diva.sketch.features
Class CosFirstLastPtsFE

java.lang.Object
  extended by diva.sketch.features.CosFirstLastPtsFE
All Implemented Interfaces:
FeatureExtractor

public class CosFirstLastPtsFE
extends Object
implements FeatureExtractor


Constructor Summary
CosFirstLastPtsFE()
           
 
Method Summary
 double apply(TimedStroke s)
          Return the cosine of the angle between the first and last point of the stroke.
static double cosFirstLast(TimedStroke s)
          Return the cosine of the angle between the first and last point of the stroke.
 String getName()
          Return the name of this feature extractor.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CosFirstLastPtsFE

public CosFirstLastPtsFE()
Method Detail

apply

public double apply(TimedStroke s)
Return the cosine of the angle between the first and last point of the stroke. Return -1 if there's only one data point.

Specified by:
apply in interface FeatureExtractor

cosFirstLast

public static double cosFirstLast(TimedStroke s)
Return the cosine of the angle between the first and last point of the stroke. Return -1 if there's only one data point.


getName

public String getName()
Return the name of this feature extractor.

Specified by:
getName in interface FeatureExtractor


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