Directory: | ./ |
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File: | tests/test-spline-gradient-based.cc |
Date: | 2024-08-10 11:29:48 |
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Lines: | 50 | 50 | 100.0% |
Branches: | 160 | 314 | 51.0% |
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1 | #define BOOST_TEST_MODULE spline_gradient_based | ||
2 | #include <boost/mpl/list.hpp> | ||
3 | #include <boost/test/included/unit_test.hpp> | ||
4 | #include <hpp/core/path-optimization/spline-gradient-based.hh> | ||
5 | #include <hpp/core/problem.hh> | ||
6 | #include <hpp/core/straight-path.hh> | ||
7 | #include <hpp/pinocchio/urdf/util.hh> | ||
8 | #include <hpp/util/debug.hh> | ||
9 | |||
10 | using namespace hpp::pinocchio; | ||
11 | using namespace hpp::core; | ||
12 | |||
13 | 9 | DevicePtr_t createNDoFRobot(int ndof) { | |
14 |
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9 | std::ostringstream oss; |
15 | oss << "<robot name='test'>" | ||
16 |
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9 | << "<link name='link0'/>"; |
17 |
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18 | for (int i = 0; i < ndof; ++i) { |
18 |
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9 | oss << "<joint name='joint" << i << "' type='prismatic'>" |
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9 | << "<parent link='link" << i << "'/>" |
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9 | << "<child link='link" << i + 1 << "'/>" |
21 | << "<limit effort='30' velocity='1.0' lower='-4' upper='4'/>" | ||
22 | << "</joint>" | ||
23 |
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9 | << "<link name='link" << i + 1 << "'/>"; |
24 | } | ||
25 |
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9 | oss << "</robot>"; |
26 |
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9 | std::string urdf(oss.str()); |
27 | |||
28 |
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18 | DevicePtr_t robot = Device::create("test"); |
29 |
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9 | urdf::loadModelFromString(robot, 0, "", "anchor", urdf, ""); |
30 | 18 | return robot; | |
31 | 9 | } | |
32 | |||
33 | typedef pathOptimization::SplineGradientBased<path::BernsteinBasis, 3> | ||
34 | SplineGradientBased_bezier3; | ||
35 | typedef pathOptimization::SplineGradientBased<path::BernsteinBasis, 5> | ||
36 | SplineGradientBased_bezier5; | ||
37 | typedef pathOptimization::SplineGradientBased<path::BernsteinBasis, 7> | ||
38 | SplineGradientBased_bezier7; | ||
39 | |||
40 | template <typename OptimizerType> | ||
41 | 18 | void test_spline_gradient_based(size_type costOrder) { | |
42 |
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18 | DevicePtr_t dev = createNDoFRobot(1); |
43 |
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18 | ProblemPtr_t problem = Problem::create(dev); |
44 |
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18 | problem->setParameter("SplineGradientBased/returnOptimum", Parameter(true)); |
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18 | problem->setParameter("SplineGradientBased/costOrder", Parameter(costOrder)); |
46 | |||
47 |
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18 | typename OptimizerType::Ptr_t opt = OptimizerType::create(problem); |
48 | |||
49 |
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18 | PathVectorPtr_t pv = PathVector::create(dev->configSize(), dev->numberDof()); |
50 | |||
51 |
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18 | Configuration_t q0(dev->configSize()), q1(dev->configSize()); |
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18 | q0 << 0.0; |
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18 | vector_t subpathTimes(vector_t::LinSpaced(4, 0.0, 3.0)); |
54 |
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72 | for (int i = 1; i < subpathTimes.size(); ++i) { |
55 |
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54 | q1 << subpathTimes[i]; |
56 |
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54 | pv->appendPath(StraightPath::create(dev, q0, q1, (q1 - q0)[0])); |
57 |
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54 | q0 = q1; |
58 | } | ||
59 | |||
60 |
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18 | PathVectorPtr_t optPath = opt->optimize(pv); |
61 | |||
62 |
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18 | vector_t ts(vector_t::LinSpaced(subpathTimes.size() * 10, 0.0, 3.0)); |
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18 | Configuration_t qi(dev->configSize()); |
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18 | vector_t vi(dev->numberDof()), ai(dev->numberDof()); |
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18 | std::cout << "d_order" << OptimizerType::SplineOrder << "_cost" << costOrder |
66 |
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18 | << "=["; |
67 |
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738 | for (int i = 0; i < ts.size(); ++i) { |
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720 | optPath->eval(qi, ts[i]); |
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720 | optPath->derivative(vi, ts[i], 1); |
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720 | optPath->derivative(ai, ts[i], 2); |
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720 | std::cout << '[' << ts[i] << ',' << qi << ',' << vi << ',' << ai << "],"; |
72 | } | ||
73 |
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18 | std::cout << "]\n"; |
74 | 18 | } | |
75 | |||
76 | typedef boost::mpl::list<SplineGradientBased_bezier3, | ||
77 | SplineGradientBased_bezier5, | ||
78 | SplineGradientBased_bezier7> | ||
79 | SplineGradientBaseds_t; | ||
80 | |||
81 |
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12 | BOOST_AUTO_TEST_CASE_TEMPLATE(spline_gradient_based, SplineGradientBasedType, |
82 | SplineGradientBaseds_t) { | ||
83 | 6 | hpp::debug::setVerbosityLevel(50); | |
84 | 6 | test_spline_gradient_based<SplineGradientBasedType>(1); | |
85 | 6 | test_spline_gradient_based<SplineGradientBasedType>(2); | |
86 | 6 | test_spline_gradient_based<SplineGradientBasedType>(3); | |
87 | 6 | } | |
88 | |||
89 |
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4 | BOOST_AUTO_TEST_CASE(fake_spline_gradient_based_get_python_plot_function) { |
90 | 2 | std::cout << R"( | |
91 | import numpy as np | ||
92 | import matplotlib.pyplot as plt | ||
93 | |||
94 | def plot_q(dd): | ||
95 | d = np.array(dd) | ||
96 | plt.title("position") | ||
97 | plt.plot(d[:,0], d[:,1]) | ||
98 | plt.plot([d[0,0], d[-1,0]], [d[0,1], d[-1,1]]) | ||
99 | |||
100 | plt.show() | ||
101 | |||
102 | def plot_qva(dd): | ||
103 | d = np.array(dd) | ||
104 | plt.subplot(3,1,1) | ||
105 | plt.title("position") | ||
106 | plt.plot(d[:,0], d[:,1]) | ||
107 | |||
108 | plt.subplot(3,1,2) | ||
109 | plt.title("velocity") | ||
110 | plt.plot(d[:,0], d[:,2]) | ||
111 | |||
112 | plt.subplot(3,1,3) | ||
113 | plt.title("acceleration") | ||
114 | plt.plot(d[:,0], d[:,3]) | ||
115 | |||
116 | plt.show() | ||
117 | )"; | ||
118 | 2 | } | |
119 |