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
- rtype
Tuple[float, float, float, float, float, float, float, float, float, float]
- param angle
- param azimuth
- calcFirstDerX(self) Tuple[float, float, float, float, float, float, float, float, float, float] ¶
Calculates the first order derivative in x-direction according to Horn (1981)
- calcFirstDerY(self) Tuple[float, float, float, float, float, float, float, float, float, float] ¶
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) Tuple[float, float, float, float, float, float, float, float, float, float] ¶
- Return type
Tuple[float, float, float, float, float, float, float, float, float, float]
- setLightAngle(self, angle: float)¶
- Parameters
angle (float) –
- setLightAzimuth(self, azimuth: float)¶
- Parameters
azimuth (float) –