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) –