toxi.math
Class ZoomLensInterpolation

java.lang.Object
  toxi.math.ZoomLensInterpolation

All Implemented Interfaces:

InterpolateStrategy

public class ZoomLensInterpolation
extends java.lang.Object
implements InterpolateStrategy

This class provides an adjustable zoom lens to either bundle or dilate values around a focal point within a given interval. For a example use cases, please have a look at the provided ScaleMapDataViz and ZoomLens examples.

Constructor Summary

ZoomLensInterpolation()

ZoomLensInterpolation(float lensPos, float lensStrength)

Method Summary

float	interpolate(float min, float max, float t) Implements an interpolation equation.
void	setLensPos(float pos, float smooth)
void	setLensStrength(float str, float smooth)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ZoomLensInterpolation

public ZoomLensInterpolation()

ZoomLensInterpolation

public ZoomLensInterpolation(float lensPos,
                             float lensStrength)

Method Detail

interpolate

public float interpolate(float min,
                         float max,
                         float t)

Description copied from interface: InterpolateStrategy

Implements an interpolation equation.

Specified by:

interpolate in interface InterpolateStrategy

Parameters:

min - current value

max - target value

t - normalized interpolation factor (0.0 .. 1.0)

Returns:

interpolated value

setLensPos

public void setLensPos(float pos,
                       float smooth)

setLensStrength

public void setLensStrength(float str,
                            float smooth)