A simple dune model. More...

#include <analyticfield.h>

Inheritance diagram for AnalyticFieldDune:

Public Member Functions
	AnalyticFieldDune (const double &, const double &, const double &)
	Create a dune node.

	~AnalyticFieldDune ()
	Empty.

double	Value (const Vector2 &) const
	Return the field value at a given position.

int	Memory () const
	Compute the size of a node.

Public Member Functions inherited from AnalyticHeightField
	AnalyticHeightField ()
	Empty.

virtual double	Height (const Vector2 &) const
	Compute elevation at a given point.

virtual Vector	Normal (const Vector2 &) const
	Compute the normal to the field.

HeightField	CreateHeightField (const Box2 &, int, int) const
	Create a HeightField given an input domain.

double	Slope (const Vector2 &) const
	Compute the slope at a given point.

double	AverageSlope (const Vector2 &, int=8) const
	Compute the average slope at a given point.

double	Slope (const Vector2 &, const Vector2 &) const
	Compute the slope in a given direction and at a given point.

QVector< double >	Cross (const Vector2 &, const Vector2 &, int) const
	Compute the elevation along a segment.

Protected Attributes
double	e
	Noise function.

double	a
	Amplitude.

double	w
	Average wavelength between dunes.

Additional Inherited Members
Static Public Member Functions inherited from AnalyticHeightField
static double	Ridge (const double &, const double &=0.0)
	Ridge function.

Static Protected Attributes inherited from AnalyticHeightField
static double	Epsilon = 1e-6
	Epsilon value used for gradient computation.

Detailed Description

A simple dune model.

Constructor & Destructor Documentation

AnalyticFieldDune::AnalyticFieldDune	(	const double &	e,
		const double &	a,
		const double &	w )

Create a dune node.

Parameters

double AnalyticFieldDune::Value ( const Vector2 & p ) const

virtual

Return the field value at a given position.

Parameters

p Point.

double AnalyticFieldDune::e

protected

Noise function.

Base elevation.