[9348] | 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 System;
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| 23 | using System.Collections.Generic;
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| 24 | using System.Linq;
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| 25 | using System.Text;
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| 26 | using HeuristicLab.Problems.BinPacking.Interfaces;
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| 27 | using HeuristicLab.Core;
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| 28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 29 | using HeuristicLab.Common;
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| 30 | using HeuristicLab.Problems.BinPacking.Dimensions;
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| 31 |
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| 32 | namespace HeuristicLab.Problems.BinPacking.Shapes {
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| 33 | [Item("CuboidPackingShape", "Represents the cuboid measures (width, height, depth) of a three-dimensional cuboidic bin-packing object.")]
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| 34 | [StorableClass]
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| 35 | public abstract class CuboidPackingShape : PackingShape<ThreeDimensionalPacking>, IRegularPackingShape, IComparable<CuboidPackingShape> {
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| 36 | #region Properties
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| 37 | /// <summary>
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| 38 | /// Describes the size on the X-axis
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| 39 | /// </summary>
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| 40 | [Storable]
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| 41 | public int Width { get; set; }
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| 42 | /// <summary>
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| 43 | /// Describes the size on the Y-axis
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| 44 | /// </summary>
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| 45 | [Storable]
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| 46 | public int Height { get; set; }
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| 47 | /// <summary>
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| 48 | /// Describes the size on the Z-axis
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| 49 | /// </summary>
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| 50 | [Storable]
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| 51 | public int Depth { get; set; }
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| 52 | #endregion
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| 53 |
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| 54 | #region Helpers
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[9593] | 55 | public override ThreeDimensionalPacking Origin { get { return new ThreeDimensionalPacking(0, 0, 0, 0); } }
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| 56 | public override int MultipliedMeasures { get { return Width * Height * Depth; } }
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[9596] | 57 |
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| 58 | public override bool EnclosesPoint(ThreeDimensionalPacking myPosition, ThreeDimensionalPacking checkedPoint) {
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[9599] | 59 | return (myPosition.X <= checkedPoint.X &&
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| 60 | (myPosition.X + (myPosition.Rotated ? Depth : Width) - 1) >= checkedPoint.X &&
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| 61 | myPosition.Y <= checkedPoint.Y &&
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| 62 | (myPosition.Y + Height - 1) >= checkedPoint.Y &&
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| 63 | myPosition.Z <= checkedPoint.Z &&
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| 64 | (myPosition.Z + (myPosition.Rotated ? Width : Depth) - 1) >= checkedPoint.Z);
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[9596] | 65 | }
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[9348] | 66 | public override bool Encloses(ThreeDimensionalPacking checkedPosition, PackingShape<ThreeDimensionalPacking> checkedShape) {
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| 67 | return Encloses(checkedPosition, (CuboidPackingShape) checkedShape);
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| 68 | }
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| 69 | private bool Encloses(ThreeDimensionalPacking checkedPosition, CuboidPackingShape checkedShape) {
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| 70 | return Encloses(new CuboidDiagonal(this), new CuboidDiagonal(checkedPosition, checkedShape));
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| 71 | }
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| 72 | private bool Encloses(CuboidDiagonal c1, CuboidDiagonal c2) {
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| 73 | return (c1.x1 <= c2.x1 &&
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| 74 | c1.x2 >= c2.x2 &&
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| 75 | c1.y1 <= c2.y1 &&
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| 76 | c1.y2 >= c2.y2 &&
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| 77 | c1.z1 <= c2.z1 &&
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| 78 | c1.z2 >= c2.z2);
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| 79 | }
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| 80 |
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| 81 | public override bool Overlaps(ThreeDimensionalPacking myPosition, ThreeDimensionalPacking checkedPosition, PackingShape<ThreeDimensionalPacking> checkedShape) {
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| 82 | return Overlaps(myPosition, checkedPosition, (CuboidPackingShape)checkedShape);
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| 83 | }
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| 84 | private bool Overlaps(ThreeDimensionalPacking myPosition, ThreeDimensionalPacking checkedPosition, CuboidPackingShape checkedShape) {
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| 85 | return Overlaps(new CuboidDiagonal(myPosition, this), new CuboidDiagonal(checkedPosition, checkedShape));
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| 86 | }
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| 87 | private bool Overlaps(CuboidDiagonal c1, CuboidDiagonal c2) {
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[9599] | 88 | return !(c1.x1 > c2.x2 ||
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| 89 | c1.y1 > c2.y2 ||
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| 90 | c1.z1 > c2.z2 ||
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| 91 | c1.x2 < c2.x1 ||
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| 92 | c1.y2 < c2.y1 ||
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| 93 | c1.z2 < c2.z1);
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[9348] | 94 | }
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| 95 |
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| 96 | public void ApplyHorizontalOrientation() {
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| 97 | if (Width > Depth) {
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| 98 | var aux = Width;
