org.gvsig.fmap.mapcontext.raster.impl

Class DefaultRasterLayer

java.lang.Object

org.gvsig.tools.dispose.impl.AbstractDisposable

org.gvsig.fmap.mapcontext.layers.FLyrDefault

org.gvsig.fmap.mapcontext.raster.impl.DefaultRasterLayer

All Implemented Interfaces:

java.util.Observer, Projected, HasDataStore, ExtendedPropertiesSupport, FLayer, FLayerHidesArea, LayerListener, InfoByPoint, SingleLayer, RasterLegendChangedListener, RasterLayer, LegendContentsChangedListener, Metadata, Disposable, DynObject, Persistent

public class DefaultRasterLayer
extends FLyrDefault
implements RasterLayer, RasterLegendChangedListener, java.util.Observer

Capa básica Raster.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DefaultRasterLayer.RegisterPersistence

Nested classes/interfaces inherited from class org.gvsig.fmap.mapcontext.layers.FLyrDefault

FLyrDefault.RegisterMetadata

Field Summary

Fields inherited from class org.gvsig.fmap.mapcontext.layers.FLyrDefault

drawVersion, layerListeners, metadataContainer, properties

Fields inherited from interface org.gvsig.fmap.mapcontext.layers.FLayer

METADATA_CRS, METADATA_DEFINITION_DESCRIPTION, METADATA_DEFINITION_NAME, METADATA_NAME

Constructor Summary

Constructors

Constructor and Description
DefaultRasterLayer() Creates a new DefaultRasterLayer
DefaultRasterLayer(RasterStore store, RasterLegend legend) Creates a new DefaultRasterLayer

Method Summary

Modifier and Type	Method and Description
FLayer	cloneLayer() This method can be used to have a fast cloned layer.
boolean	colorInterpretationChanged(RasterLegendEvent e)
RasterQuery	createRasterQuery() Creates a new RasterQuery from the store
protected void	doDispose() Internal implementation for the AbstractDisposable.dispose() method, to be implemented by child classes.
void	draw(java.awt.image.BufferedImage image, java.awt.Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale) Draws the layer using a buffer.
RasterQuery	getBaseQuery() Returns the BaseQuery
DataStore	getDataStore() Método que devuelve el DataStore del que saca los datos la capa.
Envelope	getFullEnvelope() Returns the full extension of the layer node.
DynObjectSet	getInfo(Point p, double tolerance) Executes a consultation about information of a point on the layer.
DynObjectSet	getInfo(java.awt.Point p, double tolerance, Cancellable cancel) Executes a consultation about information of a point on the layer.
DynObjectSet	getInfo(java.awt.Point p, double tolerance, Cancellable cancel, boolean fast) Executes a consultation about information of a point on the layer.
java.lang.String	getInfoString() Returns an string with the information of this layer.
RasterLegend	getLegend() Devuelve la Leyenda de la capa.
java.util.Set<RasterStore>	getMetadataChildren() Returns an unsorted set of child Metadata objects.
java.lang.Object	getMetadataID() Returns the unique identifier of the Metadata.
RasterStore	getRasterStore() Returns RasterStore of this layer
Statistics	getStatistics(SimpleTaskStatus status)
java.lang.String	getTocImageIcon() Returns the image icon that will be shown in the TOC next to this layer.
void	legendCleared(LegendClearEvent event)
void	loadFromState(PersistentState state) Set the state of the object from the state passed as parameter.
boolean	operationListChanged(RasterLegendEvent e)
void	print(java.awt.Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, PrintAttributes properties) Prints this layer according to some properties requested.
void	recalculateStatistics()
void	saveToState(PersistentState state) Saves the internal state of the object on the provided PersistentState object.
void	setBaseQuery(RasterQuery baseQuery) Sets a BaseQuery to be applied to the data in the store
void	setDataStore(DataStore dataStore) Fija el DataStore asociado a la capa.
void	setLegend(ILegend legend)
boolean	symbolChanged(SymbolLegendEvent e) Invocado cuando se cambia en el legend el símbolo por defecto.
void	update(java.util.Observable observable, java.lang.Object notification)

