public Solution RemoveRedundantConstraints(ConstraintMetric constraintMetric = ConstraintMetric.MostUnsatisfied, int samplingSize = 100,
double marginExpansion = 0.5, double angleSimilarityMarigin = 5.0, bool reduceSatisfiedPoints = true)
{
var randomPoints = Cluster.GenerateRandomPointsAroundCluster(samplingSize, marginExpansion);
Func <Constraint, double> constraintUtilityFunction = null;
var constraints = Constraints.Cast <Constraint>().ToList();
switch (constraintMetric)
{
case ConstraintMetric.DistanceFromCentroid:
constraintUtilityFunction =
c => Algorithm.ConstraintMetric.DistanceFromCentroid(c, new Point(Cluster.Centroid));
break;
case ConstraintMetric.DistanceFromMeans:
constraintUtilityFunction =
c => Algorithm.ConstraintMetric.DistanceFromMeans(c, new Point(Cluster.Means));
break;
case ConstraintMetric.DistanceFromSatisfied:
constraintUtilityFunction =
c => Algorithm.ConstraintMetric.DistanceFromSatisfied(c, randomPoints);
break;
case ConstraintMetric.DistanceFromUnsatisfied:
constraintUtilityFunction =
c => Algorithm.ConstraintMetric.DistanceFromUnsatisfied(c, randomPoints);
break;
case ConstraintMetric.AvgDistanceFromSatisfied:
constraintUtilityFunction =
c => Algorithm.ConstraintMetric.AvgDistanceFromSatisfied(c, randomPoints);
break;
case ConstraintMetric.AvgDistanceFromUnsatisfied:
constraintUtilityFunction =
c => Algorithm.ConstraintMetric.AvgDistanceFromUnsatisfied(c, randomPoints);
break;
case ConstraintMetric.MostUnsatisfied:
constraintUtilityFunction =
c => Algorithm.ConstraintMetric.MostUnsatisfied(c, randomPoints);
break;
default:
throw new ArgumentOutOfRangeException(nameof(constraintMetric), constraintMetric, null);
}
var redundantIndices =
RedundantConstraintsFinder.FindRedundantConstraints(constraintUtilityFunction, constraints, randomPoints,
angleSimilarityMarigin, reduceSatisfiedPoints).ToList();
redundantIndices.Sort();
redundantIndices.Reverse();
foreach (var indexToRemove in redundantIndices)
{
_constraints[indexToRemove].IsMarkedRedundant = true;
}
return(this);
}
