124 lines
3.2 KiB
C++
124 lines
3.2 KiB
C++
/*
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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 NODEINFORMATIONHELPDESK_H_
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#define NODEINFORMATIONHELPDESK_H_
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#include <omp.h>
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#include <climits>
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#include <cstdlib>
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#include <algorithm>
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#include <deque>
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#include <fstream>
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#include <iostream>
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#include <limits>
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#include <list>
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#include <stack>
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#include <string>
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#include <vector>
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#include "../typedefs.h"
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#include "StaticKDTree.h"
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typedef KDTree::StaticKDTree<2, int, NodeID> KDTreeType;
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class NodeInformationHelpDesk{
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public:
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NodeInformationHelpDesk() { int2ExtNodeMap = new vector<KDTreeType::InputPoint>();}
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KDTreeType * initKDTree(ifstream& input);
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NodeID getExternalNodeID(const NodeID node);
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void getExternalNodeInfo(const NodeID node, NodeInfo * info) const;
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int getLatitudeOfNode(const NodeID node) const;
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int getLongitudeOfNode(const NodeID node) const;
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NodeID getNumberOfNodes() const { return int2ExtNodeMap->size(); }
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inline NodeID findNearestNodeIDForLatLon(const int lat, const int lon, NodeCoords<NodeID> * data) const
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{
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KDTreeType::InputPoint i;
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KDTreeType::InputPoint o;
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i.coordinates[0] = lat;
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i.coordinates[1] = lon;
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kdtree->NearestNeighbor(&o, i);
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data->id = o.data;
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data->lat = o.coordinates[0];
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data->lon = o.coordinates[1];
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return data->id;
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}
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private:
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vector<KDTreeType::InputPoint> * int2ExtNodeMap;
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KDTreeType * kdtree;
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};
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//////////////////
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//implementation//
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//////////////////
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/* @brief: initialize kd-tree and internal->external node id map
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*
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*/
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KDTreeType * NodeInformationHelpDesk::initKDTree(ifstream& in)
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{
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NodeID id = 0;
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while(!in.eof())
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{
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NodeInfo b;
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in.read((char *)&b, sizeof(b));
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b.id = id;
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KDTreeType::InputPoint p;
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p.coordinates[0] = b.lat;
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p.coordinates[1] = b.lon;
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p.data = id;
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int2ExtNodeMap->push_back(p);
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id++;
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}
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in.close();
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kdtree = new KDTreeType(int2ExtNodeMap);
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return kdtree;
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}
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NodeID NodeInformationHelpDesk::getExternalNodeID(const NodeID node)
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{
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return int2ExtNodeMap->at(node).data;
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}
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void NodeInformationHelpDesk::getExternalNodeInfo(const NodeID node, NodeInfo * info) const
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{
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info->id = int2ExtNodeMap->at(node).data;
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info->lat = int2ExtNodeMap->at(node).coordinates[0];
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info->lon = int2ExtNodeMap->at(node).coordinates[1];
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}
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int NodeInformationHelpDesk::getLatitudeOfNode(const NodeID node) const
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{
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return int2ExtNodeMap->at(node).coordinates[0];
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}
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int NodeInformationHelpDesk::getLongitudeOfNode(const NodeID node) const
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{
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return int2ExtNodeMap->at(node).coordinates[1];
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}
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#endif /*NODEINFORMATIONHELPDESK_H_*/
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