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Lesson 1. Bitmap Editing > Using the Magic Wand Tool

Using the Magic Wand Tool

With the Magic Wand tool, you can select neighboring pixels of the same or similar color. The level of similarity depends on the tolerance level you set in the Property inspector. The lowest level, zero, selects one color; you pick the exact color with the tip of the tool. The highest setting, 255, allows the greatest range of colors to be selected. For example, if the tolerance is set to 50 and the RGB value of the color selected is R = 100, G = 100, and B = 100, then colors from 50, 50, 50 to 150, 150, 150 are within the 50 tolerance range and thus are selected.

To understand this better, look at the shades of gray in the background of the bitmap image you have open. You’ve already seen that the background includes a variety of shades of gray. If you use a low tolerance level, for example 10, then the gray pixels selected are limited to those in a small area around the pixel you clicked with the tool. To select the entire gray background, you need to continue to click to add pixels to the selection. If you use a large tolerance number, for example 255, then you will also select colors outside the gray color range.


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