DGtal 1.4.2
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Macros | Functions
testExpander.cpp File Reference
DGtal Test Files
#include <iostream>
#include <sstream>
#include "DGtal/base/Common.h"
#include "DGtal/kernel/SpaceND.h"
#include "DGtal/kernel/domains/DomainPredicate.h"
#include "DGtal/kernel/domains/HyperRectDomain.h"
#include "DGtal/kernel/sets/DigitalSetSelector.h"
#include "DGtal/kernel/sets/DigitalSetConverter.h"
#include "DGtal/topology/MetricAdjacency.h"
#include "DGtal/topology/DomainMetricAdjacency.h"
#include "DGtal/topology/DomainAdjacency.h"
#include "DGtal/topology/DigitalTopology.h"
#include "DGtal/topology/Object.h"
#include "DGtal/graph/Expander.h"
Include dependency graph for testExpander.cpp:

Go to the source code of this file.

Macros

#define INBLOCK_TEST(x)
 
#define INBLOCK_TEST2(x, y)
 

Functions

bool testExpander ()
 
int main (int argc, char **argv)
 

Detailed Description

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Author
Jacques-Olivier Lachaud (jacqu.nosp@m.es-o.nosp@m.livie.nosp@m.r.la.nosp@m.chaud.nosp@m.@uni.nosp@m.v-sav.nosp@m.oie..nosp@m.fr ) Laboratory of Mathematics (CNRS, UMR 5807), University of Savoie, France
Date
2010/07/11

Functions for testing class Expander.

This file is part of the DGtal library.

Definition in file testExpander.cpp.

Macro Definition Documentation

◆ INBLOCK_TEST

#define INBLOCK_TEST ( x)
Value:
nbok += ( x ) ? 1 : 0; \
nb++; \
trace.info() << "(" << nbok << "/" << nb << ") " \
<< #x << std::endl;
DGtal::Trace::info
std::ostream & info()
DGtal::trace
Trace trace
Definition Common.h:153

Definition at line 50 of file testExpander.cpp.

50#define INBLOCK_TEST(x) \
51 nbok += ( x ) ? 1 : 0; \
52 nb++; \
53 trace.info() << "(" << nbok << "/" << nb << ") " \
54 << #x << std::endl;

Referenced by testExpander().

◆ INBLOCK_TEST2

#define INBLOCK_TEST2 ( x,
y )
Value:
nbok += ( x ) ? 1 : 0; \
nb++; \
trace.info() << "(" << nbok << "/" << nb << ") " \
<< y << std::endl;

Definition at line 56 of file testExpander.cpp.

56#define INBLOCK_TEST2(x,y) \
57 nbok += ( x ) ? 1 : 0; \
58 nb++; \
59 trace.info() << "(" << nbok << "/" << nb << ") " \
60 << y << std::endl;

Function Documentation

◆ main()

int main ( int argc,
char ** argv )

Definition at line 180 of file testExpander.cpp.

181{
182 trace.beginBlock ( "Testing class Expander" );
183 trace.info() << "Args:";
184 for ( int i = 0; i < argc; ++i )
185 trace.info() << " " << argv[ i ];
186 trace.info() << endl;
187
188 bool res = testExpander(); // && ... other tests
189 trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
190 trace.endBlock();
191 return res ? 0 : 1;
192}
DGtal::Trace::beginBlock
void beginBlock(const std::string &keyword="")
DGtal::Trace::emphase
std::ostream & emphase()
DGtal::Trace::endBlock
double endBlock()
testExpander
bool testExpander()
Definition testExpander.cpp:69

References DGtal::Trace::beginBlock(), DGtal::Trace::emphase(), DGtal::Trace::endBlock(), DGtal::Trace::info(), testExpander(), and DGtal::trace.

◆ testExpander()

bool testExpander ( )

Example of a test. To be completed.

Definition at line 69 of file testExpander.cpp.

