Now I will apply a layer mask (make sure that your layer is selected).

好了，添加一个图层蒙版(保证你的图层是被选中状态)。

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Now to give it a little punch, duplicate that layer, set its Opacity to 68%, and apply the following Curves (Command + m) to its transparency mask and you get this.

现在，给数码音量图添加一些视觉刺激。复制图层，设置不透明度为68%，并且对透明图层应用下图曲线(COMMAND + M)。然后，你得到了这个。

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Rename this layer as "Tower". Then add a vector mask to this layer, grab the gradient Tool and apply the following gradient to the mask.

命名图层为铁塔图层。然后添加一个蒙板，选择渐变工具，给蒙板添加如下图所示的渐变。

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