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<ul class="navigation"><li class="prev"><a accesskey="p" class="prev" href="WSa285fff53dea4f8617383751001ea8cb3f-7140a.html" title="更改标尺和度量单位"><img src="images/blank.gif" alt="上一页" width="17" height="17" /></a></li><li class="next"><a accesskey="n" class="next" href="WSa285fff53dea4f8617383751001ea8cb3f-7139a.html" title="度量对象"><img src="images/blank.gif" alt="下一页" width="17" height="17" /></a></li></ul><div class="hierarchy"><a href="WSa285fff53dea4f8617383751001ea8cb3f-715ca.html">版面</a> /
     <a href="WSfd1234e1c4b69f30d2a5051004d659b1c-7ff0a.html"><b>标尺和度量单位</b></a> 
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                <h1>
                    更改零点
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                <br clear="both" /><div id="minitoc"><div class="t"><div class="b"><div class="l"><div class="r"><div class="bl"><div class="br"><div class="tl"><div class="tr"><div><h3>目录 [<a href="#" onclick="return toggleMiniToc('minitoc-links', this);" class="hideLink">隐藏</a>]</h3><ul id="minitoc-links"><li><p><a href="#WSa285fff53dea4f8617383751001ea8cb3f-713ba"><h1 class="topictitle1">调整零点</h1>
</a></p></li><li><p><a href="#WSa285fff53dea4f8617383751001ea8cb3f-713aa"><h1 class="topictitle1">更改默认零点</h1>
</a></p></li></ul></div></div><br clear="both" /></div></div></div></div></div></div></div></div><br clear="both" /><div><div class="section"><p><dfn class="term">零点</dfn>是水平和垂直标尺的零点重合的位置。默认情况下，零点位于各个跨页的第一页的左上角。这意味着零点的默认位置相对于跨页来说始终相同，但是相对于粘贴板来说可能会有变化。</p>
<p>“控制”面板、“信息”面板和“变换”面板中显示的 X 和 Y 位置坐标是相对于零点而言的。可以移动零点来度量距离、创建新的度量参考点或拼贴超过尺寸的页面。默认情况下，每个跨页在第一个页的左上角有一个零点，但是也可以在装订书籍时定位该零点，或指定跨页中的每个页面都有各自的零点。</p>
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<div id="WSa285fff53dea4f8617383751001ea8cb3f-713ba" class="nochunk"><a name="WSa285fff53dea4f8617383751001ea8cb3f-713ba"></a><h3 class="topictitle3">调整零点</h3><div><div class="section"><p>移动零点时，在所有跨页中，它都将移动到相同的相对位置。例如，如果将零点移动到页面跨页的第二页的左上角，则在该文档中的所有其它跨页的第二页上，零点都将显示在该位置。</p>
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<div class="p"><span><img src="images/dingbat.png" />&#160;执行以下操作之一：</span><ul><li><p>要移动零点，请从水平和垂直标尺的交叉点单击并拖动到版面上要设置零点的位置。</p>
<div class="fignone"><img alt="" id="ty_05" src="images/ty_05.png" /><div class="figdesc">建立新零点</div><br /></div></li>
<li><p>要重新设置零点，请双击水平和垂直标尺的交叉点 <img src="images/horzvert.png" />。</p>
</li>
<li><p>要锁定或解锁零点，请右键单击 (Windows) 或按住 Control 键并单击 (Mac OS) 标尺的零点，然后在上下文菜单中选择“锁定零点”或“解锁零点”。</p>
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<div id="WSa285fff53dea4f8617383751001ea8cb3f-713aa" class="nochunk"><a name="WSa285fff53dea4f8617383751001ea8cb3f-713aa"></a><h3 class="topictitle3">更改默认零点</h3><div><div class="section"><p>使用“首选项”对话框中的“原点”设置，可以设置标尺的默认零点以及水平标尺的范围。<dfn class="term">范围</dfn>用于确定标尺是在整个页面进行度量、在整个跨页进行度量还是从最左侧的页面度量到书脊并从书脊向外度量（对于多页跨页而言）。 </p>
<p>如果将标尺原点设置在各个跨页的装订书脊，该原点将锁定在书脊。您将无法通过从标尺的交叉点拖动标尺原点来调整原点位置，除非您选择其它原点选项。</p>
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<ol><li><span>选择“编辑”&gt;“首选项”&gt;&amp;#x201c;单位和增量”(Windows) 或“InDesign”&gt;“首选项”&gt;“单位和增量”(Mac OS)。</span></li>
<li><span>在“标尺单位”部分的“原点”菜单中，执行以下操作之一：</span><ul><li><p>要将标尺原点设在各个跨页的左上角，请选择“跨页”。水平标尺可以度量整个跨页。</p>
</li>
<li><p>要将标尺原点设在各个页面的左上角，请选择“页面”。水平标尺将起始于跨页中各个页面的零点。</p>
</li>
<li><p>要将多页跨页的标尺原点设置在最左侧页面的左上角，以及装订书脊的顶部，请选择“书脊”。水平标尺从最左侧页面度量到装订书脊，并从装订书脊度量到最右侧的页面。</p>
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</ul>
</li>
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<div class="section"><div class="tip"><img src="images/tip_help.png" />也可以使用在右键单击 (Windows) 或按住 Control 键单击 (Mac OS) 水平标尺时显示的上下文菜单来更改水平标尺原点设置。</div></div>
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