00001 // g2o - General Graph Optimization 00002 // Copyright (C) 2011 R. Kuemmerle, G. Grisetti, W. Burgard 00003 // 00004 // g2o is free software: you can redistribute it and/or modify 00005 // it under the terms of the GNU Lesser General Public License as published 00006 // by the Free Software Foundation, either version 3 of the License, or 00007 // (at your option) any later version. 00008 // 00009 // g2o is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 // GNU Lesser General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU Lesser General Public License 00015 // along with this program. If not, see <http://www.gnu.org/licenses/>. 00016 00017 #ifndef TUTORIAL_EDGE_SE2_H 00018 #define TUTORIAL_EDGE_SE2_H 00019 00020 #include "vertex_se2.h" 00021 #include "g2o/core/base_binary_edge.h" 00022 00023 namespace g2o { 00024 00025 namespace tutorial { 00026 00030 class EdgeSE2 : public BaseBinaryEdge<3, SE2, VertexSE2, VertexSE2> 00031 { 00032 public: 00033 EIGEN_MAKE_ALIGNED_OPERATOR_NEW 00034 EdgeSE2(); 00035 00036 void computeError() 00037 { 00038 const VertexSE2* v1 = static_cast<const VertexSE2*>(_vertices[0]); 00039 const VertexSE2* v2 = static_cast<const VertexSE2*>(_vertices[1]); 00040 SE2 delta = _inverseMeasurement * (v1->estimate().inverse()*v2->estimate()); 00041 _error = delta.toVector(); 00042 } 00043 virtual bool read(std::istream& is); 00044 virtual bool write(std::ostream& os) const; 00045 }; 00046 00047 } 00048 00049 } // end namespace 00050 00051 #endif