#include <qgsruggednessfilter.h>
Inheritance diagram for QgsRuggednessFilter:
Public Member Functions | |
| QgsRuggednessFilter (const QString &inputFile, const QString &outputFile, const QString &outputFormat) | |
 Public Member Functions inherited from QgsNineCellFilter | |
| QgsNineCellFilter (const QString &inputFile, const QString &outputFile, const QString &outputFormat) | |
| Constructor that takes input file, output file and output format (GDAL string) More... | |
| virtual | ~QgsNineCellFilter ()=default |
| double | cellSizeX () const |
| double | cellSizeY () const |
| double | inputNodataValue () const |
| double | outputNodataValue () const |
| int | processRaster (QgsFeedback *feedback=nullptr) |
| Starts the calculation, reads from mInputFile and stores the result in mOutputFile. More... | |
| void | setCellSizeX (double size) |
| void | setCellSizeY (double size) |
| void | setInputNodataValue (double value) |
| void | setOutputNodataValue (double value) |
| void | setZFactor (double factor) |
| double | zFactor () const |
Protected Member Functions | |
| float | processNineCellWindow (float *x11, float *x21, float *x31, float *x12, float *x22, float *x32, float *x13, float *x23, float *x33) override |
| Calculates output value from nine input values. More... | |
Additional Inherited Members | |
| Protected Attributes inherited from QgsNineCellFilter | |
| double | mCellSizeX = -1.0 |
| double | mCellSizeY = -1.0 |
| QString | mInputFile |
| float | mInputNodataValue = -1.0 |
| The nodata value of the input layer. More... | |
| QString | mOutputFile |
| QString | mOutputFormat |
| float | mOutputNodataValue = -1.0 |
| The nodata value of the output layer. More... | |
| double | mZFactor = 1.0 |
| Scale factor for z-value if x-/y- units are different to z-units (111120 for degree->meters and 370400 for degree->feet) More... | |
Detailed Description
Calculates the ruggedness index based on a 3x3 moving window. Algorithm from Riley et al. 1999: A terrain ruggedness index that quantifies topographic heterogeneity
Definition at line 28 of file qgsruggednessfilter.h.
Constructor & Destructor Documentation
◆ QgsRuggednessFilter()
| QgsRuggednessFilter::QgsRuggednessFilter | ( | const QString & | inputFile, |
| const QString & | outputFile, | ||
| const QString & | outputFormat | ||
| ) |
Definition at line 21 of file qgsruggednessfilter.cpp.
Member Function Documentation
◆ processNineCellWindow()
|
overrideprotectedvirtual |
Calculates output value from nine input values.
The input values and the output value can be equal to the nodata value if not present or outside of the border. Must be implemented by subclasses
Implements QgsNineCellFilter.
Definition at line 28 of file qgsruggednessfilter.cpp.
The documentation for this class was generated from the following files:
- /build/qgis-3.14.0+99unstable/src/analysis/raster/qgsruggednessfilter.h
- /build/qgis-3.14.0+99unstable/src/analysis/raster/qgsruggednessfilter.cpp
