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      <title>NX to AP214 G5 Brep model</title>
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      <div class="title_topic4" id="xps10_pagetitle">NX to AP214 G5 Brep model</div>
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      <div class="title_division">G5 &ndash; Advanced boundary representation solids</div>
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         <tr bgcolor="#C0C0C0" valign="top">
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               <p class="para_th">NX Entity</p>
            </th>
            <th bgcolor="#c0c0c0" colspan="1" rowspan="1" valign="top">
               <p class="para_th">STEP Entity</p>
            </th>
            <th bgcolor="#c0c0c0" colspan="3" rowspan="1" valign="top">
               <p class="para_th">Notes</p>
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         </tr>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top"></td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">advanced_brep_shape_representation</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">7</p>
            </td>
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         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">body (solid bodies)</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">manifold_solid_brep</p>
               <p class="para_td">brep_with_voids</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">1</p>
            </td>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">shell</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">closed_shell</p>
               <p class="para_td">oriented_closed_shell</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">8</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">face</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">advanced_face</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; b-surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; b_spline_surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">3</p>
            </td>
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         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; cone</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; Conical_surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; cylinder</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; Cylindrical_surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; plane</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; Plane</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; sphere</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; Spherical_surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; torus</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; Toroidal_surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
         </tr>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; surface of revolution</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; Surface_of_revolution</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
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         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; extruded surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; Surface_of_linear_extrusion</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; offset surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; b_spline_surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">2, 3</p>
            </td>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; blending surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; b_spline_surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">2, 3</p>
            </td>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; degenerate (apple/lemon)</p>
               <p class="para_td">&nbsp; torus</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; b_spline_surface</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">2, 3, 4</p>
            </td>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">loop</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">face_bound&rarr;edge_loop</p>
               <p class="para_td">face_bound&rarr;vertex_loop</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">6</p>
            </td>
         </tr>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">edge</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">oriented_edge&rarr;edge_curve</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
         </tr>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; b-curve</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; b_spline_curve</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">5</p>
            </td>
         </tr>
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; circle</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; Circle</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; ellipse</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; Ellipse</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; line</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; Line</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; intersection curve</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; b_spline_curve</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">2, 5</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; sp-curve</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; b_spline_curve</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">2, 5</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; trimmed curve</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; b_spline_curve</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">2, 5</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">vertex</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">vertex_point</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
         </tr>
         <tr bgcolor="#F0F0F0" valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; point</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">&nbsp; Cartesian_point</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="3" rowspan="1" valign="top">
               <p class="para_td">&ndash;</p>
            </td>
         </tr>
      </table><br><p class="para_division">NOTES</p>
      <table cellpadding="2" cellspacing="4" width="95%" align="center">
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            <col span="1" width="157*">
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            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">Note 1</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">A STEP brep_with_voids entity is generated if the NX solid body contains voids.</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">Note 2</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">This NX entity is approximated to the STEP b_spline representation</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">Note 3</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">Either a STEP b_spline_surface_with_knots or</p>
               <p class="para_td">b_spline_surface_with_ knots_and_rational_b_spline_surface entity is generated.</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">Note 4</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">An apple is defined as a NX toroidal surface whose major radius is positive and smaller than said toroidal surface's minor radius. A lemon is defined as a NX toroidal surface whose major radius is negative and whose sum of said toroidal surface's major and minor radius is positive.</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">Note 5</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">Either a STEP b_spline_curve_with_knots or</p>
               <p class="para_td">b_spline_curve_with_ knots_and_rational_b_spline_curve entity is generated.</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">Note 6</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">A STEP vertex_loop entity is generated in cases where a NX loop has no edges (tip of a cone) or a NX face has no loops (full torus or full sphere).</p>
            </td>
         </tr>
         <tr valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">Note 7</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">If one or more solid body entities exist in the NX part, one advanced_brep_shape_representation STEP entity is created.</p>
            </td>
         </tr>
         <tr bgcolor="#F0F0F0" valign="top">
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">Note 8</p>
            </td>
            <td bgcolor="#f7f7f7" colspan="1" rowspan="1" valign="top">
               <p class="para_td">If the NX body contains voids, then a closed_shell is created for the outer body and oriented_closed_shell entities generated for the inner voids.</p>
            </td>
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