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osrm-backend/Plugins/RoutePlugin.h

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/*
open source routing machine
Copyright (C) Dennis Luxen, others 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.
*/
#ifndef ROUTEPLUGIN_H_
#define ROUTEPLUGIN_H_
#include <fstream>
#include <sstream>
#include <string>
#include <vector>
#include "BasePlugin.h"
#include "../DataStructures/StaticGraph.h"
#include "../DataStructures/SearchEngine.h"
#include "../Util/GraphLoader.h"
#include "../Util/StrIngUtil.h"
typedef ContractionCleanup::Edge::EdgeData EdgeData;
typedef StaticGraph<EdgeData>::InputEdge InputEdge;
class RoutePlugin : public BasePlugin {
public:
RoutePlugin(std::string hsgrPath, std::string ramIndexPath, std::string fileIndexPath, std::string nodesPath, std::string namesPath) {
//Init nearest neighbor data structure
nodeHelpDesk = new NodeInformationHelpDesk(ramIndexPath.c_str(), fileIndexPath.c_str());
ifstream nodesInStream(nodesPath.c_str(), ios::binary);
ifstream hsgrInStream(hsgrPath.c_str(), ios::binary);
nodeHelpDesk->initNNGrid(nodesInStream);
//Deserialize road network graph
std::vector< InputEdge> * edgeList = new std::vector< InputEdge>();
readHSGRFromStream(hsgrInStream, edgeList);
hsgrInStream.close();
graph = new StaticGraph<EdgeData>(nodeHelpDesk->getNumberOfNodes()-1, *edgeList);
delete edgeList;
//deserialize street name list
ifstream namesInStream(namesPath.c_str(), ios::binary);
unsigned size = 0;
namesInStream.read((char *)&size, sizeof(unsigned));
names = new std::vector<std::string>();
//init complete search engine
sEngine = new SearchEngine<EdgeData, StaticGraph<EdgeData> >(graph, nodeHelpDesk, names);
}
~RoutePlugin() {
delete names;
delete sEngine;
delete graph;
delete nodeHelpDesk;
}
std::string GetDescriptor() { return std::string("route"); }
std::string GetVersionString() { return std::string("0.2a (DL)"); }
void HandleRequest(std::vector<std::string> parameters, http::Reply& reply) {
//check number of parameters
if(parameters.size() != 4) {
reply = http::Reply::stockReply(http::Reply::badRequest);
return;
}
int lat1 = static_cast<int>(100000.*atof(parameters[0].c_str()));
int lon1 = static_cast<int>(100000.*atof(parameters[1].c_str()));
int lat2 = static_cast<int>(100000.*atof(parameters[2].c_str()));
int lon2 = static_cast<int>(100000.*atof(parameters[3].c_str()));
if(lat1>90*100000 || lat1 <-90*100000 || lon1>180*100000 || lon1 <-180*100000) {
reply = http::Reply::stockReply(http::Reply::badRequest);
return;
}
if(lat2>90*100000 || lat2 <-90*100000 || lon2>180*100000 || lon2 <-180*100000) {
reply = http::Reply::stockReply(http::Reply::badRequest);
return;
}
_Coordinate startCoord(lat1, lon1);
_Coordinate targetCoord(lat2, lon2);
vector< _PathData > * path = new vector< _PathData >();
PhantomNodes * phantomNodes = new PhantomNodes();
sEngine->FindRoutingStarts(startCoord, targetCoord, phantomNodes);
unsigned int distance = sEngine->ComputeRoute(phantomNodes, path, startCoord, targetCoord);
reply.status = http::Reply::ok;
string tmp;
reply.content += ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
reply.content += ("<kml xmlns=\"http://www.opengis.net/kml/2.2\">");
reply.content += ("<Document>");
/* if(distance != std::numeric_limits<unsigned int>::max())
computeDescription(tmp, path, phantomNodes);
cout << tmp << endl;
*/
// reply.content += tmp;
reply.content += ("<Placemark>");
reply.content += ("<name>OSM Routing Engine (c) Dennis Luxen and others </name>");
