org.gvsig.raster.impl.grid.filter.segmentation

Class FirstDerivativeFilter

java.lang.Object

org.gvsig.fmap.dal.coverage.grid.filter.BaseRasterFilter

org.gvsig.raster.impl.grid.filter.segmentation.FirstDerivativeFilter

All Implemented Interfaces:

java.lang.Cloneable, RasterFilter

Direct Known Subclasses:

FirstDerivativeByteFilter, FirstDerivativeDoubleFilter, FirstDerivativeFloatFilter, FirstDerivativeIntegerFilter, FirstDerivativeShortFilter

public class FirstDerivativeFilter
extends BaseRasterFilter

Clase base para los filtros de primera derivada.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	compare
protected boolean	hasTransparency
static java.lang.String[]	names
protected int	nBandsToProcess
protected Kernel	operatorH
protected Kernel	operatorV
static int	TYPE_FREICHEN
static int	TYPE_PREWITT
static int	TYPE_ROBERTS
static int	TYPE_SOBEL
protected int	umbral

Fields inherited from class org.gvsig.fmap.dal.coverage.grid.filter.BaseRasterFilter

colorInterpretation, environment, exec, extent, height, managername, params, PERSISTENT_DESCRIPTION, PERSISTENT_NAME, raster, rasterResult, taskEventManager, transparency, util, width

Fields inherited from interface org.gvsig.fmap.dal.coverage.grid.RasterFilter

RESULT_BUFFER, RESULT_TRANSPARENCY

Constructor Summary

Constructors

Constructor and Description
FirstDerivativeFilter() Constructor

Method Summary

Modifier and Type	Method and Description
java.lang.String	getGroup() Obtiene el grupo del filtro
int	getInRasterDataType() Obtiene el tipo de datos del raster de entrada
java.lang.String[]	getNames() Gets the list of specific filter names.
int	getOutRasterDataType() Obtiene el tipo de datos del raster de salida
Params	getUIParams(java.lang.String nameFilter) Obtener que datos puede tratar una interfaz con sus valores
int	getUmbral() Obtiene el umbral
void	post() Función que contiene el código a ejecutar despues de aplicar el filtro
void	pre() Code to execute before apply a filter
void	process(int x, int y) Ejecución del filtro para un pixel de la imagen

Methods inherited from class org.gvsig.fmap.dal.coverage.grid.filter.BaseRasterFilter

addParam, clone, createARGBBufferResult, createBufferResult, dispose, execute, finalize, getColorInterpretation, getEnv, getInputBuffer, getManagerName, getName, getOutputBuffer, getParam, getParams, getPercent, getResult, hasInputTransparency, isExec, isToConvertToRGB, isVisible, numberOfBandsToProcess, removeParam, resetPercent, setEnv, setExec, setExtent, setName, setParams, writeAlphaBand

Methods inherited from class java.lang.Object

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

Field Detail

names

public static java.lang.String[] names

TYPE_SOBEL

public static final int TYPE_SOBEL

See Also:

Constant Field Values

TYPE_ROBERTS

public static final int TYPE_ROBERTS

See Also:

Constant Field Values

TYPE_PREWITT

public static final int TYPE_PREWITT

See Also:

Constant Field Values

TYPE_FREICHEN

public static final int TYPE_FREICHEN

See Also:

Constant Field Values

umbral

protected int umbral

compare

protected boolean compare

operatorH

protected Kernel operatorH

operatorV

protected Kernel operatorV

nBandsToProcess

protected int nBandsToProcess

hasTransparency

protected boolean hasTransparency

Constructor Detail

FirstDerivativeFilter

public FirstDerivativeFilter()

Constructor

Method Detail

pre

public void pre()
         throws FilterAddException

Description copied from class: BaseRasterFilter

Code to execute before apply a filter

Specified by:

pre in interface RasterFilter

Overrides:

pre in class BaseRasterFilter

Throws:

FilterAddException

getUmbral

public int getUmbral()

Obtiene el umbral

Returns:

entero que representa el umbral

getGroup

public java.lang.String getGroup()

Description copied from interface: RasterFilter

Obtiene el grupo del filtro

Specified by:

getGroup in interface RasterFilter

Specified by:

getGroup in class BaseRasterFilter

Returns:

post

public void post()

Description copied from class: BaseRasterFilter

Función que contiene el código a ejecutar despues de aplicar el filtro

Specified by:

post in interface RasterFilter

Specified by:

post in class BaseRasterFilter

getNames

public java.lang.String[] getNames()

Description copied from interface: RasterFilter

Gets the list of specific filter names. Each kind of filter can have a list of specific types. This function returns the names of this filters

Specified by:

getNames in interface RasterFilter

Specified by:

getNames in class BaseRasterFilter

Returns:

getUIParams

public Params getUIParams(java.lang.String nameFilter)

Description copied from interface: RasterFilter

Obtener que datos puede tratar una interfaz con sus valores

Specified by:

getUIParams in interface RasterFilter

Specified by:

getUIParams in class BaseRasterFilter

Returns:

getInRasterDataType

public int getInRasterDataType()

Description copied from class: BaseRasterFilter

Obtiene el tipo de datos del raster de entrada

Specified by:

getInRasterDataType in interface RasterFilter

Specified by:

getInRasterDataType in class BaseRasterFilter

Returns:

Tipo de dato

getOutRasterDataType

public int getOutRasterDataType()

Description copied from class: BaseRasterFilter

Obtiene el tipo de datos del raster de salida

Specified by:

getOutRasterDataType in interface RasterFilter

Specified by:

getOutRasterDataType in class BaseRasterFilter

Returns:

Tipo de dato

process

public void process(int x,
                    int y)

Description copied from class: BaseRasterFilter

Ejecución del filtro para un pixel de la imagen

Specified by:

process in interface RasterFilter

Specified by:

process in class BaseRasterFilter

Parameters:

x - posición X

y - posición Y