Sign & Digital Graphics

May '17

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40 • May 2017 • S I G N & D I G I T A L G R A P H I C S DIGITAL PRINTING AND FINISHING DIGITAL GRAPHICS Once again, experimentation with all of the variables; adjustments, gradients, blend modes and opacities, will lead you to the best results. Blend If For precision blending that actually controls the core color relationship of two consecutive layers, you may want to try your hand at the Blend If feature. These controls are in the Layer Styles dialog box (see Figure 11), and are accessed by double-clicking the layer's thumbnail. The Blending Options interface is complex and takes a bit of experimentation to understand just how it can affect the image. Here, we'll concentrate on the Blend If feature. The Blend If options picks and chooses which colors on a specific layer will be visible or concealed based on the bright- ness level of the color information. These controls can be tricky, though with a little practice you'll get the hang of it. Here is how they work: The menu displays the options for the color cannel information. Gray specifies a blending range for all channels. Red, Green, or Blue in an RGB image, for example, specifies the blending for the brightness range of a specific color channel. This Layer or Underlying Layer exclu- sion sliders when dragged, omit pixels of a specific bright- ness range from selected color channel. The black slider dragged right will omit darker pixels and the white slider dragged left omits lighter pixels. Both expose the content of the underlying layer. Blending Two Layers Here is an example of the Blend If feature blending the content of two layers. Figure 10: The affect of a Soft Light blend mode applied to the gradient layer. Figure 11: The Blend If feature in Layer Style dialog box. Figure 12: In one of the images the cliffs are perfect, but the sky is blown out. The other image has a lovely dramatic sky but the cliffs are too dark. Figure 13: The Layers panel show- ing the two images on separate layers.

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