Files
create/src/Mod/Robot/App/kdl_cp/chainiksolverpos_nr.cpp
2011-10-10 13:44:52 +00:00

58 lines
2.0 KiB
C++

// Copyright (C) 2007 Ruben Smits <ruben dot smits at mech dot kuleuven dot be>
// Version: 1.0
// Author: Ruben Smits <ruben dot smits at mech dot kuleuven dot be>
// Maintainer: Ruben Smits <ruben dot smits at mech dot kuleuven dot be>
// URL: http://www.orocos.org/kdl
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include "chainiksolverpos_nr.hpp"
namespace KDL
{
ChainIkSolverPos_NR::ChainIkSolverPos_NR(const Chain& _chain,ChainFkSolverPos& _fksolver,ChainIkSolverVel& _iksolver,
unsigned int _maxiter, double _eps):
chain(_chain),fksolver(_fksolver),iksolver(_iksolver),delta_q(_chain.getNrOfJoints()),
maxiter(_maxiter),eps(_eps)
{
}
int ChainIkSolverPos_NR::CartToJnt(const JntArray& q_init, const Frame& p_in, JntArray& q_out)
{
q_out = q_init;
unsigned int i;
for(i=0;i<maxiter;i++){
fksolver.JntToCart(q_out,f);
delta_twist = diff(f,p_in);
iksolver.CartToJnt(q_out,delta_twist,delta_q);
Add(q_out,delta_q,q_out);
if(Equal(delta_twist,Twist::Zero(),eps))
break;
}
if(i!=maxiter)
return 0;
else
return -3;
}
ChainIkSolverPos_NR::~ChainIkSolverPos_NR()
{
}
}