茂之钳
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184 lines
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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="#namespaces">命名空间</a> |
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<div class="title">brep_boolean.h 文件参考<div class="ingroups"><a class="el" href="group__brep.html">B-Rep 模块 (vde::brep)</a></div></div> </div>
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</div><!--header-->
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<div class="contents">
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<p>B-Rep 级别的布尔运算
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<a href="#details">更多...</a></p>
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<div class="textblock"><code>#include "<a class="el" href="brep_8h_source.html">vde/brep/brep.h</a>"</code><br />
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</div><div class="textblock"><div class="dynheader">
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brep_boolean.h 的引用(Include)关系图:</div>
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<div class="center"><img src="brep__boolean_8h__incl.png" border="0" usemap="#ainclude_2vde_2brep_2brep__boolean_8h" alt=""/></div>
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<p><a href="brep__boolean_8h_source.html">浏览源代码.</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="namespaces"></a>
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命名空间</h2></td></tr>
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<tr class="memitem:namespacevde"><td class="memItemLeft" align="right" valign="top">  </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde.html">vde</a></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:namespacevde_1_1brep"><td class="memItemLeft" align="right" valign="top">  </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde_1_1brep.html">vde::brep</a></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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函数</h2></td></tr>
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<tr class="memitem:ac7a54f4f6bdf3d2a3bce1a89e8c5efa3"><td class="memItemLeft" align="right" valign="top">BrepModel </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde_1_1brep.html#ac7a54f4f6bdf3d2a3bce1a89e8c5efa3">vde::brep::brep_union</a> (const BrepModel &a, const BrepModel &b)</td></tr>
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<tr class="memdesc:ac7a54f4f6bdf3d2a3bce1a89e8c5efa3"><td class="mdescLeft"> </td><td class="mdescRight">B-Rep 布尔并集: A ∪ B <a href="namespacevde_1_1brep.html#ac7a54f4f6bdf3d2a3bce1a89e8c5efa3">更多...</a><br /></td></tr>
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<tr class="separator:ac7a54f4f6bdf3d2a3bce1a89e8c5efa3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad0d6ccc5efd27284186371edd0564543"><td class="memItemLeft" align="right" valign="top">BrepModel </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde_1_1brep.html#ad0d6ccc5efd27284186371edd0564543">vde::brep::brep_intersection</a> (const BrepModel &a, const BrepModel &b)</td></tr>
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<tr class="memdesc:ad0d6ccc5efd27284186371edd0564543"><td class="mdescLeft"> </td><td class="mdescRight">B-Rep 布尔交集: A ∩ B <a href="namespacevde_1_1brep.html#ad0d6ccc5efd27284186371edd0564543">更多...</a><br /></td></tr>
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<tr class="separator:ad0d6ccc5efd27284186371edd0564543"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aad386807586a7bb9d6fca95c27f0d7f0"><td class="memItemLeft" align="right" valign="top">BrepModel </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde_1_1brep.html#aad386807586a7bb9d6fca95c27f0d7f0">vde::brep::brep_difference</a> (const BrepModel &a, const BrepModel &b)</td></tr>
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<tr class="memdesc:aad386807586a7bb9d6fca95c27f0d7f0"><td class="mdescLeft"> </td><td class="mdescRight">B-Rep 布尔差集: A \ B <a href="namespacevde_1_1brep.html#aad386807586a7bb9d6fca95c27f0d7f0">更多...</a><br /></td></tr>
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<tr class="separator:aad386807586a7bb9d6fca95c27f0d7f0"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">详细描述</h2>
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<div class="textblock"><p>B-Rep 级别的布尔运算 </p>
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<p>对 BrepModel 实体执行精确的布尔运算，区别于基于网格的布尔运算 （后者通过 <a class="el" href="mesh__boolean_8h.html">mesh_boolean.h</a> 提供）。</p>
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<h2><a class="anchor" id="autotoc_md5"></a>
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B-Rep 布尔运算 vs 网格布尔运算</h2>
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<table class="markdownTable">
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<tr class="markdownTableHead">
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<th class="markdownTableHeadNone">特性 </th><th class="markdownTableHeadNone">B-Rep 布尔 </th><th class="markdownTableHeadNone">网格布尔 </th></tr>
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<tr class="markdownTableRowOdd">
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<td class="markdownTableBodyNone">精度 </td><td class="markdownTableBodyNone">精确（解析曲面） </td><td class="markdownTableBodyNone">近似（离散三角形） </td></tr>
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<tr class="markdownTableRowEven">
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<td class="markdownTableBodyNone">速度 </td><td class="markdownTableBodyNone">较慢（需要曲面交线计算） </td><td class="markdownTableBodyNone">较快 </td></tr>
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<tr class="markdownTableRowOdd">
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<td class="markdownTableBodyNone">输出 </td><td class="markdownTableBodyNone">B-Rep 模型 </td><td class="markdownTableBodyNone">三角网格 </td></tr>
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<tr class="markdownTableRowEven">
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<td class="markdownTableBodyNone">适用场景 </td><td class="markdownTableBodyNone">CAD 精确建模 </td><td class="markdownTableBodyNone">实时/渲染/快速原型 </td></tr>
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</table>
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<h2><a class="anchor" id="autotoc_md6"></a>
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典型工作流</h2>
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<ol type="1">
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<li>通过 <a class="el" href="modeling_8h.html" title="高层 B-Rep 建模 API">modeling.h</a> 创建基本体（如 make_box + make_cylinder）</li>
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<li>使用本文件的布尔运算组合它们</li>
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<li>通过 to_mesh() 或 <a class="el" href="namespacevde_1_1brep.html#a5d766baac8a4f9dfc44b739e4c5eef5c" title="将 B-Rep 体导出为 STEP AP214 字符串">export_step()</a> 导出结果 </li>
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</ol>
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<p class="definition">在文件 <a class="el" href="brep__boolean_8h_source.html">brep_boolean.h</a> 中定义.</p>
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_36dfe8171299c47a6036082559f11ede.html">vde</a></li><li class="navelem"><a class="el" href="dir_205e212456d522bdac4a39ff7c3170ca.html">brep</a></li><li class="navelem"><a class="el" href="brep__boolean_8h.html">brep_boolean.h</a></li>
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<li class="footer">生成于 2026年 七月 24日 星期五 11:21:23 , 为 ViewDesignEngine使用 <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1 </li>
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