茂之钳
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181 lines
25 KiB
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<div id="projectname">ViewDesignEngine
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 <span id="projectnumber">3.1.0</span>
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<div id="projectbrief">高性能 CAD 计算几何引擎</div>
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<a href="r__tree_8h.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>  </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#pragma once</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "<a class="code" href="spatial__index_8h.html">vde/spatial/spatial_index.h</a>"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "<a class="code" href="aabb_8h.html">vde/core/aabb.h</a>"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <queue></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <limits></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span><a class="code" href="namespacevde_1_1spatial.html">vde::spatial</a> {</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">using</span> <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">core::Point3D</a>;</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">using</span> <a class="code" href="namespacevde_1_1core.html#ab763c018d19e10e91a6c6d6ab2ccc8e0">core::Vector3D</a>;</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">using</span> <a class="code" href="namespacevde_1_1core.html#a04dc76bd933ba44d1aed5cd6d24bebeb">core::Ray3Dd</a>;</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">using</span> <a class="code" href="namespacevde_1_1core.html#a2d5a2fbdd5b868a1f767d069322d0acd">core::Triangle3D</a>;</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="structvde_1_1spatial_1_1RTreeNode.html"> 32</a></span> <span class="keyword">struct </span><a class="code" href="structvde_1_1spatial_1_1RTreeNode.html">RTreeNode</a> {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="structvde_1_1spatial_1_1RTreeNode.html#aba1b3383b4a355f349019f26cc20868b"> 33</a></span>  <a class="code" href="namespacevde_1_1core.html#a5e6679209cad0695e1b9d088c4b0e224">AABB3D</a> <a class="code" href="structvde_1_1spatial_1_1RTreeNode.html#aba1b3383b4a355f349019f26cc20868b">bbox</a>; </div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="structvde_1_1spatial_1_1RTreeNode.html#a118e1c086ddb3fb8c597d9d33fa46de4"> 34</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structvde_1_1spatial_1_1RTreeNode.html#a118e1c086ddb3fb8c597d9d33fa46de4">is_leaf</a> = <span class="keyword">true</span>; </div>
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<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="structvde_1_1spatial_1_1RTreeNode.html#a292be37d54b70f1a334d54ca6e849f0d"> 35</a></span>  std::vector<size_t> <a class="code" href="structvde_1_1spatial_1_1RTreeNode.html#a292be37d54b70f1a334d54ca6e849f0d">children</a>; </div>
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<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="structvde_1_1spatial_1_1RTreeNode.html#a554470d3985a3ac82c1fb95301324d88"> 36</a></span>  std::vector<size_t> <a class="code" href="structvde_1_1spatial_1_1RTreeNode.html#a554470d3985a3ac82c1fb95301324d88">item_indices</a>; </div>
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<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="structvde_1_1spatial_1_1RTreeNode.html#a633be421e9d8be7232295b46f0eb517e"> 37</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="structvde_1_1spatial_1_1RTreeNode.html#a633be421e9d8be7232295b46f0eb517e">parent</a> = <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(-1); </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> };</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1RTree.html"> 68</a></span> <span class="keyword">class </span><a class="code" href="classvde_1_1spatial_1_1RTree.html">RTree</a> : <span class="keyword">public</span> <a class="code" href="classvde_1_1spatial_1_1SpatialIndex.html">SpatialIndex</a><T> {</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1RTree.html#a2aa66b76be9a39013745d47b9bcee5e2"> 78</a></span>  <span class="keywordtype">void</span> <a class="code" href="classvde_1_1spatial_1_1RTree.html#a2aa66b76be9a39013745d47b9bcee5e2">build</a>(<span class="keyword">const</span> std::vector<T>& items) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  </div>
