Deleting unnecessary class
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/*
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open source routing machine
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Copyright (C) Dennis Luxen, others 2010
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU AFFERO General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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or see http://www.gnu.org/licenses/agpl.txt.
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*/
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#ifndef TURNINFOFACTORY_H_INCLUDED
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#define TURNINFOFACTORY_H_INCLUDED
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#ifdef _GLIBCXX_PARALLEL
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#include <parallel/algorithm>
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#else
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#include <algorithm>
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#endif
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#include "StaticGraph.h"
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#include "Percent.h"
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#include <ctime>
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#include <vector>
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#include <queue>
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#include <set>
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#include <stack>
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#include <limits>
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#include <omp.h>
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typedef StaticGraph<MinimalEdgeData>::InputEdge MinimalEdge;
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typedef StaticGraph<MinimalEdgeData> _StaticGraph;
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//template <typename InputEdge>
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class TurnInfoFactory {
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public:
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TurnInfoFactory( int nodes, std::vector< ImportEdge >& inputEdges ) : _inputEdges (inputEdges) {
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std::vector< MinimalEdge > edges;
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edges.reserve( 2 * inputEdges.size() );
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for ( std::vector< ImportEdge >::const_iterator i = inputEdges.begin(), e = inputEdges.end(); i != e; ++i ) {
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MinimalEdge edge;
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edge.source = i->source();
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edge.target = i->target();
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edge.data.distance = std::max((int)i->weight(), 1 );
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assert( edge.data.distance > 0 );
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if ( edge.data.distance > 24 * 60 * 60 * 10 ) {
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cout << "Edge Weight too large -> May lead to invalid CH" << endl;
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continue;
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}
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if ( edge.data.distance <= 0 ) {
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cout << "Edge Weight too small -> May lead to invalid CH or Crashes"<< endl;
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continue;
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}
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edge.data.forward = i->isForward();
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edge.data.backward = i->isBackward();
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edges.push_back( edge );
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std::swap( edge.source, edge.target );
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edge.data.forward = i->isBackward();
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edge.data.backward = i->isForward();
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edges.push_back( edge );
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}
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#ifdef _GLIBCXX_PARALLEL
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__gnu_parallel::sort( edges.begin(), edges.end() );
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#else
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sort( edges.begin(), edges.end() );
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#endif
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NodeID edge = 0;
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for ( NodeID i = 0; i < edges.size(); ) {
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const NodeID source = edges[i].source;
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const NodeID target = edges[i].target;
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//remove eigenloops
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if ( source == target ) {
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i++;
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continue;
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}
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MinimalEdge forwardEdge;
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MinimalEdge backwardEdge;
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forwardEdge.source = backwardEdge.source = source;
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forwardEdge.target = backwardEdge.target = target;
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forwardEdge.data.forward = backwardEdge.data.backward = true;
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forwardEdge.data.backward = backwardEdge.data.forward = false;
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// forwardEdge.data.type = backwardEdge.data.type = type;
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// forwardEdge.data.middleName.nameID = backwardEdge.data.middleName.nameID = middle;
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// forwardEdge.data.shortcut = backwardEdge.data.shortcut = false;
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// forwardEdge.data.originalEdges = backwardEdge.data.originalEdges = 1;
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forwardEdge.data.distance = backwardEdge.data.distance = std::numeric_limits< int >::max();
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//remove parallel edges
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while ( i < edges.size() && edges[i].source == source && edges[i].target == target ) {
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if ( edges[i].data.forward )
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forwardEdge.data.distance = std::min( edges[i].data.distance, forwardEdge.data.distance );
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if ( edges[i].data.backward )
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backwardEdge.data.distance = std::min( edges[i].data.distance, backwardEdge.data.distance );
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i++;
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}
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//merge edges (s,t) and (t,s) into bidirectional edge
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if ( forwardEdge.data.distance == backwardEdge.data.distance ) {
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if ( (int)forwardEdge.data.distance != std::numeric_limits< int >::max() ) {
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forwardEdge.data.backward = true;
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edges[edge++] = forwardEdge;
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}
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} else { //insert seperate edges
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if ( (int)forwardEdge.data.distance != std::numeric_limits< int >::max() ) {
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edges[edge++] = forwardEdge;
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}
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if ( (int)backwardEdge.data.distance != std::numeric_limits< int >::max() ) {
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edges[edge++] = backwardEdge;
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}
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}
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}
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cout << "ok" << endl << "removed " << edges.size() - edge << " edges of " << edges.size() << endl;
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edges.resize( edge );
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_graph = new _StaticGraph( nodes, edges );
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std::vector< MinimalEdge >().swap( edges );
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}
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~TurnInfoFactory() {
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delete _graph;
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}
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/* check if its possible to turn at the end of an edge */
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template< class InputEdge >
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void Run () {
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unsigned count = 0;
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for(unsigned n = 0; n < _inputEdges.size(); n++) {
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NodeID target = _inputEdges[n].target();
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NodeID source = _inputEdges[n].source();
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if(_inputEdges[n].isForward() ) {
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EdgeID begin = _graph->BeginEdges(target);
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EdgeID end = _graph->EndEdges(target);
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if( begin + ( _inputEdges[n].isBackward() ? 2 : 1 ) < end ) {
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_inputEdges[n].setForwardTurn( true );
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count++;
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}
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}
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if(_inputEdges[n].isBackward() ) {
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EdgeID begin = _graph->BeginEdges(source);
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EdgeID end = _graph->EndEdges(source);
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if( begin + ( _inputEdges[n].isForward() ? 2 : 1 ) < end ) {
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_inputEdges[n].setBackwardTurn( true );
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count ++;
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}
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}
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}
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cout << "allowed turns: " << count << endl;
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}
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/* check if its possible to turn at the end of an edge */
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void Run () {
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unsigned count = 0;
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for(unsigned n = 0; n < _inputEdges.size(); n++) {
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NodeID target = _inputEdges[n].target();
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NodeID source = _inputEdges[n].source();
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if(_inputEdges[n].isForward() ) {
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EdgeID begin = _graph->BeginEdges(target);
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EdgeID end = _graph->EndEdges(target);
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if( begin + ( _inputEdges[n].isBackward() ? 2 : 1 ) < end ) {
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_inputEdges[n].setForwardTurn( true );
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count++;
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}
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}
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if(_inputEdges[n].isBackward() ) {
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EdgeID begin = _graph->BeginEdges(source);
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EdgeID end = _graph->EndEdges(source);
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if( begin + ( _inputEdges[n].isForward() ? 2 : 1 ) < end ) {
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_inputEdges[n].setBackwardTurn( true );
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count ++;
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}
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}
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}
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cout << "allowed turns: " << count << endl;
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}
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private:
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_StaticGraph* _graph;
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std::vector<NodeID> * _components;
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std::vector< ImportEdge >& _inputEdges;
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};
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#endif // TURNINFOFACTORY_H_INCLUDED
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