edge_se3_pointxyz.h

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// g2o - General Graph Optimization
// Copyright (C) 2011 R. Kuemmerle, G. Grisetti, W. Burgard
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are
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//
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#ifndef G2O_EDGE_SE3_POINT_XYZ_H_
#define G2O_EDGE_SE3_POINT_XYZ_H_

#include "g2o/core/base_binary_edge.h"

#include "vertex_se3.h"
#include "vertex_pointxyz.h"
#include "parameter_se3_offset.h"
#include "g2o_types_slam3d_api.h"

namespace g2o {

  // first two args are the measurement type, second two the connection classes
  class G2O_TYPES_SLAM3D_API EdgeSE3PointXYZ : public BaseBinaryEdge<3, Vector3D, VertexSE3, VertexPointXYZ> {
  public:
    EIGEN_MAKE_ALIGNED_OPERATOR_NEW
    EdgeSE3PointXYZ();
    virtual bool read(std::istream& is);
    virtual bool write(std::ostream& os) const;

    // return the error estimate as a 3-vector
    void computeError();
    // jacobian
    virtual void linearizeOplus();
    

    virtual void setMeasurement(const Vector3D& m){
      _measurement = m;
    }

    virtual bool setMeasurementData(const double* d){
      Eigen::Map<const Vector3D> v(d);
      _measurement = v;
      return true;
    }

    virtual bool getMeasurementData(double* d) const{
      Eigen::Map<Vector3D> v(d);
      v=_measurement;
      return true;
    }
    
    virtual int measurementDimension() const {return 3;}

    virtual bool setMeasurementFromState() ;

    virtual double initialEstimatePossible(const OptimizableGraph::VertexSet& from, 
             OptimizableGraph::Vertex* to) { 
      (void) to; 
      return (from.count(_vertices[0]) == 1 ? 1.0 : -1.0);
    }

    virtual void initialEstimate(const OptimizableGraph::VertexSet& from, OptimizableGraph::Vertex* to);

    const ParameterSE3Offset* offsetParameter() { return offsetParam; }
  private:
    Eigen::Matrix<double,3,9,Eigen::ColMajor> J; // jacobian before projection
    ParameterSE3Offset* offsetParam;
    CacheSE3Offset* cache;
    virtual bool resolveCaches();
  };

#ifdef G2O_HAVE_OPENGL
  class EdgeSE3PointXYZDrawAction: public DrawAction{
  public:
    EdgeSE3PointXYZDrawAction();
    virtual HyperGraphElementAction* operator()(HyperGraph::HyperGraphElement* element,
            HyperGraphElementAction::Parameters* params_);
  };
#endif

}
#endif