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<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1RTree.html#aab879eeaba60e10269d9b0287cb79e13"> 88</a></span>  <span class="keywordtype">void</span> <a class="code" href="classvde_1_1spatial_1_1RTree.html#aab879eeaba60e10269d9b0287cb79e13">insert</a>(<span class="keyword">const</span> T& item) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
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<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1RTree.html#a6caa3cac6e90b7c5038a47c973d7f692"> 99</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classvde_1_1spatial_1_1RTree.html#a6caa3cac6e90b7c5038a47c973d7f692">remove</a>(<span class="keyword">const</span> T& item) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1RTree.html#a8f41c695ff1246a061232cbef7e331b4"> 110</a></span>  std::vector<T> <a class="code" href="classvde_1_1spatial_1_1RTree.html#a8f41c695ff1246a061232cbef7e331b4">query_range</a>(<span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#a5e6679209cad0695e1b9d088c4b0e224">AABB3D</a>& range) <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
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<div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1RTree.html#a4d6b737f7724d8a093be2f57a7f7a038"> 121</a></span>  std::vector<T> <a class="code" href="classvde_1_1spatial_1_1RTree.html#a4d6b737f7724d8a093be2f57a7f7a038">query_knn</a>(<span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a>& point, <span class="keywordtype">size_t</span> k) <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
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<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1RTree.html#adb35b484e336f122b097d4eb4156509d"> 131</a></span>  std::vector<T> <a class="code" href="classvde_1_1spatial_1_1RTree.html#adb35b484e336f122b097d4eb4156509d">query_ray</a>(<span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#a04dc76bd933ba44d1aed5cd6d24bebeb">Ray3Dd</a>& ray) <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
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<div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1RTree.html#ac0c5e402bd7df81c40a9684f6760f033"> 136</a></span>  <span class="keywordtype">void</span> <a class="code" href="classvde_1_1spatial_1_1RTree.html#ac0c5e402bd7df81c40a9684f6760f033">clear</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
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<div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1RTree.html#a54e72451aae1faeaeadc96e2745575da"> 143</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classvde_1_1spatial_1_1RTree.html#a54e72451aae1faeaeadc96e2745575da">size</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> count_; }</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div>
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<div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1RTree.html#a7f4fea3f4720daa5f9bb7566b3ba46d9"> 150</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classvde_1_1spatial_1_1RTree.html#a7f4fea3f4720daa5f9bb7566b3ba46d9">node_count</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> nodes_.size(); }</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">void</span> query_range_recursive(<span class="keywordtype">size_t</span> node_idx, <span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#a5e6679209cad0695e1b9d088c4b0e224">AABB3D</a>& range,</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  std::vector<T>& result) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  </div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  std::vector<T> items_; </div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  std::vector<AABB3D> item_bounds_; </div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  std::vector<RTreeNode<T>> nodes_; </div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">size_t</span> root_idx_ = 0; </div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">size_t</span> count_ = 0; </div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> };</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  </div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> } <span class="comment">// namespace vde::spatial</span></div>
