Package ffx.crystal

Class ReflectionSpline

java.lang.Object

ffx.crystal.ReflectionSpline

public class ReflectionSpline
extends Object

The ReflectionSpline class represents a reflection spline basis.

Since:

1.0

Author:

Timothy D. Fenn

See Also:

• Cowtan, K. 2002. Generic representation and evaluation of properties as a function of position in reciprocal space. J. Appl. Cryst. 35:655-663.

Constructor Summary

Constructors

Constructor	Description
ReflectionSpline(ReflectionList reflectionList, int nParams)	Constructor for ReflectionSpline.

Method Summary

Modifier and Type	Method	Description
double	dfi0()	dfi0
double	dfi1()	dfi1
double	dfi2()	dfi2
double	f()	f
double	f(double invResSq, double[] params)	Evaluate basis function and derivative at a given resolution
int	i0()	i0
int	i1()	i1
int	i2()	i2

Methods inherited from class java.lang.Object

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

Constructor Details

ReflectionSpline

public ReflectionSpline(ReflectionList reflectionList,
 int nParams)

Constructor for ReflectionSpline.

Parameters:

reflectionList - a ReflectionList object.

nParams - an int.

Method Details

dfi0

public double dfi0()

dfi0

Returns:

a double.

dfi1

public double dfi1()

dfi1

Returns:

a double.

dfi2

public double dfi2()

dfi2

Returns:

a double.

f

public double f()

f

Returns:

a double.

f

public double f(double invResSq,
 double[] params)

Evaluate basis function and derivative at a given resolution

Equations 24 and 25 in Cowtan et al.

Parameters:

invResSq - resolution of desired spline interpolation

params - current spline parameters

Returns:

value at invResSq

i0

public int i0()

i0

Returns:

an int.

i1

public int i1()

i1

Returns:

an int.

i2

public int i2()

i2

Returns:

an int.