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C++ GeoDataLineString::append方法代码示例

本文整理汇总了C++中GeoDataLineString::append方法的典型用法代码示例。如果您正苦于以下问题:C++ GeoDataLineString::append方法的具体用法?C++ GeoDataLineString::append怎么用?C++ GeoDataLineString::append使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在GeoDataLineString的用法示例。


在下文中一共展示了GeoDataLineString::append方法的11个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: paint

void GeoLink::paint(GeoPainter* painter) const {
    if (!geoPeer.isSelf() && data_model->getMainLocation(geoPeer) != GeoPeerLoc::DEFAULT) {
        painter->setPen(Qt::yellow);
        foreach (const RsPgpId& gpg_id, geoPeer.getConnectionsList()) {
            const GeoPeer& other = data_model->getPeer(gpg_id);
            if (!other.isNull() && !other.isSelf() && other.getAssociatedSSLIds().size() > 0 && data_model->getMainLocation(other) != GeoPeerLoc::DEFAULT) {
                GeoDataLineString conLine;
                conLine.append(data_model->getMainLocation(geoPeer));
                conLine.append(data_model->getMainLocation(other));
                painter->drawPolyline(conLine);
            }
        }
    }
开发者ID:Nyfor,项目名称:FriendMap,代码行数:13,代码来源:GeoLink.cpp

示例2: append

void OsmWayGraphicsItem::append( const GeoDataPoint& point )
{
    GeoDataLineString* line = dynamic_cast<GeoDataLineString*>(m_placemark->geometry());
    if( line ) {
        line->append( point );
    }
}
开发者ID:MChemodanov,项目名称:marble,代码行数:7,代码来源:OsmWayGraphicsItem.cpp

示例3: parseGosmoreOutput

GeoDataLineString GosmoreRunnerPrivate::parseGosmoreOutput( const QByteArray &content )
{
    GeoDataLineString routeWaypoints;

    QStringList lines = QString::fromLocal8Bit( content ).split( '\r' );
    foreach( const QString &line, lines ) {
        QStringList fields = line.split(',');
        if (fields.size() >= 5) {
            qreal lon = fields.at(1).toDouble();
            qreal lat = fields.at(0).toDouble();
            GeoDataCoordinates coordinates( lon, lat, 0.0, GeoDataCoordinates::Degree );
            routeWaypoints.append( coordinates );
        }
    }
开发者ID:calincru,项目名称:marble,代码行数:14,代码来源:GosmoreRoutingRunner.cpp

示例4: processEditingOnMove

bool PolylineAnnotation::processEditingOnMove( QMouseEvent *mouseEvent )
{
    if ( !m_viewport ) {
        return false;
    }

    qreal lon, lat;
    m_viewport->geoCoordinates( mouseEvent->pos().x(),
                                mouseEvent->pos().y(),
                                lon, lat,
                                GeoDataCoordinates::Radian );
    const GeoDataCoordinates newCoords( lon, lat );

    if ( m_interactingObj == InteractingNode ) {
        GeoDataLineString *line = static_cast<GeoDataLineString*>( placemark()->geometry() );
        line->at(m_clickedNodeIndex) = newCoords;

        return true;
    } else if ( m_interactingObj == InteractingPolyline ) {
        GeoDataLineString *lineString = static_cast<GeoDataLineString*>( placemark()->geometry() );
        const GeoDataLineString oldLineString = *lineString;
        lineString->clear();

        const qreal deltaLat = lat - m_movedPointCoords.latitude();
        const qreal deltaLon = lon - m_movedPointCoords.longitude();

        Quaternion latRectAxis = Quaternion::fromEuler( 0, lon, 0);
        Quaternion latAxis = Quaternion::fromEuler( -deltaLat, 0, 0);
        Quaternion lonAxis = Quaternion::fromEuler(0, deltaLon, 0);
        Quaternion rotAxis = latRectAxis * latAxis * latRectAxis.inverse() * lonAxis;

        qreal lonRotated, latRotated;
        for ( int i = 0; i < oldLineString.size(); ++i ) {
            Quaternion qpos = oldLineString.at(i).quaternion();
            qpos.rotateAroundAxis(rotAxis);
            qpos.getSpherical( lonRotated, latRotated );
            GeoDataCoordinates movedPoint( lonRotated, latRotated, 0 );

            lineString->append( movedPoint );
        }

        m_movedPointCoords = newCoords;
        return true;
    }

    return dealWithHovering( mouseEvent );
}
开发者ID:tzapzoor,项目名称:marble,代码行数:47,代码来源:PolylineAnnotation.cpp

