Last change
on this file since 10746 was
9945,
checked in by ascheibe, 11 years ago
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#1886
- added new convex hull algorithm based on SMO/SVM
- added unit test and a visualization
- updated MIConvexHull
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File size:
1.2 KB
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1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Linq;
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4 | using System.Text;
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5 |
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6 | namespace MIConvexHull
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7 | {
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8 | class VertexSort:IComparer<VertexWrap>
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9 | {
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10 | private readonly int dimension;
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11 | public List<VertexWrap> Duplicates { get; private set; }
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12 |
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13 | public VertexSort(int Dimension)
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14 | {
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15 | this.dimension = Dimension;
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16 | Duplicates = new List<VertexWrap>();
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17 | }
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18 | public int Compare(VertexWrap x, VertexWrap y)
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19 | {
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20 | if (x == y) return 0;
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21 | for (int i = 0; i < dimension; i++)
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22 | {
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23 | if (x.PositionData[i] < y.PositionData[i]) return -1;
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24 | if (x.PositionData[i] > y.PositionData[i]) return 1;
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25 | }
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26 | if (isANewDuplicate(x)) Duplicates.Add(x);
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27 | return 0;
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28 | }
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29 |
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30 | private bool isANewDuplicate(VertexWrap x)
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31 | {
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32 | for (int i = 0; i < Duplicates.Count; i++)
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33 | {
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34 | if (Constants.SamePosition(x.PositionData, Duplicates[i].PositionData, dimension))
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35 | return false;
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36 | }
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37 | return true;
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38 | }
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39 |
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40 | }
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41 | }
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