prefuse.action.animate
Class LocationAnimator

java.lang.Object
  prefuse.activity.Activity
      prefuse.action.Action
          prefuse.action.GroupAction
              prefuse.action.ItemAction
                  prefuse.action.animate.LocationAnimator

public class LocationAnimator
extends ItemAction

Animator that linearly interpolates between two positions. This is useful for performing animated transitions.

Author:

jeffrey heer

Field Summary

Fields inherited from class prefuse.action.ItemAction

m_predicate

Fields inherited from class prefuse.action.GroupAction

m_group

Fields inherited from class prefuse.action.Action

m_vis

Fields inherited from class prefuse.activity.Activity

DEFAULT_STEP_TIME, INFINITY

Constructor Summary

LocationAnimator()
Create a new LocationAnimator that processes all data groups.

LocationAnimator(java.lang.String group)
Create a new LocationAnimator that processes the specified group.

Method Summary

void	process(VisualItem item, double frac) Processes an individual item.

Methods inherited from class prefuse.action.ItemAction

getFilterPredicate, run, setFilterPredicate

Methods inherited from class prefuse.action.GroupAction

getGroup, setGroup

Methods inherited from class prefuse.action.Action

getVisualization, run, setVisualization

Methods inherited from class prefuse.activity.Activity

addActivityListener, alwaysRunAfter, cancel, fireActivityCancelled, fireActivityFinished, fireActivityScheduled, fireActivityStarted, fireActivityStepped, getDuration, getNextTime, getPace, getPacingFunction, getStartTime, getStepTime, getStopTime, isEnabled, isRunning, isScheduled, removeActivityListener, run, runAfter, runAt, setDuration, setEnabled, setPacingFunction, setStartTime, setStepTime

Methods inherited from class java.lang.Object

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

Constructor Detail

LocationAnimator

public LocationAnimator()

Create a new LocationAnimator that processes all data groups.

LocationAnimator

public LocationAnimator(java.lang.String group)

Create a new LocationAnimator that processes the specified group.

Parameters:

group - the data group to process.

Method Detail

process

public void process(VisualItem item,
                    double frac)

Description copied from class: ItemAction

Processes an individual item.

Specified by:

process in class ItemAction

Parameters:

item - the VisualItem to process

frac - the fraction of elapsed duration time

See Also:

ItemAction.process(prefuse.visual.VisualItem, double)