コード例 #1
0
QVector<GeoDataPlacemark*> GosmoreRunnerPrivate::parseGosmoreInstructions( const QByteArray &content )
{
    // Determine gosmore version
    QStringList lines = QString::fromUtf8(content).split(QLatin1Char('\r'));
    if ( lines.size() > 2 ) {
        const QStringList fields = lines.at(lines.size()-2).split(QLatin1Char(','));
        m_parser.setFieldIndex( WaypointParser::RoadName, fields.size()-1 );
        if ( fields.size() < 5 || fields.size() > 6 ) {
            // Can happen when gosmore changes the output format, returns garbage
            // or the last street name contains a comma. We may still parse it correctly, just try.
            mDebug() << "Unexpected number of fields. This gosmore version may be unsupported.";
        }
    }

    QVector<GeoDataPlacemark*> result;
    QTextStream stream( content );
    stream.setCodec("UTF8");
    stream.setAutoDetectUnicode( true );

    RoutingInstructions directions = InstructionTransformation::process( m_parser.parse( stream ) );
    for( int i=0; i<directions.size(); ++i ) {
        GeoDataPlacemark* placemark = new GeoDataPlacemark( directions[i].instructionText() );
        GeoDataExtendedData extendedData;
        GeoDataData turnType;
        turnType.setName(QStringLiteral("turnType"));
        turnType.setValue( qVariantFromValue<int>( int( directions[i].turnType() ) ) );
        extendedData.addValue( turnType );
        GeoDataData roadName;
        roadName.setName(QStringLiteral("roadName"));
        roadName.setValue( directions[i].roadName() );
        extendedData.addValue( roadName );
        placemark->setExtendedData( extendedData );
        Q_ASSERT( !directions[i].points().isEmpty() );
        GeoDataLineString* geometry = new GeoDataLineString;
        QVector<RoutingWaypoint> items = directions[i].points();
        for (int j=0; j<items.size(); ++j ) {
            RoutingPoint point = items[j].point();
            GeoDataCoordinates coordinates( point.lon(), point.lat(), 0.0, GeoDataCoordinates::Degree );
            geometry->append( coordinates );
        }
        placemark->setGeometry( geometry );
        result.push_back( placemark );
    }

    return result;
}
コード例 #2
0
ファイル: MapQuestRunner.cpp プロジェクト: abhgangwar/marble
GeoDataDocument* MapQuestRunner::parse( const QByteArray &content ) const
{
    QDomDocument xml;
    if ( !xml.setContent( content ) ) {
        mDebug() << "Cannot parse xml file with routing instructions.";
        return 0;
    }

    // mDebug() << xml.toString(2);
    QDomElement root = xml.documentElement();

    GeoDataDocument* result = new GeoDataDocument();
    result->setName( "MapQuest" );
    GeoDataPlacemark* routePlacemark = new GeoDataPlacemark;
    routePlacemark->setName( "Route" );

    GeoDataLineString* routeWaypoints = new GeoDataLineString;
    QDomNodeList shapePoints = root.elementsByTagName( "shapePoints" );
    if ( shapePoints.size() == 1 ) {
        QDomNodeList geometry = shapePoints.at( 0 ).toElement().elementsByTagName( "latLng" );
        for ( int i=0; i<geometry.size(); ++i ) {
            double const lat = geometry.item( i ).namedItem( "lat" ).toElement().text().toDouble();
            double const lon = geometry.item( i ).namedItem( "lng" ).toElement().text().toDouble();
            GeoDataCoordinates const position( lon, lat, 0.0, GeoDataCoordinates::Degree );
            routeWaypoints->append( position );
        }
    }
    routePlacemark->setGeometry( routeWaypoints );

    QTime time;
    time = time.addSecs( root.elementsByTagName( "time" ).at( 0 ).toElement().text().toInt() );
    qreal length = routeWaypoints->length( EARTH_RADIUS );
    const QString name = nameString( "MQ", length, time );
    const GeoDataExtendedData data = routeData( length, time );
    routePlacemark->setExtendedData( data );
    result->setName( name );
    result->append( routePlacemark );

    QMap<int,int> mapping;
    QDomNodeList maneuvers = root.elementsByTagName( "maneuverIndexes" );
    if ( maneuvers.size() == 1 ) {
        maneuvers = maneuvers.at( 0 ).childNodes();
        for ( int i=0; i<maneuvers.size(); ++i ) {
            mapping[i] = maneuvers.at( i ).toElement().text().toInt();
            if ( mapping[i] == routeWaypoints->size() ) {
                --mapping[i];
            }
        }
    }

