Directory: | ./ |
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File: | src/feature/feature-visual-point.cpp |
Date: | 2024-12-13 12:22:33 |
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1 | /* | ||
2 | * Copyright 2010, | ||
3 | * François Bleibel, | ||
4 | * Olivier Stasse, | ||
5 | * | ||
6 | * CNRS/AIST | ||
7 | * | ||
8 | */ | ||
9 | |||
10 | /* --------------------------------------------------------------------- */ | ||
11 | /* --- INCLUDE --------------------------------------------------------- */ | ||
12 | /* --------------------------------------------------------------------- */ | ||
13 | |||
14 | /* --- SOT --- */ | ||
15 | #include <sot/core/debug.hh> | ||
16 | #include <sot/core/exception-feature.hh> | ||
17 | #include <sot/core/factory.hh> | ||
18 | #include <sot/core/feature-visual-point.hh> | ||
19 | using namespace std; | ||
20 | using namespace dynamicgraph::sot; | ||
21 | using namespace dynamicgraph; | ||
22 | |||
23 | ✗ | DYNAMICGRAPH_FACTORY_ENTITY_PLUGIN(FeatureVisualPoint, "FeatureVisualPoint"); | |
24 | |||
25 | /* --------------------------------------------------------------------- */ | ||
26 | /* --- CLASS ----------------------------------------------------------- */ | ||
27 | /* --------------------------------------------------------------------- */ | ||
28 | |||
29 | 4 | FeatureVisualPoint::FeatureVisualPoint(const string &pointName) | |
30 | : FeatureAbstract(pointName), | ||
31 | 4 | L(), | |
32 |
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4 | xySIN(NULL, "sotFeatureVisualPoint(" + name + ")::input(vector)::xy"), |
33 |
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4 | ZSIN(NULL, "sotFeatureVisualPoint(" + name + ")::input(double)::Z"), |
34 |
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4 | articularJacobianSIN( |
35 |
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12 | NULL, "sotFeatureVisualPoint(" + name + ")::input(matrix)::Jq") { |
36 |
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4 | ZSIN = 1.; |
37 | |||
38 |
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4 | jacobianSOUT.addDependency(xySIN); |
39 |
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4 | jacobianSOUT.addDependency(ZSIN); |
40 |
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4 | jacobianSOUT.addDependency(articularJacobianSIN); |
41 | |||
42 |
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4 | errorSOUT.addDependency(xySIN); |
43 |
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4 | errorSOUT.addDependency(ZSIN); |
44 | |||
45 |
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4 | signalRegistration(xySIN << ZSIN << articularJacobianSIN); |
46 | 4 | } | |
47 | |||
48 | 2 | void FeatureVisualPoint::addDependenciesFromReference(void) { | |
49 |
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2 | assert(isReferenceSet()); |
50 | 2 | errorSOUT.addDependency(getReference()->xySIN); | |
51 | 2 | } | |
52 | |||
53 | ✗ | void FeatureVisualPoint::removeDependenciesFromReference(void) { | |
54 | ✗ | assert(isReferenceSet()); | |
55 | ✗ | errorSOUT.removeDependency(getReference()->xySIN); | |
56 | } | ||
57 | |||
58 | /* --------------------------------------------------------------------- */ | ||
59 | /* --------------------------------------------------------------------- */ | ||
60 | /* --------------------------------------------------------------------- */ | ||
61 | |||
62 | ✗ | unsigned int &FeatureVisualPoint::getDimension(unsigned int &dim, int time) { | |
63 | sotDEBUG(25) << "# In {" << endl; | ||
64 | |||
65 | ✗ | const Flags &fl = selectionSIN.access(time); | |
66 | |||
67 | ✗ | dim = 0; | |
68 | ✗ | if (fl(0)) dim++; | |
69 | ✗ | if (fl(1)) dim++; | |
70 | |||
71 | sotDEBUG(25) << "# Out }" << endl; | ||