Methods inherited from class org.gvsig.fmap.mapcontext.layers.FLyrDefault

activationChanged, addError, addLayerListener, addLegendListener, allowLinks, callEditionChanged, callLegendChanged, clear, delegate, drawValueChanged, editionChanged, getClassName, getCoordTrans, getDefaultTolerance, getDrawVersion, getDynClass, getDynValue, getError, getErrors, getExtendedProperties, getFLayerStatus, getLayerListeners, getLink, getLinkProperties, getMapContext, getMaxScale, getMetadataName, getMinScale, getName, getNumErrors, getParentLayer, getProjection, getProperty, getTocStatusImage, getTransparency, hasChangedForDrawing, hasDynValue, hidesThisArea, implement, invalidate, invokeDynMethod, invokeDynMethod, isActive, isAvailable, isEditing, isInTOC, isOk, isTemporary, isVisible, isWithinScale, isWritable, load, nameChanged, newComposedLayer, reload, removeLayerListener, removeLegendListener, reProject, setActive, setAvailable, setCoordTrans, setDynValue, setEditing, setError, setFLayerStatus, setInTOC, setMaxScale, setMinScale, setName, setParentLayer, setProjection, setProperty, setTemporary, setTocStatusImage, setTransparency, setVisible, toString, updateDrawVersion, updateDrawVersion, visibilityChanged, visibleRequired, wakeUp

Methods inherited from class org.gvsig.tools.dispose.impl.AbstractDisposable

dispose, dispose

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gvsig.fmap.mapcontext.layers.FLayer

addError, addLayerListener, allowLinks, getCoordTrans, getDefaultTolerance, getDrawVersion, getError, getErrors, getFLayerStatus, getLayerListeners, getLink, getLinkProperties, getMapContext, getMaxScale, getMinScale, getName, getNumErrors, getParentLayer, getTocStatusImage, invalidate, isActive, isAvailable, isEditing, isInTOC, isOk, isTemporary, isVisible, isWithinScale, isWritable, load, newComposedLayer, reload, removeLayerListener, setActive, setAvailable, setCoordTrans, setEditing, setError, setFLayerStatus, setInTOC, setMaxScale, setMinScale, setName, setParentLayer, setProjection, setTemporary, setVisible, visibleRequired

Methods inherited from interface org.cresques.geo.Projected

getProjection, reProject

Methods inherited from interface org.gvsig.metadata.Metadata

getMetadataName

Methods inherited from interface org.gvsig.tools.dynobject.DynObject

clear, clone, delegate, getDynClass, getDynValue, hasDynValue, implement, invokeDynMethod, invokeDynMethod, setDynValue

Methods inherited from interface org.gvsig.tools.dispose.Disposable

dispose

Methods inherited from interface org.gvsig.fmap.mapcontext.layers.ExtendedPropertiesSupport

getExtendedProperties, getProperty, setProperty

Constructor Detail

DefaultRasterLayer

public DefaultRasterLayer()
                   throws LoadLayerException

Creates a new DefaultRasterLayer

Throws:

LoadLayerException

DefaultRasterLayer

public DefaultRasterLayer(RasterStore store,
                          RasterLegend legend)

Creates a new DefaultRasterLayer

Parameters:

store -

legend -

Method Detail

saveToState

public void saveToState(PersistentState state)
                 throws PersistenceException

Description copied from interface: Persistent

Saves the internal state of the object on the provided PersistentState object.

Specified by:

saveToState in interface Persistent

Overrides:

saveToState in class FLyrDefault

Throws:

PersistenceException

loadFromState

public void loadFromState(PersistentState state)
                   throws PersistenceException

Description copied from interface: Persistent

Set the state of the object from the state passed as parameter.

Specified by:

loadFromState in interface Persistent

Overrides:

loadFromState in class FLyrDefault

Throws:

PersistenceException

getLegend

public RasterLegend getLegend()

Devuelve la Leyenda de la capa.

Specified by:

getLegend in interface RasterLayer

Returns:

Leyenda.

getDataStore

public DataStore getDataStore()

Description copied from interface: SingleLayer

Método que devuelve el DataStore del que saca los datos la capa.

Specified by:

getDataStore in interface HasDataStore

Specified by:

getDataStore in interface SingleLayer

Returns:

DataStore de la capa.

setDataStore

public void setDataStore(DataStore dataStore)
                  throws LoadLayerException

Description copied from interface: SingleLayer

Fija el DataStore asociado a la capa. Este metodo no deberia ser usado desde el API, es un metodo interno que solo deberia ser usado por la factoria de capas.