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<div class="ttc" id="aaabb_8h_html"><div class="ttname"><a href="aabb_8h.html">aabb.h</a></div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1RTree_html"><div class="ttname"><a href="classvde_1_1spatial_1_1RTree.html">vde::spatial::RTree</a></div><div class="ttdoc">R 树动态空间索引</div><div class="ttdef"><b>Definition:</b> <a href="r__tree_8h_source.html#l00068">r_tree.h:68</a></div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1RTree_html_a2aa66b76be9a39013745d47b9bcee5e2"><div class="ttname"><a href="classvde_1_1spatial_1_1RTree.html#a2aa66b76be9a39013745d47b9bcee5e2">vde::spatial::RTree::build</a></div><div class="ttdeci">void build(const std::vector< T > &items) override</div><div class="ttdoc">批量构建 R 树</div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1RTree_html_a4d6b737f7724d8a093be2f57a7f7a038"><div class="ttname"><a href="classvde_1_1spatial_1_1RTree.html#a4d6b737f7724d8a093be2f57a7f7a038">vde::spatial::RTree::query_knn</a></div><div class="ttdeci">std::vector< T > query_knn(const Point3D &point, size_t k) const override</div><div class="ttdoc">K 近邻查询</div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1RTree_html_a54e72451aae1faeaeadc96e2745575da"><div class="ttname"><a href="classvde_1_1spatial_1_1RTree.html#a54e72451aae1faeaeadc96e2745575da">vde::spatial::RTree::size</a></div><div class="ttdeci">size_t size() const override</div><div class="ttdoc">对象数量</div><div class="ttdef"><b>Definition:</b> <a href="r__tree_8h_source.html#l00143">r_tree.h:143</a></div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1RTree_html_a6caa3cac6e90b7c5038a47c973d7f692"><div class="ttname"><a href="classvde_1_1spatial_1_1RTree.html#a6caa3cac6e90b7c5038a47c973d7f692">vde::spatial::RTree::remove</a></div><div class="ttdeci">bool remove(const T &item) override</div><div class="ttdoc">删除对象</div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1RTree_html_a7f4fea3f4720daa5f9bb7566b3ba46d9"><div class="ttname"><a href="classvde_1_1spatial_1_1RTree.html#a7f4fea3f4720daa5f9bb7566b3ba46d9">vde::spatial::RTree::node_count</a></div><div class="ttdeci">size_t node_count() const</div><div class="ttdoc">R 树节点总数</div><div class="ttdef"><b>Definition:</b> <a href="r__tree_8h_source.html#l00150">r_tree.h:150</a></div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1RTree_html_a8f41c695ff1246a061232cbef7e331b4"><div class="ttname"><a href="classvde_1_1spatial_1_1RTree.html#a8f41c695ff1246a061232cbef7e331b4">vde::spatial::RTree::query_range</a></div><div class="ttdeci">std::vector< T > query_range(const AABB3D &range) const override</div><div class="ttdoc">范围查询</div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1RTree_html_aab879eeaba60e10269d9b0287cb79e13"><div class="ttname"><a href="classvde_1_1spatial_1_1RTree.html#aab879eeaba60e10269d9b0287cb79e13">vde::spatial::RTree::insert</a></div><div class="ttdeci">void insert(const T &item) override</div><div class="ttdoc">增量插入对象</div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1RTree_html_ac0c5e402bd7df81c40a9684f6760f033"><div class="ttname"><a href="classvde_1_1spatial_1_1RTree.html#ac0c5e402bd7df81c40a9684f6760f033">vde::spatial::RTree::clear</a></div><div class="ttdeci">void clear() override</div><div class="ttdoc">清空 R 树</div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1RTree_html_adb35b484e336f122b097d4eb4156509d"><div class="ttname"><a href="classvde_1_1spatial_1_1RTree.html#adb35b484e336f122b097d4eb4156509d">vde::spatial::RTree::query_ray</a></div><div class="ttdeci">std::vector< T > query_ray(const Ray3Dd &ray) const override</div><div class="ttdoc">射线查询</div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1SpatialIndex_html"><div class="ttname"><a href="classvde_1_1spatial_1_1SpatialIndex.html">vde::spatial::SpatialIndex</a></div><div class="ttdoc">空间索引抽象基类</div><div class="ttdef"><b>Definition:</b> <a href="spatial__index_8h_source.html#l00044">spatial_index.h:44</a></div></div>
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<div class="ttc" id="anamespacevde_1_1core_html_a04dc76bd933ba44d1aed5cd6d24bebeb"><div class="ttname"><a href="namespacevde_1_1core.html#a04dc76bd933ba44d1aed5cd6d24bebeb">vde::core::Ray3Dd</a></div><div class="ttdeci">Ray3D< double > Ray3Dd</div><div class="ttdoc">双精度三维射线</div><div class="ttdef"><b>Definition:</b> <a href="line_8h_source.html#l00141">line.h:141</a></div></div>
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<div class="ttc" id="anamespacevde_1_1core_html_a2d5a2fbdd5b868a1f767d069322d0acd"><div class="ttname"><a href="namespacevde_1_1core.html#a2d5a2fbdd5b868a1f767d069322d0acd">vde::core::Triangle3D</a></div><div class="ttdeci">Triangle< double > Triangle3D</div><div class="ttdoc">双精度三维三角形</div><div class="ttdef"><b>Definition:</b> <a href="triangle_8h_source.html#l00105">triangle.h:105</a></div></div>
