Heightfield Class Reference

2d raster with number values More...

Public Member Functions
void	blur (double alpha, _iterations, size_t unnamed)
	Smoothens the field by adjusting the value of each pixel towards the average of its neighbours. More...
bool	eliminate_invalid_cells ()
	eliminates invalid cells by repeatedly filling those cells with averages of neighboring cells More...
	Heightfield ()
double	interpolate (double x, double y) const
	returns the height at the given coordinate using piecewise constant interpolation More...
double	no_data_value () const
	returns the value which represents an invalid height More...

Detailed Description

2d raster with number values

Constructor & Destructor Documentation

Heightfield()

Heightfield

(

)

Member Function Documentation

blur()

void blur ( double  alpha, _iterations  , size_t  unnamed  )

inline

Smoothens the field by adjusting the value of each pixel towards the average of its neighbours.

Parameters

[in]	alpha,_iterations
[in]	unnamed

References alpha, and Heightfield::blur().

eliminate_invalid_cells()

bool eliminate_invalid_cells ( )

inline

eliminates invalid cells by repeatedly filling those cells with averages of neighboring cells

Returns

success

References Heightfield::eliminate_invalid_cells().

interpolate()

double interpolate ( double  x, double  y  ) const

inline

returns the height at the given coordinate using piecewise constant interpolation

Parameters

[in]	x
[in]	y

Returns

height

References Heightfield::interpolate().

no_data_value()

double no_data_value ( ) const

inline

returns the value which represents an invalid height

Returns

noDataValue

References Heightfield::no_data_value().