osrm-backend/Tools/componentAnalysis.cpp
2012-12-19 11:04:02 +01:00

103 lines
3.6 KiB
C++

/*
open source routing machine
Copyright (C) Dennis Luxen, 2010
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU AFFERO General Public License as published by
the Free Software Foundation; either version 3 of the License, or
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or see http://www.gnu.org/licenses/agpl.txt.
*/
#define VERBOSE(x) x
#define VERBOSE2(x)
#ifdef NDEBUG
#undef VERBOSE
#undef VERBOSE2
#endif
#include <boost/foreach.hpp>
#include <fstream>
#include <istream>
#include <iostream>
#include <cstring>
#include <string>
#include <vector>
#include "../typedefs.h"
#include "../Algorithms/StronglyConnectedComponents.h"
#include "../DataStructures/BinaryHeap.h"
#include "../DataStructures/DeallocatingVector.h"
#include "../DataStructures/DynamicGraph.h"
#include "../DataStructures/QueryEdge.h"
#include "../DataStructures/TurnInstructions.h"
#include "../Util/BaseConfiguration.h"
#include "../Util/InputFileUtil.h"
#include "../Util/GraphLoader.h"
using namespace std;
typedef QueryEdge::EdgeData EdgeData;
typedef DynamicGraph<EdgeData>::InputEdge InputEdge;
typedef BaseConfiguration ContractorConfiguration;
std::vector<NodeInfo> internalToExternalNodeMapping;
std::vector<_Restriction> inputRestrictions;
std::vector<NodeID> bollardNodes;
std::vector<NodeID> trafficLightNodes;
int main (int argc, char *argv[]) {
if(argc < 3) {
ERR("usage: " << std::endl << argv[0] << " <osrm-data> <osrm-restrictions>");
}
std::string SRTM_ROOT;
INFO("Using restrictions from file: " << argv[2]);
std::ifstream restrictionsInstream(argv[2], ios::binary);
if(!restrictionsInstream.good()) {
ERR("Could not access <osrm-restrictions> files");
}
_Restriction restriction;
unsigned usableRestrictionsCounter(0);
restrictionsInstream.read((char*)&usableRestrictionsCounter, sizeof(unsigned));
inputRestrictions.resize(usableRestrictionsCounter);
restrictionsInstream.read((char *)&(inputRestrictions[0]), usableRestrictionsCounter*sizeof(_Restriction));
restrictionsInstream.close();
std::ifstream in;
in.open (argv[1], std::ifstream::in | std::ifstream::binary);
if (!in.is_open()) {
ERR("Cannot open " << argv[1]);
}
std::vector<ImportEdge> edgeList;
NodeID nodeBasedNodeNumber = readBinaryOSRMGraphFromStream(in, edgeList, bollardNodes, trafficLightNodes, &internalToExternalNodeMapping, inputRestrictions);
in.close();
INFO(inputRestrictions.size() << " restrictions, " << bollardNodes.size() << " bollard nodes, " << trafficLightNodes.size() << " traffic lights");
/***
* Building an edge-expanded graph from node-based input an turn restrictions
*/
INFO("Starting SCC graph traversal");
TarjanSCC * tarjan = new TarjanSCC (nodeBasedNodeNumber, edgeList, bollardNodes, trafficLightNodes, inputRestrictions, internalToExternalNodeMapping);
std::vector<ImportEdge>().swap(edgeList);
tarjan->Run();
std::vector<_Restriction>().swap(inputRestrictions);
std::vector<NodeID>().swap(bollardNodes);
std::vector<NodeID>().swap(trafficLightNodes);
INFO("finished component analysis");
return 0;
}