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DennisOSRM
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/*
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open source routing machine
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Copyright (C) Dennis Luxen, 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 BASE_DESCRIPTOR_H_
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#define BASE_DESCRIPTOR_H_
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#include <cassert>
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#include <cmath>
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#include <cstdio>
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#include <string>
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#include <vector>
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#include "../typedefs.h"
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#include "../DataStructures/ExtractorStructs.h"
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#include "../DataStructures/HashTable.h"
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#include "../Util/StringUtil.h"
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#include "RawRouteData.h"
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static double areaThresholds[19] = { 5000, 5000, 5000, 5000, 5000, 2500, 2000, 1500, 800, 400, 250, 150, 100, 75, 25, 20, 10, 5, 0 };
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/* Get angle of line segment (A,C)->(C,B), atan2 magic, formerly cosine theorem*/
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static double GetAngleBetweenTwoEdges(const _Coordinate& A, const _Coordinate& C, const _Coordinate& B) {
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int v1x = A.lon - C.lon;
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int v1y = A.lat - C.lat;
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int v2x = B.lon - C.lon;
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int v2y = B.lat - C.lat;
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double angle = (atan2((double)v2y,v2x) - atan2((double)v1y,v1x) )*180/M_PI;
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while(angle < 0)
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angle += 360;
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return angle;
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}
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struct _RouteSummary {
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std::string lengthString;
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std::string durationString;
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std::string startName;
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std::string destName;
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_RouteSummary() : lengthString("0"), durationString("0"), startName("unknown street"), destName("unknown street") {}
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void BuildDurationAndLengthStrings(double distance, unsigned time) {
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//compute distance/duration for route summary
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std::ostringstream s;
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s << 10*(round(distance/10.));
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lengthString = s.str();
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int travelTime = time/10 + 1;
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s.str("");
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s << travelTime;
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durationString = s.str();
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}
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};
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struct _DescriptorConfig {
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_DescriptorConfig() : instructions(true), geometry(true), encodeGeometry(false), z(18) {}
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bool instructions;
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bool geometry;
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bool encodeGeometry;
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unsigned short z;
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};
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template<class SearchEngineT>
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class BaseDescriptor {
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public:
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BaseDescriptor() { }
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//Maybe someone can explain the pure virtual destructor thing to me (dennis)
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virtual ~BaseDescriptor() { }
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virtual void Run(http::Reply & reply, RawRouteData &rawRoute, PhantomNodes &phantomNodes, SearchEngineT &sEngine, unsigned distance) = 0;
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virtual void SetConfig(const _DescriptorConfig & config) = 0;
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};
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#endif /* BASE_DESCRIPTOR_H_ */
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@ -1,67 +0,0 @@
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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 GPX_DESCRIPTOR_H_
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#define GPX_DESCRIPTOR_H_
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#include <boost/foreach.hpp>
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#include "BaseDescriptor.h"
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template<class SearchEngineT>
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class GPXDescriptor : public BaseDescriptor<SearchEngineT>{
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private:
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_DescriptorConfig config;
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_Coordinate current;
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std::string tmp;
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public:
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void SetConfig(const _DescriptorConfig& c) { config = c; }
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void Run(http::Reply & reply, RawRouteData &rawRoute, PhantomNodes &phantomNodes, SearchEngineT &sEngine, unsigned distance) {
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reply.content += ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
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reply.content += "<gpx xmlns=\"http://www.topografix.com/GPX/1/1\" "
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"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
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"xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 gpx.xsd"
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"\">";
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reply.content += "<rte>";
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if(distance != UINT_MAX && rawRoute.routeSegments.size()) {
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convertInternalLatLonToString(phantomNodes.startPhantom.location.lat, tmp);
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reply.content += "<rtept lat=\"" + tmp + "\" ";
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convertInternalLatLonToString(phantomNodes.startPhantom.location.lon, tmp);
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reply.content += "lon=\"" + tmp + "\"></rtept>";
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for(unsigned segmentIdx = 0; segmentIdx < rawRoute.routeSegments.size(); segmentIdx++) {
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BOOST_FOREACH(_PathData pathData, rawRoute.routeSegments[segmentIdx]) {
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sEngine.GetCoordinatesForNodeID(pathData.node, current);
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convertInternalLatLonToString(current.lat, tmp);
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reply.content += "<rtept lat=\"" + tmp + "\" ";
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convertInternalLatLonToString(current.lon, tmp);
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reply.content += "lon=\"" + tmp + "\"></rtept>";
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}
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}
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convertInternalLatLonToString(phantomNodes.targetPhantom.location.lat, tmp);
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reply.content += "<rtept lat=\"" + tmp + "\" ";
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convertInternalLatLonToString(phantomNodes.targetPhantom.location.lon, tmp);
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reply.content += "lon=\"" + tmp + "\"></rtept>";
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}
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reply.content += "</rte></gpx>";
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}
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};
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#endif /* GPX_DESCRIPTOR_H_ */
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@ -1,154 +0,0 @@
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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 JSON_DESCRIPTOR_H_
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#define JSON_DESCRIPTOR_H_
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#include <boost/foreach.hpp>
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#include "BaseDescriptor.h"
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#include "../DataStructures/DescriptionFactory.h"
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#include "../DataStructures/SegmentInformation.h"
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#include "../DataStructures/TurnInstructions.h"
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#include "../Util/StringUtil.h"