示例5: parse

GeoNode* OsmNdTagHandler::parse( GeoParser &geoParser ) const
{
    Q_ASSERT( dynamic_cast<OsmParser *>( &geoParser ) != 0 );
    OsmParser &parser = static_cast<OsmParser &>( geoParser );

    Q_ASSERT( parser.isStartElement() );

    GeoStackItem parentItem = parser.parentElement();

    if ( parentItem.represents( osmTag_way ) )
    {
        GeoDataLineString *s = parentItem.nodeAs<GeoDataLineString>();
        Q_ASSERT( s );
        quint64 id = parser.attribute( "ref" ).toULongLong();
        if ( GeoDataPoint *p = parser.node( id ) ) {
            s->append( GeoDataCoordinates( p->coordinates().longitude(), p->coordinates().latitude() ) );
        }

        return 0;
    }

    return 0;
}
开发者ID:calincru,项目名称:marble,代码行数:23,代码来源:OsmNdTagHandler.cpp

示例6: move

void PolylineAnnotation::move( const GeoDataCoordinates &source, const GeoDataCoordinates &destination )
{
    GeoDataLineString *lineString = static_cast<GeoDataLineString*>( placemark()->geometry() );
    GeoDataLineString oldLineString = *lineString;
    lineString->clear();

    const qreal deltaLat = destination.latitude() - source.latitude();
    const qreal deltaLon = destination.longitude() - source.longitude();

    Quaternion latRectAxis = Quaternion::fromEuler( 0, destination.longitude(), 0);
    Quaternion latAxis = Quaternion::fromEuler( -deltaLat, 0, 0);
    Quaternion lonAxis = Quaternion::fromEuler(0, deltaLon, 0);
    Quaternion rotAxis = latRectAxis * latAxis * latRectAxis.inverse() * lonAxis;

    qreal lonRotated, latRotated;
    for ( int i = 0; i < oldLineString.size(); ++i ) {
        Quaternion qpos = oldLineString.at(i).quaternion();
        qpos.rotateAroundAxis(rotAxis);
        qpos.getSpherical( lonRotated, latRotated );
        GeoDataCoordinates movedPoint( lonRotated, latRotated, 0 );

        lineString->append( movedPoint );
    }
}
开发者ID:tzapzoor,项目名称:marble,代码行数:24,代码来源:PolylineAnnotation.cpp

示例7: parse

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;
    }

//.........这里部分代码省略.........
开发者ID:abhgangwar,项目名称:marble,代码行数:101,代码来源:MapQuestRunner.cpp

示例8: read

bool JsonParser::read( QIODevice* device )
{
    // Assert previous document got released.
    delete m_document;
    m_document = new GeoDataDocument;
    Q_ASSERT( m_document );

    // Read file data
    QJsonParseError error;
    const QJsonDocument jsonDoc = QJsonDocument::fromJson(device->readAll(), &error);

    if (jsonDoc.isNull()) {
        qDebug() << "Error parsing GeoJSON : " << error.errorString();
        return false;
    }

    // Start parsing
    const QJsonValue featuresValue = jsonDoc.object().value(QStringLiteral("features"));

    // In GeoJSON format, geometries are stored in features, so we iterate on features
    if (featuresValue.isArray()) {
        const QJsonArray featureArray = featuresValue.toArray();

        // Parse each feature
        for (int featureIndex = 0; featureIndex < featureArray.size(); ++featureIndex) {
            const QJsonObject featureObject = featureArray[featureIndex].toObject();

            // Check if the feature contains a geometry
            const QJsonValue geometryValue = featureObject.value(QStringLiteral("geometry"));
            if (geometryValue.isObject()) {
                const QJsonObject geometryObject = geometryValue.toObject();