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<div class="ttc" id="anamespacevde_1_1core_html_a5e6679209cad0695e1b9d088c4b0e224"><div class="ttname"><a href="namespacevde_1_1core.html#a5e6679209cad0695e1b9d088c4b0e224">vde::core::AABB3D</a></div><div class="ttdeci">AABB< double > AABB3D</div><div class="ttdoc">双精度三维包围盒</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00131">aabb.h:131</a></div></div>
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<div class="ttc" id="anamespacevde_1_1core_html_ab763c018d19e10e91a6c6d6ab2ccc8e0"><div class="ttname"><a href="namespacevde_1_1core.html#ab763c018d19e10e91a6c6d6ab2ccc8e0">vde::core::Vector3D</a></div><div class="ttdeci">foundation::Vector3D Vector3D</div><div class="ttdoc">双精度三维向量（重新导出）</div><div class="ttdef"><b>Definition:</b> <a href="point_8h_source.html#l00049">point.h:49</a></div></div>
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<div class="ttc" id="anamespacevde_1_1core_html_ac6aed70c4b90d13f10217267cd7a1952"><div class="ttname"><a href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">vde::core::Point3D</a></div><div class="ttdeci">foundation::Point3D Point3D</div><div class="ttdoc">双精度三维点（重新导出）</div><div class="ttdef"><b>Definition:</b> <a href="point_8h_source.html#l00031">point.h:31</a></div></div>
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<div class="ttc" id="anamespacevde_1_1spatial_html"><div class="ttname"><a href="namespacevde_1_1spatial.html">vde::spatial</a></div><div class="ttdef"><b>Definition:</b> <a href="bvh_8h_source.html#l00020">bvh.h:20</a></div></div>
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<div class="ttc" id="aspatial__index_8h_html"><div class="ttname"><a href="spatial__index_8h.html">spatial_index.h</a></div><div class="ttdoc">空间索引抽象基类</div></div>
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<div class="ttc" id="astructvde_1_1spatial_1_1RTreeNode_html"><div class="ttname"><a href="structvde_1_1spatial_1_1RTreeNode.html">vde::spatial::RTreeNode</a></div><div class="ttdoc">R 树节点</div><div class="ttdef"><b>Definition:</b> <a href="r__tree_8h_source.html#l00032">r_tree.h:32</a></div></div>
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<div class="ttc" id="astructvde_1_1spatial_1_1RTreeNode_html_a118e1c086ddb3fb8c597d9d33fa46de4"><div class="ttname"><a href="structvde_1_1spatial_1_1RTreeNode.html#a118e1c086ddb3fb8c597d9d33fa46de4">vde::spatial::RTreeNode::is_leaf</a></div><div class="ttdeci">bool is_leaf</div><div class="ttdef"><b>Definition:</b> <a href="r__tree_8h_source.html#l00034">r_tree.h:34</a></div></div>
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<div class="ttc" id="astructvde_1_1spatial_1_1RTreeNode_html_a292be37d54b70f1a334d54ca6e849f0d"><div class="ttname"><a href="structvde_1_1spatial_1_1RTreeNode.html#a292be37d54b70f1a334d54ca6e849f0d">vde::spatial::RTreeNode::children</a></div><div class="ttdeci">std::vector< size_t > children</div><div class="ttdef"><b>Definition:</b> <a href="r__tree_8h_source.html#l00035">r_tree.h:35</a></div></div>
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<div class="ttc" id="astructvde_1_1spatial_1_1RTreeNode_html_a554470d3985a3ac82c1fb95301324d88"><div class="ttname"><a href="structvde_1_1spatial_1_1RTreeNode.html#a554470d3985a3ac82c1fb95301324d88">vde::spatial::RTreeNode::item_indices</a></div><div class="ttdeci">std::vector< size_t > item_indices</div><div class="ttdef"><b>Definition:</b> <a href="r__tree_8h_source.html#l00036">r_tree.h:36</a></div></div>
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<div class="ttc" id="astructvde_1_1spatial_1_1RTreeNode_html_a633be421e9d8be7232295b46f0eb517e"><div class="ttname"><a href="structvde_1_1spatial_1_1RTreeNode.html#a633be421e9d8be7232295b46f0eb517e">vde::spatial::RTreeNode::parent</a></div><div class="ttdeci">size_t parent</div><div class="ttdef"><b>Definition:</b> <a href="r__tree_8h_source.html#l00037">r_tree.h:37</a></div></div>
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<div class="ttc" id="astructvde_1_1spatial_1_1RTreeNode_html_aba1b3383b4a355f349019f26cc20868b"><div class="ttname"><a href="structvde_1_1spatial_1_1RTreeNode.html#aba1b3383b4a355f349019f26cc20868b">vde::spatial::RTreeNode::bbox</a></div><div class="ttdeci">AABB3D bbox</div><div class="ttdef"><b>Definition:</b> <a href="r__tree_8h_source.html#l00033">r_tree.h:33</a></div></div>
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