Package noaa.coastwatch.render

Class SurveyOverlay

java.lang.Object

noaa.coastwatch.render.EarthDataOverlay

noaa.coastwatch.render.LineOverlay

noaa.coastwatch.render.SurveyOverlay

All Implemented Interfaces:

Serializable, Cloneable, Comparable

public class SurveyOverlay
extends LineOverlay

The SurveyOverlay class may be used to display the shape of an EarthDataSurvey object. For point surveys, the overlay displays a crosshair centered at the point. For a line survey, a line is drawn between the start and end points. For a box survey, a rectangle is drawn enclosing the survey area. For a polygon survey, the polygon itself is drawn.

Since:

3.1.7

Author:

Peter Hollemans

See Also:

• Serialized Form

Field Summary

Fields inherited from class noaa.coastwatch.render.LineOverlay

drawingShadow

Fields inherited from class noaa.coastwatch.render.EarthDataOverlay

alpha, lastTrans, prepared

Constructor Summary

Constructors

Constructor	Description
SurveyOverlay(EarthDataSurvey survey, Color color)	Creates a new survey overlay with the specified survey and color.

Method Summary

Modifier and Type	Method	Description
protected void	draw(Graphics2D g, EarthDataView view)	Draws the overlay graphics.
EarthDataSurvey	getSurvey()	Gets the survey for this overlay.
protected boolean	needsPrepare()	Returns false as this class needs no preparation.
protected void	prepare(Graphics2D g, EarthDataView view)	Prepares the overlay graphics prior to drawing.

Methods inherited from class noaa.coastwatch.render.LineOverlay

clip, drawShadow, getDropShadow, getShadowColor, getStroke, render, setDropShadow, setStroke

Methods inherited from class noaa.coastwatch.render.EarthDataOverlay

clone, compareTo, getAlphaVersion, getColor, getColors, getColorWithAlpha, getLayer, getMetadataAtPoint, getName, getTransparency, getVisible, hasMetadata, invalidate, isPrepared, setColor, setLayer, setName, setTransparency, setVisible, toString

Methods inherited from class java.lang.Object

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

Constructor Details

SurveyOverlay

public SurveyOverlay(EarthDataSurvey survey,
 Color color)

Creates a new survey overlay with the specified survey and color. The layer number is initialized to 0, and the stroke to the default BasicStroke.

Method Details

getSurvey

public EarthDataSurvey getSurvey()

Gets the survey for this overlay.

needsPrepare

protected boolean needsPrepare()

Returns false as this class needs no preparation.

Overrides:

needsPrepare in class EarthDataOverlay

Returns:

true if this overlay class needs a preparation stage, or false if not.

prepare

protected void prepare(Graphics2D g,
 EarthDataView view)

Description copied from class: EarthDataOverlay

Prepares the overlay graphics prior to drawing.

Specified by:

prepare in class EarthDataOverlay

Parameters:

g - the graphics object for drawing.

view - the earth data view.

draw

protected void draw(Graphics2D g,
 EarthDataView view)

Description copied from class: EarthDataOverlay

Draws the overlay graphics.

Specified by:

draw in class EarthDataOverlay

Parameters:

g - the graphics object for drawing.

view - the earth data view.