Đang chuẩn bị liên kết để tải về tài liệu:
Photoshop CS3 for Screen Printers- P9

Photoshop CS3 for Screen Printers- P9: The toolbox is the heart of Photoshop CS3, and where you’ll find the tools you need to create your artwork and perform editing tasks. From the toolbox you can access the selection tools, shape tools, type tools, Crop tool, and eraser tools. These are basic tools that any screen printer or graphic artist needs. | 216 Part II Creating Artwork and Logos Indexed Color This mode uses 1 to 256 colors. You can convert an RGB image to an indexed color image and Photoshop will look at the colors and convert them to the colors available in the indexed color model. Indexed color can be used for web images but is used in screen printing as well. Screen printers can use indexing to color separate an image using only a few colors and those colors can be hand picked. Note You can switch between color modes using the Image Mode menu choices. Introduction to Spot Color Spot color images are those images that can be printed using a limited number of colors and also have a limited number of colors in the design. Generally spot color prints are the easiest kind of images to both screen print and color separate. Most of the logos that you ve seen in this book up to this point have been spot color designs. Spot color prints are not photorealistic like process color prints spot color images are created using text clip art and color. Figure 11-4 shows a true spot color design. In Figure 11-4 the puzzle pieces are different colors and the writing is black. Each puzzle piece has a black outline so in this spot color design the colors touch. If you re new to screen printing you ll probably be more comfortable with designs whose colors don t touch since the calibration of the press isn t such a big deal so you might want to remove this part of the design after you print out the color separations or before . As you progress you ll become more comfortable with designs where colors touch and even fade into one another. True spot color images those whose colors do not fade into each other or contain highlights or shadows can be printed using premixed inks. Each spot color requires that a screen be created specifically for that color and a plate on the press for printing it. 217 Chapter 11 Working with Colors An Introduction You ll create lots of true spot color designs as you build your business and .