DART  6.6.2
IkFast.hpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2011-2018, The DART development contributors
3  * All rights reserved.
4  *
5  * The list of contributors can be found at:
6  * https://github.com/dartsim/dart/blob/master/LICENSE
7  *
8  * This file is provided under the following "BSD-style" License:
9  * Redistribution and use in source and binary forms, with or
10  * without modification, are permitted provided that the following
11  * conditions are met:
12  * * Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  * * Redistributions in binary form must reproduce the above
15  * copyright notice, this list of conditions and the following
16  * disclaimer in the documentation and/or other materials provided
17  * with the distribution.
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
19  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
20  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
26  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef DART_DYNAMICS_IKFAST_HPP_
34 #define DART_DYNAMICS_IKFAST_HPP_
35 
36 #include <array>
37 
38 #define IKFAST_HAS_LIBRARY
39 #include "dart/external/ikfast/ikfast.h"
40 
42 
43 namespace dart {
44 namespace dynamics {
45 
51 {
52 public:
65  IkFast(
67  const std::vector<std::size_t>& dofMap,
68  const std::vector<std::size_t>& freeDofMap,
69  const std::string& methodName = "IKFast",
70  const Analytical::Properties& properties = Analytical::Properties());
71 
72  // Documentation inherited.
73  auto computeSolutions(const Eigen::Isometry3d& desiredBodyTf)
74  -> const std::vector<InverseKinematics::Analytical::Solution>& override;
75 
76  // Documentation inherited.
77  auto getDofs() const -> const std::vector<std::size_t>& override;
78 
80  virtual bool isConfigured() const;
81 
82 protected:
83  virtual int getNumFreeParameters() const = 0;
84  virtual int* getFreeParameters() const = 0;
85  virtual int getNumJoints() const = 0;
86  virtual int getIkRealSize() const = 0;
87  virtual int getIkType() const = 0;
88 
90  virtual bool computeIk(
91  const IkReal* mTargetTranspose,
92  const IkReal* mTargetRotation,
93  const IkReal* pfree,
94  ikfast::IkSolutionListBase<IkReal>& solutions) = 0;
95 
96  virtual const char* getKinematicsHash() = 0;
97 
98  virtual const char* getIkFastVersion() = 0;
99 
102  virtual void configure() const;
103 
104 protected:
105  mutable std::vector<double> mFreeParams;
106 
108  mutable bool mConfigured;
109 
112  mutable std::vector<std::size_t> mDofs;
113 
116  mutable std::vector<std::size_t> mFreeDofs;
117 
118 private:
120  std::array<IkReal, 9> mTargetRotation;
121 
123  std::array<IkReal, 3> mTargetTranspose;
124 };
125 
126 } // namespace dynamics
127 } // namespace dart
128 
129 #endif // DART_DYNAMICS_IKFAST_HPP_
BodyPropPtr properties
Definition: SdfParser.cpp:80
A base class for IkFast-based analytical inverse kinematics classes.
Definition: IkFast.hpp:51
virtual bool isConfigured() const
Returns true if this IkFast is ready to solve.
Definition: IkFast.cpp:236
auto computeSolutions(const Eigen::Isometry3d &desiredBodyTf) -> const std::vector< InverseKinematics::Analytical::Solution > &override
Use this function to fill the entries of the mSolutions variable.
Definition: IkFast.cpp:277
std::array< IkReal, 9 > mTargetRotation
Cache data for the target rotation used by IKFast.
Definition: IkFast.hpp:120
virtual bool computeIk(const IkReal *mTargetTranspose, const IkReal *mTargetRotation, const IkReal *pfree, ikfast::IkSolutionListBase< IkReal > &solutions)=0
Computes the inverse kinematics solutions using the generated IKFast code.
virtual int getIkType() const =0
virtual int getIkRealSize() const =0
auto getDofs() const -> const std::vector< std::size_t > &override
Get a list of the DOFs that will be included in the entries of the solutions returned by getSolutions...
Definition: IkFast.cpp:217
bool mConfigured
True if this IkFast is ready to solve.
Definition: IkFast.hpp:108
IkFast(InverseKinematics *ik, const std::vector< std::size_t > &dofMap, const std::vector< std::size_t > &freeDofMap, const std::string &methodName="IKFast", const Analytical::Properties &properties=Analytical::Properties())
Constructor.
Definition: IkFast.cpp:202
virtual const char * getIkFastVersion()=0
std::vector< double > mFreeParams
Definition: IkFast.hpp:105
std::vector< std::size_t > mDofs
Indices of the DegreeOfFreedoms associated to the variable parameters of this IkFast.
Definition: IkFast.hpp:112
std::vector< std::size_t > mFreeDofs
Indices of the DegreeOfFreedoms associated to the free parameters of this IkFast.
Definition: IkFast.hpp:116
virtual int getNumFreeParameters() const =0
virtual void configure() const
Configure IkFast.
Definition: IkFast.cpp:242
virtual int getNumJoints() const =0
virtual int * getFreeParameters() const =0
virtual const char * getKinematicsHash()=0
std::array< IkReal, 3 > mTargetTranspose
Cache data for the target translation used by IKFast.
Definition: IkFast.hpp:123
Analytical is a base class that should be inherited by methods that are made to solve the IK analytic...
Definition: InverseKinematics.hpp:965
The InverseKinematics class provides a convenient way of setting up an IK optimization problem.
Definition: InverseKinematics.hpp:76
Definition: BulletCollisionDetector.cpp:63