133 lines
4.9 KiB
C++
133 lines
4.9 KiB
C++
#ifndef OSMIUM_AREA_GEOM_ASSEMBLER_HPP
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#define OSMIUM_AREA_GEOM_ASSEMBLER_HPP
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/*
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This file is part of Osmium (http://osmcode.org/libosmium).
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Copyright 2013-2017 Jochen Topf <jochen@topf.org> and others (see README).
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Boost Software License - Version 1.0 - August 17th, 2003
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Permission is hereby granted, free of charge, to any person or organization
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obtaining a copy of the software and accompanying documentation covered by
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this license (the "Software") to use, reproduce, display, distribute,
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execute, and transmit the Software, and to prepare derivative works of the
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Software, and to permit third-parties to whom the Software is furnished to
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do so, all subject to the following:
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The copyright notices in the Software and this entire statement, including
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the above license grant, this restriction and the following disclaimer,
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must be included in all copies of the Software, in whole or in part, and
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all derivative works of the Software, unless such copies or derivative
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works are solely in the form of machine-executable object code generated by
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a source language processor.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include <osmium/area/assembler_config.hpp>
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#include <osmium/area/detail/basic_assembler.hpp>
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#include <osmium/area/detail/segment_list.hpp>
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#include <osmium/area/stats.hpp>
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#include <osmium/builder/osm_object_builder.hpp>
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#include <osmium/memory/buffer.hpp>
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#include <osmium/osm/relation.hpp>
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#include <osmium/osm/way.hpp>
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namespace osmium {
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namespace area {
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/**
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* Assembles area objects from closed ways or multipolygon relations
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* and their members. Unlike the Assembler, this one doesn't take
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* tags into account at all. And it doesn't interpret all the config
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* settings and doesn't do all the checks and error reporting the
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* Assembler does.
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*
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* This class was developed specifically for the need of osm2pgsql.
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* Unless you know what you are doing, use the Assembler class instead
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* of this class. Contact the Libosmium developers if you want to use
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* this class.
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*/
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class GeomAssembler : public detail::BasicAssembler {
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public:
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using config_type = osmium::area::AssemblerConfig;
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explicit GeomAssembler(const config_type& config) :
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detail::BasicAssembler(config) {
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}
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~GeomAssembler() noexcept = default;
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/**
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* Assemble an area from the given way.
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*
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* The resulting area is put into the out_buffer.
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*
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* @returns false if there was some kind of error building the
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* area, true otherwise.
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*/
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bool operator()(const osmium::Way& way, osmium::memory::Buffer& out_buffer) {
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segment_list().extract_segments_from_way(config().problem_reporter, stats().duplicate_nodes, way);
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if (!create_rings()) {
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return false;
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}
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{
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osmium::builder::AreaBuilder builder{out_buffer};
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builder.initialize_from_object(way);
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add_rings_to_area(builder);
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}
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out_buffer.commit();
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return true;
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}
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/**
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* Assemble an area from the given relation and its member ways
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* which are in the ways_buffer.
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*
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* The resulting area is put into the out_buffer.
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*
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* @returns false if there was some kind of error building the
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* area, true otherwise.
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*/
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bool operator()(const osmium::Relation& relation, const osmium::memory::Buffer& ways_buffer, osmium::memory::Buffer& out_buffer) {
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for (const auto& way : ways_buffer.select<osmium::Way>()) {
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segment_list().extract_segments_from_way(config().problem_reporter, stats().duplicate_nodes, way);
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}
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if (!create_rings()) {
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return false;
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}
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{
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osmium::builder::AreaBuilder builder{out_buffer};
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builder.initialize_from_object(relation);
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add_rings_to_area(builder);
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}
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out_buffer.commit();
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return true;
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}
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}; // class GeomAssembler
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} // namespace area
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} // namespace osmium
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#endif // OSMIUM_AREA_GEOM_ASSEMBLER_HPP
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