茂之钳
177 lines
22 KiB
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177 lines
22 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="kd__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 <vector></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  </div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</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="l00016"></a><span class="lineno"> 16</span> <span class="keyword">using</span> <a class="code" href="namespacevde_1_1core.html#a5e6679209cad0695e1b9d088c4b0e224">core::AABB3D</a>;</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</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="l00018"></a><span class="lineno"> 18</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="l00019"></a><span class="lineno"> 19</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="l00020"></a><span class="lineno"> 20</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="l00021"></a><span class="lineno"> 21</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1KDTree.html"> 48</a></span> <span class="keyword">class </span><a class="code" href="classvde_1_1spatial_1_1KDTree.html">KDTree</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="l00049"></a><span class="lineno"> 49</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1KDTree.html#af4f05befd943a75678ae774f488dc02e"> 58</a></span>  <span class="keywordtype">void</span> <a class="code" href="classvde_1_1spatial_1_1KDTree.html#af4f05befd943a75678ae774f488dc02e">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="l00059"></a><span class="lineno"> 59</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1KDTree.html#a4c17d9ce3f29ded0066736ff44a057fb"> 65</a></span>  <span class="keywordtype">void</span> <a class="code" href="classvde_1_1spatial_1_1KDTree.html#a4c17d9ce3f29ded0066736ff44a057fb">insert</a>(<span class="keyword">const</span> T& item) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
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<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1KDTree.html#a4b217b60d51468d18f7e0a15defa02e7"> 73</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classvde_1_1spatial_1_1KDTree.html#a4b217b60d51468d18f7e0a15defa02e7">remove</a>(<span class="keyword">const</span> T& item) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1KDTree.html#a379b11a29bec58d541a6d7457a955ac4"> 83</a></span>  std::vector<T> <a class="code" href="classvde_1_1spatial_1_1KDTree.html#a379b11a29bec58d541a6d7457a955ac4">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="l00084"></a><span class="lineno"> 84</span>  </div>
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<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1KDTree.html#a808f7a199ca2046a51bfd85c6dfbaa1e"> 95</a></span>  std::vector<T> <a class="code" href="classvde_1_1spatial_1_1KDTree.html#a808f7a199ca2046a51bfd85c6dfbaa1e">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="l00096"></a><span class="lineno"> 96</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1KDTree.html#a24899ae6305ff7ebc0899736adcf7ff4"> 103</a></span>  std::vector<T> <a class="code" href="classvde_1_1spatial_1_1KDTree.html#a24899ae6305ff7ebc0899736adcf7ff4">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="l00104"></a><span class="lineno"> 104</span>  </div>
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<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1KDTree.html#ac2ad26d117fc2abe05cf3ea4a2303bce"> 108</a></span>  <span class="keywordtype">void</span> <a class="code" href="classvde_1_1spatial_1_1KDTree.html#ac2ad26d117fc2abe05cf3ea4a2303bce">clear</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
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<div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classvde_1_1spatial_1_1KDTree.html#a2e33bb4e110b7006f095644aa8532ed2"> 115</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classvde_1_1spatial_1_1KDTree.html#a2e33bb4e110b7006f095644aa8532ed2">size</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> items_.size(); }</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">struct </span>Node {</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="namespacevde_1_1core.html#a5e6679209cad0695e1b9d088c4b0e224">AABB3D</a> bounds; </div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">int</span> item_idx = -1; </div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">int</span> split_axis = 0; </div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">int</span> left = -1; </div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> right = -1; </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  };</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  std::vector<T> items_; </div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  std::vector<Node> nodes_; </div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">int</span> root_ = -1; </div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">static</span> <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a> get_position(<span class="keyword">const</span> T& item);</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">static</span> <a class="code" href="namespacevde_1_1core.html#a5e6679209cad0695e1b9d088c4b0e224">AABB3D</a> get_aabb(<span class="keyword">const</span> T& item);</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> ray_hits_item(<span class="keyword">const</span> T& item, <span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#a04dc76bd933ba44d1aed5cd6d24bebeb">Ray3Dd</a>& ray);</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  </div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordtype">int</span> build_recursive(<span class="keywordtype">int</span> start, <span class="keywordtype">int</span> end);</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  </div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordtype">void</span> query_range_recursive(<span class="keywordtype">int</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="l00175"></a><span class="lineno"> 175</span>  std::vector<T>& result) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordtype">void</span> query_ray_recursive(<span class="keywordtype">int</span> node_idx, <span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#a04dc76bd933ba44d1aed5cd6d24bebeb">Ray3Dd</a>& ray,</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  std::vector<T>& result) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> };</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> } <span class="comment">// namespace vde::spatial</span></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1KDTree_html"><div class="ttname"><a href="classvde_1_1spatial_1_1KDTree.html">vde::spatial::KDTree</a></div><div class="ttdoc">k-d 树空间索引</div><div class="ttdef"><b>Definition:</b> <a href="kd__tree_8h_source.html#l00048">kd_tree.h:48</a></div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1KDTree_html_a24899ae6305ff7ebc0899736adcf7ff4"><div class="ttname"><a href="classvde_1_1spatial_1_1KDTree.html#a24899ae6305ff7ebc0899736adcf7ff4">vde::spatial::KDTree::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_1KDTree_html_a2e33bb4e110b7006f095644aa8532ed2"><div class="ttname"><a href="classvde_1_1spatial_1_1KDTree.html#a2e33bb4e110b7006f095644aa8532ed2">vde::spatial::KDTree::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="kd__tree_8h_source.html#l00115">kd_tree.h:115</a></div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1KDTree_html_a379b11a29bec58d541a6d7457a955ac4"><div class="ttname"><a href="classvde_1_1spatial_1_1KDTree.html#a379b11a29bec58d541a6d7457a955ac4">vde::spatial::KDTree::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_1KDTree_html_a4b217b60d51468d18f7e0a15defa02e7"><div class="ttname"><a href="classvde_1_1spatial_1_1KDTree.html#a4b217b60d51468d18f7e0a15defa02e7">vde::spatial::KDTree::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_1KDTree_html_a4c17d9ce3f29ded0066736ff44a057fb"><div class="ttname"><a href="classvde_1_1spatial_1_1KDTree.html#a4c17d9ce3f29ded0066736ff44a057fb">vde::spatial::KDTree::insert</a></div><div class="ttdeci">void insert(const T &item) override</div><div class="ttdoc">插入单个对象</div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1KDTree_html_a808f7a199ca2046a51bfd85c6dfbaa1e"><div class="ttname"><a href="classvde_1_1spatial_1_1KDTree.html#a808f7a199ca2046a51bfd85c6dfbaa1e">vde::spatial::KDTree::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_1KDTree_html_ac2ad26d117fc2abe05cf3ea4a2303bce"><div class="ttname"><a href="classvde_1_1spatial_1_1KDTree.html#ac2ad26d117fc2abe05cf3ea4a2303bce">vde::spatial::KDTree::clear</a></div><div class="ttdeci">void clear() override</div><div class="ttdoc">清空 k-d 树</div></div>
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<div class="ttc" id="aclassvde_1_1spatial_1_1KDTree_html_af4f05befd943a75678ae774f488dc02e"><div class="ttname"><a href="classvde_1_1spatial_1_1KDTree.html#af4f05befd943a75678ae774f488dc02e">vde::spatial::KDTree::build</a></div><div class="ttdeci">void build(const std::vector< T > &items) override</div><div class="ttdoc">批量构建 k-d 树</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_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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