DGtal 1.4.0
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testPolarPointComparatorBy2x2DetComputer.cpp
Go to the documentation of this file.
1
31#include <iostream>
32#include "DGtal/base/Common.h"
33
34#include "DGtal/kernel/PointVector.h"
35#include "DGtal/geometry/tools/PolarPointComparatorBy2x2DetComputer.h"
37
38using namespace std;
39using namespace DGtal;
40
42// Functions for testing class PolarPointComparatorBy2x2DetComputer.
44
47bool testPolarPointComparatorBy2x2DetComputer()
48{
49 unsigned int nbok = 0;
50 unsigned int nb = 0;
51
52 trace.beginBlock ( "Testing block ..." );
53
54 typedef PointVector<2,DGtal::int32_t> Point;
55
56 Point origin(0,0);
57 functors::PolarPointComparatorBy2x2DetComputer<Point> comp( origin );
58 trace.info() << comp << endl;
59
60 //same half-plane
61 trace.info() << "same half-plane" << endl;
62 if ( comp( Point(2,1), Point(1,2) ) )
63 nbok++;
64 nb++;
65 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
66
67 if ( ! comp( Point(1,2), Point(2,1) ) )
68 nbok++;
69 nb++;
70 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
71
72 if ( comp( Point(2,1), Point(-1,2) ) )
73 nbok++;
74 nb++;
75 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
76
77 if ( comp( Point(1,-2), Point(2,-1) ) )
78 nbok++;
79 nb++;
80 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
81
82 //different half-plane
83 trace.info() << "different half-plane" << endl;
84 if ( comp( Point(1,2), Point(2,-1) ) )
85 nbok++;
86 nb++;
87 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
88
89 if ( ! comp( Point(2,-1), Point(1,2) ) )
90 nbok++;
91 nb++;
92 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
93
94 //y-coordinate equal to 0
95 trace.info() << "y-coordinate == 0" << endl;
96 if ( comp( Point(1,0), Point(3,3) ) )
97 nbok++;
98 nb++;
99 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
100
101 if ( ! comp( Point(3,3), Point(1,0) ) )
102 nbok++;
103 nb++;
104 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
105
106 if ( comp( Point(3,3), Point(-1,0) ) )
107 nbok++;
108 nb++;
109 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
110
111 if ( comp( Point(1,0), Point(3,-3) ) )
112 nbok++;
113 nb++;
114 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
115
116 //aligned
117 trace.info() << "aligned points" << endl;
118 if ( ! comp( Point(3,3), Point(1,1) ) )
119 nbok++;
120 nb++;
121 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
122
123 if ( comp( Point(1,1), Point(3,3) ) )
124 nbok++;
125 nb++;
126 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
127
128 if ( ! comp( Point(-3,-3), Point(1,1) ) )
129 nbok++;
130 nb++;
131 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
132
133 //y-coordinate equal to 0 AND aligned
134 trace.info() << "aligned points on the horizontal axis" << endl;
135 if ( comp( Point(1,0), Point(5,0) ) )
136 nbok++;
137 nb++;
138 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
139
140 if ( ! comp( Point(5,0), Point(1,0) ) )
141 nbok++;
142 nb++;
143 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
144
145 if ( comp( Point(1,0), Point(-5,0) ) )
146 nbok++;
147 nb++;
148 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
149
150 if ( comp( Point(5,0), Point(-5,0) ) )
151 nbok++;
152 nb++;
153 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
154
155 if ( ! comp( Point(-5,0), Point(5,0) ) )
156 nbok++;
157 nb++;
158 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
159
160 if ( comp( Point(-1,0), Point(-5,0) ) )
161 nbok++;
162 nb++;
163 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
164
165 //degenerated
166 trace.info() << "point equality" << endl;
167 if ( comp( Point(0,0), Point(3,3) ) )
