QgsRelief class

Produces colored relief rasters from DEM.

Contents

Constructors, destructors, conversion operators

QgsRelief(const QgsRelief& rh) deleted
QgsRelief cannot be copied.

Public functions

auto calculateOptimizedReliefClasses() -> QList<QgsRelief::ReliefColor>
Calculates class breaks according with the method of Buenzli (2011) using an iterative algorithm for segmented regression.
auto exportFrequencyDistributionToCsv(const QString& file) -> bool
Write frequency of elevation values to file for manual inspection.
auto operator=(const QgsRelief& rh) -> QgsRelief& deleted
QgsRelief cannot be copied.
auto processRaster(QgsFeedback* feedback = nullptr) -> int
Starts the calculation, reads from mInputFile and stores the result in mOutputFile.

Function documentation

QList<QgsRelief::ReliefColor> QgsRelief::calculateOptimizedReliefClasses()

Calculates class breaks according with the method of Buenzli (2011) using an iterative algorithm for segmented regression.

Returns true in case of success

int QgsRelief::processRaster(QgsFeedback* feedback = nullptr)

Starts the calculation, reads from mInputFile and stores the result in mOutputFile.

Parameters
feedback feedback object that receives update and that is checked for cancelation.
Returns 0 in case of success