TAILIEUCHUNG - Photoshop cs5 by steve Johnson part 38

Làm việc với Công cụ Magic Eraser Các công cụ Magic Eraser chức năng giống như công cụ Magic Wand chọn, ngoại trừ việc thay vì phải chọn một khu vực, nó xóa nó. Các công cụ Magic Eraser hoạt động trên bất kỳ lớp Photoshop truyền thống, cũng như các layer Background. | Working with the Magic Eraser Tool The Magic Eraser tool functions the same way as the Magic Wand selection tool except that instead of selecting an area it erases it. The Magic Eraser tool works on any traditional Photoshop layer as well as the Background layer. Clicking with the Magic Eraser tool converts image pixels into transparent pixels. Since the Background layer does not support transparency using the Magic Eraser tool causes Photoshop to convert the Background into a traditional layer. Work with the Magic Eraser Tool Select the Magic Eraser tool on the toolbox. Enter a Tolerance value 0 to 255 . The higher the value the greater the range the Magic Eraser erases. Select the Anti-alias check box to create a visually softer eraser useful when dealing with intensely rounded or curved selections . Select the Contiguous check box to select adjacent pixels within the active document. Select the Sample All Layers check box to sample image information from all layers Photoshop then treats the visual image as a composite . Click within the active document. The Magic Eraser tool depending on the options you choose samples the pixels directly under the tool and uses that data to create a range for erasing image information. 238 Chapter 9 Creating and Applying Gradients Create a Standard Gradient Select the Gradient tool on the toolbox. Click the Gradient list arrow and then select from the available gradients. The preset gradients include Foreground to Transparent Chrome Spectrum Transparent Rainbow Transparent Stripes and Neutral Density New . Select one of the following gradient types from the five icons Linear Radial Angle Reflected or Diamond. Click the Mode list arrow and then select a blending mode. Enter an Opacity percentage value 1 to 100 . Select the Reverse check box to reverse the color order of the selected gradient. Select the Dither check box to visually create a smoother transition between gradient colors. Select the Transparency check box to create .

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