source: src/Shapes/ShapeOps_impl.hpp@ dba7b0

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Last change on this file since dba7b0 was c67c65, checked in by Frederik Heber <heber@…>, 13 years ago

Added preliminary getVolume() and getSurfaceArea() implementation to all Shapes.

  • only BaseShapes are truely usable, the rest is mostly marked as TODO.
  • the problem is that intersections are not so easy to handle. Probably, we have to use polygonal intersections there and approximate volume calculations.
  • the functions return -1 when not implemented yet. this is preparatory to start approximate calculations at the top node of the Shape "graph" if -1. is returned from the implementation.
  • Property mode set to 100644
File size: 4.2 KB
Line 
1/*
2 * ShapeOps_impl.hpp
3 *
4 * Created on: Jun 18, 2010
5 * Author: crueger
6 */
7
8#ifndef SHAPEOPS_IMPL_HPP_
9#define SHAPEOPS_IMPL_HPP_
10
11// include config.h
12#ifdef HAVE_CONFIG_H
13#include <config.h>
14#endif
15
16
17#include "Shapes/Shape_impl.hpp"
18#include "Shapes/ShapeExceptions.hpp"
19#include "Shapes/ShapeType.hpp"
20#include "LinearAlgebra/Vector.hpp"
21#include "LinearAlgebra/RealSpaceMatrix.hpp"
22
23#include <vector>
24
25class LineSegment;
26
27class ShapeOpsBase_impl : public Shape_impl{
28public:
29 ShapeOpsBase_impl(const Shape::impl_ptr&);
30 virtual ~ShapeOpsBase_impl();
31 virtual bool isInside(const Vector &point) const;
32 virtual bool isOnSurface(const Vector &point) const;
33 virtual Vector getNormal(const Vector &point) const throw (NotOnSurfaceException);
34 virtual Vector getCenter() const;
35 virtual double getRadius() const;
36 virtual LineSegmentSet getLineIntersections(const Line&) const;
37 virtual enum ShapeType getType() const;
38 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
39 virtual std::vector<Vector> getHomogeneousPointsInVolume(const size_t N) const;
40protected:
41 virtual Vector translateIn(const Vector &point) const=0;
42 virtual Vector translateOutPos(const Vector &point) const=0;
43 virtual Vector translateOutNormal(const Vector &point) const=0;
44 Shape::impl_ptr getArg() const;
45private:
46 Shape::impl_ptr arg;
47};
48
49class Resize_impl : public ShapeOpsBase_impl
50{
51public:
52 Resize_impl(const Shape::impl_ptr&,double);
53 virtual ~Resize_impl();
54protected:
55 virtual double getVolume() const;
56 virtual double getSurfaceArea() const;
57 virtual Vector translateIn(const Vector &point) const;
58 virtual Vector translateOutPos(const Vector &point) const;
59 virtual Vector translateOutNormal(const Vector &point) const;
60 virtual std::string toString() const;
61 virtual bool isInside(const Vector& point) const;
62 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
63 virtual std::vector<Vector> getHomogeneousPointsInVolume(const size_t N) const;
64private:
65 double size;
66};
67
68class Translate_impl : public ShapeOpsBase_impl
69{
70public:
71 Translate_impl(const Shape::impl_ptr&, const Vector&);
72 virtual ~Translate_impl();
73protected:
74 virtual Vector getCenter() const;
75 virtual double getRadius() const;
76 virtual double getVolume() const;
77 virtual double getSurfaceArea() const;
78 virtual Vector translateIn(const Vector &point) const;
79 virtual Vector translateOutPos(const Vector &point) const;
80 virtual Vector translateOutNormal(const Vector &point) const;
81 virtual std::string toString() const;
82 virtual bool isInside(const Vector& point) const;
83 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
84 virtual std::vector<Vector> getHomogeneousPointsInVolume(const size_t N) const;
85private:
86 Vector offset;
87};
88
89class Stretch_impl : public ShapeOpsBase_impl
90{
91public:
92
93
94 Stretch_impl(const Shape::impl_ptr&, const Vector&);
95 virtual ~Stretch_impl();
96protected:
97 virtual double getVolume() const;
98 virtual double getSurfaceArea() const;
99 virtual Vector translateIn(const Vector &point) const;
100 virtual Vector translateOutPos(const Vector &point) const;
101 virtual Vector translateOutNormal(const Vector &point) const;
102 virtual std::string toString() const;
103 virtual bool isInside(const Vector& point) const;
104 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
105 virtual std::vector<Vector> getHomogeneousPointsInVolume(const size_t N) const;
106private:
107 Vector factors;
108 Vector reciFactors;
109};
110
111class Transform_impl : public ShapeOpsBase_impl
112{
113public:
114 Transform_impl(const Shape::impl_ptr&, const RealSpaceMatrix&);
115 virtual ~Transform_impl();
116protected:
117 virtual double getVolume() const;
118 virtual double getSurfaceArea() const;
119 virtual Vector translateIn(const Vector &point) const;
120 virtual Vector translateOutPos(const Vector &point) const;
121 virtual Vector translateOutNormal(const Vector &point) const;
122 virtual std::string toString() const;
123 virtual bool isInside(const Vector& point) const;
124 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
125 virtual std::vector<Vector> getHomogeneousPointsInVolume(const size_t N) const;
126private:
127 RealSpaceMatrix transformation;
128 RealSpaceMatrix transformationInv;
129};
130
131#endif /* SHAPEOPS_IMPL_HPP_ */
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