Package ffx.numerics.spline

Class TriCubicSpline

java.lang.Object

ffx.numerics.spline.TriCubicSpline

public class TriCubicSpline
extends Object

TriCubicSpline class.

Since:

1.0

Author:

Timothy D. Fenn

See Also:

• Catmull-Rom splines

Constructor Summary

Constructors

Constructor	Description
TriCubicSpline()	Initialize Spline function.

Method Summary

Modifier and Type	Method	Description
double	spline(double dx, double dy, double dz, double[][][] scalar, double[] g)	Determine the spline value at a given point.

Methods inherited from class java.lang.Object

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

Constructor Details

TriCubicSpline

public TriCubicSpline()

Initialize Spline function.

Method Details

spline

public double spline(double dx,
 double dy,
 double dz,
 double[][][] scalar,
 @Nullable
 double[] g)

Determine the spline value at a given point.

Parameters:

dx - delta between point and previous grid point in X

dy - delta between point and previous grid point in Y

dz - delta between point and previous grid point in Z

scalar - 3d array in x,y,z order of 3D scalar data

g - gradient array (can be null)

Returns:

the interpolated scalar value at the requested point