node_locations_for_ways.hpp
Go to the documentation of this file.
#ifndef OSMIUM_HANDLER_NODE_LOCATIONS_FOR_WAYS_HPP
#define OSMIUM_HANDLER_NODE_LOCATIONS_FOR_WAYS_HPP
/*
This file is part of Osmium (http://osmcode.org/libosmium).
Copyright 2013-2016 Jochen Topf <jochen@topf.org> and others (see README).
Boost Software License - Version 1.0 - August 17th, 2003
Permission is hereby granted, free of charge, to any person or organization
obtaining a copy of the software and accompanying documentation covered by
this license (the "Software") to use, reproduce, display, distribute,
execute, and transmit the Software, and to prepare derivative works of the
Software, and to permit third-parties to whom the Software is furnished to
do so, all subject to the following:
The copyright notices in the Software and this entire statement, including
the above license grant, this restriction and the following disclaimer,
must be included in all copies of the Software, in whole or in part, and
all derivative works of the Software, unless such copies or derivative
works are solely in the form of machine-executable object code generated by
a source language processor.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <type_traits>
#include <osmium/handler.hpp>
#include <osmium/index/index.hpp>
#include <osmium/index/map/dummy.hpp>
#include <osmium/osm/location.hpp>
#include <osmium/osm/node.hpp>
#include <osmium/osm/node_ref.hpp>
#include <osmium/osm/types.hpp>
#include <osmium/osm/way.hpp>
#include <osmium/index/node_locations_map.hpp>
namespace osmium {
namespace handler {
typedef osmium::index::map::Dummy<osmium::unsigned_object_id_type, osmium::Location> dummy_type;
template <typename TStoragePosIDs, typename TStorageNegIDs = dummy_type>
class NodeLocationsForWays : public osmium::handler::Handler {
public:
typedef TStoragePosIDs index_pos_type;
typedef TStorageNegIDs index_neg_type;
private:
TStoragePosIDs& m_storage_pos;
TStorageNegIDs& m_storage_neg;
bool m_ignore_errors {false};
bool m_must_sort {false};
// It is okay to have this static dummy instance, even when using several threads,
// because it is read-only.
static dummy_type& get_dummy() {
static dummy_type instance;
return instance;
}
public:
explicit NodeLocationsForWays(TStoragePosIDs& storage_pos,
TStorageNegIDs& storage_neg = get_dummy()) :
m_storage_pos(storage_pos),
m_storage_neg(storage_neg) {
}
NodeLocationsForWays(const NodeLocationsForWays&) = delete;
NodeLocationsForWays& operator=(const NodeLocationsForWays&) = delete;
NodeLocationsForWays(NodeLocationsForWays&&) = default;
NodeLocationsForWays& operator=(NodeLocationsForWays&&) = default;
~NodeLocationsForWays() noexcept = default;
void ignore_errors() {
m_ignore_errors = true;
}
void node(const osmium::Node& node) {
m_must_sort = true;
const osmium::object_id_type id = node.id();
if (id >= 0) {
m_storage_pos.set(static_cast<osmium::unsigned_object_id_type>( id), node.location());
} else {
m_storage_neg.set(static_cast<osmium::unsigned_object_id_type>(-id), node.location());
}
}
osmium::Location get_node_location(const osmium::object_id_type id) const {
if (id >= 0) {
return m_storage_pos.get(static_cast<osmium::unsigned_object_id_type>( id));
} else {
return m_storage_neg.get(static_cast<osmium::unsigned_object_id_type>(-id));
}
}
void way(osmium::Way& way) {
if (m_must_sort) {
m_storage_pos.sort();
m_storage_neg.sort();
m_must_sort = false;
}
bool error = false;
for (auto& node_ref : way.nodes()) {
try {
node_ref.set_location(get_node_location(node_ref.ref()));
if (!node_ref.location()) {
