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<p>STEP 文件导入（ISO 10303）  
<a href="#details">更多...</a></p>
<div class="textblock"><code>#include &quot;<a class="el" href="brep_8h_source.html">vde/brep/brep.h</a>&quot;</code><br />
<code>#include &lt;string&gt;</code><br />
<code>#include &lt;vector&gt;</code><br />
</div><div class="textblock"><div class="dynheader">
step_import.h 的引用(Include)关系图:</div>
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<p><a href="step__import_8h_source.html">浏览源代码.</a></p>
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命名空间</h2></td></tr>
<tr class="memitem:namespacevde"><td class="memItemLeft" align="right" valign="top"> &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde.html">vde</a></td></tr>
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<tr class="memitem:namespacevde_1_1brep"><td class="memItemLeft" align="right" valign="top"> &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde_1_1brep.html">vde::brep</a></td></tr>
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枚举</h2></td></tr>
<tr class="memitem:add9286f426ba3fed65f107ac2e73c4ef"><td class="memItemLeft" align="right" valign="top">enum class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde_1_1brep.html#add9286f426ba3fed65f107ac2e73c4ef">vde::brep::StepError</a> { <br />
&#160;&#160;<a class="el" href="namespacevde_1_1brep.html#add9286f426ba3fed65f107ac2e73c4efaa60852f204ed8028c1c58808b746d115">vde::brep::Ok</a> = 0
, <a class="el" href="namespacevde_1_1brep.html#add9286f426ba3fed65f107ac2e73c4efa2767828026039e8ba7b38973cbb701f2">vde::brep::FileNotFound</a>
, <a class="el" href="namespacevde_1_1brep.html#add9286f426ba3fed65f107ac2e73c4efae41199faa7290c167f70f314c5e6c165">vde::brep::ParseError</a>
, <a class="el" href="namespacevde_1_1brep.html#add9286f426ba3fed65f107ac2e73c4efae39ad990effe3b4cd951b6ae7c642b66">vde::brep::InvalidHeader</a>
, <br />
&#160;&#160;<a class="el" href="namespacevde_1_1brep.html#add9286f426ba3fed65f107ac2e73c4efae255a2cbc212a3d28b7d45a7bde32af2">vde::brep::UnsupportedSchema</a>
, <a class="el" href="namespacevde_1_1brep.html#add9286f426ba3fed65f107ac2e73c4efabe1779400b67a7fef4fa5bf93ec5e18f">vde::brep::MissingEntity</a>
, <a class="el" href="namespacevde_1_1brep.html#add9286f426ba3fed65f107ac2e73c4efa764a35d8475730750db2c0eb069d2443">vde::brep::EntityTypeError</a>
<br />
 }</td></tr>
<tr class="memdesc:add9286f426ba3fed65f107ac2e73c4ef"><td class="mdescLeft">&#160;</td><td class="mdescRight">STEP 导入错误码  <a href="namespacevde_1_1brep.html#add9286f426ba3fed65f107ac2e73c4ef">更多...</a><br /></td></tr>
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函数</h2></td></tr>
<tr class="memitem:ae24e129af52f39a772efac984415ff8d"><td class="memItemLeft" align="right" valign="top">std::vector&lt; BrepModel &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde_1_1brep.html#ae24e129af52f39a772efac984415ff8d">vde::brep::import_step</a> (const std::string &amp;filepath)</td></tr>
<tr class="memdesc:ae24e129af52f39a772efac984415ff8d"><td class="mdescLeft">&#160;</td><td class="mdescRight">从文件导入 STEP（AP203/AP214）  <a href="namespacevde_1_1brep.html#ae24e129af52f39a772efac984415ff8d">更多...</a><br /></td></tr>
<tr class="separator:ae24e129af52f39a772efac984415ff8d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae5d3e4ac3043b36e38a7734ea5592518"><td class="memItemLeft" align="right" valign="top">std::vector&lt; BrepModel &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde_1_1brep.html#ae5d3e4ac3043b36e38a7734ea5592518">vde::brep::import_step_from_string</a> (const std::string &amp;step_data)</td></tr>
<tr class="memdesc:ae5d3e4ac3043b36e38a7734ea5592518"><td class="mdescLeft">&#160;</td><td class="mdescRight">从字符串导入 STEP（用于测试和嵌入式场景）  <a href="namespacevde_1_1brep.html#ae5d3e4ac3043b36e38a7734ea5592518">更多...</a><br /></td></tr>
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<tr class="memitem:a282cb1ce3142931d20330e95e25c1460"><td class="memItemLeft" align="right" valign="top">StepError&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde_1_1brep.html#a282cb1ce3142931d20330e95e25c1460">vde::brep::step_last_error</a> ()</td></tr>
<tr class="memdesc:a282cb1ce3142931d20330e95e25c1460"><td class="mdescLeft">&#160;</td><td class="mdescRight">获取最近一次 STEP 导入的错误码  <a href="namespacevde_1_1brep.html#a282cb1ce3142931d20330e95e25c1460">更多...</a><br /></td></tr>
<tr class="separator:a282cb1ce3142931d20330e95e25c1460"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad744c4e7d42f2f8f7a02ffa6daf72d6e"><td class="memItemLeft" align="right" valign="top">const std::string &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacevde_1_1brep.html#ad744c4e7d42f2f8f7a02ffa6daf72d6e">vde::brep::step_last_error_message</a> ()</td></tr>
<tr class="memdesc:ad744c4e7d42f2f8f7a02ffa6daf72d6e"><td class="mdescLeft">&#160;</td><td class="mdescRight">获取最近一次 STEP 导入的可读错误描述  <a href="namespacevde_1_1brep.html#ad744c4e7d42f2f8f7a02ffa6daf72d6e">更多...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">详细描述</h2>
<div class="textblock"><p>STEP 文件导入（ISO 10303） </p>
<p>解析 STEP AP203/AP214 格式文件并转换为 B-Rep 模型。</p>
<h2><a class="anchor" id="autotoc_md18"></a>
STEP 格式概述</h2>
<p>STEP (STandard for the Exchange of Product model data) 是 ISO 10303 标准 定义的 CAD 数据交换格式。AP203 和 AP214 是最常用子集，支持：</p><ul>
<li>实体和曲面几何体</li>
<li>产品结构和装配关系</li>
<li>材料、颜色等元数据</li>
</ul>
<h2><a class="anchor" id="autotoc_md19"></a>
支持的实体类型</h2>
<ul>
<li><b>曲线</b>: LINE, CIRCLE, B_SPLINE_CURVE_WITH_KNOTS</li>
<li><b>曲面</b>: PLANE, CYLINDRICAL_SURFACE, B_SPLINE_SURFACE_WITH_KNOTS</li>
<li><b>拓扑</b>: CLOSED_SHELL, ADVANCED_FACE, FACE_OUTER_BOUND, EDGE_LOOP, ORIENTED_EDGE, VERTEX_POINT</li>
</ul>
<h2><a class="anchor" id="autotoc_md20"></a>
错误处理</h2>
<p>使用 <a class="el" href="namespacevde_1_1brep.html#a282cb1ce3142931d20330e95e25c1460" title="获取最近一次 STEP 导入的错误码">step_last_error()</a> 和 <a class="el" href="namespacevde_1_1brep.html#ad744c4e7d42f2f8f7a02ffa6daf72d6e" title="获取最近一次 STEP 导入的可读错误描述">step_last_error_message()</a> 检查最近一次导入的失败原因。 </p>

<p class="definition">在文件 <a class="el" href="step__import_8h_source.html">step_import.h</a> 中定义.</p>
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