1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2016 Joseph Helm and 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 System;
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23 | using System.Linq;
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24 | using HeuristicLab.Core;
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25 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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26 | using HeuristicLab.Common;
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27 | using System.Collections.Generic;
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28 | using HeuristicLab.Encodings.IntegerVectorEncoding;
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29 |
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30 | namespace HeuristicLab.Problems.BinPacking3D {
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31 | [Item("Bottom-left IntegerVector Decoder (3d)", "Decodes the integer vector and creates a packing solution candidate")]
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32 | [StorableClass]
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33 | public class BottomLeftIntegerVectorDecoder : IntegerVectorDecoderBase {
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34 |
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35 | [StorableConstructor]
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36 | protected BottomLeftIntegerVectorDecoder(bool deserializing) : base(deserializing) { }
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37 | protected BottomLeftIntegerVectorDecoder(BottomLeftIntegerVectorDecoder original, Cloner cloner)
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38 | : base(original, cloner) {
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39 | }
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40 | public BottomLeftIntegerVectorDecoder() : base() { }
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41 | public override IDeepCloneable Clone(Cloner cloner) {
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42 | return new BottomLeftIntegerVectorDecoder(this, cloner);
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43 | }
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44 |
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45 | public override Solution Decode(IntegerVector intVec, PackingShape binShape, IList<PackingItem> items, bool useStackingConstraints) {
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46 | // TODO
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47 | if (useStackingConstraints) throw new NotSupportedException("Stacking constraints are not supported by the Bottom-Left IntegerVector Decoder");
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48 | return base.Decode(intVec, binShape, items, useStackingConstraints: false);
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49 | }
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50 |
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51 | protected override Solution CreateSolution(PackingShape binShape, bool useStackingConstraints) {
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52 | return new Solution(binShape, useExtremePoints: false, stackingConstraints: useStackingConstraints);
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53 | }
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54 |
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55 | protected override PackingPosition FindPositionForItem(BinPacking3D bp, PackingItem item, bool useStackingConstraints) {
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56 | return bp.FindPositionBySliding(item, rotated: false);
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57 | }
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58 |
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59 | protected override BinPacking3D CreatePacking(
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60 | Solution partialSolution,
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61 | ref IList<int> remainingIDs, IList<PackingItem> items, bool useStackingConstraints) {
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62 | var bp = new BinPacking3D(partialSolution.BinShape);
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63 | bp.SlidingBasedPacking(ref remainingIDs, items);
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64 | return bp;
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65 | }
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66 | }
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67 | }
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