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<ul class="navigation"><li class="prev"><a accesskey="p" class="prev" href="WS73D4C6D5-5DC0-4062-A191-A70AAB1490B3a.html" title="使用消失点中的颜色绘画"><img src="images/blank.gif" alt="上一页" width="17" height="17" /></a></li><li class="next"><a accesskey="n" class="next" href="WS5C72C172-666B-4232-80E5-32F63D5063AEa.html" title="在消失点中测量"><img src="images/blank.gif" alt="下一页" width="17" height="17" /></a></li></ul><div class="hierarchy"><a href="WSfd1234e1c4b69f30ea53e41001031ab64-763ea.html">修饰和变换</a> /
     <a href="WS714a382cdf7d304e153d0941004907be29-7ff5a.html"><b>消失点</b></a> 
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                <h1>
                    在消失点中使用样本像素绘画
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                <div><div class="section"><p>在“消失点”中，图章工具将使用样本像素绘画。仿制的图像将定向到平面（您在其中绘画）的透视。对于诸如混合和修饰图像区域、仿制部分表面以“涂去”对象，或仿制图像区域以复制对象或扩大纹理或图案等任务，图章工具十分有用。</p>
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<ol><li><span>在消失点中，选择盖章工具 <img src="images/P_Clone_Lg_N.png" />。</span></li>
<li><span>在工具选项区域中，设置“直径”（画笔大小）、“硬度”（画笔上消除锯齿的数量）和“不透明度”（绘画遮盖或显示下方图像的程度）。</span></li>
<li><span>从“修复”菜单中选取混合模式：</span><ul><li><p>要防止描边与周围像素的颜色、阴影和纹理混合，请选取“关”。</p>
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<li><p>要将描边与周围像素的光照混合，请选取“明亮度”。</p>
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<li><p>要将描边与周围像素的颜色、光照和阴影混合，请选取“开”。</p>
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</ul>
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<li><span>决定盖章工具的取样行为： </span><ul><li><p>选择“对齐”可对像素连续取样而不会丢失当前的取样点，即使您释放鼠标按钮也是如此。</p>
</li>
<li><p>取消选择“对齐”可在每次停止并重新开始绘画时使用初始取样点中的样本像素。</p>
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</ul>
</li>
<li><span>（可选）指定绘画应用程序选项：</span><ul><li><p>要从一个平面到另一个平面连续绘画，请打开“消失点”菜单并选取“允许多表面操作”。</p>
</li>
<li><p>要限制为仅对现用平面绘画，请打开“消失点”菜单并选取“剪切对表面边缘的操作”。</p>
</li>
</ul>
</li>
<li><span>将指针移动到一个平面内，然后按住 Alt 键 (Windows) 或 Option 键 (Mac OS) 并单击以设置取样点。</span></li>
<li><span>在要绘画的图像区域上拖动。按住 Shift 键可拖动符合平面透视的直线。还可以使用盖章工具单击某一个点，然后按住 Shift 键并单击另一个点以在透视中绘制一条直线。</span></li>
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