168 nbok++;
169 nb++;
170 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
171
172 if ( comp( Point(0,0), Point(-3,-3) ) )
173 nbok++;
174 nb++;
175 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
176
177 if ( ! comp( Point(2,1), Point(2,1) ) )
178 nbok++;
179 nb++;
180 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
181
182 trace.endBlock();
183
184 return nbok == nb;
185}
186
190bool testSort()
191{
192 unsigned int nbok = 0;
193 unsigned int nb = 0;
194
195 trace.beginBlock ( "Testing block ..." );
196
197 typedef PointVector<2,DGtal::int32_t> Point;
198 Point origin(0,0);
199
200 std::vector<Point> g, v;
201 //data
202 v.push_back( Point(3,4) );
203 v.push_back( Point(5,0) );
204 v.push_back( Point(4,3) );
205 v.push_back( Point(0,5) );
206 v.push_back( Point(-3,-4) );
207 v.push_back( Point(-5,0) );
208 v.push_back( Point(-4,-3) );
209 v.push_back( Point(0,-5) );
210 v.push_back( Point(3,-4) );
211 v.push_back( Point(4,-3) );
212 v.push_back( Point(-3,4) );
213 v.push_back( Point(-4,3) );
214 //ground truth
215 g.push_back( Point(5,0) );
216 g.push_back( Point(4,3) );
217 g.push_back( Point(3,4) );
218 g.push_back( Point(0,5) );
219 g.push_back( Point(-3,4) );
220 g.push_back( Point(-4,3) );
221 g.push_back( Point(-5,0) );
222 g.push_back( Point(-4,-3) );
223 g.push_back( Point(-3,-4) );
224 g.push_back( Point(0,-5) );
225 g.push_back( Point(3,-4) );
226 g.push_back( Point(4,-3) );
227
228 //sort
229 functors::PolarPointComparatorBy2x2DetComputer<Point> comp( origin );
230 std::sort(v.begin(), v.end(), comp);
231 std::copy(v.begin(), v.end(), ostream_iterator<Point>( std::cout, " " ) );
232 std::cout << std::endl;
233
234 if ( std::equal(v.begin(), v.end(), g.begin()) )
235 nbok++;
236 nb++;
237 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
238
239 //with a different pole
240 comp.setPole( Point(5,0) );
241 std::sort(v.begin(), v.end(), comp);
242 std::copy(v.begin(), v.end(), ostream_iterator<Point>( std::cout, " " ) );
243 std::cout << std::endl;
244
245 if ( std::equal(v.begin(), v.end(), g.begin()) )
246 nbok++;
247 nb++;
248 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
249
250 trace.endBlock();
251
252 return nbok == nb;
253}
254
256// Standard services - public :
257
258int main( int argc, char** argv )
259{
260 trace.beginBlock ( "Testing class PolarPointComparatorBy2x2DetComputer" );
261 trace.info() << "Args:";
262 for ( int i = 0; i < argc; ++i )
263 trace.info() << " " << argv[ i ];
264 trace.info() << endl;
265
266 bool res = testPolarPointComparatorBy2x2DetComputer()
267 && testSort();
268
269 trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
270 trace.endBlock();
271 return res ? 0 : 1;
272}
273// //
DGtal::PointVector
Aim: Implements basic operations that will be used in Point and Vector classes.
Definition PointVector.h:593
DGtal::Trace::beginBlock
void beginBlock(const std::string &keyword="")
DGtal::Trace::emphase
std::ostream & emphase()
DGtal::Trace::info
std::ostream & info()
DGtal::Trace::endBlock
double endBlock()
DGtal::functors::PolarPointComparatorBy2x2DetComputer
Aim: Class that implements a binary point predicate, which is able to compare the position of two giv...
Definition PolarPointComparatorBy2x2DetComputer.h:80
DGtal
DGtal is the top-level namespace which contains all DGtal functions and types.
Definition ClosedIntegerHalfPlane.h:49
DGtal::trace
Trace trace
Definition Common.h:153
std
STL namespace.
main
int main()
Definition testBits.cpp:56
Point
MyPointD Point
Definition testClone2.cpp:383
testPolarPointComparatorBy2x2DetComputer
bool testPolarPointComparatorBy2x2DetComputer()
Definition testPolarPointComparatorBy2x2DetComputer.cpp:47