moveit2
The MoveIt Motion Planning Framework for ROS 2.
constrained_sampler.h
Go to the documentation of this file.
1 /*********************************************************************
2  * Software License Agreement (BSD License)
3  *
4  * Copyright (c) 2011, Willow Garage, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * * Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  * * Redistributions in binary form must reproduce the above
14  * copyright notice, this list of conditions and the following
15  * disclaimer in the documentation and/or other materials provided
16  * with the distribution.
17  * * Neither the name of Willow Garage nor the names of its
18  * contributors may be used to endorse or promote products derived
19  * from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32  * POSSIBILITY OF SUCH DAMAGE.
33  *********************************************************************/
34 
35 /* Author: Ioan Sucan */
36 
37 #pragma once
38 
39 #include <ompl/base/StateSampler.h>
41 
42 namespace ompl_interface
43 {
44 class ModelBasedPlanningContext;
45 
48 class ConstrainedSampler : public ompl::base::StateSampler
49 {
50 public:
55  ConstrainedSampler(const ModelBasedPlanningContext* pc, constraint_samplers::ConstraintSamplerPtr cs);
56 
58  void sampleUniform(ompl::base::State* state) override;
59 
61  void sampleUniformNear(ompl::base::State* state, const ompl::base::State* near, const double distance) override;
62 
64  void sampleGaussian(ompl::base::State* state, const ompl::base::State* mean, const double stdDev) override;
65 
66  double getConstrainedSamplingRate() const;
67 
68 private:
69  bool sampleC(ompl::base::State* state);
70 
71  const ModelBasedPlanningContext* planning_context_;
72  ompl::base::StateSamplerPtr default_;
73  constraint_samplers::ConstraintSamplerPtr constraint_sampler_;
74  moveit::core::RobotState work_state_;
75  unsigned int constrained_success_;
76  unsigned int constrained_failure_;
77  double inv_dim_;
78 };
79 } // namespace ompl_interface
Representation of a robot's state. This includes position, velocity, acceleration and effort.
Definition: robot_state.h:90
void sampleUniformNear(ompl::base::State *state, const ompl::base::State *near, const double distance) override
Sample a state (uniformly) within a certain distance of another state.
void sampleUniform(ompl::base::State *state) override
Sample a state (uniformly)
void sampleGaussian(ompl::base::State *state, const ompl::base::State *mean, const double stdDev) override
Sample a state using the specified Gaussian.
ConstrainedSampler(const ModelBasedPlanningContext *pc, constraint_samplers::ConstraintSamplerPtr cs)
Default constructor.
The MoveIt interface to OMPL.
double distance(const urdf::Pose &transform)
Definition: pr2_arm_ik.h:55