Specified by:

setDataStore in interface SingleLayer

Parameters:

dataStore - a usar en la capa.

Throws:

LoadLayerException

getFullEnvelope

public Envelope getFullEnvelope()
                         throws ReadException

Description copied from interface: FLayer

Returns the full extension of the layer node.

Specified by:

getFullEnvelope in interface FLayer

Returns:

location and dimension of this layer node

Throws:

ReadException - if fails the driver used in this method.

draw

public void draw(java.awt.image.BufferedImage image,
                 java.awt.Graphics2D g,
                 ViewPort viewPort,
                 Cancellable cancel,
                 double scale)
          throws ReadException

Description copied from interface: FLayer

Draws the layer using a buffer.

Specified by:

draw in interface FLayer

Parameters:

image - an image used to accelerate the screen draw

g - for rendering 2-dimensional shapes, text and images on the Java(tm) platform

viewPort - information for drawing this layer

cancel - an object thread that implements the Cancellable interface, and will allow to cancel the draw

scale - value that represents the scale

Throws:

ReadException - if fails the driver used in this method.

See Also:

FLayer.print(Graphics2D, ViewPort, Cancellable, double, PrintAttributes)

print

public void print(java.awt.Graphics2D g,
                  ViewPort viewPort,
                  Cancellable cancel,
                  double scale,
                  PrintAttributes properties)
           throws ReadException

Description copied from interface: FLayer

Prints this layer according to some properties requested.

Specified by:

print in interface FLayer

Parameters:

g - for rendering 2-dimensional shapes, text and images on the Java(tm) platform

viewPort - the information for drawing the layers

cancel - an object thread that implements the Cancellable interface, and will allow to cancel the draw

scale - the scale of the view. Must be between FLayer.getMinScale() and FLayer.getMaxScale().

properties - a set with the settings to be applied to a whole print job and to all the docs in the print job

Throws:

ReadException - if fails the driver used in this method.

See Also:

FLayer.draw(BufferedImage, Graphics2D, ViewPort, Cancellable, double)

getMetadataChildren

public java.util.Set<RasterStore> getMetadataChildren()
                                               throws MetadataException

Description copied from interface: Metadata

Returns an unsorted set of child Metadata objects.

Specified by:

getMetadataChildren in interface Metadata

Returns:

an unsorted set of child Metadata objects

Throws:

MetadataException

getMetadataID

public java.lang.Object getMetadataID()
                               throws MetadataException

Description copied from interface: Metadata

Returns the unique identifier of the Metadata.

Specified by:

getMetadataID in interface Metadata

Returns:

the Metadata identifier

Throws:

MetadataException

update

public void update(java.util.Observable observable,
                   java.lang.Object notification)

Specified by:

update in interface java.util.Observer

getRasterStore

public RasterStore getRasterStore()

Description copied from interface: RasterLayer

Returns RasterStore of this layer

Specified by:

getRasterStore in interface RasterLayer

Returns:

RasterStore

setBaseQuery

public void setBaseQuery(RasterQuery baseQuery)

Description copied from interface: RasterLayer

Sets a BaseQuery to be applied to the data in the store

Specified by:

setBaseQuery in interface RasterLayer

getBaseQuery

public RasterQuery getBaseQuery()

Description copied from interface: RasterLayer

Returns the BaseQuery

Specified by:

getBaseQuery in interface RasterLayer

Returns:

RasterQuery

createRasterQuery

public RasterQuery createRasterQuery()

Description copied from interface: RasterLayer

Creates a new RasterQuery from the store

Specified by:

createRasterQuery in interface RasterLayer

Returns:

RasterQuery

doDispose

protected void doDispose()
                  throws BaseException

Description copied from class: AbstractDisposable

Internal implementation for the AbstractDisposable.dispose() method, to be implemented by child classes.

Specified by:

doDispose in class AbstractDisposable

Throws:

BaseException

See Also:

AbstractDisposable.dispose()

getInfo

public DynObjectSet getInfo(java.awt.Point p,
                            double tolerance,
                            Cancellable cancel)
                     throws LoadLayerException,
                            DataException

Description copied from interface: InfoByPoint

Executes a consultation about information of a point on the layer.

There is an area around the point where will got the information.