                // Variables for creating the geometry
                QList<GeoDataGeometry*> geometryList;
                QList<GeoDataPlacemark*> placemarkList;

                // Create the different geometry types
                const QString geometryType = geometryObject.value(QStringLiteral("type")).toString().toUpper();

                if (geometryType == QLatin1String("POLYGON")) {
                    // Check first that there are coordinates
                    const QJsonValue coordinatesValue = geometryObject.value(QStringLiteral("coordinates"));
                    if (coordinatesValue.isArray()) {
                        const QJsonArray coordinateArray = coordinatesValue.toArray();

                        GeoDataPolygon * geom = new GeoDataPolygon( RespectLatitudeCircle | Tessellate );

                        // Coordinates first array will be the outer boundary, if there are more
                        // positions those will be inner holes
                        for (int ringIndex = 0 ; ringIndex < coordinateArray.size(); ++ringIndex) {
                            const QJsonArray ringArray = coordinateArray[ringIndex].toArray();

                            GeoDataLinearRing linearRing;

                            for (int coordinatePairIndex = 0; coordinatePairIndex < ringArray.size(); ++coordinatePairIndex) {
                                const QJsonArray coordinatePairArray = ringArray[coordinatePairIndex].toArray();

                                const qreal longitude = coordinatePairArray.at(0).toDouble();
                                const qreal latitude = coordinatePairArray.at(1).toDouble();

                                linearRing.append( GeoDataCoordinates( longitude , latitude , 0 , GeoDataCoordinates::Degree ) );
                            }

                            // Outer ring
                            if (ringIndex == 0) {
                                geom->setOuterBoundary( linearRing );
                            }
                            // Inner holes
                            else {
                                geom->appendInnerBoundary( linearRing );
                            }
                        }
                        geometryList.append( geom );
                    }

                } else if (geometryType == QLatin1String("MULTIPOLYGON")) {
                    // Check first that there are coordinates
                    const QJsonValue coordinatesValue = geometryObject.value(QStringLiteral("coordinates"));
                    if (coordinatesValue.isArray()) {
                        const QJsonArray coordinateArray = coordinatesValue.toArray();

                        for (int polygonIndex = 0; polygonIndex < coordinateArray.size(); ++polygonIndex) {
                            const QJsonArray polygonArray = coordinateArray[polygonIndex].toArray();

                            GeoDataPolygon * geom = new GeoDataPolygon( RespectLatitudeCircle | Tessellate );

                            // Coordinates first array will be the outer boundary, if there are more
                            // positions those will be inner holes
                            for (int ringIndex = 0 ; ringIndex < polygonArray.size(); ++ringIndex) {
                                const QJsonArray ringArray = polygonArray[ringIndex].toArray();

                                GeoDataLinearRing linearRing;

                                for (int coordinatePairIndex = 0; coordinatePairIndex < ringArray.size(); ++coordinatePairIndex) {
                                    const QJsonArray coordinatePairArray = ringArray[coordinatePairIndex].toArray();

                                    const qreal longitude = coordinatePairArray.at(0).toDouble();
                                    const qreal latitude = coordinatePairArray.at(1).toDouble();

                                    linearRing.append( GeoDataCoordinates( longitude , latitude , 0 , GeoDataCoordinates::Degree ) );
//.........这里部分代码省略.........
开发者ID:KDE,项目名称:marble,代码行数:101,代码来源:JsonParser.cpp

示例9: fileinfo

GeoDataDocument *ShpRunner::parseFile(const QString &fileName, DocumentRole role, QString &error)
{
    QFileInfo fileinfo( fileName );
    if (fileinfo.suffix().compare(QLatin1String("shp"), Qt::CaseInsensitive) != 0) {
        error = QStringLiteral("File %1 does not have a shp suffix").arg(fileName);
        mDebug() << error;
        return nullptr;
    }

    SHPHandle handle = SHPOpen( fileName.toStdString().c_str(), "rb" );
    if ( !handle ) {
        error = QStringLiteral("Failed to read %1").arg(fileName);
        mDebug() << error;
        return nullptr;
    }
    int entities;
    int shapeType;
    SHPGetInfo( handle, &entities, &shapeType, NULL, NULL );
    mDebug() << " SHP info " << entities << " Entities "
             << shapeType << " Shape Type ";

