Abbildung 17.172. Applying example for the Image Gradient filter
 
              Originalbild
 
              Filter „Image Gradient“ applied with default options.
 
          Filter „Image Gradient“ applied with Direction option.
This filter detects edges in one or two gradient directions.
| ![[Anmerkung]](images/note.png)  | Anmerkung | 
|---|---|
| These options are described in Abschnitt 2, „Gemeinsame Funktionsmerkmale“. | 
Magnitude is default: it combines both directions. Direction: only one direction is used. Both is like Magnitude.
Abbildung 17.174. 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.