📄 第07章 通道蒙板.htm
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<h1 style='margin-top:23.15pt;margin-right:0cm;margin-bottom:23.15pt;
margin-left:0cm'><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>第</span><span lang=EN-US>7</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>章</span><span lang=EN-US><span
style='mso-spacerun:yes'> </span></span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>通道<span
class=GramE>和蒙版</span></span></h1>
<h2 style='margin-top:7.7pt;margin-right:0cm;margin-bottom:7.7pt;margin-left:
0cm'><span lang=EN-US>7.1<span style='mso-spacerun:yes'> </span>通道<span
class=GramE>与蒙版概述</span></span></h2>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>要正确使用通道与<span class=GramE>蒙版首先</span>要了解什么是通道<span
class=GramE>和蒙版</span>，它们的作用如何。</span></p>
<h3><span lang=EN-US>7.1.1<span style='mso-spacerun:yes'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>通道概述</span></h3>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>在</span><span lang=EN-US>Photoshop</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>中，通道是用来记录组成图像的原色信息的，通道是</span><span lang=EN-US>Photoshop</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>图像文件的有机组成部分。</span></p>
<h4><span lang=EN-US>1. 通道的概念</span></h4>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>通道可以表示选区，可以利用分离通道作一些比较精确而方便的选择。在通道中，白色代表的是选区，在选中某通道后，用魔棒工具单击图像画面，将会得到一个选区，这个选区的颜色就是白色的。</span></p>
<h4><span lang=EN-US>2. 通道面板</span></h4>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>对通道的操作需要通过通道面板来实现。</span></p>
<h5><span lang=EN-US><span style='mso-spacerun:yes'>
</span>(1) </span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>使用通道面板</span></h5>
<p class=MsoNormal style='text-indent:21.0pt'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>如果通道面板在</span><span
lang=EN-US>Photoshop</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>中没有显示，可以选择菜单中的“窗口”</span><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'>→</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>“通道面板”命令。通道面板如下图所示。</span></p>
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<h6><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>通道面板</span></h6>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>单击面板上的面板菜单按钮</span><span lang=EN-US><!--[if gte vml 1]><v:shape
id="_x0000_i1026" type="#_x0000_t75" style='width:9.6pt;height:10.2pt'
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style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>，可以打开通道面板菜单。</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>在通道面板菜单中可以完成几乎所有通道面板的基本操作。</span></p>
<h5><span lang=EN-US><span style='mso-spacerun:yes'>
</span>(2) </span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>设置通道面板</span></h5>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>可以对通道面板的属性进行设置，选择面板菜单中的“调板选项”命令，打开“通道调板选项”对话框，该对话框与图层面板的“图层调板选项”对话框完全一样，选择不同大小的缩略图单选项，可以改变通道面板中通道<span
class=GramE>缩</span>略图的大小，如果选择“无”单选项，则取消<span class=GramE>缩</span>略图显示方式。</span></p>
<h3><span lang=EN-US>7.1.2<span style='mso-spacerun:yes'> </span></span><span
class=GramE><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>蒙版概述</span></span></h3>
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