CHAPTER 5 SELECTION 201 Channel to Selection (My web server)

CHAPTER 5 SELECTION 201 Channel to Selection is the simplest operation: just replace any existing selection with the selection saved in the channel. But you can also use the other selection modes: Add to Selection, Subtract from Selection, and Intersect with Selection. They let you combine several selections in fairly complex ways. Of course, you can also make a copy (Duplicate Channel) or Delete Channel. You can also make a New Channel. By default, it will be all black (which will appear as a gray overlay), and then you can paint on it. In Figure 5-34, I ve scribbled on the biplane s fuselage with the Paintbrush tool and a large brush. Figure 5-34. Painting on a new channel The first item in the context menu, Edit Channel Attributes, gives you another place to change the channel s name. In addition, it lets you change the Fill Opacity (Figure 5-35). On some images, it may be nearly impossible to see what you re doing when the image is covered by the translucent dark gray of a channel. Changing Fill Opacity can make the overlay lighter or darker. You can also change the color by clicking on the color box. Figure 5-36 shows the result. Channels don t get in your way because you can switch them off at any time. They won t disturb your current selection until you explicitly ask for that using the context menu. Of course, channels are included when you save as XCF, so all your stored selections will still be there the next time you edit the image.
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