org.gvsig.raster.impl.store.properties

Class MultiProviderHistogramComputer

java.lang.Object

org.gvsig.raster.impl.store.properties.MultiProviderHistogramComputer

All Implemented Interfaces:

BaseIncrementableTask, IncrementableTask, HistogramComputer

Direct Known Subclasses:

RemoteStoreHistogram

public class MultiProviderHistogramComputer
extends java.lang.Object
implements HistogramComputer

Clase para la gestión de histogramas de un raster formado por una lista de ficheros. Para devolver un histograma pedirá el histograma a todos los ficheros que componen el multifichero.

Constructor Summary

Constructors

Constructor and Description
MultiProviderHistogramComputer(RasterProvider provider) Constructor

Method Summary

Modifier and Type	Method and Description
BufferHistogram	getBufferHistogram() Obtiene el histograma.
java.lang.String	getLog() Devuelve el contenido del log del IncrementableTask
double	getMaximum() Obtiene el maximo valor de las estadisticas de un histograma.
double	getMinimum() Obtiene el minimo valor de las estadisticas de un histograma.
int	getNumberOfProviders() Returns the number of providers.
int	getPercent() Obtiene el porcentaje de proceso en la construcción del histograma,
boolean	isCancelable() Determines if this process can be canceled.
boolean	isPausable() Determines if this process can be paused.
void	refreshHistogram() Force to recalculate the histogram next time that the method getBufferHistogram be called
void	resetPercent() Pone a cero el porcentaje de progreso del proceso de calculo de histograma
void	setPercent(int value) Sets the increment of this task
void	setScaleHistogram(double scale) This value represents the percentage of the image that will be used for this process.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiProviderHistogramComputer

public MultiProviderHistogramComputer(RasterProvider provider)

Constructor

Parameters:

dataset -

Method Detail

setScaleHistogram

public void setScaleHistogram(double scale)

Description copied from interface: HistogramComputer

This value represents the percentage of the image that will be used for this process. The default value is one, that means that the entire image will be processed

Specified by:

setScaleHistogram in interface HistogramComputer

getBufferHistogram

public BufferHistogram getBufferHistogram()
                                   throws ProcessInterruptedException,
                                          HistogramException

Obtiene el histograma. Pregunta a todos los datasets que forman el multidataset por su histograma y luego los fusiona.

Specified by:

getBufferHistogram in interface HistogramComputer

Returns:

histograma

Throws:

HistogramException

ProcessInterruptedException

resetPercent

public void resetPercent()

Pone a cero el porcentaje de progreso del proceso de calculo de histograma

Specified by:

resetPercent in interface HistogramComputer

getPercent

public int getPercent()

Obtiene el porcentaje de proceso en la construcción del histograma,

Specified by:

getPercent in interface BaseIncrementableTask

Returns:

porcentaje de progreso

getMaximum

public double getMaximum()

Description copied from interface: HistogramComputer

Obtiene el maximo valor de las estadisticas de un histograma.

Specified by:

getMaximum in interface HistogramComputer

Returns:

double

getMinimum

public double getMinimum()

Description copied from interface: HistogramComputer

Obtiene el minimo valor de las estadisticas de un histograma.

Specified by:

getMinimum in interface HistogramComputer

Returns:

double

refreshHistogram

public void refreshHistogram()

Description copied from interface: HistogramComputer

Force to recalculate the histogram next time that the method getBufferHistogram be called

Specified by:

refreshHistogram in interface HistogramComputer

getNumberOfProviders

public int getNumberOfProviders()

Returns the number of providers.

Returns:

getLog

public java.lang.String getLog()

Description copied from interface: IncrementableTask

Devuelve el contenido del log del IncrementableTask

Specified by:

getLog in interface IncrementableTask

Returns:

String

isCancelable

public boolean isCancelable()

Description copied from interface: IncrementableTask

Determines if this process can be canceled.

Specified by:

isCancelable in interface IncrementableTask

Returns:

true if this process can be canceled, otherwise false

isPausable

public boolean isPausable()

Description copied from interface: IncrementableTask

Determines if this process can be paused.

Specified by:

isPausable in interface IncrementableTask

Returns:

true if this process can be paused, otherwise false

setPercent

public void setPercent(int value)

Description copied from interface: BaseIncrementableTask

Sets the increment of this task

Specified by:

setPercent in interface BaseIncrementableTask