DGtal 1.3.0
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Knot_5_2.ih
1/**
2 * This program is free software: you can redistribute it and/or modify
3 * it under the terms of the GNU Lesser General Public License as
4 * published by the Free Software Foundation, either version 3 of the
5 * License, or (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program. If not, see <http://www.gnu.org/licenses/>.
14 *
15 **/
16
17/**
18 * @file Knot_5_2.ih
19 * @author Kacper Pluta (\c kacper.pluta@esiee.fr )
20 * Laboratoire d'Informatique Gaspard-Monge - LIGM, A3SI, France
21 *
22 * @date 2014/10/01
23 *
24 * Implementation of inline methods defined in Knot_5_2.h
25 *
26 * This file is part of the DGtal library.
27 */
28
29///////////////////////////////////////////////////////////////////////////////
30// IMPLEMENTATION of inline methods.
31///////////////////////////////////////////////////////////////////////////////
32
33//////////////////////////////////////////////////////////////////////////////
34//////////////////////////////////////////////////////////////////////////////
35
36
37
38///////////////////////////////////////////////////////////////////////////////
39// Implementation of inline methods //
40
41template <typename T>
42inline
43DGtal::Knot_5_2<T>::Knot_5_2 ( long double scale_1, long double scale_2, long double scale_3 ) : scale {scale_1, scale_2, scale_3}
44{}
45
46template < typename T>
47inline
48typename DGtal::Knot_5_2<T>::RealPoint DGtal::Knot_5_2<T>::x ( const long double t ) const
49{
50 return RealPoint ( scale[0] * std::cos ( 2. * t ) * ( 3. + std::cos ( 5. * t ) ),
51 scale[1] * std::sin ( 2. * t ) * ( 3. + std::cos ( 5. * t ) ),
52 scale[2] * std::sin( 5. * t )
53 );
54}
55
56template < typename T>
57inline
58typename DGtal::Knot_5_2<T>::RealPoint DGtal::Knot_5_2<T>::xp ( const long double t ) const
59{
60 return RealPoint ( scale[0] * -1. /2. * ( 12. * std::sin ( 2 * t ) + 3. * std::sin ( 3. * t ) + 7. * std::sin ( 7. * t ) ),
61 scale[1] * 1. / 2. * ( 12. * std::cos ( 2. * t ) - 3. * std::cos ( 3. * t ) + 7. * std::cos ( 7. * t ) ),
62 scale[2] * 5. * std::cos( 5. * t ) );
63}
64
65
66template < typename T>
67inline
68double DGtal::Knot_5_2<T>::getPeriod()
69{
70 return PERIOD;
71}
72
73template < typename T>
74inline
75void DGtal::Knot_5_2<T>::selfDisplay ( std::ostream & out ) const
76{
77 out << "[Knot_5_2]";
78}
79
80///////////////////////////////////////////////////////////////////////////////
81// Implementation of inline functions and external operators //
82
83/**
84 * Overloads 'operator<<' for displaying objects of class 'Knot_5_2'.
85 * @param out the output stream where the object is written.
86 * @param object the object of class 'Knot_5_2' to write.
87 * @return the output stream after the writing.
88 */
89template <typename T>
90inline
91std::ostream&
92DGtal::operator<< ( std::ostream & out, const Knot_5_2<T> & object )
93{
94 object.selfDisplay ( out );
95 return out;
96}
97
98// //
99///////////////////////////////////////////////////////////////////////////////
100
101