72 | ✗ | return dim; | |
73 | } | ||
74 | |||
75 | /** Compute the interaction matrix from a subset of | ||
76 | * the possible features. | ||
77 | */ | ||
78 | ✗ | Matrix &FeatureVisualPoint::computeJacobian(Matrix &J, int time) { | |
79 | sotDEBUG(15) << "# In {" << endl; | ||
80 | |||
81 | sotDEBUG(15) << "Get selection flags." << endl; | ||
82 | ✗ | const Flags &fl = selectionSIN(time); | |
83 | |||
84 | ✗ | const int dim = dimensionSOUT(time); | |
85 | ✗ | L.resize(dim, 6); | |
86 | ✗ | unsigned int cursorL = 0; | |
87 | |||
88 | sotDEBUG(5) << std::endl; | ||
89 | |||
90 | ✗ | const double &Z = ZSIN(time); | |
91 | sotDEBUG(5) << xySIN(time) << std::endl; | ||
92 | ✗ | const double &x = xySIN(time)(0); | |
93 | ✗ | const double &y = xySIN(time)(1); | |
94 | |||
95 | ✗ | if (Z < 0) { | |
96 | ✗ | throw(ExceptionFeature(ExceptionFeature::BAD_INIT, | |
97 | "VisualPoint is behind the camera", " (Z=%.1f).", | ||
98 | ✗ | Z)); | |
99 | } | ||
100 | |||
101 | ✗ | if (fabs(Z) < 1e-6) { | |
102 | ✗ | throw(ExceptionFeature(ExceptionFeature::BAD_INIT, | |
103 | "VisualPoint Z coordinates is null", " (Z=%.3f)", | ||
104 | ✗ | Z)); | |
105 | } | ||
106 | |||
107 | ✗ | if (fl(0)) { | |
108 | ✗ | L(cursorL, 0) = -1 / Z; | |
109 | ✗ | L(cursorL, 1) = 0; | |
110 | ✗ | L(cursorL, 2) = x / Z; | |
111 | ✗ | L(cursorL, 3) = x * y; | |
112 | ✗ | L(cursorL, 4) = -(1 + x * x); | |
113 | ✗ | L(cursorL, 5) = y; | |
114 | |||
115 | ✗ | cursorL++; | |
116 | } | ||
117 | |||
118 | ✗ | if (fl(1)) { | |
119 | ✗ | L(cursorL, 0) = 0; | |
120 | ✗ | L(cursorL, 1) = -1 / Z; | |
121 | ✗ | L(cursorL, 2) = y / Z; | |
122 | ✗ | L(cursorL, 3) = 1 + y * y; | |
123 | ✗ | L(cursorL, 4) = -x * y; | |
124 | ✗ | L(cursorL, 5) = -x; | |
125 | |||
126 | ✗ | cursorL++; | |
127 | } | ||
128 | sotDEBUG(15) << "L:" << endl << L << endl; | ||
129 | sotDEBUG(15) << "Jq:" << endl << articularJacobianSIN(time) << endl; | ||
130 | |||
131 | ✗ | J = L * articularJacobianSIN(time); | |
132 | |||
133 | sotDEBUG(15) << "# Out }" << endl; | ||
134 | ✗ | return J; | |
135 | } | ||
136 | |||
137 | /** Compute the error between two visual features from a subset | ||
138 | * a the possible features. | ||
139 | */ | ||
140 | ✗ | Vector &FeatureVisualPoint::computeError(Vector &error, int time) { | |
141 | ✗ | const Flags &fl = selectionSIN(time); | |
142 | sotDEBUGIN(15); | ||
143 | ✗ | error.resize(dimensionSOUT(time)); | |
144 | ✗ | unsigned int cursorL = 0; | |
145 | |||
146 | ✗ | if (!isReferenceSet()) { | |
147 | ✗ | throw(ExceptionFeature(ExceptionFeature::BAD_INIT, | |
148 | ✗ | "S* is not of adequate type.")); | |
149 | } | ||
150 | |||
151 | ✗ | if (fl(0)) { | |
152 | ✗ | error(cursorL++) = xySIN(time)(0) - getReference()->xySIN(time)(0); | |
153 | } | ||
154 | ✗ | if (fl(1)) { | |
155 | ✗ | error(cursorL++) = xySIN(time)(1) - getReference()->xySIN(time)(1); | |
156 | } | ||
157 | |||
158 | sotDEBUGOUT(15); | ||
159 | ✗ | return error; | |
160 | } | ||
161 | |||
162 | ✗ | void FeatureVisualPoint::display(std::ostream &os) const { | |
163 | ✗ | os << "VisualPoint <" << name << ">:"; | |
164 | |||
165 | try { | ||
166 | ✗ | const Vector &xy = xySIN.accessCopy(); | |
167 | ✗ | const Flags &fl = selectionSIN.accessCopy(); | |
168 | ✗ | if (fl(0)) os << " x=" << xy(0); | |
169 | ✗ | if (fl(1)) os << " y=" << xy(1); | |
170 | ✗ | } catch (ExceptionAbstract e) { | |
171 | ✗ | os << " XY or select not set."; | |
172 | } | ||
173 | |||
174 | try { | ||
175 | ✗ | const double &z = ZSIN.accessCopy(); | |
176 | ✗ | os << " Z=" << z << " "; | |
177 | ✗ | } catch (ExceptionAbstract e) { | |
178 | ✗ | os << " Z not set."; | |
179 | } | ||
180 | } | ||
181 | |||
182 | /* | ||
183 | * Local variables: | ||
184 | * c-basic-offset: 2 | ||
185 | * End: | ||
186 | */ | ||
187 |