source: GTP/trunk/Lib/Geom/shared/GTGeometry/src/libs/quadrics.h @ 1025

// -*- C++ -*-
// $Id: quadrics.h,v 1.7 1997/10/01 14:07:29 garland Exp $

#include "AdjModel.h"
#include <gfx/math/Mat4.h>

namespace simplif
{
        extern Mat4 quadrix_vertex_constraint(const Vec3&);
        extern Mat4 quadrix_plane_constraint(real a, real b, real c, real d);
        extern Mat4 quadrix_plane_constraint(Face& T);
        extern Mat4 quadrix_plane_constraint(const Vec3& n, real);
        extern Mat4 quadrix_plane_constraint(const Vec3&, const Vec3&, const Vec3&);
        extern real quadrix_evaluate_vertex(const Vec3& v, const Mat4& K);


        extern bool check_for_discontinuity(Edge *);
        extern Mat4 quadrix_discontinuity_constraint(Edge *, const Vec3&);
        extern Mat4 quadrix_discontinuity_constraint(Edge *);


        extern bool quadrix_find_local_fit(const Mat4& Q,
                                           const Vec3& v1, const Vec3& v2,
                                           Vec3& candidate);
        extern bool quadrix_find_line_fit(const Mat4& Q,
                                          const Vec3& v1, const Vec3& v2,
                                          Vec3& candidate);
        extern bool quadrix_find_best_fit(const Mat4& Q, Vec3& candidate);
        extern real quadrix_pair_target(const Mat4& Q,
                                        Vertex *v1,
                                        Vertex *v2,
                                        Vec3& candidate);
}