ucar.nc2.ui.gis

Class GisFeatureRenderer

java.lang.Object

ucar.nc2.ui.gis.GisFeatureRenderer

All Implemented Interfaces:

Renderer

Direct Known Subclasses:

ContourFeatureRenderer, GisFeatureRendererMulti, WorldMap

public abstract class GisFeatureRenderer
extends Object
implements Renderer

Superclass for rendering collections of GisFeatures.

Author:

John Caron

Field Summary

Fields

Modifier and Type	Field and Description
protected ProjectionImpl	displayProject
protected ArrayList	shapeList

Constructor Summary

Constructors

Constructor and Description
GisFeatureRenderer()

Method Summary

Methods

Modifier and Type	Method and Description
void	draw(Graphics2D g, AffineTransform pixelAT) Draws all the features that are within the graphics clip rectangle, using the previously set displayProjection.
Color	getColor()
protected abstract ProjectionImpl	getDataProjection()
protected abstract List	getFeatures()
abstract LatLonRect	getPreferredArea() Preferred map area on opening for first time.
protected Iterator	getShapes(Graphics2D g, AffineTransform normal2device)
void	setColor(Color color) Tell the Renderer to use the given color.
void	setProjection(ProjectionImpl project) Tell the Renderer to use the given projection from now on.

Methods inherited from class java.lang.Object

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

Field Detail

displayProject

protected ProjectionImpl displayProject

shapeList

protected ArrayList shapeList

Constructor Detail

GisFeatureRenderer

public GisFeatureRenderer()

Method Detail

getPreferredArea

public abstract LatLonRect getPreferredArea()

Preferred map area on opening for first time.

Specified by:

getPreferredArea in interface Renderer

Returns:

lat/lon bounding box that specifies preferred area.

getFeatures

protected abstract List getFeatures()

getDataProjection

protected abstract ProjectionImpl getDataProjection()

getColor

public Color getColor()

Specified by:

getColor in interface Renderer

setColor

public void setColor(Color color)

Description copied from interface: Renderer

Tell the Renderer to use the given color.

Specified by:

setColor in interface Renderer

Parameters:

color - the Color to use.

setProjection

public void setProjection(ProjectionImpl project)

Description copied from interface: Renderer

Tell the Renderer to use the given projection from now on.

Specified by:

setProjection in interface Renderer

Parameters:

project - the projection to use.

draw

public void draw(Graphics2D g,
        AffineTransform pixelAT)

Draws all the features that are within the graphics clip rectangle, using the previously set displayProjection.

Specified by:

draw in interface Renderer

Parameters:

g - the Graphics2D context on which to draw

pixelAT - transforms "Normalized Device" to Device coordinates

getShapes

protected Iterator getShapes(Graphics2D g,
                 AffineTransform normal2device)