surface_mesh_enumerator.h

/********************************************************************
 * Copyright (C) 2020-2021 by Liangliang Nan <liangliang.nan@gmail.com>
 * Copyright (C) 2000-2005 INRIA - Project ALICE
 *
 * The code in this file is partly from OGF/Graphite (2.0 alpha-4) with
 * modifications and enhancement:
 *      https://gforge.inria.fr/forum/forum.php?forum_id=11459
 * The original code was distributed under the GNU GPL license.
 ********************************************************************/
 
#ifndef EASY3D_ALGO_SURFACE_MESH_ENUMERATOR_H
#define EASY3D_ALGO_SURFACE_MESH_ENUMERATOR_H
 
 
#include <easy3d/core/surface_mesh.h>
 
 
namespace easy3d {
 
    class SurfaceMeshEnumerator {
    public:
 
        static int enumerate_connected_components(SurfaceMesh *mesh, SurfaceMesh::VertexProperty<int> id);
 
        static int enumerate_connected_components(SurfaceMesh *mesh, SurfaceMesh::FaceProperty<int> id);
 
        static void
        propagate_connected_component(SurfaceMesh *mesh, SurfaceMesh::VertexProperty<int> id, SurfaceMesh::Vertex seed,
                                      int cur_id);
 
        static void
        propagate_connected_component(SurfaceMesh *mesh, SurfaceMesh::FaceProperty<int> id, SurfaceMesh::Face seed,
                                      int cur_id);
 
        static int enumerate_planar_components(
                SurfaceMesh *mesh,
                SurfaceMesh::FaceProperty<int> id,
                float angle_threshold = 1.0f
        );
 
        static void propagate_planar_component(SurfaceMesh *mesh,
                                               SurfaceMesh::FaceProperty<int> id,
                                               SurfaceMesh::Face seed, int cur_id,
                                               float angle_threshold
        );
 
    };
 
}   // namespace easy3d
 
 
#endif  // EASY3D_ALGO_SURFACE_MESH_ENUMERATOR_H