reply.content += "<description>Route from ";
convertLatLon(lat1, tmp);
reply.content += tmp;
reply.content += ",";
convertLatLon(lon1, tmp);
reply.content += tmp;
reply.content += " to ";
convertLatLon(lat2, tmp);
reply.content += tmp;
reply.content += ",";
convertLatLon(lon2, tmp);
reply.content += tmp;
reply.content += "</description> ";
reply.content += ("<LineString>");
reply.content += ("<extrude>1</extrude>");
reply.content += ("<tessellate>1</tessellate>");
reply.content += ("<altitudeMode>absolute</altitudeMode>");
reply.content += ("<coordinates>");
if(distance != std::numeric_limits<unsigned int>::max())
{ //A route has been found
convertLatLon(phantomNodes->startCoord.lon, tmp);
reply.content += tmp;
reply.content += (",");
doubleToString(phantomNodes->startCoord.lat/100000., tmp);
reply.content += tmp;
reply.content += (" ");
_Coordinate result;
for(vector< _PathData >::iterator it = path->begin(); it != path->end(); it++)
{
sEngine->getNodeInfo(it->node, result);
convertLatLon(result.lon, tmp);
reply.content += tmp;
reply.content += (",");
convertLatLon(result.lat, tmp);
reply.content += tmp;
reply.content += (" ");
}
convertLatLon(phantomNodes->targetCoord.lon, tmp);
reply.content += tmp;
reply.content += (",");
convertLatLon(phantomNodes->targetCoord.lat, tmp);
reply.content += tmp;
}
reply.content += ("</coordinates>");
reply.content += ("</LineString>");
reply.content += ("</Placemark>");
reply.content += ("</Document>");
reply.content += ("</kml>");
reply.headers.resize(3);
reply.headers[0].name = "Content-Length";
intToString(reply.content.size(), tmp);
reply.headers[0].value = tmp;
reply.headers[1].name = "Content-Type";
reply.headers[1].value = "application/vnd.google-earth.kml+xml";
reply.headers[2].name = "Content-Disposition";
reply.headers[2].value = "attachment; filename=\"route.kml\"";
delete path;
delete phantomNodes;
return;
}
private:
// void computeDescription(string &tmp, vector< _PathData > * path, PhantomNodes * phantomNodes)
// {
// _Coordinate previous(phantomNodes->startCoord.lat, phantomNodes->startCoord.lon);
// _Coordinate next, current, lastPlace;
// stringstream numberString;
//
// double tempDist = 0;
// NodeID nextID = UINT_MAX;
// NodeID nameID = sEngine->GetNameIDForOriginDestinationNodeID(phantomNodes->startNode1, phantomNodes->startNode2);
// short type = sEngine->GetTypeOfEdgeForOriginDestinationNodeID(phantomNodes->startNode1, phantomNodes->startNode2);
// lastPlace.lat = phantomNodes->startCoord.lat;
// lastPlace.lon = phantomNodes->startCoord.lon;
// short nextType = SHRT_MAX;
// short prevType = SHRT_MAX;
// tmp += "<Placemark>\n <Name>";
// for(vector< _PathData >::iterator it = path->begin(); it != path->end(); it++)
// {
// sEngine->getNodeInfo(it->node, current);
// if(it==path->end()-1){
// next = _Coordinate(phantomNodes->targetCoord.lat, phantomNodes->targetCoord.lon);
// nextID = sEngine->GetNameIDForOriginDestinationNodeID(phantomNodes->targetNode1, phantomNodes->targetNode2);
// nextType = sEngine->GetTypeOfEdgeForOriginDestinationNodeID(phantomNodes->targetNode1, phantomNodes->targetNode2);
// } else {
// sEngine->getNodeInfo((it+1)->node, next);
// nextID = sEngine->GetNameIDForOriginDestinationNodeID(it->node, (it+1)->node);
// nextType = sEngine->GetTypeOfEdgeForOriginDestinationNodeID(it->node, (it+1)->node);
// }
// if(nextID == nameID) {
// tempDist += ApproximateDistance(previous.lat, previous.lon, current.lat, current.lon);
// } else {
// if(type == 0 && prevType != 0)
// tmp += "enter motorway and ";
