cz.cuni.jagrlib.piece
Class LinearQuantizer

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

All Implemented Interfaces:

Breakable, PersistentParamsBinary, Property, ScalarQuantizer, Template

public class LinearQuantizer
extends Piece
implements ScalarQuantizer

Linear scalar quantizer.

See Also:

LinearQuantizer.java

Field Summary

protected static java.lang.String	CATEGORY Object category.
protected double	coef Accelerator (quantization multiplier).
protected double	deCoef Accelerator (reconstruction multiplier).
protected double	iMax Maximal input value.
protected double	iMin Minimal input value.
protected int	levels Number of output levels.
static java.lang.String	LEVELS
static java.lang.String	MAX_VALUE
static java.lang.String	MIN_VALUE
static RegPiece	reg Static registration instance for this class.
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

LinearQuantizer()

Method Summary

void	commit() Commits all previous changes to the internal object state.
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, 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

Field Detail

iMin

protected double iMin

Minimal input value.

iMax

protected double iMax

Maximal input value.

levels

protected int levels

Number of output levels.

coef

protected double coef

Accelerator (quantization multiplier).

deCoef

protected double deCoef

Accelerator (reconstruction multiplier).

MIN_VALUE

public static final java.lang.String MIN_VALUE

See Also:

Constant Field Values

MAX_VALUE

public static final java.lang.String MAX_VALUE

See Also:

Constant Field Values

LEVELS

public static final java.lang.String LEVELS

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

LinearQuantizer

public LinearQuantizer()

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 - Input value minimum.

inMax - Input value maximum.

outLevels - Number of output levels.

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.

commit

public void commit()

Commits all previous changes to the internal object state. Non-mandatory.

Specified by:

commit in interface Property

Overrides:

commit in class DefaultProperty

setTemplate

public static int setTemplate(Template t,
                              int ord)

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