NIImporter_DlrNavteq.cpp

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/****************************************************************************/
// Importer for networks stored in Elmar's format
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright (C) 2001-2011 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   This program is free software; you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation; either version 2 of the License, or
//   (at your option) any later version.
//
/****************************************************************************/


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include <string>
#include <sstream>
#include <utils/importio/LineHandler.h>
#include <utils/common/StringTokenizer.h>
#include <utils/common/MsgHandler.h>
#include <utils/common/UtilExceptions.h>
#include <utils/common/TplConvert.h>
#include <utils/options/OptionsCont.h>
#include <utils/importio/LineReader.h>
#include <utils/geom/GeoConvHelper.h>
#include <netbuild/NBNetBuilder.h>
#include <netbuild/NBNode.h>
#include <netbuild/NBNodeCont.h>
#include <netbuild/NBEdge.h>
#include <netbuild/NBEdgeCont.h>
#include <netbuild/NBTypeCont.h>
#include <netbuild/NBOwnTLDef.h>
#include <netimport/NINavTeqHelper.h>
#include "NILoader.h"
#include "NIImporter_DlrNavteq.h"


#ifdef CHECK_MEMORY_LEAKS
#include <foreign/nvwa/debug_new.h>
#endif // CHECK_MEMORY_LEAKS


// ===========================================================================
// method definitions
// ===========================================================================
// ---------------------------------------------------------------------------
// static methods
// ---------------------------------------------------------------------------
void
NIImporter_DlrNavteq::loadNetwork(const OptionsCont& oc, NBNetBuilder& nb) {
    // check whether the option is set (properly)
    if (!oc.isSet("dlr-navteq-prefix")) {
        return;
    }
    // parse file(s)
    LineReader lr;
    // load nodes
    std::map<std::string, PositionVector> myGeoms;
    PROGRESS_BEGIN_MESSAGE("Loading nodes");
    std::string file = oc.getString("dlr-navteq-prefix") + "_nodes_unsplitted.txt";
    NodesHandler handler1(nb.getNodeCont(), file, myGeoms);
    if (!lr.setFile(file)) {
        throw ProcessError("The file '" + file + "' could not be opened.");
    }
    lr.readAll(handler1);
    PROGRESS_DONE_MESSAGE();

    // load traffic lights
    file = oc.getString("dlr-navteq-prefix") + "_traffic_signals.txt";
    if (lr.setFile(file)) {
        PROGRESS_BEGIN_MESSAGE("Loading traffic lights");
        TrafficlightsHandler handler3(nb.getNodeCont(), nb.getTLLogicCont(), file);
        lr.readAll(handler3);
        PROGRESS_DONE_MESSAGE();
    }

    // load edges
    PROGRESS_BEGIN_MESSAGE("Loading edges");
    file = oc.getString("dlr-navteq-prefix") + "_links_unsplitted.txt";
    // parse the file
    EdgesHandler handler2(nb.getNodeCont(), nb.getEdgeCont(), file, myGeoms);
    if (!lr.setFile(file)) {
        throw ProcessError("The file '" + file + "' could not be opened.");
    }
    lr.readAll(handler2);
    nb.getEdgeCont().recheckLaneSpread();
    PROGRESS_DONE_MESSAGE();
}


// ---------------------------------------------------------------------------
// definitions of NIImporter_DlrNavteq::NodesHandler-methods
// ---------------------------------------------------------------------------
NIImporter_DlrNavteq::NodesHandler::NodesHandler(NBNodeCont& nc,
        const std::string& file,
        std::map<std::string, PositionVector> &geoms) throw()
    : myNodeCont(nc), myGeoms(geoms) {
    UNUSED_PARAMETER(file);
}


