com.github.gwtd3.api.behaviour

Class Zoom.ZoomEvent

java.lang.Object

com.google.gwt.core.client.JavaScriptObject

com.github.gwtd3.api.behaviour.Zoom.ZoomEvent

Enclosing class:

Zoom

public static class Zoom.ZoomEvent
extends com.google.gwt.core.client.JavaScriptObject

Provide access to the properties of a zoom event.

Use D3.zoomEvent() from within a Zoom.on(ZoomEventType, DatumFunction) listener.

Author:

Anthony Schiochet

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Zoom.ZoomEvent()

Method Summary

Methods

Modifier and Type	Method and Description
double	scale() The scale of the zoom
Array<Double>	translate() A two-element array representing the current translation vector.
double	translateX() Shortcut to translate().getNumber(0).
double	translateY() Shortcut to translate().getNumber(1).

Methods inherited from class com.google.gwt.core.client.JavaScriptObject

cast, createArray, createArray, createFunction, createObject, equals, hashCode, toSource, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Zoom.ZoomEvent

protected Zoom.ZoomEvent()

Method Detail

scale

public final double scale()

The scale of the zoom

Returns:

the scale of the zoom

translate

public final Array<Double> translate()

A two-element array representing the current translation vector.

Returns:

the translation vector

translateX

public final double translateX()

Shortcut to translate().getNumber(0).

Returns:

the translation x coord

translateY

public final double translateY()

Shortcut to translate().getNumber(1).

Returns:

the translation y coord