Class: QgsRuggednessFilter¶
-
class
qgis.analysis.
QgsRuggednessFilter
¶ Bases:
QgsNineCellFilter
Calculates the ruggedness index based on a 3x3 moving window.
Algorithm from Riley et al. 1999: A terrain ruggedness index that quantifies topographic heterogeneity
Methods
- rtype
Tuple[float, float, float, float, float, float, float, float, float, float]
-
processNineCellWindow
(self) → Tuple[float, float, float, float, float, float, float, float, float, float]¶ - Return type
Tuple[float, float, float, float, float, float, float, float, float, float]