// if(type != 0 && prevType == 0 )
// tmp += "leave motorway and ";
//
// double angle = GetAngleBetweenTwoEdges(previous, current, next);
//// if(it->turn)
//// tmp += " turn! ";
// tmp += "follow road ";
// if(nameID != 0)
// tmp += sEngine->GetNameForNameID(nameID);
// tmp += " (type: ";
// numberString << type;
// tmp += numberString.str();
// numberString.str("");
// tmp += ", id: ";
// numberString << nameID;
// tmp += numberString.str();
// numberString.str("");
// tmp += ")</Name>\n <Description>drive for ";
// numberString << ApproximateDistance(previous.lat, previous.lon, current.lat, current.lon)+tempDist;
// tmp += numberString.str();
// numberString.str("");
// tmp += "m </Description>";
// string lat; string lon;
// convertLatLon(lastPlace.lon, lon);
// convertLatLon(lastPlace.lat, lat);
// lastPlace = current;
// tmp += "\n <Point><Coordinates>";
// tmp += lon;
// tmp += ",";
// tmp += lat;
// tmp += "</Coordinates></Point>";
// tmp += "\n</Placemark>\n";
// tmp += "<Placemark>\n <Name> (";
// numberString << angle;
// tmp += numberString.str();
// numberString.str("");
// tmp +=") ";
// if(angle > 160 && angle < 200) {
// tmp += /* " (" << angle << ")*/"drive ahead, ";
// } else if (angle > 290 && angle <= 360) {
// tmp += /*" (" << angle << ")*/ "turn sharp left, ";
// } else if (angle > 230 && angle <= 290) {
// tmp += /*" (" << angle << ")*/ "turn left, ";
// } else if (angle > 200 && angle <= 230) {
// tmp += /*" (" << angle << ") */"bear left, ";
// } else if (angle > 130 && angle <= 160) {
// tmp += /*" (" << angle << ") */"bear right, ";
// } else if (angle > 70 && angle <= 130) {
// tmp += /*" (" << angle << ") */"turn right, ";
// } else {
// tmp += /*" (" << angle << ") */"turn sharp right, ";
// }
// tempDist = 0;
// prevType = type;
// }
// nameID = nextID;
// previous = current;
// type = nextType;
// }
// nameID = sEngine->GetNameIDForOriginDestinationNodeID(phantomNodes->targetNode1, phantomNodes->targetNode2);
// type = sEngine->GetTypeOfEdgeForOriginDestinationNodeID(phantomNodes->targetNode1, phantomNodes->targetNode2);
// tmp += "follow road ";
// tmp += sEngine->GetNameForNameID(nameID);
// tmp += " (type: ";
// numberString << type;
// tmp += numberString.str();
// numberString.str("");
// tmp += ", id: ";
// numberString << nameID;
// tmp += numberString.str();
// numberString.str("");
// tmp += ")</name>\n <Description> drive for ";
// numberString << ApproximateDistance(previous.lat, previous.lon, phantomNodes->targetCoord.lat, phantomNodes->targetCoord.lon) + tempDist;
// tmp += numberString.str();
// numberString.str("");
// tmp += "m</Description>\n ";
// string lat; string lon;
// convertLatLon(lastPlace.lon, lon);
// convertLatLon(lastPlace.lat, lat);
// tmp += "<Point><Coordinates>";
// tmp += lon;
// tmp += ",";
// tmp += lat;
// tmp += "</Coordinates></Point>";
// tmp += "</Placemark>\n";
// tmp += "<Placemark>\n <Name>you have reached your destination</Name>\n ";
// tmp += "<Description>End of Route</Description>";
// convertLatLon(phantomNodes->targetCoord.lon, lon);
// convertLatLon(phantomNodes->targetCoord.lat, lat);
// tmp += "\n <Point><Coordinates>";
// tmp += lon;
// tmp += ",";
// tmp += lat;
// tmp +="</Coordinates></Point>\n";
// tmp += "</Placemark>";
// }
NodeInformationHelpDesk * nodeHelpDesk;
SearchEngine<EdgeData, StaticGraph<EdgeData> > * sEngine;
std::vector<std::string> * names;
StaticGraph<EdgeData> * graph;
};
#endif /* ROUTEPLUGIN_H_ */
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