Directory: | ./ |
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File: | src/device-data.cc |
Date: | 2025-05-04 12:09:19 |
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1 | // Copyright (c) 2018, Joseph Mirabel | ||
2 | // Authors: Joseph Mirabel (joseph.mirabel@laas.fr) | ||
3 | // | ||
4 | |||
5 | // Redistribution and use in source and binary forms, with or without | ||
6 | // modification, are permitted provided that the following conditions are | ||
7 | // met: | ||
8 | // | ||
9 | // 1. Redistributions of source code must retain the above copyright | ||
10 | // notice, this list of conditions and the following disclaimer. | ||
11 | // | ||
12 | // 2. Redistributions in binary form must reproduce the above copyright | ||
13 | // notice, this list of conditions and the following disclaimer in the | ||
14 | // documentation and/or other materials provided with the distribution. | ||
15 | // | ||
16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
20 | // HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | ||
27 | // DAMAGE. | ||
28 | |||
29 | #include <hpp/pinocchio/device-data.hh> | ||
30 | #include <hpp/pinocchio/joint-collection.hh> | ||
31 | #include <pinocchio/algorithm/center-of-mass.hpp> | ||
32 | #include <pinocchio/algorithm/frames.hpp> | ||
33 | #include <pinocchio/algorithm/geometry.hpp> | ||
34 | #include <pinocchio/algorithm/kinematics.hpp> | ||
35 | #include <pinocchio/multibody/data.hpp> | ||
36 | #include <pinocchio/multibody/geometry.hpp> | ||
37 | #include <pinocchio/multibody/model.hpp> | ||
38 | |||
39 | namespace hpp { | ||
40 | namespace pinocchio { | ||
41 | |||
42 |
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31 | DeviceData::DeviceData() { invalidate(); } |
43 | |||
44 | 100 | DeviceData::DeviceData(const DeviceData& other) | |
45 |
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100 | : data_(new Data(*other.data_)), |
46 |
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100 | geomData_(new GeomData(*other.geomData_)), |
47 |
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100 | currentConfiguration_(other.currentConfiguration_), |
48 |
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100 | currentVelocity_(other.currentVelocity_), |
49 |
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100 | currentAcceleration_(other.currentAcceleration_), |
50 | 100 | dataUpToDate_(other.dataUpToDate_), | |
51 | 100 | frameUpToDate_(other.frameUpToDate_), | |
52 | 100 | geomUpToDate_(other.geomUpToDate_), | |
53 | 100 | devicePtr_(), | |
54 |
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100 | modelConf_(other.modelConf_.size()), |
55 |
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100 | jointJacobians_(other.jointJacobians_.size()) {} |
56 | |||
57 | 2004 | void checkComputationFlag(int flag) { | |
58 | // Turn off unused parameter compilation warning. | ||
59 | (void)flag; | ||
60 | // a IMPLIES b === (b || ~a) | ||
61 | // velocity IMPLIES position | ||
62 |
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2004 | assert((flag & JOINT_POSITION) || (!(flag & VELOCITY))); |
63 | // acceleration IMPLIES velocity | ||
64 |
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2004 | assert((flag & VELOCITY) || (!(flag & ACCELERATION))); |
65 | // com IMPLIES position | ||
66 |
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2004 | assert((flag & JOINT_POSITION) || (!(flag & COM))); |
67 | // jacobian IMPLIES position | ||
68 |
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2004 | assert((flag & JOINT_POSITION) || (!(flag & JACOBIAN))); |
69 | 2004 | } | |
70 | |||
71 | constexpr int FK_ACC = JOINT_POSITION | VELOCITY | ACCELERATION; | ||
72 | constexpr int FK_VEL = JOINT_POSITION | VELOCITY; | ||
73 | constexpr int FK_POS = JOINT_POSITION; | ||
74 | // JCOM is different from JACOBIAN | COM | ||
