org.deegree.graphics.displayelements
Class RasterDisplayElement

java.lang.Object
  org.deegree.graphics.displayelements.AbstractDisplayElement
      org.deegree.graphics.displayelements.RasterDisplayElement

All Implemented Interfaces:

Serializable, DisplayElement

public class RasterDisplayElement
extends AbstractDisplayElement
implements Serializable

Since:

2.0

Version:

$Revision: 12692 $, 1.0. $Revision: 12692 $, $Date: 2008-07-07 11:33:02 +0200 (Mo, 07 Jul 2008) $

Author:

Andreas Poth, last edited by: $Author: aschmitz $

See Also:

Serialized Form

Field Summary

Fields inherited from class org.deegree.graphics.displayelements.AbstractDisplayElement

feature

Constructor Summary

RasterDisplayElement(GridCoverage gc)
Creates a new RasterDisplayElement_Impl object.

RasterDisplayElement(GridCoverage gc, RasterSymbolizer symbolizer)
Creates a new RasterDisplayElement_Impl object.

Method Summary

boolean	doesScaleConstraintApply(double scale) Returns whether the DisplayElement should be painted at the current scale or not.
GridCoverage	getRaster() returns the content of the RasterDisplayElement
void	paint(Graphics g, GeoTransform projection, double scale) renders the DisplayElement to the submitted graphic context
void	setRaster(GridCoverage gc) sets the grid coverage that represents the content of the RasterDisplayElement

Methods inherited from class org.deegree.graphics.displayelements.AbstractDisplayElement

getAssociateFeatureId, getFeature, isHighlighted, isSelected, setFeature, setHighlighted, setSelected

Methods inherited from class java.lang.Object

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

Constructor Detail

RasterDisplayElement

RasterDisplayElement(GridCoverage gc)

Creates a new RasterDisplayElement_Impl object.

Parameters:

gc - raster

RasterDisplayElement

RasterDisplayElement(GridCoverage gc,
                     RasterSymbolizer symbolizer)

Creates a new RasterDisplayElement_Impl object.

Parameters:

gc - raster

symbolizer -

Method Detail

paint

public void paint(Graphics g,
                  GeoTransform projection,
                  double scale)

renders the DisplayElement to the submitted graphic context

Specified by:

paint in interface DisplayElement

Parameters:

g - graphics context to render to

getRaster

public GridCoverage getRaster()

returns the content of the RasterDisplayElement

Returns:

gird coverage

setRaster

public void setRaster(GridCoverage gc)

sets the grid coverage that represents the content of the RasterDisplayElement

Parameters:

gc -

doesScaleConstraintApply

public boolean doesScaleConstraintApply(double scale)

Description copied from class: AbstractDisplayElement

Returns whether the DisplayElement should be painted at the current scale or not.

Specified by:

doesScaleConstraintApply in interface DisplayElement

Specified by:

doesScaleConstraintApply in class AbstractDisplayElement

Parameters:

scale - scale to check

Returns:

true, if the DisplayElement has to be painted, false otherwise