教你用Photoshop打造上帝之手

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<P>先看一下效果：<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134044361.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134044361.jpg" width=570 onload=resizepic(this) align=absMiddle border=0></A></P>
<P>在本例中我们将看到图层混合模式是怎么样展现它的魔力，为我们制造出绚丽的效果的。 <BR>我们先打开一张素材图片，单击图层面板底部的“创建新的调整图层”按钮，在下拉菜单中选择“色阶”，如图设置弹出对话框。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134044113.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134044113.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>选择磁性套锁工具，沿着手臂的边缘创建选区。 <BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134044363.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134044363.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>现在将调整图层删去。 <BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134045283.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134045283.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>打开一张新的素材图片，将手臂图片拖到打开的图片中。 <BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134045397.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134045397.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>按“Ctrl+T”打开自由变换命令，调节手臂到如图效果。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134045630.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134045630.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P><BR></P>
<P>选择图层1，单击“调加图层蒙版”，为图层1添加蒙版。选择画笔工具，使用柔边画笔将手臂的上边缘修成圆弧形。 <BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134045312.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134045312.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>复制图层1的到图层1副本，设置图层1副本混合模式为“叠加”，不透明度为50%。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134045827.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134045827.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>新建图层2，设置前景色为黑色，背景色为白色。执行“滤镜”→“渲染”→“云彩命令”。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134046988.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134046988.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>现在执行“滤镜”→“渲染”→“分层云彩”命令。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134046812.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134046812.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>现在按“Ctrl+I”执行“反向”命令。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134046876.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134046876.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P><BR></P>
<P>按“Ctrl+L”键打开“色阶”命令，如图设置弹出对话框。 <BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134046976.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134046976.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>设置图层2的混合模式为“滤色”。 <BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134046878.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134046878.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>选择椭圆选区工具，在图中创建一个椭圆选区，然后执行“选择”→“羽化”命令，设置羽化半径为20。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134047269.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134047269.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>执行“滤镜”→“扭曲”→“挤压”命令，设置数量为100%。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134047422.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134047422.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>按“Ctrl+F”再次执行“挤压”命令。复制图层2的到图层2副本，将图层2副本移到图层2下方，设置混合模式为“变亮”。 <BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134048349.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134048349.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P><BR></P>
<P>执行“图像”→“调整”→“变化”命令，在打开的对话框中分别单击三次“加深红色”和“加深蓝色”，再单击一次“加深洋红”。 <BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134048199.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134048199.jpg" width=570 onload=resizepic(this) align=absMiddle border=0></A></P>
<P>选择图层2，单击“添加图层蒙版”，使用200像素的柔边画笔在蒙版上涂抹，隐藏部分闪电效果。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134048103.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134048103.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>选择图层2副本，单击“添加图层蒙版”，设置画笔不透明度为50%，使用200像素的柔边画笔在蒙版上涂抹。 <BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134049435.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134049435.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>复制图层1副本的到图层1副本2，设置图层1副本2的混合模式为“点光”。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134049220.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134049220.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>选择图层1副本2，按“Ctrl+U”打开“色相/饱和度”命令，如图设置弹出对话框。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134051468.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134051468.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>选择图层1副本2，单击“添加图层蒙版”，使用100像素柔边画笔在蒙版上涂抹，得到如图效果。<BR></P>
<P align=center><A href="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134051153.jpg" target=_blank><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134051153.jpg" onload=resizepic(this) align=absMiddle border=0></A></P>
<P>到这里上帝之手就完成了。<BR></P>
<P align=center><IMG onmousewheel="return bbimg(this)" style="CURSOR: hand" alt=按此在新窗口浏览图片 src="http://www.cgfancy.com/Article/UploadFiles/200612/20061207134044361.jpg" onload=resizepic(this) align=absMiddle border=0></P><BR><script language="JavaScript" src="http://www.16xx8.com/bbs/10.js"></script><BR>

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