com.bbn.openmap.omGraphics
Class NatCubicSpline

java.lang.Object
  |
  +--com.bbn.openmap.omGraphics.NatCubicSpline

Direct Known Subclasses:

NatCubicClosedSpline

public class NatCubicSpline

extends java.lang.Object

A natural cubic spline calculation.

Version:

21 juil. 2002

Author:

Eric LEPICIER

See Also:

Splines

Constructor Summary

NatCubicSpline()

Method Summary

float[]	calc(float[] llpoints, float precision) Calculates a float lat/lon cubic spline
int[][]	calc(int[] xpoints, int[] ypoints) Calculates a cubic spline polyline
int	getSteps() Returns the steps.
void	setSteps(int steps) Sets the number of points (steps) interpolated on the curve between the original points to draw it as a polyline.

Methods inherited from class java.lang.Object

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

Constructor Detail

NatCubicSpline

public NatCubicSpline()

Method Detail

calc

public int[][] calc(int[] xpoints,
                    int[] ypoints)

Calculates a cubic spline polyline

Parameters:

xpoints -

ypoints -

Returns:

int[][]

calc

public float[] calc(float[] llpoints,
                    float precision)

Calculates a float lat/lon cubic spline

Parameters:

llpoints -

precision - for dividing floating coordinates to become int, e.g 0.01 means spline to be calculated with coordinates * 100

Returns:

float[]

getSteps

public int getSteps()

Returns the steps.

Returns:

int

setSteps

public void setSteps(int steps)

Sets the number of points (steps) interpolated on the curve between the original points to draw it as a polyline.

Parameters:

steps - The steps to set