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                    使用色彩范围创建调整图层蒙版
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                <div><div class="section"><p>“色彩范围”功能（对于根据图像中的取样颜色创建选区非常有用）也可用于创建蒙版。有关更多信息，请参阅<a href="WSfd1234e1c4b69f30ea53e41001031ab64-76f4a.html">选择色彩范围</a>。</p>
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<ol><li class="stepexpand"><span>在“图层”面板中，选择要应用调整图层的图层。 </span></li>
<li class="stepexpand"><span>选择“窗口”&gt;“调整”以显示“调整”面板。</span></li>
<li class="stepexpand"><span>单击“调整”面板中的调整以将调整图层添加到图像。图层蒙版会作为调整图层的一部分自动添加。</span></li>
<li class="stepexpand"><span>在“蒙版”面板中，单击“色彩范围”。 </span></li>
<li class="stepexpand"><span>在“色彩范围”对话框中，从“选择”菜单中选择“取样颜色”。</span></li>
<li class="stepexpand"><span>选择“本地化颜色簇”，根据图像中的不同色彩范围来构建蒙版。</span></li>
<li class="stepexpand"><span>将显示选项设置为“选区”，并将“选区预览”设置为“无”。 </span></li>
<li class="stepexpand"><span>单击图像中的颜色区域。 </span> <div class="para"><div class="tip"><img src="images/tip_help.png" />要取样多个区域，请按住 Shift 以激活加色吸管工具。按住 Alt 键 (Windows) 或 Option 键 (Mac OS) 键可启动减色吸管工具。</div></div>
 <p>当单击图像区域时，可以在“色彩范围”对话框中预览蒙版。白色区域是未被蒙版遮盖的像素，黑色区域是被蒙版遮盖的像素，而灰色区域是被蒙版部分遮盖的像素。</p>
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<li class="stepexpand"><span>使用“颜色容差”滑块可增加或减少包括在蒙版区域中的取样颜色周围的色彩范围。使用“范围”滑块以控制要包含在蒙版中的颜色与取样点的最大和最小距离。调整蒙版之后，请单击“确定”以关闭“色彩范围”对话框。</span></li>
<li class="stepexpand"><span> 在“调整”面板中，根据需要修改调整。 </span> <p>调整只应用于图像中未被蒙版遮盖（或部分遮盖）的区域。如有必要，请再次单击“色彩范围”以对调整图层蒙版进行进一步调整。 </p>
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