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<h1 class="firstHeading">Tutorial:ACIS Tutorials (ACIS Tolerances)</h1>
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background-color:#e3e5e7; font-size:90%; line-height:0.95em; border:1px solid #A3B1BF; border-bottom:solid 2px #A3B1BF" width="20"> <a href="/r18/index.php/Tutorial:ACIS_Tutorials_%28Model_Topology%29" title="Tutorial:ACIS Tutorials (Model Topology)">Topology</a></td><td style="border-bottom:2px solid #A3B1BF" width="3"> </td><td style="padding:0.5em; background-color:#e3e5e7; font-size:90%; line-height:0.95em; border:1px solid #A3B1BF; border-bottom:solid 2px #A3B1BF" width="20"> <a href="/r18/index.php/Tutorial:ACIS_Tutorials_%28Geometry%29" title="Tutorial:ACIS Tutorials (Geometry)">Geometry</a></td><td style="border-bottom:2px solid #A3B1BF" width="3"> </td><td style="padding:0.5em; background-color:#e3e5e7; font-size:90%; line-height:0.95em; border:1px solid #A3B1BF; border-bottom:solid 2px #A3B1BF" width="20"> <a href="/r18/index.php/Tutorial:ACIS_Tutorials_%28Math_Classes%29" title="Tutorial:ACIS Tutorials (Math Classes)">Math Classes</a></td><td style="border-bottom:2px solid #A3B1BF" width="3"> </td><td style="padding:0.5em; background-color:white; line-height:0.95em; border:solid 2px #A3B1BF; border-bottom:0; font-weight:bold;" width="20"> <strong class="selflink">Tolerances</strong></td><td style="border-bottom:2px solid #A3B1BF" width="3"> </td><td style="padding:0.5em; background-color:#e3e5e7; font-size:90%; line-height:0.95em; border:1px solid #A3B1BF; border-bottom:solid 2px #A3B1BF" width="20"> <a href="/r18/index.php/Tutorial:ACIS_Tutorials_%28Options%29" title="Tutorial:ACIS Tutorials (Options)">Options</a></td><td style="border-bottom:2px solid #A3B1BF" width="3"> </td><td style="padding:0.5em; background-color:#e3e5e7; font-size:90%; line-height:0.95em; border:1px solid #A3B1BF; border-bottom:solid 2px #A3B1BF" width="20"> <a href="/r18/index.php/Tutorial:ACIS_Tutorials_%28Memory_Management%29" title="Tutorial:ACIS Tutorials (Memory Management)">Memory Management</a></td><td style="border-bottom:2px solid #A3B1BF" width="3"> </td><td style="padding:0.5em; background-color:#e3e5e7; font-size:90%; line-height:0.95em; border:1px solid #A3B1BF; border-bottom:solid 2px #A3B1BF" width="20"> <a href="/r18/index.php/Tutorial:ACIS_Tutorials_%28Exception_Handling%29" title="Tutorial:ACIS Tutorials (Exception Handling)">Exception Handling</a></td><td style="border-bottom:2px solid #A3B1BF" width="3"> </td><td style="padding:0.5em; background-color:#e3e5e7; font-size:90%; line-height:0.95em; border:1px solid #A3B1BF; border-bottom:solid 2px #A3B1BF" width="20"> <a href="/r18/index.php/Tutorial:ACIS_Tutorials_%28History_Streams%29" title="Tutorial:ACIS Tutorials (History Streams)">History</a></td><td style="border-bottom:2px solid #A3B1BF" width="3"> </td><td style="padding:0.5em; background-color:#e3e5e7; font-size:90%; line-height:0.95em; border:1px solid #A3B1BF; border-bottom:solid 2px #A3B1BF" width="20"> <a href="/r18/index.php/Tutorial:ACIS_Tutorials_%28Attributes%29" title="Tutorial:ACIS Tutorials (Attributes)">Attributes</a></td><td style="border-bottom:2px solid #A3B1BF" width="3"> </td><td style="padding:0.5em; background-color:#e3e5e7; font-size:90%; line-height:0.95em; border:1px solid #A3B1BF; border-bottom:solid 2px #A3B1BF" width="20"> <a href="/r18/index.php/Tutorial:ACIS_Tutorials_%28Importing_Non-ACIS_Models%29" title="Tutorial:ACIS Tutorials (Importing Non-ACIS Models)">Importing Models</a></td><td style="border-bottom:2px solid #A3B1BF" width="3"> </td><td style="border-bottom:2px solid #A3B1BF" width="3000"> </td></tr></table><div style="border:2px solid #A3B1BF; padding:.5em 1em 1em 1em; border-top:none; background-color:#fff; color:#000"><a name="ACIS_Tolerances"></a><h2> <span class="mw-headline"> ACIS Tolerances</span></h2><div style="float:right;"><a href="http://doc.spatial.com/r18/index.php?title=Tutorial:ACIS_Tutorial_6:_ACIS_Tolerances&action=edit" class="external text" title="http://doc.spatial.com/r18/index.php?title=Tutorial:ACIS_Tutorial_6:_ACIS_Tolerances&action=edit" rel="nofollow"><span style="color: #000000">edit</span></a></div><table id="toc" class="toc" summary="Contents"><tr><td><div id="toctitle"><h2>Contents</h2></div><ul><li class="toclevel-1"><a href="#ACIS_Tolerances"><span class="tocnumber">1</span> <span class="toctext">ACIS Tolerances</span></a></li><li class="toclevel-1"><a href="#Global_Tolerances"><span class="tocnumber">2</span> <span class="toctext">Global Tolerances</span></a></li><li class="toclevel-1"><a href="#Aside:_Choosing_Units_for_an_Application"><span class="tocnumber">3</span> <span class="toctext">Aside: Choosing Units for an Application</span></a></li><li class="toclevel-1"><a href="#Local_Tolerances"><span class="tocnumber">4</span> <span class="toctext">Local Tolerances</span></a></li></ul></td></tr></table><script type="text/javascript"> if (window.showTocToggle) { var tocShowText = "show"; var tocHideText = "hide"; showTocToggle(); } </script><a name="Global_Tolerances"></a><h2> <span class="mw-headline"> Global Tolerances </span></h2><blockquote><i>One of the keys to a robust geometric modeling system is consistency. And, one of the keys to consistency in a geometric modeling system is using one tolerance for all geometric calculations.</i></blockquote> ⌨️ 快捷键说明
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