    QDomNodeList instructions = root.elementsByTagName( "maneuver" );
    unsigned int const lastInstruction = qMax<int>( 0, instructions.length()-1 ); // ignore the last 'Welcome to xy' instruction
    for ( unsigned int i = 0; i < lastInstruction; ++i ) {
        QDomElement node = instructions.item( i ).toElement();

        QDomNodeList maneuver = node.elementsByTagName( "turnType" );
        QDomNodeList textNodes = node.elementsByTagName( "narrative" );
        QDomNodeList points = node.elementsByTagName( "startPoint" );
        QDomNodeList streets = node.elementsByTagName( "streets" );

        Q_ASSERT( mapping.contains( i ) );
        if ( textNodes.size() == 1 && maneuver.size() == 1 && points.size() == 1 && mapping.contains( i ) ) {
            GeoDataPlacemark* instruction = new GeoDataPlacemark;
            instruction->setName( textNodes.at( 0 ).toElement().text() );

            GeoDataExtendedData extendedData;
            GeoDataData turnType;
            turnType.setName( "turnType" );
            turnType.setValue( maneuverType( maneuver.at( 0 ).toElement().text().toInt() ) );
            extendedData.addValue( turnType );
            if ( streets.size() == 1 ) {
                GeoDataData roadName;
                roadName.setName( "roadName" );
                roadName.setValue( streets.at( 0 ).toElement().text() );
                extendedData.addValue( roadName );
            }
            instruction->setExtendedData( extendedData );

            int const start = mapping[i];
            int const end = mapping.contains(i+1) ? mapping[i+1] : routeWaypoints->size()-1;
            if ( start >= 0 && start < routeWaypoints->size() && end < routeWaypoints->size() ) {
                instruction->setName( textNodes.item( 0 ).toElement().text() );
                GeoDataLineString *lineString = new GeoDataLineString;
                for ( int j=start; j<=end; ++j ) {
                    *lineString << GeoDataCoordinates( routeWaypoints->at( j ).longitude(), routeWaypoints->at( j ).latitude() );
                }

                if ( !lineString->isEmpty() ) {
                    instruction->setGeometry( lineString );
                    result->append( instruction );
                }
            }
        }
    }

    if ( routeWaypoints->size() < 1 ) {
        delete result;
        result = 0;
    }

    return result;
}
コード例 #3
0
ファイル: MonavRunner.cpp プロジェクト: KDE/marble
int MonavRunnerPrivate::retrieveRoute( const Marble::RouteRequest* route, QVector< Marble::GeoDataPlacemark* >* instructions, Marble::GeoDataLineString* geometry ) const
{
    RoutingResult reply;
    if ( retrieveData( route, &reply ) ) {
        /** @todo: make use of reply.seconds, the estimated travel time */
        for ( int i = 0; i < reply.pathNodes.size(); ++i ) {
            qreal lon = reply.pathNodes[i].longitude;
            qreal lat = reply.pathNodes[i].latitude;
            GeoDataCoordinates coordinates( lon, lat, 0, GeoDataCoordinates::Degree );
            geometry->append( coordinates );
        }

        RoutingWaypoints waypoints;
        int k = 0;
        for ( int i = 0; i < reply.pathEdges.size(); ++i ) {
            QString road = reply.nameStrings[reply.pathEdges[i].name];
            QString type = reply.typeStrings[reply.pathEdges[i].type];
            RoutingWaypoint::JunctionType junction = RoutingWaypoint::Other;
            if (type == QLatin1String("roundabout") && reply.pathEdges[i].branchingPossible) {
                junction = RoutingWaypoint::Roundabout;
            }
            for ( unsigned int l = 0; l < reply.pathEdges[i].length; ++k, ++l ) {
                qreal lon = reply.pathNodes[k].longitude;
                qreal lat = reply.pathNodes[k].latitude;
                RoutingPoint point( lon, lat );
                bool const last = l == reply.pathEdges[i].length - 1;
                RoutingWaypoint::JunctionType finalJunction = last ? junction : ( reply.pathEdges[i].branchingPossible ? RoutingWaypoint::Other : RoutingWaypoint::None );
                RoutingWaypoint waypoint( point, finalJunction, "", type, -1, road );
                waypoints.push_back( waypoint );
            }
        }

