1 | /* |
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2 | * ---------------------------------------------------------------------- |
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3 | * Rappture::Node1D |
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4 | * Rappture::Node2D |
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5 | * Rappture::Node3D |
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6 | * This is a node in cartesian coordinate space. |
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7 | * |
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8 | * ====================================================================== |
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9 | * AUTHOR: Michael McLennan, Purdue University |
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10 | * Copyright (c) 2004-2006 Purdue Research Foundation |
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11 | * |
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12 | * See the file "license.terms" for information on usage and |
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13 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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14 | * ====================================================================== |
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15 | */ |
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16 | #ifndef RPNODE_H |
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17 | #define RPNODE_H |
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18 | |
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19 | namespace Rappture { |
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20 | |
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21 | enum Axis { |
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22 | xaxis, yaxis, zaxis |
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23 | }; |
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24 | |
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25 | class Node { |
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26 | public: |
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27 | Node() : _id(-1) {} |
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28 | |
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29 | virtual Node& id(int newid) { _id=newid; return *this; } |
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30 | virtual int id() const { return _id; } |
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31 | |
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32 | virtual int dimensionality() const = 0; |
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33 | |
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34 | virtual ~Node() {} |
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35 | |
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36 | private: |
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37 | int _id; // node identifier (used for fields) |
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38 | }; |
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39 | |
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40 | |
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41 | class Node1D : public Node { |
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42 | public: |
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43 | Node1D(double x) : _x(x) {} |
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44 | |
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45 | virtual int dimensionality() const { return 1; } |
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46 | virtual double x() const { return _x; } |
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47 | virtual double x(double newval) { _x = newval; return _x; } |
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48 | |
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49 | virtual ~Node1D() {} |
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50 | |
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51 | private: |
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52 | double _x; // x-coordinate |
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53 | }; |
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54 | |
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55 | |
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56 | class Node2D : public Node { |
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57 | public: |
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58 | Node2D(double x, double y) : _x(x), _y(y) {} |
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59 | |
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60 | virtual int dimensionality() const { return 2; } |
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61 | virtual double x() const { return _x; } |
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62 | virtual double y() const { return _y; } |
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63 | |
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64 | virtual double x(double newval) { _x = newval; return _x; } |
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65 | virtual double y(double newval) { _y = newval; return _y; } |
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66 | |
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67 | virtual ~Node2D() {} |
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68 | |
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69 | private: |
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70 | double _x; // x-coordinate |
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71 | double _y; // y-coordinate |
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72 | }; |
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73 | |
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74 | |
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75 | class Node3D : public Node { |
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76 | public: |
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77 | Node3D(double x, double y, double z) : _x(x), _y(y), _z(z) {} |
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78 | |
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79 | virtual int dimensionality() const { return 3; } |
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80 | virtual double x() const { return _x; } |
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81 | virtual double y() const { return _y; } |
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82 | virtual double z() const { return _z; } |
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83 | |
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84 | virtual double x(double newval) { _x = newval; return _x; } |
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85 | virtual double y(double newval) { _y = newval; return _y; } |
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86 | virtual double z(double newval) { _z = newval; return _z; } |
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87 | |
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88 | virtual ~Node3D() {} |
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89 | |
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90 | private: |
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91 | double _x; // x-coordinate |
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92 | double _y; // y-coordinate |
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93 | double _z; // y-coordinate |
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94 | }; |
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95 | |
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96 | } // namespace Rappture |
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97 | |
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98 | #endif /*RPNODE_H*/ |
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