9-4 Eraser/Background color eraser/Magic Eraser

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The eraser in Photoshop is used to erase pixels, and the erased area will be transparent.

You can choose to erase with a brush or pencil brush in the pattern, except that the brush's edge is soft with feathering and the pencil brush has no

Review the course #07: Using the history brush.

The background Color eraser tool uses the same effect as the normal eraser, all of which are erased pixels, can be used directly on the background layer, and the background layer will be automatically converted to normal layer after use. Its options are somewhat similar to the color substitution tool, such as. It can be said that it is also a color replacement tool, but the real color replacement tool is to change the color of the pixel, and the background color Eraser tool to replace the pixels with transparency.

The Magic Eraser Tool is similar in effect to the background color eraser, which is to erase the pixels by dividing them into transparent areas. It's just a different way of doing things, the background color eraser tool uses a brush-like drawing (smudge) operation. And this magic eraser is the area type (that is, one click can be for a region) operation mode.

The process of the magic Eraser can be understood as triad: Create a selection with a magic wand, delete the pixels within the selection, and deselect the selection.

9-4 Eraser/Background color eraser/Magic Eraser