cz.cuni.jagrlib.piece
Class DeadZoneQuantizer

java.lang.Object
  cz.cuni.jagrlib.DefaultProperty
      cz.cuni.jagrlib.Piece
          cz.cuni.jagrlib.piece.DeadZoneQuantizer

All Implemented Interfaces:

Breakable, PersistentParamsBinary, Property, ScalarQuantizer, Template

public class DeadZoneQuantizer
extends Piece
implements ScalarQuantizer

Linear quantizer with optional dead-zone.

See Also:

DeadZoneQuantizer.java

Field Summary

protected static java.lang.String	CATEGORY Object category.
protected double	coef Accelerator: inverse of quantizer-step.
static java.lang.String	DEAD_ZONE
protected double	deadZone Dead-zone size.
protected double	delta Quantizer-step size.
static RegPiece	reg Static registration instance for this class.
static java.lang.String	STEP
protected static java.lang.String	TEMPLATE_NAME Object template identifier.

Fields inherited from class cz.cuni.jagrlib.Piece

channels, info, pl, plugs, TEMPLATE_TYPE, userBreak

Fields inherited from interface cz.cuni.jagrlib.iface.Property

LOGGING, STATISTICS, TEXT_DESCRIPTION

Fields inherited from interface cz.cuni.jagrlib.Template

ALL_PLUGS, C_1D, C_2D, C_3D, C_ALPHA, C_BINARY, C_BREP, C_CAMERA, C_CIRCLE, C_CLIP, C_COMPRESSION, C_CURVE, C_DATA, C_DRAW, C_EDITOR, C_ELLIPSE, C_FILL, C_FILTER, C_FLOAT, C_FUNCTION, C_IMAGE, C_INTEGER, C_IO, C_LIGHT, C_LINE, C_METRIC, C_POLYGON, C_PROJECTION, C_RADIOSITY, C_RASTER, C_RENDER, C_SAMPLE, C_SCENE, C_SET, C_SOLID, C_TEXT, C_TRANSFORM, C_VECTOR, C_VIEWER, C_WORKER, CAT_EMPTY, EMPTY, IFACE, JAGRLIB, JAGRLIB2, MANIPULATOR_COMBO, MANIPULATOR_CUSTOM, MANIPULATOR_DEFAULT, MANIPULATOR_MULTILINE, PL_ALPHAMASK, PL_BITMASK, PL_CAUSTIC, PL_CODEC, PL_COLORMAP, PL_COMPARE, PL_DATA, PL_DIRECT, PL_EDITOR, PL_FILTER, PL_FUNCTION, PL_IMAGE, PL_IMPORT, PL_INPUT, PL_INTERSECTION, PL_LIGHTSOURCE, PL_ORDER, PL_OUTPUT, PL_PALETTE, PL_PHOTON, PL_PROPERTY, PL_QUANTIZER, PL_RASTER, PL_RENDER, PL_SHADOW, PL_STREAM, PL_TRANSFORM, PL_TRIGGER, PL_VOLUME, PL_WINDOW, TYPE_BOOLEAN, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INTEGER, TYPE_LONG, TYPE_OBJECT, TYPE_STRING

Constructor Summary

DeadZoneQuantizer()

Method Summary

double	dequantizeDouble(int quant) Dequantization = reconstruction (floating-point form).
int	dequantizeInt(int quant) Dequantization = reconstruction (integer form).
java.lang.Object	get(java.lang.String key) Gets the given property.
boolean	loadData(byte[] data) Loads instance parameters from (previously stored) binary data.
int	quantize(double in) Quantization (floating-point form).
int	quantize(int in) Quantization (integer form).
void	set(java.lang.String key, java.lang.Object value) Sets the given property.
void	setBounds(double inMin, double inMax, int outLevels) Sets input and output bounds.
static int	setTemplate(Template t, int ord) General-purpose registration routine.
int	setVariant(int variant) Set actual quantizer variant (context).
byte[]	storeData() Pack instance parameters into binary format.

