Trên thực tế, bạn có thể làm nhiều hơn với các nhà cai trị ảo - bạn có thể bí, kéo dài, phát triển, và thu nhỏ để phù hợp với nhu cầu của bạn. Quan trọng nhất, bạn có thể tạo ra bất kỳ loại dòng bạn muốn với các nhà cai trị ảo. Chấm hoặc tiêu tan, mỏng hoặc dày (hoặc tất cả các bên trên), bạn có kiểm soát để tạo ra các dòng mà bạn mua | Chapter 9 Working with Selections and Selection Layers 177 I This last option not only creates a new selection layer but also saves your image layer selection as an area on the new layer. Alternatively you can use the Convert Selection to Layer button located on the Layers palette next to the Selection title instead of selecting the function from the main menu. There are technically no limits to the number of selection layers you can create. The only real limit is your computer hardware as having too many layers of any kind can hinder your computer s performance especially if you re working on a low-end machine or don t have a lot of RAM available. You can adjust the opacity and color of your selection layers by bringing up the Layer Properties palette. Press F7 on your keyboard or choose Window1 Properties from the main menu. Creating and editing selections on a selection lager Working on a selection layer is just like working on an image layer. That means that you can draw and erase a selection just like you would if you were laying down some line art. So there are a number of ways you can lay down and edit a selection area By using any of the drawing tools Pen Pencil Marker Airbrush or Pattern Brush tools to outline or add effects to a selection area By using the Marquee or Lasso tool to select the area much like you would use on an image layer By using the Fill tool to fill in the area you ve outlined or selected By using the Eraser Marquee or Lasso tools to remove excess parts of the selection area What you create on the selection layer won t look exactly like a selection. In fact it s just going to look like a green blob. You can t easily tell in this black-and-white book but in Figure 9-22 the character s hair is that green blob. The idea here is that you aren t creating a selection so much as you re blocking off an area that you ll be using later on to create a image layer selection. By creating a selection area you can now tweak and adjust add and remove .
