java.lang.Object
- java.lang.Thread
- - gov.nih.mipav.model.algorithms.AlgorithmBase
  - - gov.nih.mipav.model.algorithms.HartleyTransform

All Implemented Interfaces:

java.awt.event.ActionListener, java.awt.event.WindowListener, java.lang.Runnable, java.util.EventListener
```
public class HartleyTransform
extends AlgorithmBase
```
The MIT License (MIT) Copyright (c) 2015 Eugeniy Sokol Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Nested Class Summary
- Nested classes/interfaces inherited from class java.lang.Thread
  java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields
Modifier and Type	Field	Description
`private static double`	`cos22`
`private static double`	`cos45`
`private int[]`	`fht_instance_count`
`private int[]`	`fht_revbin_counts`
`private int[][]`	`fht_revbin_tables`
`private double[][]`	`fht_trig_tables`
`private ModelImage`	`inverseImage`
`private int`	`ldn`
`private static double`	`pi`
`private static double`	`pi4`
`private static double`	`sin22`
`private int`	`size`
`private static double`	`sqrt2`
`private ModelImage`	`transformImage`

Fields inherited from class gov.nih.mipav.model.algorithms.AlgorithmBase
destFlag, destImage, image25D, mask, maxProgressValue, minProgressValue, multiThreadingEnabled, nthreads, progress, progressModulus, progressStep, runningInSeparateThread, separable, srcImage, threadStopped

Fields inherited from class java.lang.Thread
MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors
Constructor	Description
`HartleyTransform()`
`HartleyTransform(int size)`
`HartleyTransform(ModelImage transformImage, ModelImage inverseImage, ModelImage srcImg)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private void`	`addsub(double[] u, double[] v)`
`private void`	`addsub(double[] u, double[] v, double scale)`
`void`	`back_transform(double[] fht_data)`
`void`	`finalize()`	Calls garbage collector to release system resources.
`double[]`	`get_frequency(double[] fht_data, int number)`
`void`	`hartley_multiply(double[] fht_data, double[] fht_fir, boolean scaled)`
`private void`	`revbin_permute(double[] data)`
`private void`	`rotate(double[] u, double[] v, double c, double s)`
`void`	`runAlgorithm()`	Actually runs the algorithm.
`void`	`show(double[] data, int size)`
`private void`	`step_addsub(double[] data, int ldn)`
`private void`	`step_addsub4(double[] data)`
`private void`	`step_addsub8(double[] data)`
`private void`	`step_rotate(double[] data, int ldn)`
`private void`	`step_rotate8(double[] data)`
`void`	`testHartley()`
`void`	`transform(double[] data, boolean scaled)`
`private double`	`zabs(double zr, double zi)`	zabs computes the absolute value or magnitude of a double precision complex variable zr + j*zi.

Methods inherited from class gov.nih.mipav.model.algorithms.AlgorithmBase
actionPerformed, addListener, addProgressChangeListener, calculateImageSize, calculatePrincipleAxis, computeElapsedTime, computeElapsedTime, convertIntoFloat, delinkProgressToAlgorithm, delinkProgressToAlgorithmMulti, displayError, errorCleanUp, fireProgressStateChanged, fireProgressStateChanged, fireProgressStateChanged, fireProgressStateChanged, fireProgressStateChanged, generateProgressValues, getDestImage, getElapsedTime, getMask, getMaxProgressValue, getMinProgressValue, getNumberOfThreads, getProgress, getProgressChangeListener, getProgressChangeListeners, getProgressModulus, getProgressStep, getProgressValues, getSrcImage, isCompleted, isImage25D, isMultiThreadingEnabled, isRunningInSeparateThread, isThreadStopped, linkProgressToAlgorithm, linkProgressToAlgorithm, makeProgress, notifyListeners, removeListener, removeProgressChangeListener, run, setCompleted, setImage25D, setMask, setMaxProgressValue, setMinProgressValue, setMultiThreadingEnabled, setNumberOfThreads, setProgress, setProgressModulus, setProgressStep, setProgressValues, setProgressValues, setRunningInSeparateThread, setSrcImage, setStartTime, setThreadStopped, startMethod, windowActivated, windowClosed, windowClosing, windowDeactivated, windowDeiconified, windowIconified, windowOpened

