## Ĉapitro 17. Filters

## 1. Introduction

A filter is a special kind of tool designed to take an input layer or image, apply a mathematical algorithm to it, and return the input layer or image in a modified format. GIMP uses filters to achieve a variety of effects and those effects are discussed here.

The filters are divided into several categories:

- Sekcio 3, “Blur Filters”

- Sekcio 4, “Enhance Filters”

- Sekcio 5, “Distort Filters”

- Sekcio 6, “Light and Shadow Filters”

- Sekcio 7, “Noise Filters”

- Sekcio 8, “Edge-Detect Filters”

- Sekcio 9, “Generic Filters”

- Sekcio 10, “Combine Filters”

- Sekcio 11, “Artistic Filters”

- Sekcio 12, “Decor Filters”

- Sekcio 13, “Map Filters”

- Sekcio 14, “Rendering Filters”

- Sekcio 15, “Web Filters”

- Sekcio 16, “Animation Filters”

12.11. About |  | 2. Common Features

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