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) –