70{
71 unsigned int nbok = 0;
72 unsigned int nb = 0;
73
74 // ------------------------------ Types ------------------------------
75 typedef SpaceND< 3 > Z3;
76 typedef Z3::Point Point;
77 typedef Point::Coordinate Coordinate;
78 typedef HyperRectDomain< Z3 > Domain;
79 typedef Domain::ConstIterator DomainConstIterator;
80
81 typedef MetricAdjacency< Z3, 1 > MetricAdj6;
82 typedef MetricAdjacency< Z3, 2 > MetricAdj18;
83 typedef DomainAdjacency< Domain, MetricAdj6 > Adj6;
84 typedef DomainAdjacency< Domain, MetricAdj18 > Adj18;
85 // typedef MetricAdjacency< Z3, 1 > Adj6;
86 // typedef MetricAdjacency< Z3, 2 > Adj18;
87
88 typedef DigitalTopology< Adj6, Adj18 > DT6_18;
89
90 typedef DigitalSetSelector< Domain, BIG_DS+HIGH_BEL_DS >::Type DigitalSet;
91 typedef Object<DT6_18, DigitalSet> ObjectType;
92 typedef Expander< ObjectType > ObjectExpander;
93 // ----------------------- Domain, Topology ------------------------------
94 Point p1( -50, -50, -50 );
95 Point p2( 50, 50, 50 );
96 Domain domain( p1, p2 );
97
98 MetricAdj6 madj6;
99 MetricAdj18 madj18;
100 Adj6 adj6( domain, madj6 );
101 Adj18 adj18( domain, madj18 );
102 // Adj6 adj6;
103 // Adj18 adj18;
104
105 DT6_18 dt6_18( adj6, adj18, JORDAN_DT );
106 // ------------------------------- Object ------------------------------
107 Coordinate r = 9;
108 double radius = (double) (r+1);
109 Point c( 0, 0 );
110 Point l( r, 0 );
111 DigitalSet ball_set( domain );
112 ostringstream sstr;
113 sstr << "Creating 3D ball( r < " << radius << " ) ...";
114 trace.beginBlock ( sstr.str() );
115 for ( DomainConstIterator it = domain.begin();
116 it != domain.end();
117 ++it )
118 {
119 if ( (*it - c ).norm() < radius )
120 // insertNew is very important for vector container.
121 ball_set.insertNew( *it );
122 }
123 trace.endBlock();
124
125 trace.beginBlock ( "Testing Object instanciation and smart copy ..." );
126 ObjectType ball( dt6_18, ball_set );
127 ObjectType ball2( ball );
128 INBLOCK_TEST( ball.size() == 4139 );
129 trace.info() << "ball.size() = " << ball.size()
130 << " 4/3*pi*r^3 = " << ( 4.0*M_PI*radius*radius*radius/3.0 )
131 << endl;
132 trace.info() << "ball = " << ball << endl;
133 trace.info() << "ball2 = " << ball2 << endl;
134 trace.endBlock();
135
136 trace.beginBlock ( "Testing border extraction ..." );
137 ObjectType sphere = ball.border();
138 INBLOCK_TEST( sphere.size() == 1434 );
139 trace.info() << sphere << endl;
140 trace.info() << "sphere.size() = " << sphere.size()
141 << " 4*pi*r^2 = " << ( 4.0*M_PI*radius*radius )
142 << endl;
143 trace.endBlock();
144
145 trace.beginBlock ( "Testing expansion by layers in the ball from center..." );
146 ObjectExpander expander( ball, c );
147 while ( ! expander.finished() )
148 {
149 trace.info() << expander << std::endl;
150 expander.nextLayer();
151 }
152 nbok += expander.distance() <= sqrt(3.0)*radius ? 1 : 0;
153 nb++;
154 trace.info() << "(" << nbok << "/" << nb << ") "
155 << "expander.distance() = " << expander.distance()
156 << " <= " << sqrt(3.0)*radius << std::endl;
157 trace.endBlock();
158
159 trace.beginBlock ( "Testing expansion by layers on the sphere from a point ..." );
160 ObjectExpander expander2( sphere, l );
161 while ( ! expander2.finished() )
162 {
163 trace.info() << expander2 << std::endl;
164 expander2.nextLayer();
165 }
166 nbok += expander2.distance() <= sqrt(2.0)*M_PI*radius ? 1 : 0;
167 nb++;
168 trace.info() << "(" << nbok << "/" << nb << ") "
169 << "expander2.distance() = " << expander2.distance()
170 << " <= " << sqrt(2.0)*M_PI*radius << std::endl;
171 trace.endBlock();
172
173
174 return nbok == nb;
175}
DGtal::DigitalSetByAssociativeContainer
Aim: A wrapper class around a STL associative container for storing sets of digital points within som...
Definition DigitalSetByAssociativeContainer.h:90
DGtal::DigitalTopology
Aim: Represents a digital topology as a couple of adjacency relations.
Definition DigitalTopology.h:96
DGtal::DomainAdjacency
Aim: Given a domain and an adjacency, limits the given adjacency to the specified domain for all adja...
Definition DomainAdjacency.h:74
DGtal::Expander
Aim: This class is useful to visit an object by adjacencies, layer by layer.
Definition Expander.h:98
DGtal::HyperRectDomain_Iterator
Iterator for HyperRectDomain.
Definition HyperRectDomain_Iterator.h:154
DGtal::HyperRectDomain
Aim: Parallelepidec region of a digital space, model of a 'CDomain'.
Definition HyperRectDomain.h:100
DGtal::HyperRectDomain::begin
const ConstIterator & begin() const
Definition HyperRectDomain.h:176
DGtal::HyperRectDomain::end
const ConstIterator & end() const
Definition HyperRectDomain.h:201
DGtal::MetricAdjacency
Aim: Describes digital adjacencies in digital spaces that are defined with the 1-norm and the infinit...
Definition MetricAdjacency.h:80
DGtal::Object
Aim: An object (or digital object) represents a set in some digital space associated with a digital t...
Definition Object.h:120
DGtal::Z3i::Adj18
MetricAdjacency< Space, 2 > Adj18
Definition StdDefs.h:161
DGtal::Z3i::Z3
Space Z3
Definition StdDefs.h:145
DGtal::Z3i::Adj6
MetricAdjacency< Space, 1 > Adj6
Definition StdDefs.h:159
DGtal::Z3i::DT6_18
DigitalTopology< Adj6, Adj18 > DT6_18
Definition StdDefs.h:164
Point
MyPointD Point
Definition testClone2.cpp:383
INBLOCK_TEST
#define INBLOCK_TEST(x)
Definition testExpander.cpp:50
domain
Domain domain
Definition testProjection.cpp:88
Domain
HyperRectDomain< Space > Domain
Definition testSimpleRandomAccessRangeFromPoint.cpp:44
DigitalSet
Z2i::DigitalSet DigitalSet
Definition testVoronoiMapComplete.cpp:40

References DGtal::HyperRectDomain< TSpace >::begin(), DGtal::Trace::beginBlock(), domain, DGtal::HyperRectDomain< TSpace >::end(), DGtal::Trace::endBlock(), INBLOCK_TEST, DGtal::Trace::info(), DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::insertNew(), DGtal::JORDAN_DT, and DGtal::trace.

Referenced by main().