[9440] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using HeuristicLab.Common;
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| 23 | using HeuristicLab.Core;
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| 24 | using HeuristicLab.Data;
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| 25 | using HeuristicLab.Encodings.IntegerVectorEncoding;
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| 26 | using HeuristicLab.Encodings.PackingEncoding.GroupingVector;
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| 27 | using HeuristicLab.Optimization;
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| 28 | using HeuristicLab.Parameters;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 | using HeuristicLab.Problems.BinPacking.Decoders;
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| 31 | using HeuristicLab.Problems.BinPacking.Dimensions;
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| 32 | using HeuristicLab.Problems.BinPacking.Evaluators;
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| 33 | using HeuristicLab.Problems.BinPacking.Interfaces;
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| 34 | using HeuristicLab.Problems.BinPacking.PackingBin;
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| 35 | using HeuristicLab.Problems.BinPacking.PackingItem;
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| 36 |
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| 37 | namespace HeuristicLab.Problems.BinPacking {
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| 38 | [Item("Grouping Vector MoveEvaluator", "Base class for evaluating packing moves.")]
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| 39 | [StorableClass]
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| 40 | public class GroupingVectorMoveEvaluator : PackingMoveEvaluator<ThreeDimensionalPacking, CuboidPackingBin, CuboidPackingItem>, ISingleObjectiveMoveEvaluator, IGroupingVectorMoveOperator{
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| 41 | public ILookupParameter<SingleGroupingMove> SingleGroupingMoveParameter {
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| 42 | get { return (ILookupParameter<SingleGroupingMove>)Parameters["SingleGroupingMove"]; }
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| 43 | }
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| 44 | public ILookupParameter<GroupingVectorEncoding> GroupingVectorParameter {
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| 45 | get { return (ILookupParameter<GroupingVectorEncoding>)Parameters["GroupingVector"]; }
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| 46 | }
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| 47 |
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| 48 | [StorableConstructor]
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| 49 | protected GroupingVectorMoveEvaluator(bool deserializing) : base(deserializing) { }
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| 50 | protected GroupingVectorMoveEvaluator(GroupingVectorMoveEvaluator original, Cloner cloner) : base(original, cloner) { }
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| 51 | public GroupingVectorMoveEvaluator()
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| 52 | : base() {
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| 53 | Parameters.Add(new LookupParameter<SingleGroupingMove>("SingleGroupingMove", "The move to evaluate."));
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| 54 | Parameters.Add(new LookupParameter<GroupingVectorEncoding>("GroupingVector", "The solution to evaluate."));
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| 55 | }
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| 56 |
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| 57 | public override IDeepCloneable Clone(Cloner cloner) {
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| 58 | return new GroupingVectorMoveEvaluator(this, cloner);
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| 59 | }
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| 60 |
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| 61 | public override IOperation Apply() {
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| 62 | GroupingVectorEncoding groupingVector = GroupingVectorParameter.ActualValue;
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| 63 | SingleGroupingMove move = SingleGroupingMoveParameter.ActualValue;
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| 64 |
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| 65 | GroupingVectorEncoding newSolution = new GroupingVectorEncoding();
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| 66 | newSolution.GroupingVector = new IntegerVector (groupingVector.GroupingVector);
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| 67 | newSolution.GroupingVector[move.Index] = move.NewGroup;
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| 68 |
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| 69 | var packingPlan = ExtremePointGroupingVectorDecoder3D.Decode(newSolution, PackingBinMeasuresParameter.ActualValue, PackingItemMeasuresParameter.ActualValue);
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| 70 | DoubleValue quality = PackingRatioRegularIdenticalBinEvaluator<ThreeDimensionalPacking, CuboidPackingBin, CuboidPackingItem>.CalculatePackingRatio(
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| 71 | packingPlan, PackingBinMeasuresParameter.ActualValue, PackingItemMeasuresParameter.ActualValue);
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| 72 |
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| 73 | double moveQuality = quality.Value;
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| 74 |
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| 75 | if (MoveQualityParameter.ActualValue == null) MoveQualityParameter.ActualValue = new DoubleValue(moveQuality);
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| 76 | else MoveQualityParameter.ActualValue.Value = moveQuality;
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| 77 | return base.Apply();
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| 78 | }
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| 79 | }
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| 80 | }
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