Specified by:

getInfo in interface InfoByPoint

Parameters:

p - point where is the consultation

tolerance - permissible margin around the coordinates of the point where the method will got the information. Each singular implementation of this method would use it in a different way. The coordinates also depend on the implementation.

cancel - shared object that determines if this layer can continue being drawn

Returns:

a DynObjectSet. If the InfoByPoint Object is a vector layer it should return a FeatureSet.

Throws:

LoadLayerException - any exception produced using the driver.

DataException - TODO

getInfo

public DynObjectSet getInfo(java.awt.Point p,
                            double tolerance,
                            Cancellable cancel,
                            boolean fast)
                     throws LoadLayerException,
                            DataException

Description copied from interface: InfoByPoint

Executes a consultation about information of a point on the layer.

There is an area around the point where will got the information.

Specified by:

getInfo in interface InfoByPoint

Parameters:

p - point where is the consultation

tolerance - permissible margin around the coordinates of the point where the method will got the information. Each singular implementation of this method would use it in a different way. The coordinates also depend on the implementation.

cancel - shared object that determines if this layer can continue being drawn

fast - if true try to reuse objects as much as possible to make the object iteration faster. If true, DynObjects got through the returned set must not be stored unless cloned.

Returns:

a DynObjectSet. If the InfoByPoint Object is a vector layer it should return a FeatureSet.

Throws:

LoadLayerException - any exception produced using the driver.

DataException - TODO

getInfo

public DynObjectSet getInfo(Point p,
                            double tolerance)
                     throws LoadLayerException,
                            DataException

Description copied from interface: InfoByPoint

Executes a consultation about information of a point on the layer.

There is an area around the point where will got the information.

Specified by:

getInfo in interface InfoByPoint

Parameters:

p - point in map coordinates where is the consultation

tolerance - permissible margin around the coordinates of the point where the method will got the information. Each singular implementation of this method would use it in a different way. The unit are in map coordinates.

Throws:

LoadLayerException

DataException

getTocImageIcon

public java.lang.String getTocImageIcon()

Description copied from interface: FLayer

Returns the image icon that will be shown in the TOC next to this layer.

Specified by:

getTocImageIcon in interface FLayer

Overrides:

getTocImageIcon in class FLyrDefault

Returns:

a String reference to the image icon, or null if there isn't any

setLegend

public void setLegend(ILegend legend)

Specified by:

setLegend in interface RasterLayer

getInfoString

public java.lang.String getInfoString()

Description copied from interface: FLayer

Returns an string with the information of this layer.

Specified by:

getInfoString in interface FLayer

Overrides:

getInfoString in class FLyrDefault

Returns:

the string that is to be this component's information

getStatistics

public Statistics getStatistics(SimpleTaskStatus status)

Specified by:

getStatistics in interface RasterLayer

Returns:

recalculateStatistics

public void recalculateStatistics()

Specified by:

recalculateStatistics in interface RasterLayer

cloneLayer

public FLayer cloneLayer()
                  throws java.lang.Exception

Description copied from interface: FLayer

This method can be used to have a fast cloned layer.

The implementations should take care of not recreate this layer. Instead of this, is better to use the same source (driver) and deepclone the legend. Exception: the labels aren't deepcloned to avoid memory consumption.

Note: Labels are memory consuming to speed up layers like PostGIS and so on.

Specified by:

cloneLayer in interface FLayer

Overrides:

cloneLayer in class FLyrDefault

Returns:

a layer that is a clonation of this layer

Throws:

java.lang.Exception - any exception produced during the cloning of this layer.

symbolChanged

public boolean symbolChanged(SymbolLegendEvent e)

Description copied from interface: LegendContentsChangedListener

Invocado cuando se cambia en el legend el símbolo por defecto. Si cualquiera de los listeners devuelve false, el cambio no se realiza

Specified by:

symbolChanged in interface LegendContentsChangedListener

Parameters:

e - SymbolLegendEvent

Returns:

True si ha sido correcto.

legendCleared

public void legendCleared(LegendClearEvent event)

Specified by:

legendCleared in interface LegendContentsChangedListener

colorInterpretationChanged

public boolean colorInterpretationChanged(RasterLegendEvent e)

Specified by:

colorInterpretationChanged in interface RasterLegendChangedListener

operationListChanged

public boolean operationListChanged(RasterLegendEvent e)

Specified by:

operationListChanged in interface RasterLegendChangedListener