Spectrum3d

java.lang.Object
- javax.vecmath.Tuple3d
- - de.grogra.ray.physics.Spectrum3d

All Implemented Interfaces:

Spectrum, DoubleToDouble, java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

Collector3d, CollectorW3d
```
public class Spectrum3d
extends Tuple3d
implements Spectrum
```
This class implements a spectrum which is represented by three double values which are interpreted as the red, green and blue part of the spectrum. Specta of this class are compatible with each other and with spectra of class Spectrum3f.

Author:

Ole Kniemeyer

See Also:
Serialized Form

Field Summary
- Fields inherited from class javax.vecmath.Tuple3d
  x, y, z

Constructor Summary

Constructors
Constructor and Description

Spectrum3d()

Spectrum3d(double x, double y, double z)

Constructors
Constructor and Description
`Spectrum3d()`
`Spectrum3d(double x, double y, double z)`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`add(Spectrum s)` Adds the function `spec` to this function.
`void`	`clampMinZero()`
`Spectrum3d`	`clone()` Returns a clone of this spectrum.
`void`	`div(Spectrum s)` Performs an componentwise division of this spectrum by `spec`.
`void`	`div(Tuple3d t)` Performs a pointwise division of this spectrum by the given RGB spectum `factor`.
`void`	`div(Tuple3f t)` Performs a pointwise division of this spectrum by the given RGB spectum `factor`.
`void`	`dot(Spectrum s, Tuple3d out)` Computes the scalar product of this spectrum with `spec`, i.e., the integral of the pointwise product of both spectra over all frequencies.
`double`	`evaluateDouble(double nu)` Evaluates the spectrum at frequency `nu` (measured in Hz).
`void`	`get(Tuple3f out)` Computes the RGB spectrum `color` for this spectrum.
`double`	`getMax()`
`double`	`integrate()` Returns the integral over all frequencies of this spectrum.
`void`	`mul(Spectrum s)` Performs an componentwise multiplication of this spectrum by `spec`.
`void`	`mul(Tuple3d t)` Performs a pointwise multiplication of this spectrum by the given RGB spectum `factor`.
`void`	`mul(Tuple3f t)` Performs a pointwise multiplication of this spectrum by the given RGB spectum `factor`.
`Spectrum3d`	`newInstance()` Returns a new instance of the class of this spectrum.
`void`	`set(Spectrum s)` Sets this spectrum to `spec`.
`void`	`setIdentity()` Sets this spectrum to the identity, i.e., its value is 1 everywhere.
`void`	`setZero()` Sets this spectrum to the zero function.
`void`	`sub(Spectrum s)` Subtracts the function `spec` from this function.
`double`	`sum()` Computes the spectrum sum

Methods inherited from class javax.vecmath.Tuple3d
absolute, absolute, add, add, clamp, clamp, clampMax, clampMax, clampMin, clampMin, epsilonEquals, equals, equals, get, get, get, hashCode, interpolate, interpolate, max, min, negate, negate, scale, scale, scaleAdd, scaleAdd, set, set, set, set, sub, sub, toString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface de.grogra.ray.physics.Spectrum
get, scale, set, set

- Constructor Detail
  - Spectrum3d
```
public Spectrum3d()
```
  - Spectrum3d
```
public Spectrum3d(double x,
          double y,
          double z)
```
- Method Detail
  - add
```
public void add(Spectrum s)
```
    Description copied from interface: Spectrum
    
    Adds the function spec to this function. spec has to be compatible with this spectrum (usually this means that it has to be of the same class).
    
    Specified by:
    
    add in interface Spectrum
    
    Parameters:
    s - the spectrum to add
  - clampMinZero
```
public void clampMinZero()
```
    Specified by:
    
    clampMinZero in interface Spectrum
  - clone
```
public Spectrum3d clone()
```
    Description copied from interface: Spectrum
    
    Returns a clone of this spectrum.
    
    Specified by:
    
    clone in interface Spectrum
    
    Specified by:
    
    clone in class Tuple3d
    
    Returns:
    clone of this spectrum
  - div
```
public void div(Spectrum s)
```
    Description copied from interface: Spectrum
    
    Performs an componentwise division of this spectrum by spec. spec has to be compatible with this spectrum (usually this means that it has to be of the same class). The result of each component is stored in this spectrum. Note that a factor with 0 causes a ArithmeticException
    
    Specified by:
    
    div in interface Spectrum
    
    Parameters:
    s - the spectrum to divide with
  - div
```
public void div(Tuple3d t)
```
    Description copied from interface: Spectrum
    
    Performs a pointwise division of this spectrum by the given RGB spectum factor. Note that a factor with 0 causes a ArithmeticException
    
    Specified by:
    
    div in interface Spectrum
    
    Parameters:
    t - the divisor
  - div
```
public void div(Tuple3f t)
```
    Description copied from interface: Spectrum
    
    Performs a pointwise division of this spectrum by the given RGB spectum factor. Note that a factor with 0 causes a ArithmeticException
    
    Specified by:
    
    div in interface Spectrum
    
    Parameters:
    t - the divisor
  - dot
```
public void dot(Spectrum s,
       Tuple3d out)
```
    Description copied from interface: Spectrum
    
    Computes the scalar product of this spectrum with spec, i.e., the integral of the pointwise product of both spectra over all frequencies. The integration is split into three parts: The first part ranges over the red part of the spectrum, its result is stored in out.x. The second part ranges over the green part of the spectrum and is stored in out.y, the third part ranges over the blue part and is stored in out.z.
    
