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<a name = "hj-top"> </a><table class = "table1" id = "table11"><tr><td><table class = "DocHeader"><tr><td class = "DocHeader1" colspan = "2"><h1>照相机</h1></td></tr><tr><td class = "DocHeader4" colspan = "2"/></tr><tr><td class = "DocHeader3" colspan = "2"><table class = "DocThemeIntro" id = "table12"><tr><td class = "Intro1Only"><p class = "header"><p class = "abstract">
    <span class = "shortdesc">
      <span class = "ph uicontrol">照相机</span>页面允许您设置照相机的首选项。</span>

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    <table class = "table frame-none"><caption/><colgroup><col/><col/></colgroup><thead class = "thead">
          <tr class = "row">
            <th class = "entry" id = "cps-c-cu-ApplicationPreferences-Camera__entry__1">选项</th>
            <th class = "entry" id = "cps-c-cu-ApplicationPreferences-Camera__entry__2">描述</th>
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        </thead><tbody class = "tbody">
          <tr class = "row">
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__1">
              <span class = "ph uicontrol">默认视角</span>
            </td>
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__2">
              <p>当处于透视模式时，定义透视角度。在透视模式中，角色大小取决于其距离照相机视口的距离。透视模式通常是眼睛所看到的视图。平行线逐渐远离以变成一个消失点。正交模式消除了远离照相机的影响（角色大小保持不变）。</p>
            </td>
          </tr>
          <tr class = "row">
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__1">
              <span class = "ph uicontrol">最小帧速</span>
            </td>
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__2">定义每秒传输的最少帧数 (fps)，介于 0 和 30 之间。在导航过程中，3D 内核将会调整细节级别以反映每秒传输的帧数。</td>
          </tr>
          <tr class = "row">
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__1">
              <span class = "ph uicontrol">自由旋转（无约束）</span>
            </td>
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__2">旋转时消除垂直约束。<table class = "Remark" id = "table132"><tr><td class = "Remark"><span class = "run-in.tip">提示:
				</span><span class = "notecontent">您还可以启用自由旋转，方法是在旋转的同时按下 <span class = "ph uicontrol">Ctrl</span> 键（<span class = "ph uicontrol">Ctrl</span>+鼠标右键）。</span></td></tr></table>
</td>
          </tr>
          <tr class = "row">
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__1">
              <span class = "ph uicontrol">惯性</span>
            </td>
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__2">使照相机在旋转或平移模型后继续移动。旋转或平移模型越快，停止时移动的距离就越大。</td>
          </tr>
          <tr class = "row">
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__1">
              <span class = "ph uicontrol">所有视口窗口通用的导航模式</span>
            </td>
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__2">对所有的文档视口窗格都使用相同的导航模式。要使用不同的模式（例如，要在一个窗格中使用<span class = "ph uicontrol">旋转模式</span>并在另一个窗格中使用<span class = "ph uicontrol">平移模式</span>），请清除此选项。<table class = "Remark" id = "table132"><tr><td class = "Remark"><span class = "run-in.tip">提示:
				</span><span class = "notecontent">要创建多个视口窗格，请单击<span class = "ph menucascade"><span class = "ph uicontrol">窗口</span><abbr> &gt; </abbr><span class = "ph uicontrol">视口</span><abbr> &gt; </abbr><span class = "ph uicontrol">布局 <img class = "image" src = "../Icons3DVIA/I_CPSLayout31.png"/></span></span>。</span></td></tr></table>
<div class = "note collapse"><span class = "run-in.note">注:
    		</span><span class = "notecontent">此选项不会影响不同文档的视口。</span></div>
</td>
          </tr>
          <tr class = "row">
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__1">
              <span class = "ph uicontrol">可变导航模式（自动恢复为选择模式）</span>
            </td>
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__2">在使用另一种模式（<span class = "ph uicontrol">平移</span>、<span class = "ph uicontrol">旋转</span>、<span class = "ph uicontrol">缩放</span>）后，将自动启用<span class = "ph uicontrol">选择模式</span>。要保留所选的上一模式，请清除此选项。</td>
          </tr>
          <tr class = "row">
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__1">
              <span class = "ph uicontrol">键盘导航</span>
            </td>
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__2">启用<span class = "ph uicontrol">平移增量</span>和<span class = "ph uicontrol">旋转和滚动增量</span>选项，这些选项允许您指定用于使用键盘快捷方式进行平移、旋转和滚动的增量值。</td>
          </tr>
          <tr class = "row">
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__1">
              <span class = "ph uicontrol">平移增量</span>
            </td>
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__2">使用 <span class = "ph uicontrol">Ctrl+箭头键</span>指定用于平移的增量值。默认值为 5 像素。</td>
          </tr>
          <tr class = "row">
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__1">
              <span class = "ph uicontrol">旋转和移动增量</span>
            </td>
            <td class = "entry" headers = "cps-c-cu-ApplicationPreferences-Camera__entry__2">指定用于使用 <span class = "ph uicontrol">Shift+箭头键</span>进行旋转的增量值以及用于使用 <span class = "ph uicontrol">Alt+箭头键</span>进行滚动的增量值。默认值为 1.00 度。</td>
          </tr>
        </tbody></table>
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