27 float *x22,
float *x32,
float *x13,
float *x23,
float *x33 )
39 double dxy = ( -*x11 + *x31 + *x13 - *x33 ) / ( 4 * cellSizeAvg * cellSizeAvg );
42 return dxx * dxx + 2 * dxy * dxy + dyy * dyy;
QgsTotalCurvatureFilter(const QString &inputFile, const QString &outputFile, const QString &outputFormat)
float processNineCellWindow(float *x11, float *x21, float *x31, float *x12, float *x22, float *x32, float *x13, float *x23, float *x33) override
Calculates total curvature from nine input values.
float mOutputNodataValue
The nodata value of the output layer.
float mInputNodataValue
The nodata value of the input layer.
Base class for raster analysis methods that work with a 3x3 cell filter and calculate the value of ea...