sac_model_parallel_line.h

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 * $Id: sac_model_parallel_line.h 4710 2012-02-23 17:51:24Z rusu $
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#ifndef PCL_SAMPLE_CONSENSUS_MODEL_PARALLELLINE_H_
#define PCL_SAMPLE_CONSENSUS_MODEL_PARALLELLINE_H_

#include <pcl/sample_consensus/sac_model_line.h>
#include <pcl/sample_consensus/sac_model_perpendicular_plane.h>

namespace pcl
{
  template <typename PointT>
  class SampleConsensusModelParallelLine : public SampleConsensusModelLine<PointT>
  {
    public:
      typedef typename SampleConsensusModelLine<PointT>::PointCloud PointCloud;
      typedef typename SampleConsensusModelLine<PointT>::PointCloudPtr PointCloudPtr;
      typedef typename SampleConsensusModelLine<PointT>::PointCloudConstPtr PointCloudConstPtr;

      typedef boost::shared_ptr<SampleConsensusModelParallelLine> Ptr;

      SampleConsensusModelParallelLine (const PointCloudConstPtr &cloud) : 
        SampleConsensusModelLine<PointT> (cloud),
        axis_ (Eigen::Vector3f::Zero ()),
        eps_angle_ (0.0)
      {
      }

      SampleConsensusModelParallelLine (const PointCloudConstPtr &cloud, const std::vector<int> &indices) : 
        SampleConsensusModelLine<PointT> (cloud, indices),
        axis_ (Eigen::Vector3f::Zero ()),
        eps_angle_ (0.0)
      {
      }

      inline void 
      setAxis (const Eigen::Vector3f &ax) { axis_ = ax; axis_.normalize (); }

      inline Eigen::Vector3f 
      getAxis ()  { return (axis_); }

      inline void 
      setEpsAngle (const double ea) { eps_angle_ = ea; }

      inline double getEpsAngle () { return (eps_angle_); }

      void 
      selectWithinDistance (const Eigen::VectorXf &model_coefficients, 
                            const double threshold, 
                            std::vector<int> &inliers);

      virtual int
      countWithinDistance (const Eigen::VectorXf &model_coefficients, 
                           const double threshold);

      void 
      getDistancesToModel (const Eigen::VectorXf &model_coefficients, 
                           std::vector<double> &distances);

      inline pcl::SacModel 
      getModelType () const { return (SACMODEL_PARALLEL_LINE); }

    protected:
      bool 
      isModelValid (const Eigen::VectorXf &model_coefficients);

    protected:
      Eigen::Vector3f axis_;

      double eps_angle_;
  };
}

#endif  //#ifndef PCL_SAMPLE_CONSENSUS_MODEL_PARALLELLINE_H_