Tham khảo tài liệu 'photoshop cs5_tập 8', công nghệ thông tin, đồ họa - thiết kế - flash phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 8 Changing the visibility of a layer 2 You may find it easier to use keyboard commands to move the layers positions in the stacking order. Select the green square layer and press Ctrl right bracket Windows or Command right bracket Mac OS to move it up one level in the stacking order. Press this keyboard combination again to move the green square layer back to the top of the stacking order. 3 Select the yellow circle layer and press Ctrl left bracket Windows or Command left bracket Mac OS to put the yellow circle one level down in the stacking order essentially placing it behind the red square. Press Ctrl right bracket Windows or Command right bracket Mac OS to move it back up one level in the layer stacking order. The image layers should now be back in the same order as when the image was originally created red square on the bottom yellow circle in the middle and green square on the top. 4 Choose File Save. Keep the file open for the next part of this lesson. Changing the visibility of a layer One of the benefits of using layers is that you can hide the layers that contain pixel data on which you are not currently working. By hiding layers you can focus on the image editing at hand keeping distractions to a minimum. 1 With the file still open select the visibility icon to the left of the red square layer. The red square disappears. Turn the visibility of a layer off and on by selecting the visibility icon. 2 Click again on the spot where the visibility icon previously appeared. The red square layer is visible again. 3 This time hold down the Alt Windows or Option Mac OS key and click on the same visibility icon. By using the Alt Option modifier you can hide all layers except the one you click on. 4 Alt Option click on the same visibility icon to make all the layers visible again. 226 Adobe Photoshop CS5 Digital Classroom Using masks in a layer 8 Using masks in a layer There is one last feature fundamental to understand before you delve further into .
