ucar.nc2.ui.geoloc

Class Navigation

java.lang.Object

ucar.nc2.ui.geoloc.Navigation

public class Navigation
extends java.lang.Object

Consider this a private inner class of NavigatedPanel. Handle display to world coordinate transformation, always linear. Call np.newMapAreaEvent() when MapArea changes. setMapArea() trigger a NewMapAreaEvent also.

Method Summary

Modifier and Type	Method and Description
ProjectionRect	getMapArea(ProjectionRect rect) Get current MapArea .
double	getPixPerWorld()
double	getScreenHeight()
double	getScreenWidth()
java.awt.geom.AffineTransform	getTransform() Get the affine transform based on screen size and world bounding box
void	zoomIn(double x, double y)
void	zoomOut(double x, double y)

Methods inherited from class java.lang.Object

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

Method Detail

getScreenWidth

public double getScreenWidth()

getScreenHeight

public double getScreenHeight()

getTransform

public java.awt.geom.AffineTransform getTransform()

Get the affine transform based on screen size and world bounding box

getMapArea

public ProjectionRect getMapArea(ProjectionRect rect)

Get current MapArea .

Parameters:

rect - : place results here, or null to create new Object

getPixPerWorld

public double getPixPerWorld()

zoomIn

public void zoomIn(double x,
                   double y)

zoomOut

public void zoomOut(double x,
                    double y)