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template<class SearchEngineT>
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class JSONDescriptor : public BaseDescriptor<SearchEngineT>{
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private:
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_DescriptorConfig config;
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_RouteSummary summary;
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DescriptionFactory descriptionFactory;
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std::string tmp;
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_Coordinate current;
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public:
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JSONDescriptor() {}
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void SetConfig(const _DescriptorConfig & c) { config = c; }
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void Run(http::Reply & reply, RawRouteData &rawRoute, PhantomNodes &phantomNodes, SearchEngineT &sEngine, unsigned durationOfTrip) {
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WriteHeaderToOutput(reply.content);
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//We do not need to do much, if there is no route ;-)
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if(durationOfTrip != INT_MAX && rawRoute.routeSegments.size() > 0) {
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summary.startName = sEngine.GetEscapedNameForNameID(phantomNodes.startPhantom.nodeBasedEdgeNameID);
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descriptionFactory.SetStartSegment(phantomNodes.startPhantom);
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summary.destName = sEngine.GetEscapedNameForNameID(phantomNodes.targetPhantom.nodeBasedEdgeNameID);
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reply.content += "0,"
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"\"status_message\": \"Found route between points\",";
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for(unsigned segmentIdx = 0; segmentIdx < rawRoute.routeSegments.size(); segmentIdx++) {
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const std::vector< _PathData > & path = rawRoute.routeSegments[segmentIdx];
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BOOST_FOREACH(_PathData pathData, path) {
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sEngine.GetCoordinatesForNodeID(pathData.node, current);
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descriptionFactory.AppendSegment(current, pathData );
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}
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//TODO: Add via points
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}
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descriptionFactory.SetEndSegment(phantomNodes.targetPhantom);
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} else {
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//no route found
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reply.content += "207,"
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"\"status_message\": \"Cannot find route between points\",";
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}
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summary.BuildDurationAndLengthStrings(descriptionFactory.Run(), durationOfTrip);
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reply.content += "\"route_summary\": {"
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"\"total_distance\":";
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reply.content += summary.lengthString;
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reply.content += ","
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"\"total_time\":";
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reply.content += summary.durationString;
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reply.content += ","
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"\"start_point\":\"";
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reply.content += summary.startName;
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reply.content += "\","
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"\"end_point\":\"";
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reply.content += summary.destName;
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reply.content += "\"";
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reply.content += "},";
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reply.content += "\"route_geometry\": ";
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if(config.geometry) {
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if(config.encodeGeometry)
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descriptionFactory.AppendEncodedPolylineString(reply.content, config.encodeGeometry);
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} else {
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reply.content += "[]";
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}
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reply.content += ","
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"\"route_instructions\": [";
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if(config.instructions) {
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unsigned prefixSumOfNecessarySegments = 0;
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std::string tmpDist, tmpLength, tmp;
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//Fetch data from Factory and generate a string from it.
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BOOST_FOREACH(SegmentInformation segment, descriptionFactory.pathDescription) {
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//["instruction","streetname",length,position,time,"length","earth_direction",azimuth]
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if(0 != segment.turnInstruction) {
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if(0 != prefixSumOfNecessarySegments)
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reply.content += ",";
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reply.content += "[\"";
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reply.content += TurnInstructions.TurnStrings[segment.turnInstruction];
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reply.content += "\",\"";
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reply.content += sEngine.GetEscapedNameForNameID(segment.nameID);
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reply.content += "\",";
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intToString(segment.length, tmpDist);
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reply.content += tmpDist;
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reply.content += ",";
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intToString(prefixSumOfNecessarySegments, tmpLength);
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reply.content += tmpLength;
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reply.content += ",";
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intToString(segment.duration, tmp);
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reply.content += ",\"";
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reply.content += tmpLength;
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//TODO: fix heading
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reply.content += "\",\"NE\",22.5";
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reply.content += "]";
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}
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if(segment.necessary)
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++prefixSumOfNecessarySegments;
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}
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// descriptionFactory.AppendRouteInstructionString(reply.content);
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}
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reply.content += "],";
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//list all viapoints so that the client may display it
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reply.content += "\"via_points\":[";
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for(unsigned segmentIdx = 1; (true == config.geometry) && (segmentIdx < rawRoute.segmentEndCoordinates.size()); segmentIdx++) {
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if(segmentIdx > 1)
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reply.content += ",";
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reply.content += "[";
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if(rawRoute.segmentEndCoordinates[segmentIdx].startPhantom.location.isSet())
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convertInternalReversedCoordinateToString(rawRoute.segmentEndCoordinates[segmentIdx].startPhantom.location, tmp);
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else
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convertInternalReversedCoordinateToString(rawRoute.rawViaNodeCoordinates[segmentIdx], tmp);
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reply.content += tmp;
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reply.content += "]";
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}
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reply.content += "],"
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"\"transactionId\": \"OSRM Routing Engine JSON Descriptor (v0.2)\"";
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reply.content += "}";
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}
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void WriteHeaderToOutput(std::string & output) {
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output += "{"
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"\"version\": 0.3,"
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"\"status\":";
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}
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};
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#endif /* JSON_DESCRIPTOR_H_ */
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