DGtal 1.4.0
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CanonicSCellEmbedder.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 CanonicSCellEmbedder.ih
19 * @author Jacques-Olivier Lachaud (\c jacques-olivier.lachaud@univ-savoie.fr )
20 * Laboratory of Mathematics (CNRS, UMR 5127), University of Savoie, France
21 *
22 * @date 2012/02/28
23 *
24 * Implementation of inline methods defined in CanonicSCellEmbedder.h
25 *
26 * This file is part of the DGtal library.
27 */
28
29///////////////////////////////////////////////////////////////////////////////
30// IMPLEMENTATION of inline methods.
31///////////////////////////////////////////////////////////////////////////////
32
33//////////////////////////////////////////////////////////////////////////////
34#include <cstdlib>
35#include <cmath>
36#include "DGtal/kernel/NumberTraits.h"
37//////////////////////////////////////////////////////////////////////////////
38
39
40
41///////////////////////////////////////////////////////////////////////////////
42// Implementation of inline methods //
43//-----------------------------------------------------------------------------
44template <typename TKSpace>
45inline
46DGtal::CanonicSCellEmbedder<TKSpace>::
47~CanonicSCellEmbedder()
48{}
49//-----------------------------------------------------------------------------
50template <typename TKSpace>
51inline
52DGtal::CanonicSCellEmbedder<TKSpace>::
53CanonicSCellEmbedder()
54 : myKSpace( 0 )
55{}
56//-----------------------------------------------------------------------------
57template <typename TKSpace>
58inline
59DGtal::CanonicSCellEmbedder<TKSpace>::
60CanonicSCellEmbedder( ConstAlias<KSpace> aKSpace )
61 : myKSpace( &aKSpace )
62{}
63//-----------------------------------------------------------------------------
64template <typename TKSpace>
65inline
66DGtal::CanonicSCellEmbedder<TKSpace>::
67CanonicSCellEmbedder( const Self & other )
68 : myKSpace( other.myKSpace )
69{}
70//-----------------------------------------------------------------------------
71template <typename TKSpace>
72inline
73typename DGtal::CanonicSCellEmbedder<TKSpace>::Self &
74DGtal::CanonicSCellEmbedder<TKSpace>::
75operator=( const Self & other )
76{
77 myKSpace = other.myKSpace;
78 return *this;
79}
80//-----------------------------------------------------------------------------
81template <typename TKSpace>
82inline
83const typename DGtal::CanonicSCellEmbedder<TKSpace>::KSpace &
84DGtal::CanonicSCellEmbedder<TKSpace>::space() const
85{
86 ASSERT( this->isValid() );
87 return *myKSpace;
88}
89//-----------------------------------------------------------------------------
90template <typename TKSpace>
91inline
92typename DGtal::CanonicSCellEmbedder<TKSpace>::RealPoint
93DGtal::CanonicSCellEmbedder<TKSpace>::embed( const SCell & scell ) const
94{
95 return this->operator()( scell );
96}
97//-----------------------------------------------------------------------------
98template <typename TKSpace>
99inline
100typename DGtal::CanonicSCellEmbedder<TKSpace>::RealPoint
101DGtal::CanonicSCellEmbedder<TKSpace>::operator()( const SCell & scell ) const
102{
103 ASSERT( this->isValid() );
104 Point dp = myKSpace->sKCoords( scell );
105 RealPoint p;
106 for ( Dimension i = 0; i < dp.size(); ++i )
107 p[ i ] = ( NumberTraits<Integer>::castToDouble( dp[ i ] ) / 2.0 ) - 0.5; /// In Khalimsky Space, 0-SCells have even coordinates, while in the embedding, voxel centers have integer coordinates, we need to shift all coordinates by -1/2.
108 return p;
109}
110//-----------------------------------------------------------------------------
111template <typename TKSpace>
112inline
113bool
114DGtal::CanonicSCellEmbedder<TKSpace>::isValid( ) const
115{
116 return myKSpace != 0;
117}
118///////////////////////////////////////////////////////////////////////////////
119// Implementation of inline functions and external operators //
120
121/**
122 * Overloads 'operator<<' for displaying objects of class 'CanonicSCellEmbedder'.
123 * @param out the output stream where the object is written.
124 * @param object the object of class 'CanonicSCellEmbedder' to write.
125 * @return the output stream after the writing.
126 */
127/*template <typename TKSpace>
128inline
129std::ostream&
130DGtal::operator<< ( std::ostream & out,
131 const CanonicSCellEmbedder<TKSpace> & object )
132{
133 object.selfDisplay ( out );
134 return out;
135}*/
136
137// //
138///////////////////////////////////////////////////////////////////////////////
139
140