Tham khảo tài liệu 'professional information technology-programming book part 31', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Chapter 8. Repairing the Details This chapter covers all types of image repair and the tools you ll need to restore and retouch images in a variety of situations. We ll first cover some basic tools used for all types of repair and then get into specific techniques for image restoration glamour portraiture architecture still life and scenic subjects. NOTE There are some procedures such as using a high-key glow effect for a glamour portrait that may be considered retouching but from a workflow perspective are really special effects. Those procedures are covered in Chapter 11. Limit Destruction to a Retouching Layer Retouching when done on the image itself is totally destructive of any area that it affects. For that reason you should do all the retouching on at least one separate retouching layer. You already started one of these in the The Magic Action for Layered Workflow section in Chapter 5 for spot retouching. What you ll be doing here when the discussed techniques are necessary is creating new individual layers for more specialized techniques and then grouping them so they are easy to find move rearrange and blend. It is also done at this time because you need retouch at the earliest practical stage. First of all you need to do it for quick client turnaround and before you or the client decide to do more refined destructive procedures. Second the changes you are most likely to want to make for purposes of reinterpretation are those that follow this procedure in the workflow. Remember one of the purposes of an organized workflow is to ensure minimum time waste when an image needs to be reinterpreted. . General Repair Toolkit Certain tools and commands are part of what I like to call Photoshop s Repair Toolkit. These included the Healing tools the Clone tool the History brush the Replace Color tool and command and a technique for copying entire selected portions of the image. Quick Switching Between Tools in the Same Menu Each of the tool sets in the Toolbox .