        RoutingInstructions directions = InstructionTransformation::process( waypoints );
        for ( int i = 0; i < directions.size(); ++i ) {
            GeoDataPlacemark* placemark = new GeoDataPlacemark( directions[i].instructionText() );
            GeoDataExtendedData extendedData;
            GeoDataData turnType;
            turnType.setName(QStringLiteral("turnType"));
            turnType.setValue( qVariantFromValue<int>( int( directions[i].turnType() ) ) );
            extendedData.addValue( turnType );
            GeoDataData roadName;
            roadName.setName(QStringLiteral("roadName"));
            roadName.setValue( directions[i].roadName() );
            extendedData.addValue( roadName );
            placemark->setExtendedData( extendedData );
            Q_ASSERT( !directions[i].points().isEmpty() );
            GeoDataLineString* geometry = new GeoDataLineString;
            QVector<RoutingWaypoint> items = directions[i].points();
            for ( int j = 0; j < items.size(); ++j ) {
                RoutingPoint point = items[j].point();
                GeoDataCoordinates coordinates( point.lon(), point.lat(), 0.0, GeoDataCoordinates::Degree );
                geometry->append( coordinates );
            }
            placemark->setGeometry( geometry );
            instructions->push_back( placemark );
        }
        int duration = (int) reply.seconds;
        return duration;
    }
    return 0;
}
コード例 #4
0
GeoDataDocument* OpenRouteServiceRunner::parse( const QByteArray &content ) const
{
    QDomDocument xml;
    if ( !xml.setContent( content ) ) {
        mDebug() << "Cannot parse xml file with routing instructions.";
        return nullptr;
    }

    QDomElement root = xml.documentElement();

    GeoDataDocument* result = new GeoDataDocument();
    result->setName(QStringLiteral("OpenRouteService"));

    QDomNodeList errors = root.elementsByTagName(QStringLiteral("xls:Error"));
    if ( errors.size() > 0 ) {
        return nullptr;
        // Returning early because fallback routing providers are used now
        // The code below can be used to parse OpenGis errors reported by ORS
        // and may be useful in the future

        for (int i=0 ; i < errors.length(); ++i ) {
            QDomNode node = errors.item( i );
            QString errorMessage = node.attributes().namedItem(QStringLiteral("message")).nodeValue();
            QRegExp regexp = QRegExp( "^(.*) Please Check your Position: (-?[0-9]+.[0-9]+) (-?[0-9]+.[0-9]+) !" );
            if ( regexp.indexIn( errorMessage ) == 0 ) {
                if ( regexp.capturedTexts().size() == 4 ) {
                    GeoDataPlacemark* placemark = new GeoDataPlacemark;
                    placemark->setName( regexp.capturedTexts().at( 1 ) );
                    GeoDataCoordinates position;
                    position.setLongitude( regexp.capturedTexts().at( 2 ).toDouble(), GeoDataCoordinates::Degree );
                    position.setLatitude( regexp.capturedTexts().at( 3 ).toDouble(), GeoDataCoordinates::Degree );
                    placemark->setCoordinate( position );
                    result->append( placemark );
                }
            } else {
                mDebug() << "Error message " << errorMessage << " not parsable.";
                /** @todo: How to handle this now with plugins? */
//                QString message = tr( "Sorry, a problem occurred when calculating the route. Try adjusting start and destination points." );
//                QPointer<QMessageBox> messageBox = new QMessageBox( QMessageBox::Warning, "Route Error", message );
//                messageBox->setDetailedText( errorMessage );
//                messageBox->exec();
//                delete messageBox;
            }
        }
    }

