parameter_camera.h

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// g2o - General Graph Optimization
// Copyright (C) 2011 R. Kuemmerle, G. Grisetti, W. Burgard
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
//   notice, this list of conditions and the following disclaimer in the
//   documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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#ifndef G2O_CAMERA_PARAMETERS_H_
#define G2O_CAMERA_PARAMETERS_H_

#include "g2o/core/hyper_graph_action.h"
#include "parameter_se3_offset.h"
#include "g2o_types_slam3d_api.h"

namespace g2o {
  class G2O_TYPES_SLAM3D_API ParameterCamera: public ParameterSE3Offset {
    public:
      EIGEN_MAKE_ALIGNED_OPERATOR_NEW;
      ParameterCamera();
      void setKcam(double fx, double fy, double cx, double cy);
      void setOffset(const Isometry3D& offset_ = Isometry3D::Identity());

      virtual bool read(std::istream& is);
      virtual bool write(std::ostream& os) const;

      const Matrix3D& Kcam() const { return _Kcam;}
      const Matrix3D& invKcam() const { return _invKcam;}
      const Matrix3D& Kcam_inverseOffsetR() const { return _Kcam_inverseOffsetR;}

    protected:
      Matrix3D _Kcam;
      Matrix3D _invKcam;
      Matrix3D _Kcam_inverseOffsetR;
  };

  class G2O_TYPES_SLAM3D_API CacheCamera: public CacheSE3Offset {
  public:
    EIGEN_MAKE_ALIGNED_OPERATOR_NEW;
    const ParameterCamera* camParams() const {return params;}
    const Affine3D& w2i() const {return _w2i;}

  protected:
    virtual void updateImpl();
    virtual bool resolveDependancies();
    Affine3D _w2i; 
    ParameterCamera* params;
  };


#ifdef G2O_HAVE_OPENGL
  class G2O_TYPES_SLAM3D_API CacheCameraDrawAction: public DrawAction{
    public:
      CacheCameraDrawAction();
      virtual HyperGraphElementAction* operator()(HyperGraph::HyperGraphElement* element, HyperGraphElementAction::Parameters* params_ );
    protected:
      virtual bool refreshPropertyPtrs(HyperGraphElementAction::Parameters* params_);
      FloatProperty* _cameraZ, *_cameraSide;
  };
#endif

} // end namespace

#endif