    Specified by:
    
    dot in interface Spectrum
    
    Parameters:
    s - another spectrum
    out - result of dot product, split into three integration domains
  - evaluateDouble
```
public double evaluateDouble(double nu)
```
    Description copied from interface: Spectrum
    
    Evaluates the spectrum at frequency nu (measured in Hz).
    
    Specified by:
    
    evaluateDouble in interface Spectrum
    
    Specified by:
    
    evaluateDouble in interface DoubleToDouble
    
    Parameters:
    nu - frequency in Hz
    
    Returns:
    function value at nu
  - get
```
public void get(Tuple3f out)
```
    Description copied from interface: Spectrum
    
    Computes the RGB spectrum color for this spectrum.
    
    Specified by:
    
    get in interface Spectrum
    
    Parameters:
    out - RGB spectrum will be placed in here
  - getMax
```
public double getMax()
```
    Specified by:
    
    getMax in interface Spectrum
  - integrate
```
public double integrate()
```
    Description copied from interface: Spectrum
    
    Returns the integral over all frequencies of this spectrum.
    
    Specified by:
    
    integrate in interface Spectrum
    
    Returns:
    integrated spectrum over all frequencies
  - mul
```
public void mul(Spectrum s)
```
    Description copied from interface: Spectrum
    
    Performs an componentwise multiplication of this spectrum by spec. spec has to be compatible with this spectrum (usually this means that it has to be of the same class). The result of each component is stored in this spectrum.
    
    Specified by:
    
    mul in interface Spectrum
    
    Parameters:
    s - the spectrum to multiply with
  - mul
```
public void mul(Tuple3d t)
```
    Description copied from interface: Spectrum
    
    Performs a pointwise multiplication of this spectrum by the given RGB spectum factor.
    
    Specified by:
    
    mul in interface Spectrum
    
    Parameters:
    t - the multiplicator
  - mul
```
public void mul(Tuple3f t)
```
    Description copied from interface: Spectrum
    
    Performs a pointwise multiplication of this spectrum by the given RGB spectum factor.
    
    Specified by:
    
    mul in interface Spectrum
    
    Parameters:
    t - the multiplicator
  - newInstance
```
public Spectrum3d newInstance()
```
    Description copied from interface: Spectrum
    
    Returns a new instance of the class of this spectrum. It is initialized to the zero function.
    
    Specified by:
    
    newInstance in interface Spectrum
    
    Returns:
    new instance of same class
  - set
```
public void set(Spectrum s)
```
    Description copied from interface: Spectrum
    
    Sets this spectrum to spec. spec has to be compatible with this spectrum (usually this means that it has to be of the same class).
    
    Specified by:
    
    set in interface Spectrum
    
    Parameters:
    s - another spectrum
  - setIdentity
```
public void setIdentity()
```
    Description copied from interface: Spectrum
    
    Sets this spectrum to the identity, i.e., its value is 1 everywhere.
    
    Specified by:
    
    setIdentity in interface Spectrum
  - setZero
```
public void setZero()
```
    Description copied from interface: Spectrum
    
    Sets this spectrum to the zero function.
    
    Specified by:
    
    setZero in interface Spectrum
  - sub
```
public void sub(Spectrum s)
```
    Description copied from interface: Spectrum
    
    Subtracts the function spec from this function. spec has to be compatible with this spectrum (usually this means that it has to be of the same class).
    
    Specified by:
    
    sub in interface Spectrum
    
    Parameters:
    s - the spectrum to subtract
  - sum
```
public double sum()
```
    Description copied from interface: Spectrum
    
    Computes the spectrum sum
    
    Specified by:
    
    sum in interface Spectrum

Class Spectrum3d

Field Summary

Fields inherited from class javax.vecmath.Tuple3d

Constructor Summary

Method Summary

Methods inherited from class javax.vecmath.Tuple3d

Methods inherited from class java.lang.Object

Methods inherited from interface de.grogra.ray.physics.Spectrum

Constructor Detail

Spectrum3d

Spectrum3d

Method Detail

add

clampMinZero

clone

div

div

div

dot

evaluateDouble

get

getMax

integrate

mul

mul

mul

newInstance

set

setIdentity

setZero

sub

sum