a_shape_cylinder.h

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/*
         Copyright 2015-20 Pierre SMARS (smars@yuntech.edu.tw)
         This program is free software: you can redistribute it and/or modify
         it under the terms of the GNU General Public License as published by
         the Free Software Foundation, either version 2 of the License, or
         (at your option) any later version.
 
         This program 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 General Public License for more details.
 
         You should have received a copy of the GNU General Public License
         along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SHAPE_CYLINDER_H_
#define _SHAPE_CYLINDER_H_
 
// .NAME a_shape_cylinder
// .SECTION Author
// Pierre Smars
#include "a_shape_quadric.h"
#include <vnl/vnl_double_3.h> 
#include <vnl/vnl_double_3x3.h> 
 
class a_shape_cylinder : public a_shape_quadric
{
        public:
                a_shape_cylinder(): a_shape_quadric(), radius_(0.), center_(), dir_() {};
                virtual const std::string classname() const {return "a_shape_cylinder";}
    static const std::string help();
                void p9pts(const a_point * pt); //cylinder passes through 9 points
 
                double radius() const;
                void radius(const double r);
 
                a_point center() const;
                void center(const a_point c); 
 
                a_point dir() const;
                void dir(const a_point d); 
 
                a_point closest_point(const a_point pt) const;
                int threshold_cloud(const std::vector<a_point>& pts, std::vector<a_point>& pts2);
                void fit_cloud(std::vector<a_point>& pts, short nl = 1);
                void export_points(const unsigned int nseg, const std::vector<a_point>& pts) const;
                void export_triangles(const unsigned int nseg, const std::vector<a_point>& pts) const;
                void export_matrices() const;
        private:
                double radius_;
                a_point center_;
                a_point dir_;
};
 
#endif