75 | // as one could do | ||
76 | // computeForwardKinematics(JACOBIAN); | ||
77 | // computeForwardKinematics(COM); | ||
78 | // computeForwardKinematics(COM | JACOBIAN); | ||
79 | // In the last call, if JCOM = COM | JACOBIAN, the COM Jacobian would not be | ||
80 | // computed. | ||
81 | constexpr int JCOM = COM << 1 | COM; | ||
82 | |||
83 | 2009 | void DeviceData::computeForwardKinematics(const ModelPtr_t& mptr, int flag) { | |
84 | 2009 | checkComputationFlag(flag); | |
85 | |||
86 | 2006 | const Model& model = *mptr; | |
87 | 2012 | const size_type nq = model.nq; | |
88 | 2012 | const size_type nv = model.nv; | |
89 | |||
90 | // TODO pinocchio does not allow to pass currentConfiguration_.head(nq) as | ||
91 | // a reference. This line avoids dynamic memory allocation | ||
92 |
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2012 | modelConf_ = currentConfiguration_.head(nq); |
93 | |||
94 |
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2001 | switch (flag & FK_ACC) { |
95 | ✗ | case FK_ACC: | |
96 | ✗ | if (!(dataUpToDate_ & ACCELERATION)) { | |
97 | ✗ | ::pinocchio::forwardKinematics(model, *data_, modelConf_, | |
98 | ✗ | currentVelocity_.head(nv), | |
99 | ✗ | currentAcceleration_.head(nv)); | |
100 | ✗ | dataUpToDate_ = dataUpToDate_ | FK_ACC; | |
101 | } | ||
102 | ✗ | break; | |
103 | ✗ | case FK_VEL: | |
104 | ✗ | if (!(dataUpToDate_ & VELOCITY)) { | |
105 | ✗ | ::pinocchio::forwardKinematics(model, *data_, modelConf_, | |
106 | ✗ | currentVelocity_.head(nv)); | |
107 | ✗ | dataUpToDate_ = dataUpToDate_ | FK_VEL; | |
108 | } | ||
109 | ✗ | break; | |
110 | 2001 | case FK_POS: | |
111 |
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2001 | if (!(dataUpToDate_ & JOINT_POSITION)) { |
112 | 2000 | ::pinocchio::forwardKinematics(model, *data_, modelConf_); | |
113 | 2001 | dataUpToDate_ = dataUpToDate_ | FK_POS; | |
114 | } | ||
115 | 2002 | break; | |
116 | ✗ | default: | |
117 | ✗ | throw std::logic_error("Wrong computation flag."); | |
118 | } | ||
119 | |||
120 |
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2002 | if (flag & COM) { |
121 |
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2004 | if (flag & JACOBIAN) { |
122 |
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10 | if (!(dataUpToDate_ & JCOM)) { |
123 | ✗ | ::pinocchio::jacobianCenterOfMass(model, *data_, modelConf_, true); | |
124 | ✗ | dataUpToDate_ = dataUpToDate_ | JCOM | COM; | |
125 | } | ||
126 | } else { | ||
127 |
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1994 | if (!(dataUpToDate_ & COM)) { |
128 | ✗ | ::pinocchio::centerOfMass(model, *data_, ::pinocchio::POSITION, true); | |
129 | ✗ | dataUpToDate_ = dataUpToDate_ | COM; | |
130 | } | ||
131 | } | ||
132 | } | ||
133 | |||
134 |
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2002 | if (flag & JACOBIAN) { |
135 |
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10 | if (!(dataUpToDate_ & JACOBIAN)) { |
136 | 10 | ::pinocchio::computeJointJacobians(model, *data_, modelConf_); | |
137 | 10 | dataUpToDate_ = dataUpToDate_ | JACOBIAN; | |
138 | } | ||
139 | } | ||
140 | 2002 | } | |
141 | |||
142 | ✗ | void DeviceData::computeFramesForwardKinematics(const ModelPtr_t& mptr) { | |
143 | ✗ | if (frameUpToDate_) return; | |
144 | ✗ | computeForwardKinematics(mptr, JOINT_POSITION); | |
145 | |||
146 | ✗ | ::pinocchio::updateFramePlacements(*mptr, *data_); | |
147 | |||
148 | ✗ | frameUpToDate_ = true; | |
149 | } | ||
150 | |||
151 | ✗ | void DeviceData::updateGeometryPlacements(const ModelPtr_t& m, | |
152 | const GeomModelPtr_t& gm) { | ||
153 | ✗ | if (!geomUpToDate_) { | |
154 | ✗ | ::pinocchio::updateGeometryPlacements(*m, *data_, *gm, *geomData_); | |
155 | ✗ | geomUpToDate_ = true; | |
156 | } | ||
157 | } | ||
158 | } // namespace pinocchio | ||
159 | } // namespace hpp | ||
160 |