Helper to interpolate in a quad. More...

Public Member Functions
float	calc (float locX, float locY)
	Determine the interpolated value within the quad. More...

	QuadInterp (float size, float e1, float e2, float e3, float e4)
	Constructor. More...

Public Attributes
float	ep1
	Values at the four corners. More...

float	ep2

float	ep3

float	ep4

Detailed Description

Helper to interpolate in a quad.

The quad specified is assumed to be square of integer size, and the position specified for interpolation is specified in integer form. A check is included to avoid calculation if the value of each corner is the same.

Definition at line 68 of file HeightMap.cpp.

Constructor & Destructor Documentation

◆ QuadInterp()

Mercator::QuadInterp::QuadInterp	(	float	size,
		float	e1,
		float	e2,
		float	e3,
		float	e4
	)

inline

Constructor.

Parameters

size	length of one side of the square quad.
e1	value at one corner of the square quad.
e2	value at one corner of the square quad.
e3	value at one corner of the square quad.
e4	value at one corner of the square quad.

Definition at line 91 of file HeightMap.cpp.

References ep1.

Member Function Documentation

◆ calc()

float Mercator::QuadInterp::calc	(	float	locX,
		float	locY
	)

inline

Determine the interpolated value within the quad.

Definition at line 78 of file HeightMap.cpp.

References ep1.

Referenced by Mercator::HeightMap::fill2d().

Member Data Documentation

◆ ep1

float Mercator::QuadInterp::ep1

Values at the four corners.

Definition at line 76 of file HeightMap.cpp.

Referenced by calc(), and QuadInterp().

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

HeightMap.cpp

Public Member Functions