add geometry compressor
This commit is contained in:
Dennis Luxen
parent
349df0dc94
commit
a8e8833a8d
@ -34,15 +34,17 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
#include "../DataStructures/DeallocatingVector.h"
|
||||
#include "../DataStructures/DynamicGraph.h"
|
||||
#include "../DataStructures/EdgeBasedNode.h"
|
||||
#include "../Extractor/ExtractorStructs.h"
|
||||
#include "../DataStructures/HashTable.h"
|
||||
#include "../DataStructures/ImportEdge.h"
|
||||
#include "../DataStructures/QueryEdge.h"
|
||||
#include "../DataStructures/Percent.h"
|
||||
#include "../DataStructures/QueryEdge.h"
|
||||
#include "../DataStructures/TurnInstructions.h"
|
||||
#include "../Extractor/ExtractorStructs.h"
|
||||
#include "../Util/LuaUtil.h"
|
||||
#include "../Util/SimpleLogger.h"
|
||||
|
||||
#include "GeometryCompressor.h"
|
||||
|
||||
#include <boost/foreach.hpp>
|
||||
#include <boost/make_shared.hpp>
|
||||
#include <boost/noncopyable.hpp>
|
||||
|
||||
94
Contractor/GeometryCompressor.cpp
Normal file
94
Contractor/GeometryCompressor.cpp
Normal file
@ -0,0 +1,94 @@
|
||||
/*
|
||||
|
||||
Copyright (c) 2013, Project OSRM, Dennis Luxen, others
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without modification,
|
||||
are permitted provided that the following conditions are met:
|
||||
|
||||
Redistributions of source code must retain the above copyright 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.
|
||||
|
||||
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 PURPOSE ARE
|
||||
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||||
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
*/
|
||||
|
||||
#include "GeometryCompressor.h"
|
||||
|
||||
int current_free_list_maximum = 0;
|
||||
int UniqueNumber () { return ++current_free_list_maximum; }
|
||||
|
||||
GeometryCompressor::GeometryCompressor() {
|
||||
m_free_list.resize(100);
|
||||
IncreaseFreeList();
|
||||
}
|
||||
|
||||
void GeometryCompressor::IncreaseFreeList() {
|
||||
m_compressed_geometries.resize(m_compressed_geometries.size() + 100);
|
||||
std::generate_n (m_free_list.rend(), 100, UniqueNumber);
|
||||
}
|
||||
|
||||
void GeometryCompressor::AppendNodeIDsToGeomtry( NodeID node_id, NodeID contracted_node_id ) {
|
||||
//check if node_id already has a list
|
||||
boost::unordered_map<unsigned, unsigned>::const_iterator map_iterator;
|
||||
map_iterator = m_node_id_to_index_map.find( node_id );
|
||||
|
||||
unsigned geometry_bucket_index = std::numeric_limits<unsigned>::max();
|
||||
if( m_node_id_to_index_map.end() == map_iterator ) {
|
||||
//if not, create one
|
||||
if( m_free_list.empty() ) {
|
||||
IncreaseFreeList();
|
||||
}
|
||||
geometry_bucket_index = m_free_list.back();
|
||||
m_free_list.pop_back();
|
||||
} else {
|
||||
geometry_bucket_index = map_iterator->second;
|
||||
}
|
||||
|
||||
BOOST_ASSERT( std::numeric_limits<unsigned>::max() != geometry_bucket_index );
|
||||
BOOST_ASSERT( geometry_bucket_index < m_compressed_geometries.size() );
|
||||
|
||||
//append contracted_node_id to m_compressed_geometries[node_id]
|
||||
m_compressed_geometries[geometry_bucket_index].push_back(contracted_node_id);
|
||||
|
||||
//append m_compressed_geometries[contracted_node_id] to m_compressed_geometries[node_id]
|
||||
map_iterator = m_node_id_to_index_map.find(contracted_node_id);
|
||||
if ( m_node_id_to_index_map.end() != map_iterator) {
|
||||
const unsigned bucket_index_to_remove = map_iterator->second;
|
||||
BOOST_ASSERT( bucket_index_to_remove < m_compressed_geometries.size() );
|
||||
|
||||
m_compressed_geometries[geometry_bucket_index].insert(
|
||||
m_compressed_geometries[geometry_bucket_index].end(),
|
||||
m_compressed_geometries[bucket_index_to_remove].begin(),
|
||||
m_compressed_geometries[bucket_index_to_remove].end()
|
||||
);
|
||||
//remove m_compressed_geometries[contracted_node_id], add to free list
|
||||
m_compressed_geometries[bucket_index_to_remove].clear();
|
||||
m_free_list.push_back(bucket_index_to_remove);
|
||||
}
|
||||
}
|
||||
|
||||
void GeometryCompressor::PrintStatistics() const {
|
||||
unsigned compressed_node_count = 0;
|
||||
const unsigned surviving_node_count = m_compressed_geometries.size();
|
||||
|
||||
BOOST_FOREACH(const std::vector<unsigned> & current_vector, m_compressed_geometries) {
|
||||
compressed_node_count += current_vector.size();
|
||||
}
|
||||
SimpleLogger().Write() <<
|
||||
"surv: " << surviving_node_count <<
|
||||
", comp: " << compressed_node_count <<
|
||||
", comp ratio: " << ((float)surviving_node_count/compressed_node_count);
|
||||
}
|
||||
58
Contractor/GeometryCompressor.h
Normal file
58
Contractor/GeometryCompressor.h
Normal file
@ -0,0 +1,58 @@
|
||||
/*
|
||||
|
||||
Copyright (c) 2013, Project OSRM, Dennis Luxen, others
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without modification,
|
||||
are permitted provided that the following conditions are met:
|
||||
|
||||
Redistributions of source code must retain the above copyright 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.
|
||||
|
||||
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 PURPOSE ARE
|
||||
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||||
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
*/
|
||||
|
||||
#include "../Util/SimpleLogger.h"
|
||||
#include "../typedefs.h"
|
||||
|
||||
#include <boost/assert.hpp>
|
||||
#include <boost/foreach.hpp>
|
||||
#include <boost/unordered_map.hpp>
|
||||
|
||||
#include <algorithm>
|
||||
#include <limits>
|
||||
#include <vector>
|
||||
|
||||
#ifndef GEOMETRY_COMPRESSOR_H
|
||||
#define GEOMETRY_COMPRESSOR_H
|
||||
|
||||
class GeometryCompressor {
|
||||
public:
|
||||
GeometryCompressor();
|
||||
void AppendNodeIDsToGeomtry( NodeID node_id, NodeID contracted_node_id );
|
||||
void PrintStatistics() const;
|
||||
|
||||
private:
|
||||
|
||||
void IncreaseFreeList();
|
||||
|
||||
std::vector<std::vector<unsigned> > m_compressed_geometries;
|
||||
std::vector<unsigned> m_free_list;
|
||||
boost::unordered_map<unsigned, unsigned> m_node_id_to_index_map;
|
||||
};
|
||||
|
||||
|
||||
#endif //GEOMETRY_COMPRESSOR_H
|
||||
Loading…
Reference in New Issue
Block a user