Methods inherited from class java.lang.Thread
activeCount, checkAccess, clone, countStackFrames, currentThread, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, onSpinWait, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, suspend, toString, yield

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

Field Detail

transformImage
```
private ModelImage transformImage
```

inverseImage
```
private ModelImage inverseImage
```

pi
```
private static final double pi
```
See Also:

Constant Field Values

pi4
```
private static final double pi4
```
See Also:

Constant Field Values

sqrt2
```
private static final double sqrt2
```
See Also:

Constant Field Values

cos45
```
private static final double cos45
```
See Also:

Constant Field Values

cos22
```
private static final double cos22
```
See Also:

Constant Field Values

sin22
```
private static final double sin22
```
See Also:

Constant Field Values

fht_instance_count
```
private int[] fht_instance_count
```

fht_trig_tables
```
private double[][] fht_trig_tables
```

fht_revbin_tables
```
private int[][] fht_revbin_tables
```

fht_revbin_counts
```
private int[] fht_revbin_counts
```

size
```
private int size
```

ldn
```
private int ldn
```

Constructor Detail

HartleyTransform
```
public HartleyTransform()
```

HartleyTransform
```
public HartleyTransform(int size)
```

HartleyTransform

public HartleyTransform(ModelImage transformImage,
                        ModelImage inverseImage,
                        ModelImage srcImg)

Method Detail

finalize
```
public void finalize()
```
Description copied from class: AlgorithmBase

Calls garbage collector to release system resources.

Overrides:

finalize in class AlgorithmBase

show

public void show(double[] data,
                 int size)

testHartley
```
public void testHartley()
```

transform

public void transform(double[] data,
                      boolean scaled)

back_transform

public void back_transform(double[] fht_data)

hartley_multiply

public void hartley_multiply(double[] fht_data,
                             double[] fht_fir,
                             boolean scaled)

get_frequency

public double[] get_frequency(double[] fht_data,
                              int number)

revbin_permute

private void revbin_permute(double[] data)

step_addsub

private void step_addsub(double[] data,
                         int ldn)

step_rotate

private void step_rotate(double[] data,
                         int ldn)

step_addsub8

private void step_addsub8(double[] data)

step_rotate8

private void step_rotate8(double[] data)

step_addsub4

private void step_addsub4(double[] data)

addsub

private void addsub(double[] u,
                    double[] v)

addsub

private void addsub(double[] u,
                    double[] v,
                    double scale)

rotate

private void rotate(double[] u,
                    double[] v,
                    double c,
                    double s)

zabs
```
private double zabs(double zr,
                    double zi)
```
zabs computes the absolute value or magnitude of a double precision complex variable zr + j*zi.

Parameters:

zr - double

zi - double

Returns:

double

runAlgorithm
```
public void runAlgorithm()
```
Description copied from class: AlgorithmBase

Actually runs the algorithm. Implemented by inheriting algorithms.

Specified by:

runAlgorithm in class AlgorithmBase

Class HartleyTransform

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Field Summary

Fields inherited from class gov.nih.mipav.model.algorithms.AlgorithmBase

Fields inherited from class java.lang.Thread

Constructor Summary

Method Summary

Methods inherited from class gov.nih.mipav.model.algorithms.AlgorithmBase

Methods inherited from class java.lang.Thread

Methods inherited from class java.lang.Object

Field Detail

transformImage

inverseImage

pi

pi4

sqrt2

cos45

cos22

sin22

fht_instance_count

fht_trig_tables

fht_revbin_tables

fht_revbin_counts

size

ldn

Constructor Detail

HartleyTransform

HartleyTransform

HartleyTransform

Method Detail

finalize

show

testHartley

transform

back_transform

hartley_multiply

get_frequency

revbin_permute

step_addsub

step_rotate

step_addsub8

step_rotate8

step_addsub4

addsub

addsub

rotate

zabs

runAlgorithm