00001 /********************************************************************* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2010, LABUST, UNIZG-FER 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * * Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * * Redistributions in binary form must reproduce the above 00014 * copyright notice, this list of conditions and the following 00015 * disclaimer in the documentation and/or other materials provided 00016 * with the distribution. 00017 * * Neither the name of the LABUST nor the names of its 00018 * contributors may be used to endorse or promote products derived 00019 * from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00028 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00031 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00032 * POSSIBILITY OF SUCH DAMAGE. 00033 * 00034 * Author: Dula Nad 00035 * Created: 01.02.2013. 00036 *********************************************************************/ 00037 #ifndef DYNAMICSLOADER_HPP_ 00038 #define DYNAMICSLOADER_HPP_ 00039 #include <labust/tools/MatrixLoader.hpp> 00040 #include <ros/ros.h> 00041 00042 namespace labust 00043 { 00044 namespace tools 00045 { 00050 template <class Derived> 00051 inline void matrixExtender(const ros::NodeHandle& nh, 00052 const std::string& name, Eigen::MatrixBase<Derived>& matrix) 00053 { 00054 std::pair<int,int> rowcols = getMatrixParam(nh,name,matrix); 00055 if ((matrix.rows() > rowcols.first) && (rowcols.first == 1)) 00056 { 00057 matrix=matrix.row(0).eval().asDiagonal(); 00058 } 00059 } 00060 00065 template <class Model> 00066 void loadDynamicsParams(const ros::NodeHandle& nh, 00067 Model& model) 00068 { 00069 nh.param("mass",model.m, model.m); 00070 nh.param("gravity",model.g_acc, model.g_acc); 00071 nh.param("fluid_density",model.rho, model.rho); 00072 00073 getMatrixParam(nh,"rg",model.rg); 00074 getMatrixParam(nh,"rb",model.rb); 00075 00076 matrixExtender(nh,"added_mass",model.Ma); 00077 matrixExtender(nh,"linear_damping",model.Dlin); 00078 matrixExtender(nh,"quadratic_damping",model.Dquad); 00079 matrixExtender(nh,"inertia_matrix",model.Io); 00080 } 00081 } 00082 } 00083 /* DYNAMICSLOADER_HPP_ */ 00084 #endif