NIImporter_DlrNavteq::NodesHandler::~NodesHandler() throw() {}


bool
NIImporter_DlrNavteq::NodesHandler::report(const std::string& result) throw(ProcessError) {
    if (result[0]=='#') {
        return true;
    }
    std::string id;
    double x, y;
    int no_geoms, intermediate;
    // parse
    std::istringstream stream(result);
    // id
    stream >> id;
    if (stream.fail()) {
        throw ProcessError("Something is wrong with the following data line\n" + result);
    }
    // intermediate?
    stream >> intermediate;
    if (stream.fail()) {
        if (myNodeCont.size() == 0) { // be generous with extra data at beginning of file
            return true;
        }
        throw ProcessError("Non-numerical value for intermediate status in node " + id + ".");
    }
    // number of geometrical information
    stream >> no_geoms;
    if (stream.fail()) {
        throw ProcessError("Non-numerical value for number of geometries in node " + id + ".");
    }
    // geometrical information
    PositionVector geoms;
    for (int i=0; i<no_geoms; i++) {
        stream >> x;
        if (stream.fail()) {
            throw ProcessError("Non-numerical value for x-position in node " + id + ".");
        }
        stream >> y;
        if (stream.fail()) {
            throw ProcessError("Non-numerical value for y-position in node " + id + ".");
        }
        Position pos(x, y);
        if (!NILoader::transformCoordinates(pos, true)) {
            throw ProcessError("Unable to project coordinates for node " + id + ".");
        }
        geoms.push_back(pos);
    }

    if (intermediate==0) {
        NBNode* n = new NBNode(id, geoms[0]);
        if (!myNodeCont.insert(n)) {
            delete n;
            throw ProcessError("Could not add node '" + id + "'.");
        }
    } else {
        myGeoms[id] = geoms;
    }
    return true;
}


// ---------------------------------------------------------------------------
// definitions of NIImporter_DlrNavteq::EdgesHandler-methods
// ---------------------------------------------------------------------------
NIImporter_DlrNavteq::EdgesHandler::EdgesHandler(NBNodeCont& nc, NBEdgeCont& ec,
        const std::string& file,
        std::map<std::string,
        PositionVector> &geoms) throw()
    : myNodeCont(nc), myEdgeCont(ec), myGeoms(geoms) {
    UNUSED_PARAMETER(file);
}


NIImporter_DlrNavteq::EdgesHandler::~EdgesHandler() throw() {}


bool
NIImporter_DlrNavteq::EdgesHandler::report(const std::string& result) throw(ProcessError) {
//  0: LINK_ID  NODE_ID_FROM    NODE_ID_TO  BETWEEN_NODE_ID
//  4: length   vehicle_type    form_of_way brunnel_type
//  7: street_type  speed_category  number_of_lanes average_speed
//  10: NAME_ID1    NAME_ID2    housenumbers_right  housenumbers_left
//  ZIP_CODE    AREA_ID SUBAREA_ID  through_traffic special_restrictions
//  extended_number_of_lanes  isRamp    (these two only exist in networks extracted since 05/2009)
//  connection (this may be omitted)