    GeoDataPlacemark* routePlacemark = new GeoDataPlacemark;
    routePlacemark->setName(QStringLiteral("Route"));
    QTime time;
    QDomNodeList summary = root.elementsByTagName(QStringLiteral("xls:RouteSummary"));
    if ( summary.size() > 0 ) {
        QDomNodeList timeNodeList = summary.item(0).toElement().elementsByTagName(QStringLiteral("xls:TotalTime"));
        if ( timeNodeList.size() == 1 ) {
            QRegExp regexp = QRegExp( "^P(?:(\\d+)D)?T(?:(\\d+)H)?(?:(\\d+)M)?(\\d+)S" );
            if ( regexp.indexIn( timeNodeList.item( 0 ).toElement().text() ) == 0 ) {
                QStringList matches = regexp.capturedTexts();
                unsigned int hours( 0 ), minutes( 0 ), seconds( 0 );
                switch ( matches.size() ) {
                case 5:
                    // days    = regexp.cap( matches.size() - 4 ).toInt();
                    // Intentionally no break
                case 4:
                    hours   = regexp.cap( matches.size() - 3 ).toInt();
                    // Intentionally no break
                case 3:
                    minutes = regexp.cap( matches.size() - 2 ).toInt();
                    // Intentionally no break
                case 2:
                    seconds = regexp.cap( matches.size() - 1 ).toInt();
                    break;
                default:
                    mDebug() << "Unable to parse time string " << timeNodeList.item( 0 ).toElement().text();
                }

                time = QTime( hours, minutes, seconds, 0 );
            }
        }
    }

    GeoDataLineString* routeWaypoints = new GeoDataLineString;
    QDomNodeList geometry = root.elementsByTagName(QStringLiteral("xls:RouteGeometry"));
    if ( geometry.size() > 0 ) {
        QDomNodeList waypoints = geometry.item( 0 ).toElement().elementsByTagName( "gml:pos" );
        for (int i=0 ; i < waypoints.length(); ++i ) {
            QDomNode node = waypoints.item( i );
            const QStringList content = node.toElement().text().split(QLatin1Char(' '));
            if ( content.length() == 2 ) {
                GeoDataCoordinates position;
                position.setLongitude( content.at( 0 ).toDouble(), GeoDataCoordinates::Degree );
                position.setLatitude( content.at( 1 ).toDouble(), GeoDataCoordinates::Degree );
                routeWaypoints->append( position );
            }
        }
    }
    routePlacemark->setGeometry( routeWaypoints );

    qreal length = routeWaypoints->length( EARTH_RADIUS );
    const QString name = nameString( "ORS", length, time );
    const GeoDataExtendedData data = routeData( length, time );
    routePlacemark->setExtendedData( data );
    result->setName( name );

    result->append( routePlacemark );

    QDomNodeList instructionList = root.elementsByTagName(QStringLiteral("xls:RouteInstructionsList"));
    if ( instructionList.size() > 0 ) {
        QDomNodeList instructions = instructionList.item(0).toElement().elementsByTagName(QStringLiteral("xls:RouteInstruction"));
        for (int i=0 ; i < instructions.length(); ++i ) {
            QDomElement node = instructions.item( i ).toElement();

            QDomNodeList textNodes = node.elementsByTagName(QStringLiteral("xls:Instruction"));
            QDomNodeList positions = node.elementsByTagName(QStringLiteral("gml:pos"));

            if ( textNodes.size() > 0 && positions.size() > 0 ) {
                const QStringList content = positions.at(0).toElement().text().split(QLatin1Char(' '));
                if ( content.length() == 2 ) {
                    GeoDataLineString *lineString = new GeoDataLineString;

                    for( int i = 0; i < positions.count(); ++i ) {
                         const QStringList pointList = positions.at(i).toElement().text().split(QLatin1Char(' '));
                         GeoDataCoordinates position;
                         position.setLongitude( pointList.at( 0 ).toDouble(), GeoDataCoordinates::Degree );
                         position.setLatitude( pointList.at( 1 ).toDouble(), GeoDataCoordinates::Degree );
                         lineString->append( position );
                    }

                    GeoDataPlacemark* instruction = new GeoDataPlacemark;

                    QString const text = textNodes.item( 0 ).toElement().text().remove(QRegExp("<[^>]*>"));
                    GeoDataExtendedData extendedData;
                    GeoDataData turnTypeData;
                    turnTypeData.setName(QStringLiteral("turnType"));
                    QString road;
                    RoutingInstruction::TurnType turnType = parseTurnType( text, &road );
                    turnTypeData.setValue( turnType );
                    extendedData.addValue( turnTypeData );
                    if ( !road.isEmpty() ) {
                        GeoDataData roadName;
                        roadName.setName(QStringLiteral("roadName"));
                        roadName.setValue( road );
                        extendedData.addValue( roadName );
                    }

