geomodel_builder_repair.h

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/*
 * Copyright (c) 2012-2017, Association Scientifique pour la Geologie et ses
 * Applications (ASGA). All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
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 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 */

#pragma once

#include <ringmesh/basic/common.h>

#include <ringmesh/geomodel/geomodel.h>

namespace RINGMesh
{
    FORWARD_DECLARATION_DIMENSION_CLASS( GeoModelBuilderBase );
    FORWARD_DECLARATION_DIMENSION_CLASS( GeoModelBuilder );
} // namespace RINGMesh

namespace RINGMesh
{
    template < index_t DIMENSION >
    class RINGMESH_API GeoModelBuilderRepair
    {
        ringmesh_disable_copy_and_move( GeoModelBuilderRepair );
        ringmesh_template_assert_2d_or_3d( DIMENSION );
        friend class GeoModelBuilderBase< DIMENSION >;
        friend class GeoModelBuilder< DIMENSION >;

    public:
        enum RepairMode
        {
            ALL,
            BASIC,
            COLOCATED_VERTICES,
            DEGENERATE_FACETS_EDGES,
            LINE_BOUNDARY_ORDER,
            CONTACTS,
            ISOLATED_VERTICES
        };

        void repair( RepairMode repair_mode );

    private:
        GeoModelBuilderRepair( GeoModelBuilder< DIMENSION >& builder,
            GeoModel< DIMENSION >& geomodel );

        ~GeoModelBuilderRepair() = default;

        void geomodel_mesh_repair();
        void remove_colocated_entity_vertices_and_update_gm();
        void remove_degenerate_polygons_and_edges_and_update_gm();
        void repair_line_boundary_vertex_order();
        void remove_isolated_vertices();
        void remove_isolated_vertices_base();

        void remove_isolated_vertices_on_mesh_entity(
            const GeoModelMeshEntity< DIMENSION >& geomodel_mesh_entity );
        index_t repair_line_mesh( const Line< DIMENSION >& line );
        std::vector< bool > line_detect_degenerate_edges(
            const Line< DIMENSION >& line,
            std::vector< index_t >& colocated_vertices );
        std::vector< index_t > surface_detect_degenerate_polygons(
            const Surface< DIMENSION >& surface,
            std::vector< index_t >& colocated_vertices );
        bool polygon_is_degenerate( const Surface< DIMENSION >& surface,
            index_t polygon_id,
            std::vector< index_t >& colocated_vertices );

        index_t detect_degenerate_polygons(
            const Surface< DIMENSION >& surface );

        void remove_degenerate_polygons_and_edges(
            std::set< gmme_id >& to_remove );

        void remove_colocated_entity_vertices( std::set< gmme_id >& to_remove );
        std::set< index_t > vertices_on_inside_boundary( const gmme_id& E_id );

        bool edge_is_degenerate( const Line< DIMENSION >& line,
            index_t edge,
            const std::vector< index_t >& colocated_vertices );

        void build_contacts();

    private:
        GeoModelBuilder< DIMENSION >& builder_;
        GeoModel< DIMENSION >& geomodel_;
        GeoModelAccess< DIMENSION > geomodel_access_;
    };

    ALIAS_2D_AND_3D( GeoModelBuilderRepair );

} // namespace RINGMesh