### 8.56. Posterize

#### 8.56.1. Overview

شكل 16.224. Example for the “Posterize” filter

Original image

“Posterize” with 3 levels applied

This tool is designed to intelligently weigh the pixel colors of the selection or active layer and reduce the number of colors while maintaining a semblance of the original image characteristics.

#### 8.56.2. Activating the Command

You can access this command from the main menu through Colors → Posterize….

#### 8.56.3. Options

شكل 16.225. Posterize filter dialog

Presets, Blending Options, Preview, Merge filter, Split view

  | ياداشت
  These options are described in قسمت 8.1.2, “Colors Common Features” .

Posterize Levels

  Here, “level” means “number of colors per channel ”.

  This slider and the input boxes with arrowheads allow you to set the number of levels (2-256) in each RGB channel that the tool uses to describe the active layer. The maximum total number of colors is the combination of these levels. A level to 3 will give 33 = 27 colors.

8.55. Colorize |  | 8.57. Color to Alpha…

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