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00001 /********************************************************************* 00002 * 00003 * Copyright (c) 2009, Willow Garage, Inc. 00004 * All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 00010 * * Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * * Redistributions in binary form must reproduce the above 00013 * copyright notice, this list of conditions and the following 00014 * disclaimer in the documentation and/or other materials provided 00015 * with the distribution. 00016 * * Neither the name of the Willow Garage nor the names of its 00017 * contributors may be used to endorse or promote products derived 00018 * from this software without specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00021 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00024 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00027 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00028 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00029 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00030 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00031 * POSSIBILITY OF SUCH DAMAGE. 00032 *********************************************************************/ 00033 00034 #ifndef _APPROACH_LIFT_GRASP_ 00035 #define _APPROACH_LIFT_GRASP_ 00036 00037 #include <ros/ros.h> 00038 00039 #include <object_manipulation_msgs/GraspResult.h> 00040 #include <object_manipulation_msgs/PickupGoal.h> 00041 00042 #include <trajectory_msgs/JointTrajectory.h> 00043 00044 #include "object_manipulator/tools/grasp_marker_publisher.h" 00045 00046 namespace object_manipulator { 00047 00050 struct GraspExecutionInfo { 00051 trajectory_msgs::JointTrajectory approach_trajectory_; 00052 trajectory_msgs::JointTrajectory lift_trajectory_; 00053 object_manipulation_msgs::GraspResult result_; 00054 int marker_id_; 00055 }; 00056 00057 // ---------------------------- Definitions --------------------------------- 00058 00061 class GraspTester { 00062 protected: 00064 virtual void testGrasp(const object_manipulation_msgs::PickupGoal &pickup_goal, 00065 const object_manipulation_msgs::Grasp &grasp, 00066 GraspExecutionInfo &execution_info) = 0; 00067 00069 GraspMarkerPublisher *marker_publisher_; 00070 00073 boost::function<void(size_t)> feedback_function_; 00074 00076 boost::function<bool()> interrupt_function_; 00077 public: 00078 GraspTester() : marker_publisher_(NULL) {} 00079 00081 virtual void testGrasps(const object_manipulation_msgs::PickupGoal &pickup_goal, 00082 const std::vector<object_manipulation_msgs::Grasp> &grasps, 00083 std::vector<GraspExecutionInfo> &execution_info, 00084 bool return_on_first_hit); 00085 00087 void setMarkerPublisher(GraspMarkerPublisher *pub){marker_publisher_ = pub;} 00088 00090 void setFeedbackFunction(boost::function<void(size_t)> f){feedback_function_ = f;} 00091 00093 void setInterruptFunction(boost::function<bool()> f){interrupt_function_ = f;} 00094 00096 object_manipulation_msgs::GraspResult Result(int result_code, bool continuation) 00097 { 00098 object_manipulation_msgs::GraspResult result; 00099 result.result_code = result_code; 00100 result.continuation_possible = continuation; 00101 return result; 00102 } 00103 }; 00104 00107 class GraspPerformer { 00108 protected: 00110 virtual void performGrasp(const object_manipulation_msgs::PickupGoal &pickup_goal, 00111 const object_manipulation_msgs::Grasp &grasp, 00112 GraspExecutionInfo &execution_info) = 0; 00113 00115 GraspMarkerPublisher *marker_publisher_; 00116 00119 boost::function<void(size_t)> feedback_function_; 00120 00122 boost::function<bool()> interrupt_function_; 00123 public: 00124 GraspPerformer() : marker_publisher_(NULL) {} 00125 00127 virtual void performGrasps(const object_manipulation_msgs::PickupGoal &pickup_goal, 00128 const std::vector<object_manipulation_msgs::Grasp> &grasps, 00129 std::vector<GraspExecutionInfo> &execution_info); 00130 00132 void setMarkerPublisher(GraspMarkerPublisher *pub){marker_publisher_ = pub;} 00133 00135 void setFeedbackFunction(boost::function<void(size_t)> f){feedback_function_ = f;} 00136 00138 void setInterruptFunction(boost::function<bool()> f){interrupt_function_ = f;} 00139 00141 object_manipulation_msgs::GraspResult Result(int result_code, bool continuation) 00142 { 00143 object_manipulation_msgs::GraspResult result; 00144 result.result_code = result_code; 00145 result.continuation_possible = continuation; 00146 return result; 00147 } 00148 }; 00149 00150 // ------------------------------ Grasp Testers ---------------------------------- 00151 