/usr/include/osmium/multipolygon/assembler.hpp is in libosmium-dev 0.0~20140910-9a069af-1+b1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | #ifndef OSMIUM_MULTIPOLYGON_ASSEMBLER_HPP
#define OSMIUM_MULTIPOLYGON_ASSEMBLER_HPP
/*
Copyright 2012 Jochen Topf <jochen@topf.org> and others (see README).
This file is part of Osmium (https://github.com/joto/osmium).
Osmium is free software: you can redistribute it and/or modify it under the
terms of the GNU Lesser General Public License or (at your option) the GNU
General Public License as published by the Free Software Foundation, either
version 3 of the Licenses, or (at your option) any later version.
Osmium is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU Lesser General Public License and the GNU
General Public License for more details.
You should have received a copy of the Licenses along with Osmium. If not, see
<http://www.gnu.org/licenses/>.
*/
#include <osmium/smart_ptr.hpp>
#include <osmium/debug.hpp>
#include <osmium/osm/area.hpp>
#include <osmium/relations/relation_info.hpp>
#include <osmium/relations/assembler.hpp>
#include <osmium/multipolygon/builder.hpp>
namespace Osmium {
/**
* @brief Code related to the building of multipolygons from relations.
*/
namespace MultiPolygon {
/**
* This class assembles MultiPolygons from relations tagged with
* type=multipolygon or type=boundary.
*
* @tparam THandler Chained handler class.
* @tparam TBuilder MultiPolygon Builder class.
*/
template <class THandler, class TBuilder = Osmium::MultiPolygon::Builder>
class Assembler : public Osmium::Relations::Assembler<Osmium::MultiPolygon::Assembler<THandler>, Osmium::Relations::RelationInfo, false, true, false, THandler>, public Osmium::WithDebug {
typedef typename Osmium::Relations::Assembler<Osmium::MultiPolygon::Assembler<THandler>, Osmium::Relations::RelationInfo, false, true, false, THandler> AssemblerType;
bool m_attempt_repair;
public:
Assembler(THandler& handler, bool attempt_repair) :
AssemblerType(handler),
m_attempt_repair(attempt_repair) {
}
void relation(const shared_ptr<Osmium::OSM::Relation const>& relation) {
const char* type = relation->tags().get_value_by_key("type");
// ignore relations without "type" tag
if (!type) {
return;
}
if ((!strcmp(type, "multipolygon")) || (!strcmp(type, "boundary"))) {
AssemblerType::add_relation(Osmium::Relations::RelationInfo(relation));
}
}
/**
* We are only interested in members of type way.
*
* Overwritten from the Assembler class.
*/
bool keep_member(Osmium::Relations::RelationInfo& relation_info, const Osmium::OSM::RelationMember& member) {
if (member.type() == 'w') {
return true;
}
if (debug && has_debug_level(1)) {
std::cout << "Ignored non-way member of multipolygon/boundary relation " << relation_info.relation()->id() << "\n";
}
return false;
}
void way_not_in_any_relation(const shared_ptr<Osmium::OSM::Way const>& way) {
if (way->is_closed() && way->nodes().size() >= 4) { // way is closed and has enough nodes, build simple multipolygon
if (debug && has_debug_level(2)) {
std::cout << "MultiPolygon from way " << way->id() << "\n";
}
AssemblerType::nested_handler().area(make_shared<Osmium::OSM::Area>(*way));
}
}
void complete_relation(Osmium::Relations::RelationInfo& relation_info) {
if (debug && has_debug_level(2)) {
std::cout << "MultiPolygon from relation " << relation_info.relation()->id() << "\n";
}
TBuilder builder(relation_info, m_attempt_repair);
BOOST_FOREACH(shared_ptr<Osmium::OSM::Area>& area, builder.build()) {
AssemblerType::nested_handler().area(area);
}
}
void all_members_available() {
if (debug && has_debug_level(1)) {
AssemblerType::clean_assembled_relations();
if (! AssemblerType::relations().empty()) {
std::cout << "Warning! Some member ways missing for these multipolygon relations:";
BOOST_FOREACH(const Osmium::Relations::RelationInfo& relation_info, AssemblerType::relations()) {
std::cout << " " << relation_info.relation()->id();
}
std::cout << "\n";
}
}
}
}; // class Assembler
} // namespace MultiPolygon
} // namespace Osmium
#endif // OSMIUM_MULTIPOLYGON_ASSEMBLER_HPP
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