Calculates total curvature as described by Wilson, Gallant (2000): terrain analysis. More...

Inheritance diagram for QgsTotalCurvatureFilter:

Collaboration diagram for QgsTotalCurvatureFilter:

Public Member Functions
	QgsTotalCurvatureFilter (const QString &inputFile, const QString &outputFile, const QString &outputFormat)
	~QgsTotalCurvatureFilter ()
Protected Member Functions
float	processNineCellWindow (float x11, float x21, float x31, float x12, float x22, float x32, float x13, float x23, float *x33)
	Calculates total curvature from nine input values.

Detailed Description

Calculates total curvature as described by Wilson, Gallant (2000): terrain analysis.

Definition at line 24 of file qgstotalcurvaturefilter.h.

Constructor & Destructor Documentation

QgsTotalCurvatureFilter::QgsTotalCurvatureFilter	(	const QString &	inputFile,
		const QString &	outputFile,
		const QString &	outputFormat
	)

QgsTotalCurvatureFilter::~QgsTotalCurvatureFilter ( )

float QgsTotalCurvatureFilter::processNineCellWindow	(	float *	x11,
		float *	x21,
		float *	x31,
		float *	x12,
		float *	x22,
		float *	x32,
		float *	x13,
		float *	x23,
		float *	x33
	)		`[protected, virtual]`

Calculates total curvature 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

The documentation for this class was generated from the following files: