d7457a955ac4">vde::spatial::KDTree&lt; T &gt;</a> , 以及 <a class="el" href="classvde_1_1spatial_1_1BVH.html#a04e463cf4d56f976a1a4af54695357f6">vde::spatial::BVH</a> 内被实现.</p>
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<a id="ac3bd96db5d118856a25081d9b8820225"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac3bd96db5d118856a25081d9b8820225">&#9670;&nbsp;</a></span>query_ray()</h2>
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<div class="memproto">
<div class="memtemplate">
template&lt;typename T &gt; </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
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<tr>
<td class="memname">virtual std::vector&lt;T&gt; <a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html">vde::spatial::SpatialIndex</a>&lt; T &gt;::query_ray </td>
<td>(</td>
<td class="paramtype">const Ray3Dd &amp;&#160;</td>
<td class="paramname"><em>ray</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>射线查询：返回与射线相交的所有对象 </p>
<dl class="params"><dt>参数</dt><dd>
<table class="params">
<tr><td class="paramname">ray</td><td>查询射线 </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>返回</dt><dd>按命中距离升序排列的相交对象列表 </dd></dl>
<p>在 <a class="el" href="classvde_1_1spatial_1_1RTree.html#adb35b484e336f122b097d4eb4156509d">vde::spatial::RTree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1Octree.html#aeb6be8f90b1e0da1f8abb106aae14a9e">vde::spatial::Octree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1KDTree.html#a24899ae6305ff7ebc0899736adcf7ff4">vde::spatial::KDTree&lt; T &gt;</a> , 以及 <a class="el" href="classvde_1_1spatial_1_1BVH.html#a99e4ff172513e51223eda759d24cf5a4">vde::spatial::BVH</a> 内被实现.</p>
</div>
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<a id="a135664f598eae21a922ceead3a60d5ab"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a135664f598eae21a922ceead3a60d5ab">&#9670;&nbsp;</a></span>remove()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T &gt; </div>
<table class="mlabels">
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<td class="mlabels-left">
<table class="memname">
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<td class="memname">virtual bool <a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html">vde::spatial::SpatialIndex</a>&lt; T &gt;::remove </td>
<td>(</td>
<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>item</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>删除单个对象 </p>
<dl class="params"><dt>参数</dt><dd>
<table class="params">
<tr><td class="paramname">item</td><td>待删除的空间对象 </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>返回</dt><dd>true 删除成功；false 对象不存在 </dd></dl>
<p>在 <a class="el" href="classvde_1_1spatial_1_1BVH.html#a3b6f76186507b3dd44fe18a8be63b8c1">vde::spatial::BVH</a>, <a class="el" href="classvde_1_1spatial_1_1RTree.html#a6caa3cac6e90b7c5038a47c973d7f692">vde::spatial::RTree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1Octree.html#a57d8e701deb0fb778caa9df487f22e38">vde::spatial::Octree&lt; T &gt;</a> , 以及 <a class="el" href="classvde_1_1spatial_1_1KDTree.html#a4b217b60d51468d18f7e0a15defa02e7">vde::spatial::KDTree&lt; T &gt;</a> 内被实现.</p>
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<a id="ae972c151054589684f24b53ec08a99d1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae972c151054589684f24b53ec08a99d1">&#9670;&nbsp;</a></span>size()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T &gt; </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
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<td class="memname">virtual size_t <a class="el" href="classvde_1_1spatial_1_1SpatialIndex.html">vde::spatial::SpatialIndex</a>&lt; T &gt;::size </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>当前索引中的对象数量 </p>
<dl class="section return"><dt>返回</dt><dd>对象计数 </dd></dl>
<p>在 <a class="el" href="classvde_1_1spatial_1_1RTree.html#a54e72451aae1faeaeadc96e2745575da">vde::spatial::RTree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1Octree.html#aa023943f4019613695359e5ba7f370b1">vde::spatial::Octree&lt; T &gt;</a>, <a class="el" href="classvde_1_1spatial_1_1KDTree.html#a2e33bb4e110b7006f095644aa8532ed2">vde::spatial::KDTree&lt; T &gt;</a> , 以及 <a class="el" href="classvde_1_1spatial_1_1BVH.html#ad7fa14f4a51abeb82673b8846479ed46">vde::spatial::BVH</a> 内被实现.</p>
</div>
</div>
<hr/>该类的文档由以下文件生成:<ul>
<li>include/vde/spatial/<a class="el" href="spatial__index_8h_source.html">spatial_index.h</a></li>
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