| QGIS API Documentation
    2.2.0-Valmiera
    | 
#include "qgsderivativefilter.h"

Go to the source code of this file.
| Classes | |
| class | QgsSlopeFilter | 
| Calculates slope values in a window of 3x3 cells based on first order derivatives in x- and y- directions.  More... | |
 1.8.1.2
 1.8.1.2