Methods inherited from class cz.cuni.jagrlib.Piece

className, connect, findPlug, findPlug, getInfo, getInterface, getInterface, getPlug, getReg, init, isCompatible, isCompatible, isConnected, logError, logWarning, myInterface, newInputPlug, newOptOutputPlug, newOutputPlug, newPlug, noTemplates, propBegin, propBounds, propDefault, propEnd, propEnum, propManipulator, propManipulator, setProgressListener, setRegStrings, setTemplateDynamic, stop

Methods inherited from class cz.cuni.jagrlib.DefaultProperty

booleanProperty, booleanProperty, colorDoubleProperty, colorProperty, commit, doubleProperty, doubleProperty, doubleProperty, enumProperty, floatProperty, floatProperty, floatProperty, intProperty, intProperty, intProperty, longProperty, longProperty, longProperty, set, stringProperty

Methods inherited from class java.lang.Object

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

Methods inherited from interface cz.cuni.jagrlib.iface.Property

commit

Field Detail

delta

protected double delta

Quantizer-step size.

deadZone

protected double deadZone

Dead-zone size.

coef

protected double coef

Accelerator: inverse of quantizer-step.

DEAD_ZONE

public static final java.lang.String DEAD_ZONE

See Also:

Constant Field Values

STEP

public static final java.lang.String STEP

See Also:

Constant Field Values

TEMPLATE_NAME

protected static final java.lang.String TEMPLATE_NAME

Object template identifier.

See Also:

Constant Field Values

CATEGORY

protected static final java.lang.String CATEGORY

Object category.

See Also:

Constant Field Values

reg

public static final RegPiece reg

Static registration instance for this class. Automatically initialized in class-loading time.

Constructor Detail

DeadZoneQuantizer

public DeadZoneQuantizer()

Method Detail

setVariant

public int setVariant(int variant)

Set actual quantizer variant (context).

Specified by:

setVariant in interface ScalarQuantizer

Parameters:

variant - Variant number (from 0).

Returns:

Old variant number.

See Also:

setBounds(double, double, int)

setBounds

public void setBounds(double inMin,
                      double inMax,
                      int outLevels)

Sets input and output bounds.

Specified by:

setBounds in interface ScalarQuantizer

Parameters:

inMin - Dead-zone size = origin of linear reconstruction line.

inMax - Maximum value = center of maximum value step (end of linear reconstruction line).

outLevels - Number of output levels in the positive axis.

See Also:

setVariant(int)

quantize

public int quantize(double in)

Quantization (floating-point form).

Specified by:

quantize in interface ScalarQuantizer

Parameters:

in - Input floating-point value.

Returns:

Quantized value (or -1 if failed).

See Also:

quantize(int)

quantize

public int quantize(int in)

Quantization (integer form).

Specified by:

quantize in interface ScalarQuantizer

Parameters:

in - Input integer value.

Returns:

Quantized value (or -1 if failed).

See Also:

quantize(double)

dequantizeDouble

public double dequantizeDouble(int quant)

Dequantization = reconstruction (floating-point form).

Specified by:

dequantizeDouble in interface ScalarQuantizer

Parameters:

quant - Quantized value.

Returns:

Source (reconstructed) value.

See Also:

dequantizeInt(int), quantize(double)

dequantizeInt

public int dequantizeInt(int quant)

Dequantization = reconstruction (integer form).

Specified by:

dequantizeInt in interface ScalarQuantizer

Parameters:

quant - Quantized value.

Returns:

Source (reconstructed) value.

See Also:

dequantizeDouble(int), quantize(int)

storeData

public byte[] storeData()

Pack instance parameters into binary format.

Specified by:

storeData in interface PersistentParamsBinary

Returns:

Data array to be stored into binary stream. Can be null. The array can be shared by all method calls.

See Also:

loadData(byte[])

loadData

public boolean loadData(byte[] data)

Loads instance parameters from (previously stored) binary data.

Specified by:

loadData in interface PersistentParamsBinary

Parameters:

data - Binary data to be interpreted. Can be null.

Returns:

true if successful.

See Also:

storeData()

set

public void set(java.lang.String key,
                java.lang.Object value)

Sets the given property.

Specified by:

set in interface Property

Overrides:

set in class DefaultProperty

Parameters:

key - Key string.

value - The new value.

See Also:

Property.commit()

get

public java.lang.Object get(java.lang.String key)

Gets the given property.

Specified by:

get in interface Property

Overrides:

get in class DefaultProperty

Parameters:

key - Key string.

Returns:

The actual value or null.

setTemplate

public static int setTemplate(Template t,
                              int ord)

General-purpose registration routine. Sets all plugs, strings, etc. to the given Template.