Mercator::QuadInterp Class Reference

Helper to interpolate in a quad. More...

Public Member Functions
float	calc (float locX, float locY)
	Determine the interpolated value within the quad.
	QuadInterp (float size, float e1, float e2, float e3, float e4)
	Constructor. More...

Public Attributes
float	ep1
	Values at the four corners.
float	ep2
float	ep3
float	ep4

Private Attributes
float	m_size
	The length of one side of the square quad.
bool	noCalc
	Flag indicating that all points have the same value.

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.

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.

References ep1, and noCalc.

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

• Segment.cpp