edu.mit.sketch.ddg
Class AngleConstraint

java.lang.Object
  edu.mit.sketch.ddg.Constraint
      edu.mit.sketch.ddg.BinaryRelationshipConstraint
          edu.mit.sketch.ddg.AngleConstraint

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class AngleConstraint
extends BinaryRelationshipConstraint
implements java.io.Serializable

This class represents the meets constraints for lines and ellipses.

AngleConstraint.java Created: Sat Nov 21 18:26:00 2001

Author:

Olya Veselova

See Also:

Serialized Form

Field Summary

static int	NUM_CONSTRAINTS Total number of possible constraints (to allow iterating over the names)
static int	PARALLEL
static int	PERPENDICULAR

Constructor Summary

AngleConstraint()
Constructs an empty constraint graph.

AngleConstraint(int name)
Constructs an empty constraint graph.

Method Summary

void	addConstraints(java.util.HashMap primToGeomParts, double[][] obstruction, PrimitiveList primitives) Infer the constraints from the users stroke geom parts and add them to the constraint graph.
java.lang.Object	clone() Clone the constraint
static double	constraintConfidence(Line l1, Line l2, int name) Returns the confidence that the constraint with the given name holds between two primitives
java.lang.String	name() Name of the constraint type
boolean	orientationInvariant() Returns true if the constraint is orinetation invariant

Methods inherited from class edu.mit.sketch.ddg.Constraint

constraintGraph, labelledEdgeList, mergeIn, print, removeLowConfidence, removeLowRelevance, renamePrimitives, sameAs, setConstraintGraph, subgraph

Methods inherited from class java.lang.Object

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

Field Detail

PARALLEL

public static final int PARALLEL

See Also:

Constant Field Values

PERPENDICULAR

public static final int PERPENDICULAR

See Also:

Constant Field Values

NUM_CONSTRAINTS

public static final int NUM_CONSTRAINTS

Total number of possible constraints (to allow iterating over the names)

See Also:

Constant Field Values

Constructor Detail

AngleConstraint

public AngleConstraint()

Constructs an empty constraint graph.

AngleConstraint

public AngleConstraint(int name)

Constructs an empty constraint graph.

Method Detail

orientationInvariant

public boolean orientationInvariant()

Returns true if the constraint is orinetation invariant

Specified by:

orientationInvariant in class BinaryRelationshipConstraint

addConstraints

public void addConstraints(java.util.HashMap primToGeomParts,
                           double[][] obstruction,
                           PrimitiveList primitives)

Infer the constraints from the users stroke geom parts and add them to the constraint graph. HashMap: type of key: Primitive, type of value: GeometricObject

constraintConfidence

public static double constraintConfidence(Line l1,
                                          Line l2,
                                          int name)

Returns the confidence that the constraint with the given name holds between two primitives

name

public java.lang.String name()

Name of the constraint type

Specified by:

name in class BinaryRelationshipConstraint

clone

public java.lang.Object clone()

Clone the constraint

Specified by:

clone in class BinaryRelationshipConstraint