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| 99 | Width = Depth;
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| 100 | Depth = aux;
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| 101 | }
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| 102 | }
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| 103 | #endregion
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| 104 |
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| 105 | public CuboidPackingShape(int width, int height, int depth) : base () {
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| 106 | this.Width = width;
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| 107 | this.Height = height;
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| 108 | this.Depth = depth;
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| 109 | }
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| 110 |
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| 111 | public override void InitializeFromMeasures(int[] measures) {
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| 112 | if (measures.Length != 3)
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| 113 | throw new InvalidOperationException("Nr of measures does not fit shape-dimension.");
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| 114 | this.Width = measures[0];
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| 115 | this.Height = measures[1];
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| 116 | this.Depth = measures[2];
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| 117 | }
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| 118 | public override int[] ToArray() {
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| 119 | return new int[] { Width, Height, Depth };
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| 120 | }
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| 121 |
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| 122 | [StorableConstructor]
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| 123 | protected CuboidPackingShape(bool deserializing) : base(deserializing) { }
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| 124 | protected CuboidPackingShape(CuboidPackingShape original, Cloner cloner)
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| 125 | : base(original, cloner) {
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| 126 | this.Width = original.Width;
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| 127 | this.Height = original.Height;
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| 128 | this.Depth = original.Depth;
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| 129 | }
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| 130 | public CuboidPackingShape() : base(){ }
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| 131 |
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| 132 | public override string ToString() {
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| 133 | return String.Format("CuboidPackingShape ({0}, {1}, {2})", this.Width, this.Height, this.Depth);
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| 134 | }
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| 135 |
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| 136 | #region IComparable Members
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| 137 |
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| 138 | public int CompareTo(CuboidPackingShape other) {
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| 139 | //Using "Clustered-Area-Height"-comparison as descr
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| 140 |
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[9563] | 141 | int result = (this.Width * this.Depth).CompareTo (other.Width * other.Depth);
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| 142 |
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| 143 | if (result == 0)
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| 144 | result = this.MultipliedMeasures.CompareTo(other.MultipliedMeasures);
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[9348] | 145 | //if (result == 0) {
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| 146 | // result = this.Depth.CompareTo(other.Depth) + this.Width.CompareTo(other.Width);
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| 147 | // if (result == 0) {
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| 148 | // result = this.Width.CompareTo(other.Width);
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[9563] | 149 | if (result == 0)
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| 150 | result = this.Height.CompareTo(other.Height);
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[9348] | 151 | // }
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| 152 | //}
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| 153 | return result;
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| 154 | }
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| 155 |
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| 156 | public int CompareTo(object obj) {
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| 157 | if (obj.GetType().Equals(this.GetType()))
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| 158 | return this.CompareTo((CuboidPackingShape)obj);
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| 159 | else return 0;
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| 160 | }
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| 161 |
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| 162 | #endregion
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| 163 |
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| 164 | private struct CuboidDiagonal {
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| 165 | public int x1;
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| 166 | public int y1;
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| 167 | public int z1;
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| 168 | public int x2;
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| 169 | public int y2;
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| 170 | public int z2;
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| 171 | public CuboidDiagonal(CuboidPackingShape myShape) : this(new ThreeDimensionalPacking(0, 0, 0, 0), myShape) { }
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| 172 | public CuboidDiagonal(ThreeDimensionalPacking myPosition, CuboidPackingShape myShape) {
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| 173 | x1 = myPosition.X;
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| 174 | y1 = myPosition.Y;
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| 175 | z1 = myPosition.Z;
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[9599] | 176 | x2 = myPosition.X + (myPosition.Rotated ? myShape.Depth : myShape.Width) - 1;
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| 177 | y2 = myPosition.Y + myShape.Height - 1;
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| 178 | z2 = myPosition.Z + (myPosition.Rotated ? myShape.Width : myShape.Depth) - 1;
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[9348] | 179 | }
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| 180 | }
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| 181 | }
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| 182 | }
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