00154 class GraspTesterWithApproach : public GraspTester 00155 { 00156 protected: 00157 virtual void testGrasp(const object_manipulation_msgs::PickupGoal &pickup_goal, 00158 const object_manipulation_msgs::Grasp &grasp, 00159 GraspExecutionInfo &execution_info); 00160 00162 object_manipulation_msgs::GraspResult 00163 getInterpolatedIKForLift(const object_manipulation_msgs::PickupGoal &pickup_goal, 00164 const object_manipulation_msgs::Grasp &grasp, 00165 const std::vector<double> &grasp_joint_angles, 00166 GraspExecutionInfo &execution_info); 00167 00169 virtual arm_navigation_msgs::OrderedCollisionOperations 00170 collisionOperationsForLift(const object_manipulation_msgs::PickupGoal &pickup_goal, 00171 const object_manipulation_msgs::Grasp &grasp); 00172 00174 virtual std::vector<arm_navigation_msgs::LinkPadding> 00175 linkPaddingForLift(const object_manipulation_msgs::PickupGoal &pickup_goal, 00176 const object_manipulation_msgs::Grasp &grasp); 00177 00179 object_manipulation_msgs::GraspResult 00180 getInterpolatedIKForGrasp(const object_manipulation_msgs::PickupGoal &pickup_goal, 00181 const object_manipulation_msgs::Grasp &grasp, 00182 GraspExecutionInfo &execution_info); 00183 00185 virtual arm_navigation_msgs::OrderedCollisionOperations 00186 collisionOperationsForGrasp(const object_manipulation_msgs::PickupGoal &pickup_goal, 00187 const object_manipulation_msgs::Grasp &grasp); 00188 00190 virtual std::vector<arm_navigation_msgs::LinkPadding> 00191 linkPaddingForGrasp(const object_manipulation_msgs::PickupGoal &pickup_goal, 00192 const object_manipulation_msgs::Grasp &grasp); 00193 00195 static float EPS; 00196 }; 00197 00199 class UnsafeGraspTester : public GraspTesterWithApproach 00200 { 00201 protected: 00203 virtual arm_navigation_msgs::OrderedCollisionOperations 00204 collisionOperationsForLift(const object_manipulation_msgs::PickupGoal &pickup_goal, 00205 const object_manipulation_msgs::Grasp &grasp); 00206 00208 virtual arm_navigation_msgs::OrderedCollisionOperations 00209 collisionOperationsForGrasp(const object_manipulation_msgs::PickupGoal &pickup_goal, 00210 const object_manipulation_msgs::Grasp &grasp); 00211 }; 00212 00213 // ---------------------------- Grasp Performers --------------------------------- 00214 00216 class StandardGraspPerformer : public GraspPerformer { 00217 protected: 00218 virtual void performGrasp(const object_manipulation_msgs::PickupGoal &pickup_goal, 00219 const object_manipulation_msgs::Grasp &grasp, 00220 GraspExecutionInfo &execution_info); 00221 00222 virtual object_manipulation_msgs::GraspResult 00223 approachAndGrasp(const object_manipulation_msgs::PickupGoal &pickup_goal, 00224 const object_manipulation_msgs::Grasp &grasp, 00225 GraspExecutionInfo &execution_info); 00226 00227 virtual object_manipulation_msgs::GraspResult 00228 lift(const object_manipulation_msgs::PickupGoal &pickup_goal, 00229 const object_manipulation_msgs::Grasp &grasp, 00230 GraspExecutionInfo &execution_info); 00231 00232 virtual object_manipulation_msgs::GraspResult 00233 retreat(const object_manipulation_msgs::PickupGoal &pickup_goal, 00234 const object_manipulation_msgs::Grasp &grasp, 00235 GraspExecutionInfo &execution_info); 00236 }; 00237 00240 class ReactiveGraspPerformer : public StandardGraspPerformer { 00241 protected: 00242 00244 virtual object_manipulation_msgs::GraspResult 00245 nonReactiveLift(const object_manipulation_msgs::PickupGoal &pickup_goal, 00246 const object_manipulation_msgs::Grasp &grasp, 00247 GraspExecutionInfo &execution_info); 00248 00250 virtual object_manipulation_msgs::GraspResult 00251 reactiveLift(const object_manipulation_msgs::PickupGoal &pickup_goal, 00252 const object_manipulation_msgs::Grasp &grasp, 00253 GraspExecutionInfo &execution_info); 00254 00255 virtual object_manipulation_msgs::GraspResult 00256 lift(const object_manipulation_msgs::PickupGoal &pickup_goal, 00257 const object_manipulation_msgs::Grasp &grasp, 00258 GraspExecutionInfo &execution_info); 00259 00260 virtual object_manipulation_msgs::GraspResult 00261 approachAndGrasp(const object_manipulation_msgs::PickupGoal &pickup_goal, 00262 const object_manipulation_msgs::Grasp &grasp, 00263 GraspExecutionInfo &execution_info); 00264 }; 00265 00266 00268 00281 class UnsafeGraspPerformer : public ReactiveGraspPerformer { 00282 protected: 00283 virtual object_manipulation_msgs::GraspResult 00284 approachAndGrasp(const object_manipulation_msgs::PickupGoal &pickup_goal, 00285 const object_manipulation_msgs::Grasp &grasp, 00286 GraspExecutionInfo &execution_info); 00287 }; 00288 00289 } 00290 00291 #endif