Class: QgsHillshadeFilter

class qgis.analysis.QgsHillshadeFilter

Bases: QgsDerivativeFilter

A hillshade filter.

Methods

calcFirstDerX	Calculates the first order derivative in x-direction according to Horn (1981)
calcFirstDerY	Calculates the first order derivative in y-direction according to Horn (1981)
lightAngle	rtype float
lightAzimuth	rtype float
processNineCellWindow	rtype Tuple[float, float, float, float, float, float, float, float, float, float]
setLightAngle	param angle
setLightAzimuth	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) –