intersection.h

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/* Author(s):     F.Mauger <mauger@lpccaen.in2p3.fr>
 * Creation date: 2006-11-28
 * Last modified: 2008-05-24
 *
 * License:
 *
 * Description:
 *   Basic intersection algorithms
 *
 * History:
 *
 */

#ifndef GEOMTOOLS_INTERSECTION_H
#define GEOMTOOLS_INTERSECTION_H 1

// This project:
#include <geomtools/utils.h>

namespace geomtools {

  namespace intersection {


    bool find_intersection_line_circle_2d (const vector_2d & line_origin_,
                                           const vector_2d & line_direction_,
                                           const vector_2d & circle_origin_,
                                           double circle_radius_,
                                           size_t & nsols_,
                                           double & u1_,
                                           double & u2_);

    bool find_intersection_line_circle_2d (const vector_2d & line_origin_,
                                           const vector_2d & line_direction_,
                                           const vector_2d & circle_origin_,
                                           double circle_radius_,
                                           size_t & nsols_,
                                           vector_2d & pos1_,
                                           vector_2d & pos2_);


    bool find_intersection_segment_disk_2d (const vector_2d & segment_first_,
                                            const vector_2d & segment_last_,
                                            const vector_2d & disk_origin_,
                                            double disk_radius_,
                                            vector_2d & first_,
                                            vector_2d & last_);

  } // end of namespace intersection

} // end of namespace geomtools

#endif // GEOMTOOLS_INTERSECTION_H

/*
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** mode: c++ --
** c-file-style: "gnu" --
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*/