Class: QgsHillshadeFilter¶
- class qgis.analysis.QgsHillshadeFilter¶
Bases:
QgsDerivativeFilter
A hillshade filter.
Methods
Calculates the first order derivative in x-direction according to Horn (1981)
Calculates the first order derivative in y-direction according to Horn (1981)
- rtype:
float
- rtype:
float
- param angle:
- param azimuth:
- calcFirstDerX(self)¶
Calculates the first order derivative in x-direction according to Horn (1981)
- calcFirstDerY(self)¶
Calculates the first order derivative in y-direction according to Horn (1981)
- lightAngle(self) float ¶
- Return type:
float
- lightAzimuth(self) float ¶
- Return type:
float
- processNineCellWindow(self)¶
- setLightAngle(self, angle: float)¶
- Parameters:
angle (float)
- setLightAzimuth(self, azimuth: float)¶
- Parameters:
azimuth (float)