error = true;
}
} catch (osmium::not_found&) {
error = true;
}
}
if (error && !m_ignore_errors) {
throw osmium::not_found("location for one or more nodes not found in node location index");
}
}
void clear() {
m_storage_pos.clear();
m_storage_neg.clear();
}
}; // class NodeLocationsForWays
} // namespace handler
} // namespace osmium
#endif // OSMIUM_HANDLER_NODE_LOCATIONS_FOR_WAYS_HPP
osmium::Way::nodes
WayNodeList & nodes()
Definition: way.hpp:75
node_locations_map.hpp
osmium::handler::NodeLocationsForWays::m_ignore_errors
bool m_ignore_errors
Definition: node_locations_for_ways.hpp:81
location.hpp
osmium::handler::dummy_type
osmium::index::map::Dummy< osmium::unsigned_object_id_type, osmium::Location > dummy_type
Definition: node_locations_for_ways.hpp:53
osmium::handler::NodeLocationsForWays::way
void way(osmium::Way &way)
Definition: node_locations_for_ways.hpp:140
osmium::handler::NodeLocationsForWays::m_must_sort
bool m_must_sort
Definition: node_locations_for_ways.hpp:83
osmium::handler::NodeLocationsForWays::ignore_errors
void ignore_errors()
Definition: node_locations_for_ways.hpp:108
index.hpp
osmium::handler::Handler
Definition: handler.hpp:45
osmium::handler::NodeLocationsForWays::~NodeLocationsForWays
~NodeLocationsForWays() noexcept=default
node_ref.hpp
osmium::handler::NodeLocationsForWays::get_dummy
static dummy_type & get_dummy()
Definition: node_locations_for_ways.hpp:87
types.hpp
osmium::Way
Definition: way.hpp:65
way.hpp
osmium::object_id_type
int64_t object_id_type
Type for OSM object (node, way, or relation) IDs.
Definition: types.hpp:45
osmium
Namespace for everything in the Osmium library.
Definition: assembler.hpp:59
osmium::handler::NodeLocationsForWays::m_storage_pos
TStoragePosIDs & m_storage_pos
Object that handles the actual storage of the node locations (with positive IDs). ...
Definition: node_locations_for_ways.hpp:76
osmium::index::map::Dummy
Definition: dummy.hpp:53
osmium::handler::NodeLocationsForWays::m_storage_neg
TStorageNegIDs & m_storage_neg
Object that handles the actual storage of the node locations (with negative IDs). ...
Definition: node_locations_for_ways.hpp:79
handler.hpp
dummy.hpp
osmium::Location
Definition: location.hpp:79
osmium::OSMObject::id
object_id_type id() const noexcept
Get ID of this object.
Definition: object.hpp:110
osmium::Node::location
osmium::Location location() const noexcept
Definition: node.hpp:61
osmium::handler::NodeLocationsForWays::operator=
NodeLocationsForWays & operator=(const NodeLocationsForWays &)=delete
osmium::Node
Definition: node.hpp:47
node.hpp
osmium::not_found
Definition: index.hpp:50
osmium::handler::NodeLocationsForWays::NodeLocationsForWays
NodeLocationsForWays(TStoragePosIDs &storage_pos, TStorageNegIDs &storage_neg=get_dummy())
Definition: node_locations_for_ways.hpp:94
osmium::handler::NodeLocationsForWays::index_neg_type
TStorageNegIDs index_neg_type
Definition: node_locations_for_ways.hpp:71
osmium::handler::NodeLocationsForWays
Definition: node_locations_for_ways.hpp:64
osmium::handler::NodeLocationsForWays::node
void node(const osmium::Node &node)
Definition: node_locations_for_ways.hpp:115
osmium::handler::NodeLocationsForWays::get_node_location
osmium::Location get_node_location(const osmium::object_id_type id) const
Definition: node_locations_for_ways.hpp:128
osmium::handler::NodeLocationsForWays::clear
void clear()
Definition: node_locations_for_ways.hpp:167
osmium::handler::NodeLocationsForWays::index_pos_type
TStoragePosIDs index_pos_type
Definition: node_locations_for_ways.hpp:70