Tham khảo tài liệu 'professional information technology-programming book part 44', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | . Satisfaction in Liquefaction Ever since Live Picture went away and left us stranded for a really good fictitious imaging tool illustration photographers have been making do with Photoshop s Liquify filter. Liquify lets you treat any shape as though it were made of modeling clay. Have a client who s a bit on the heavy side No worries. Liquify is Photoshop liposuction. Want to turn a person s face into a caricature Liquify is marvelous for making ear-to-ear smiles and bug eyes have never looked so buggy. Figure 10-14 shows you a pair of familiar pets before and after liquefaction. Figure 10-14. The grins and bug eyes on the dogs faces. Like everything in this chapter Liquify is maximally destructive so do anything you plan to do with it on a new layer. Here s how I made clowns of the dogs 1. First knowing that I didn t want the Liquify filter to affect anything in the image except the dogs I placed a selection around them that ended at the leash. I had no intention of modifying anything below the leash either. When you then choose Filter Liquify the Liquify dialog opens. As you can see from Figure 10-15 the Liquify dialog is another one of Photoshop s applications within an application. Figure 10-15. The Liquify dialog after selecting the dogs. I have already come pretty close to the final effect using nothing more than the Bloat and Push tools. NOTE At the bottom of the dialog is a checkbox called Show Backdrop. Check it if you want to see layers in the same image. You can choose All Layers or a specific layer and whether you want the other layer to appear in front or behind the Liquify layer. If you use a knockout you can display the originating layer beneath the Liquify preview. That way you can tell how well your distortions of the knockout will fit into the background. You can also tell whether or not you need to clone background into the part of the image that the knockout was lifted from. You could use a grid over the image to help you visualize how much
