edu.stanford.hci.r3.pen.gesture
Class ShapeContext

java.lang.Object
  edu.stanford.hci.r3.pen.gesture.ShapeContext

public class ShapeContext
extends java.lang.Object

This software is distributed under the BSD License.

Field Summary

static int

bands

Constructor Summary

ShapeContext(java.util.ArrayList<PenSample> controlPointsInput, java.lang.String authorName)

Method Summary

java.util.ArrayList<ShapeHistogram>	generateShapeHistogram(int points, int dummy_padding, boolean rotationInvariant, boolean timeSensitive)
static double[]	logPolarAndTime(PenSample first, PenSample second, double distanceScaling, double baseRotation)
double[][]	points()
double[][]	points(int N)
void	quillWrite(java.io.Writer writer)
static double	renormalize(double theta)
java.util.ArrayList<PenSample>	resample(int samples)
int	size()
java.util.ArrayList<PenSample>	tangents(int samples)

Methods inherited from class java.lang.Object

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

Field Detail

bands

public static int bands

Constructor Detail

ShapeContext

public ShapeContext(java.util.ArrayList<PenSample> controlPointsInput,
                    java.lang.String authorName)

Method Detail

logPolarAndTime

public static double[] logPolarAndTime(PenSample first,
                                       PenSample second,
                                       double distanceScaling,
                                       double baseRotation)

renormalize

public static double renormalize(double theta)

generateShapeHistogram

public java.util.ArrayList<ShapeHistogram> generateShapeHistogram(int points,
                                                                  int dummy_padding,
                                                                  boolean rotationInvariant,
                                                                  boolean timeSensitive)

points

public double[][] points()

points

public double[][] points(int N)

quillWrite

public void quillWrite(java.io.Writer writer)
                throws java.io.IOException

Throws:

java.io.IOException

resample

public java.util.ArrayList<PenSample> resample(int samples)

size

public int size()

tangents

public java.util.ArrayList<PenSample> tangents(int samples)