Package ca.spatial.mapview

Class ImageLayer

java.lang.Object

ca.spatial.mapview.Layer

ca.spatial.mapview.ImageLayer

Direct Known Subclasses:

ECWLayer, MrSidLayer

public abstract class ImageLayer
extends Layer

This class encapsulates a layer in a map viewer.

Constructor Summary

Constructors

Constructor	Description
ImageLayer()

Method Summary

Modifier and Type	Method	Description
static ImageLayer	createLayer(String filename)
void	doTableSnapshot()
boolean	getConnected()
double[]	getHistogram(Window owner, AttributeStore store, Expression expr, int period, double min, double max)
Extent2D	getSelectedExtent()
double[]	getStats(Window owner, AttributeStore store, Expression expr, int period)
int	getType()
Object[]	getUniqueValues(Window owner, AttributeStore store, Expression expr, int period)
void	identifyRecords(Extent2D box)
void	maybePopup(MouseEvent e, double x, double y, double fuzz, int period)
void	processRecords(Extent2D box, RecordHandler handler)
void	selectRecords(Extent2D box, boolean add)
void	setConnected(boolean state)	Connect the layer to the data source by adding a listener.

Methods inherited from class ca.spatial.mapview.Layer

clone, close, free, getAnnotations, getDPI, getExtent2D, getFeatureProperties, getFeatureType, getIndex, getPeriod, getScale, getShowLegend, getShowLegendItems, getTable, getTheme, getThemeList, getTitle, getVector, hasSelectionContext, isSelected, isVisible, needsRedraw, needsRefresh, paintLayer, print, refreshLayer, resetSelectionContext, resize, setAnnotations, setAnnotations, setDPI, setFeatureProperties, setParent, setPeriod, setRedraw, setRefresh, setSelected, setShowLegend, setShowLegendItems, setTheme, setTitle, setVector, setVisible

Methods inherited from class java.lang.Object

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

Constructor Details

ImageLayer

public ImageLayer()

Method Details

createLayer

public static ImageLayer createLayer(String filename)
                              throws Exception

Throws:

Exception

setConnected

public void setConnected(boolean state)

Description copied from class: Layer

Connect the layer to the data source by adding a listener. The default value is true (connected).

Specified by:

setConnected in class Layer

getConnected

public boolean getConnected()

Specified by:

getConnected in class Layer

maybePopup

public void maybePopup(MouseEvent e,
 double x,
 double y,
 double fuzz,
 int period)

Specified by:

maybePopup in class Layer

selectRecords

public void selectRecords(Extent2D box,
 boolean add)

Specified by:

selectRecords in class Layer

identifyRecords

public void identifyRecords(Extent2D box)

Specified by:

identifyRecords in class Layer

processRecords

public void processRecords(Extent2D box,
 RecordHandler handler)

Specified by:

processRecords in class Layer

getSelectedExtent

public Extent2D getSelectedExtent()

Specified by:

getSelectedExtent in class Layer

getType

public int getType()

Specified by:

getType in class Layer

getUniqueValues

public Object[] getUniqueValues(Window owner,
 AttributeStore store,
 Expression expr,
 int period)

Specified by:

getUniqueValues in class Layer

getStats

public double[] getStats(Window owner,
 AttributeStore store,
 Expression expr,
 int period)

Specified by:

getStats in class Layer

getHistogram

public double[] getHistogram(Window owner,
 AttributeStore store,
 Expression expr,
 int period,
 double min,
 double max)

Specified by:

getHistogram in class Layer

doTableSnapshot

public void doTableSnapshot()
                     throws Exception

Specified by:

doTableSnapshot in class Layer

Throws:

Exception