8.7. Image Gradient
| 8. Filtre til kantdetektering |

### 8.7. Image Gradient

#### 8.7.1. Overview

Figur 17.173. Applying example for the Image Gradient filter

Original image

Filter “Image Gradient” applied with default options.

Filter “Image Gradient” applied with Direction option.

This filter detects edges in one or two gradient directions.

#### 8.7.2. Activating the Filter

This filter is found in the main menu under Filters → Edge-Detect → Image Gradient….

#### 8.7.3. Indstillinger

Figur 17.174. Image Gradient filter options

Presets, “Input Type”, Clipping, Blending Options, Forhåndsvisning, Merge filter, Split view

  | Bemærk
  Disse indstillinger er beskrevet i Afsnit 2, “Fælles funktioner”.

Output mode

  Magnitude is default: it combines both directions. Direction: only one direction is used. Both is like Magnitude.

  Figur 17.175. Output mode examples

  Original image, with abrupt luminosity change

  Option Magnitude is selected

  Option Direction is selected. In result, black is no edge detected, white is edge detected.

8.6. Sobel |  | 9. Generelle filtre

Report a bug in GIMP Rapportér en fejl i fejlsporing