                    QString const instructionText = turnType == RoutingInstruction::Unknown ? text : RoutingInstruction::generateRoadInstruction( turnType, road );
                    instruction->setName( instructionText );
                    instruction->setExtendedData( extendedData );
                    instruction->setGeometry( lineString );
                    result->append( instruction );
                }
            }
        }
    }

    return result;
}
コード例 #5
0
GeoDataDocument *CycleStreetsRunner::parse( const QByteArray &content ) const
{
    QDomDocument xml;
    if ( !xml.setContent( content ) ) {
        mDebug() << "Cannot parse xml file with routing instructions.";
        return 0;
    }
    GeoDataDocument *result = new GeoDataDocument();
    result->setName( "CycleStreets" );
    GeoDataPlacemark *routePlacemark = new GeoDataPlacemark;
    routePlacemark->setName( "Route" );

    GeoDataLineString *routeWaypoints = new GeoDataLineString;
    QDomNodeList features = xml.elementsByTagName( "gml:featureMember" );

    if ( features.isEmpty() ) {
        return 0;
    }
    QDomElement route = features.at( 0 ).toElement().firstChild().toElement();
    QDomElement lineString = route.elementsByTagName( "gml:LineString" ).at( 0 ).toElement();
    QDomElement coordinates = lineString.toElement().elementsByTagName( "gml:coordinates" ).at( 0 ).toElement();
    QStringList coordinatesList = coordinates.text().split( ' ' );

    QStringList::iterator iter = coordinatesList.begin();
    QStringList::iterator end = coordinatesList.end();

    for( ; iter != end; ++iter) {
        QStringList coordinate =  iter->split(',');
        if ( coordinate.size() == 2 ) {
            double const lon = coordinate.at( 0 ).toDouble();
            double const lat = coordinate.at( 1 ).toDouble();
            GeoDataCoordinates const position( lon, lat, 0.0, GeoDataCoordinates::Degree );
            routeWaypoints->append( position );
        }
    }
    routePlacemark->setGeometry( routeWaypoints );

    QDomElement durationElement = route.elementsByTagName( "cs:time" ).at(0).toElement();
    QTime duration;
    duration = duration.addSecs( durationElement.text().toInt() );
    qreal length = routeWaypoints->length( EARTH_RADIUS );

    const QString name = nameString( "CS", length, duration );
    const GeoDataExtendedData data = routeData( length, duration );
    routePlacemark->setExtendedData( data );
    result->setName( name );
    result->append( routePlacemark );

    int i;
    for ( i = 1; i < features.count() && features.at( i ).firstChildElement().tagName() != "cs:segment"; ++i );
    for ( ; i < features.count(); ++i) {
        QDomElement segment = features.at( i ).toElement();

        QString name = segment.elementsByTagName( "cs:name" ).at( 0 ).toElement().text();
        QString maneuver = segment.elementsByTagName( "cs:turn" ).at( 0 ).toElement().text();
        QStringList points = segment.elementsByTagName( "cs:points" ).at( 0 ).toElement().text().split( ' ' );
        QStringList const elevation = segment.elementsByTagName( "cs:elevations" ).at( 0 ).toElement().text().split( ',' );

        GeoDataPlacemark *instructions = new GeoDataPlacemark;
        QString instructionName;
        if ( !maneuver.isEmpty() ) {
            instructionName = maneuver.left( 1 ).toUpper() + maneuver.mid( 1 );
        } else {
            instructionName = "Straight";
        }
        if ( name != "Short un-named link" && name != "Un-named link" ){
            instructionName.append( " into " + name );
        }
        instructions->setName( instructionName );

        GeoDataExtendedData extendedData;
        GeoDataData turnType;
        turnType.setName( "turnType" );
        turnType.setValue( maneuverType( maneuver ) );
        extendedData.addValue( turnType );

        instructions->setExtendedData( extendedData );
        GeoDataLineString *lineString = new GeoDataLineString;
        QStringList::iterator iter = points.begin();
        QStringList::iterator end = points.end();
        for  ( int j=0; iter != end; ++iter, ++j ) {
            QStringList coordinate = iter->split( ',' );
            if ( coordinate.size() == 2 ) {
                double const lon = coordinate.at( 0 ).toDouble();
                double const lat = coordinate.at( 1 ).toDouble();
                double const alt = j < elevation.size() ? elevation[j].toDouble() : 0.0;
                lineString->append( GeoDataCoordinates( lon, lat, alt, GeoDataCoordinates::Degree ) );
            }
        }
        instructions->setGeometry( lineString );
        result->append( instructions );
    }
    return result;
}