Package hec.map.dem

Class DemGlyph

java.lang.Object

hec.map.MapGlyph

hec.map.dem.DemGlyph

All Implemented Interfaces:

ElevationGlyph, ImageObserver, Serializable, Comparable<MapGlyph>

public class DemGlyph
extends MapGlyph
implements Serializable, ImageObserver, ElevationGlyph

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class hec.map.MapGlyph

MapGlyph.Selection

Field Summary

Fields

Modifier and Type	Field	Description
protected int	_areaHeight
protected int	_areaWidth
protected Image	_img
protected MediaTracker	_tracker

Fields inherited from class hec.map.MapGlyph

_changeEvent, _glyphLevel, _listenerList, _map, _mapIdentifier, _mapPanel, _paintOk, _parentGlyph, maxPtArraySz, needsRepaint, xarray, XOR_COLOR, yarray

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors

Constructor	Description
DemGlyph(MapPanel panel, DemMap map)

Method Summary

Modifier and Type	Method	Description
protected void	createImage()
void	draw(Graphics g, MapScale scl)	draw this MapGlyph to graphics using the MapScale scl
void	drawElevationStats(Graphics g, LocalRegion region)	Compute and draw max min and average elevation for the given region
void	fillMap(boolean load)	Creates the image is the map is being loaded.
double	getElevation(WorldPt pt)
float	getElevationAt(int ix, int iy)	get depth at a point.
double	getMaximumElevation()
double	getMinimumElevation()
double	getNoDataValue()
boolean	imageUpdate(Image img, int infoflags, int x, int y, int width, int height)

Methods inherited from class hec.map.MapGlyph

addChangeListener, addGlyphSelectionListener, checkXYArraySize, clearSelection, clearSelection, close, compareTo, containsSelection, drawConformingString, drawConformingString2, drawLine, drawLine, drawLine, drawLine, drawLine2D, drawRegion, drawRegion, findGlyphOfClass, findObject, fireGlyphSelectionChanged, fireStateChanged, getAttributeSet, getBounds, getDataRecord, getDefaultDataRecord, getDescription, getGlyphLevel, getMap, getMapPanel, getMaximumScale, getMinimumScale, getName, getParentGlyph, getSelectedObject, getSelections, getToolTipText, glyphVector, hasChildGlyphs, hasMap, init, intersects, isAltDown, isAttributeAvailable, isControlDown, isMetaDown, isPaintOk, isRepaintNeeded, isShiftDown, isShown, isWriteLocked, objectDoubleClick, objectPopupMenu, objectSelect, reInit, removeChangeListener, removeGlyphSelectionListener, setDataRecord, setGlyphLevel, setMap, setMapPanel, setMaximumScale, setMinimumScale, setPaintOk, setParentGlyph, setRepaintNeeded, setShown, shouldReturn, showMapElement, toString, transformArrays, transformLocalToWorldArrays, transformLookup, transformPoint, transformPointToLocal, transformPointToWorld, transformRect, transformRect, transformRectToLocal, transformWorldToLocalArrays

Methods inherited from class java.lang.Object

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

Methods inherited from interface hec.map.ElevationGlyph

getDataRecord, getMap, getMaximumScale, getMinimumScale, getName, setDataRecord, setMaximumScale, setMinimumScale

Field Details

_img

protected Image _img

_areaWidth

protected int _areaWidth

_areaHeight

protected int _areaHeight

_tracker

protected MediaTracker _tracker

Constructor Details

DemGlyph

public DemGlyph(MapPanel panel,
 DemMap map)

Method Details

fillMap

public void fillMap(boolean load)

Creates the image is the map is being loaded.

Overrides:

fillMap in class MapGlyph

Parameters:

load - true if _map is load it's data

getNoDataValue

public double getNoDataValue()

Specified by:

getNoDataValue in interface ElevationGlyph

getElevation

public double getElevation(WorldPt pt)

getMaximumElevation

public double getMaximumElevation()

Specified by:

getMaximumElevation in interface ElevationGlyph

getMinimumElevation

public double getMinimumElevation()

Specified by:

getMinimumElevation in interface ElevationGlyph

createImage

protected void createImage()

draw

public void draw(Graphics g,
 MapScale scl)

Description copied from class: MapGlyph

draw this MapGlyph to graphics using the MapScale scl

Specified by:

draw in class MapGlyph

Parameters:

g - the Graphics to draw to

scl - The current MapScale

imageUpdate

public boolean imageUpdate(Image img,
 int infoflags,
 int x,
 int y,
 int width,
 int height)

Specified by:

imageUpdate in interface ImageObserver

getElevationAt

public float getElevationAt(int ix,
 int iy)

get depth at a point. assume nodes have already been scaled for this viewport

Specified by:

getElevationAt in interface ElevationGlyph

drawElevationStats

public void drawElevationStats(Graphics g,
 LocalRegion region)

Compute and draw max min and average elevation for the given region

Specified by:

drawElevationStats in interface ElevationGlyph