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funcpair_conesection_circle.h
1 /* Copyright (C) 2004-2010 MBSim Development Team
2  *
3  * This library is free software; you can redistribute it and/or
4  * modify it under the terms of the GNU Lesser General Public
5  * License as published by the Free Software Foundation; either
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11  * Lesser General Public License for more details.
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13  * You should have received a copy of the GNU Lesser General Public
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15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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18  */
19 
20 #ifndef _FUNCPAIR_CONESECTION_CIRCLE_H_
21 #define _FUNCPAIR_CONESECTION_CIRCLE_H_
22 
23 #include <mbsim/functions/contact/distance_function.h>
24 
25 namespace MBSim {
26 
32  class FuncPairConeSectionCircle : public DistanceFunction<double(double)> {
33  public:
41  FuncPairConeSectionCircle(double R_,double a_,double b_) : R(R_), a(a_), b(b_), sec_IN_ci(true) {}
42 
50  FuncPairConeSectionCircle(double R_, double a_, double b_, bool sec_IN_ci_) :
51  R(R_), a(a_), b(b_), sec_IN_ci(sec_IN_ci_) {
52  }
53 
54  /* INHERITED INTERFACE OF DISTANCEFUNCTION */
55  virtual double operator()(const double &phi) = 0;
56  double operator[](const double &phi);
57  virtual fmatvec::Vec3 evalWrD(const double &phi) = 0;
58  /*************************************************/
59 
60  /* GETTER / SETTER */
61  void setDiffVec(fmatvec::Vec3 d_);
62 
63  void setSectionCOS(fmatvec::Vec3 b1_, fmatvec::Vec3 b2_);
64  /*************************************************/
65 
66  protected:
70  double R, a, b;
71 
75  bool sec_IN_ci;
76 
80  fmatvec::Vec3 b1, b2;
81 
85  fmatvec::Vec3 d;
86  };
87 
88  inline void FuncPairConeSectionCircle::setDiffVec(fmatvec::Vec3 d_) {
89  d = d_;
90  }
91  inline void FuncPairConeSectionCircle::setSectionCOS(fmatvec::Vec3 b1_, fmatvec::Vec3 b2_) {
92  b1 = b1_;
93  b2 = b2_;
94  }
95  inline double FuncPairConeSectionCircle::operator[](const double &phi) {
96  if (sec_IN_ci)
97  return R - nrm2(evalWrD(phi));
98  else
99  return nrm2(evalWrD(phi)) - R;
100  }
101 
102 }
103 
104 #endif
Definition: distance_function.h:27
double nrm2(const Vector< Ref, double > &x)
base root function for planar pairing ConeSection and Circle
Definition: funcpair_conesection_circle.h:32
fmatvec::Vec3 b1
normed base-vectors of cone-section
Definition: funcpair_conesection_circle.h:80
FuncPairConeSectionCircle(double R_, double a_, double b_, bool sec_IN_ci_)
constructor
Definition: funcpair_conesection_circle.h:50
fmatvec::Vec3 d
distance-vector of cone-section- and circle-midpoint
Definition: funcpair_conesection_circle.h:85
FuncPairConeSectionCircle(double R_, double a_, double b_)
constructor
Definition: funcpair_conesection_circle.h:41
double R
radius of circle as well as length in b1- and b2-direction
Definition: funcpair_conesection_circle.h:70
bool sec_IN_ci
cone-section in circle
Definition: funcpair_conesection_circle.h:75

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