Рисунок 17.173. Applying example for the Image Gradient filter
 
              Исходное изображение
 
              Filter «Image Gradient» applied with default options.
 
          Filter «Image Gradient» applied with Direction option.
This filter detects edges in one or two gradient directions.
| ![[Примечание]](images/note.png)  | Примечание | 
|---|---|
| Эти параметры описываются в Раздел 2, «Общие свойства». | 
Magnitude is default: it combines both directions. Direction: only one direction is used. Both is like Magnitude.
Рисунок 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.