    if (result[0]=='#') {
        return true;
    }
    std::string id, fromID, toID, interID;
    SUMOReal length;
    SUMOReal speed = (SUMOReal) 30.0 / (SUMOReal) 3.6;
    int nolanes = 1;
    int priority = -1;
    // parse
    StringTokenizer st(result, StringTokenizer::WHITECHARS);
    // id
    id = st.next();
    // from node id
    fromID = st.next();
    // to node id
    toID = st.next();
    // intermediate node id
    interID = st.next();
    // length
    try {
        length = TplConvert<char>::_2SUMOReal(st.next().c_str());
    } catch (NumberFormatException&) {
        throw ProcessError("Non-numerical value for an edge's length occured (edge '" + id + "'.");
    }
    // vehicle_type
    std::string veh_type = st.next();
    // form_of_way
    std::string form_of_way = st.next();
    // brunnel_type
    std::string brunnel_type = st.next();
    // street_type
    std::string street_type = st.next();
    speed = NINavTeqHelper::getSpeed(id, st.next());
    // number of lanes
    nolanes = NINavTeqHelper::getLaneNumber(id, st.next(), speed);
    std::vector<std::string> theRest = st.getVector();
    bool connection = (theRest.size() == 11) && (theRest[10] == "1");
    if (theRest.size() > 11) {
        // post 05/2009 network
        if (theRest[11] != "-1") {
            try {
                nolanes = TplConvert<char>::_2int(theRest[11].c_str());
            } catch (NumberFormatException&) {
                throw ProcessError("Non-numerical value for the extended number of lanes (edge '" + id + "'.");
            }
        }
        connection = (theRest.size() == 13) && (theRest[12] == "1");
    }
    // try to get the nodes
    NBNode* from = myNodeCont.retrieve(fromID);
    NBNode* to = myNodeCont.retrieve(toID);
    if (from==0) {
        throw ProcessError("The from-node '" + fromID + "' of edge '" + id + "' could not be found");
    }
    if (to==0) {
        throw ProcessError("The to-node '" + toID + "' of edge '" + id + "' could not be found");
    }
    // build the edge
    NBEdge* e = 0;
    if (interID=="-1") {
        e = new NBEdge(id, from, to, "", speed, nolanes, priority, -1, -1);
    } else {
        PositionVector geoms = myGeoms[interID];
        if (connection) {
            geoms = geoms.reverse();
            geoms.push_front(from->getPosition());
            geoms.push_back(to->getPosition());
            e = new NBEdge(id, from, to, "", speed, nolanes, priority, -1, -1, geoms, "", LANESPREAD_CENTER);
        } else {
            geoms.push_front(from->getPosition());
            geoms.push_back(to->getPosition());
            e = new NBEdge(id, from, to, "", speed, nolanes, priority, -1, -1, geoms, "", LANESPREAD_CENTER);
        }
    }
    // add vehicle type information to the edge
    NINavTeqHelper::addVehicleClasses(*e, veh_type);
    // insert the edge to the network
    if (!myEdgeCont.insert(e)) {
        delete e;
        throw ProcessError("Could not add edge '" + id + "'.");
    }
    return true;
}


// ---------------------------------------------------------------------------
// definitions of NIImporter_DlrNavteq::TrafficlightsHandler-methods
// ---------------------------------------------------------------------------
NIImporter_DlrNavteq::TrafficlightsHandler::TrafficlightsHandler(NBNodeCont& nc,
        NBTrafficLightLogicCont& tlc,
        const std::string& file) throw()
    : myNodeCont(nc), myTLLogicCont(tlc) {
    UNUSED_PARAMETER(file);
}


NIImporter_DlrNavteq::TrafficlightsHandler::~TrafficlightsHandler() throw() {}


bool
NIImporter_DlrNavteq::TrafficlightsHandler::report(const std::string& result) throw(ProcessError) {
// #ID     POICOL-TYPE     DESCRIPTION     LONGITUDE       LATITUDE        NAVTEQ_LINK_ID  NODEID

    if (result[0]=='#') {
        return true;
    }
    StringTokenizer st(result, StringTokenizer::WHITECHARS);
    std::string nodeID = st.getVector().back();
    NBNode* node = myNodeCont.retrieve(nodeID);
    if (node==0) {
        WRITE_WARNING("The traffic light node '" + nodeID + "' could not be found");
    } else {
        if (node->getType() != NODETYPE_TRAFFIC_LIGHT) {
            node->reinit(node->getPosition(), NODETYPE_TRAFFIC_LIGHT);
            NBTrafficLightDefinition* tlDef = new NBOwnTLDef(nodeID, node);
            if (!myTLLogicCont.insert(tlDef)) {
                // actually, nothing should fail here
                delete tlDef;
                throw ProcessError("Could not allocate tls for '" + nodeID + "'.");
            }
        }
    }
    return true;
}

/****************************************************************************/