    DBFHandle dbfhandle;
    dbfhandle = DBFOpen( fileName.toStdString().c_str(), "rb");
    int nameField = DBFGetFieldIndex( dbfhandle, "Name" );
    int noteField = DBFGetFieldIndex( dbfhandle, "Note" );
    int mapColorField = DBFGetFieldIndex( dbfhandle, "mapcolor13" );

    GeoDataDocument *document = new GeoDataDocument;
    document->setDocumentRole( role );

    if ( mapColorField != -1 ) {
        GeoDataSchema schema;
        schema.setId(QStringLiteral("default"));
        GeoDataSimpleField simpleField;
        simpleField.setName(QStringLiteral("mapcolor13"));
        simpleField.setType( GeoDataSimpleField::Double );
        schema.addSimpleField( simpleField );
        document->addSchema( schema );
    }

    for ( int i=0; i< entities; ++i ) {
        GeoDataPlacemark  *placemark = 0;
        placemark = new GeoDataPlacemark;
        document->append( placemark );

        SHPObject *shape = SHPReadObject( handle, i );
        if (nameField != -1) {
            const char* info = DBFReadStringAttribute( dbfhandle, i, nameField );
            // TODO: defaults to utf-8 encoding, but could be also something else, optionally noted in a .cpg file
            placemark->setName( info );
            mDebug() << "name " << placemark->name();
        }
        if (noteField != -1) {
            const char* note = DBFReadStringAttribute( dbfhandle, i, noteField );
            // TODO: defaults to utf-8 encoding, see comment for name
            placemark->setDescription( note );
            mDebug() << "desc " << placemark->description();
        }

        double mapColor = DBFReadDoubleAttribute( dbfhandle, i, mapColorField );
        if ( mapColor ) {
            GeoDataStyle::Ptr style(new GeoDataStyle);
            if ( mapColor >= 0 && mapColor <=255 ) {
                quint8 colorIndex = quint8( mapColor );
                style->polyStyle().setColorIndex( colorIndex );
            }
            else {
                quint8 colorIndex = 0;     // mapColor is undefined in this case
                style->polyStyle().setColorIndex( colorIndex );
            }
            placemark->setStyle( style );
        }

        switch ( shapeType ) {
            case SHPT_POINT: {
                GeoDataPoint *point = new GeoDataPoint( *shape->padfX, *shape->padfY, 0, GeoDataCoordinates::Degree );
                placemark->setGeometry( point );
                mDebug() << "point " << placemark->name();
                break;
            }

            case SHPT_MULTIPOINT: {
                GeoDataMultiGeometry *geom = new GeoDataMultiGeometry;
                for( int j=0; j<shape->nVertices; ++j ) {
                    geom->append( new GeoDataPoint( GeoDataCoordinates(
                                  shape->padfX[j], shape->padfY[j],
                                  0, GeoDataCoordinates::Degree ) ) );
                }
                placemark->setGeometry( geom );
                mDebug() << "multipoint " << placemark->name();
                break;
            }

            case SHPT_ARC: {
                if ( shape->nParts != 1 ) {
                    GeoDataMultiGeometry *geom = new GeoDataMultiGeometry;
                    for( int j=0; j<shape->nParts; ++j ) {
                        GeoDataLineString *line = new GeoDataLineString;
                        int itEnd = (j + 1 < shape->nParts) ? shape->panPartStart[j+1] : shape->nVertices;
                        for( int k=shape->panPartStart[j]; k<itEnd; ++k ) {
//.........这里部分代码省略.........
开发者ID:KDE,项目名称:marble,代码行数:101,代码来源:ShpRunner.cpp

示例10: retrieveRoute

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;
}
开发者ID:KDE,项目名称:marble,代码行数:61,代码来源:MonavRunner.cpp

示例11: position

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;
}
开发者ID:calincru,项目名称:marble,代码行数:94,代码来源:CycleStreetsRunner.cpp


注:本文中的GeoDataLineString::append方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。