Mercator::QuadInterp Class Reference

Helper to interpolate in a quad. More...

List of all members.

Public Member Functions
float	calc (int locX, int locY)
	Determine the interpolated value within the quad.
	QuadInterp (int size, float e1, float e2, float e3, float e4)
	Constructor.
Public Attributes
float	ep1
	Values at the four corners.
float	ep2
float	ep3
float	ep4
Private Attributes
int	m_size
	The length of one side of the square quad.
bool	noCalc
	Flag indicating that all points have the same value.

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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.

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Constructor & Destructor Documentation

Mercator::QuadInterp::QuadInterp	(	int	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