コード例 #1
0
ファイル: Layer.cpp プロジェクト: Harpalus/merkaartor
void TrackLayer::extractLayer()
{
    DrawingLayer* extL = new DrawingLayer(tr("Extract - %1").arg(name()));
    extL->setUploadable(false);

    TrackNode* P;
    QList<TrackNode*> PL;

    const qreal coordPer10M = (double(COORD_MAX) * 2 / 40080000) * 2;

    for (int i=0; i < size(); i++) {
        if (TrackSegment* S = dynamic_cast<TrackSegment*>(get(i))) {

            if (S->size() < 2)
                continue;

            // Cope with walking tracks
            qreal konstant = coordPer10M;
            qreal meanSpeed = S->distance() / S->duration() * 3600;
            if (meanSpeed < 10.)
                konstant /= 3.;


            PL.clear();

            P = g_backend.allocTrackNode(extL, S->getNode(0)->position() );
            P->setTime(S->getNode(0)->time());
            P->setElevation(S->getNode(0)->elevation());
            P->setSpeed(S->getNode(0)->speed());
            PL.append(P);
            int startP = 0;

            P = g_backend.allocTrackNode(extL, S->getNode(1)->position() );
            P->setTime(S->getNode(1)->time());
            P->setElevation(S->getNode(1)->elevation());
            P->setSpeed(S->getNode(1)->speed());
            PL.append(P);
            int endP = 1;

            for (int j=2; j < S->size(); j++) {
                P = g_backend.allocTrackNode(extL, S->getNode(j)->position() );
                P->setTime(S->getNode(j)->time());
                P->setElevation(S->getNode(j)->elevation());
                P->setSpeed(S->getNode(j)->speed());
                PL.append(P);
                endP = PL.size()-1;

                LineF l(PL[startP]->position(), PL[endP]->position());
                for (int k=startP+1; k < endP; k++) {
                    qreal d = l.distance(PL[k]->position());
                    if (d < konstant) {
                        Node* P = PL[k];
                        PL.removeAt(k);
                        g_backend.deallocFeature(extL, P);
                        endP--;
                    } else
                        startP = k;
                }
            }

            Way* R = g_backend.allocWay(extL);
            R->setLastUpdated(Feature::OSMServer);
            extL->add(R);
            for (int i=0; i < PL.size(); i++) {
                extL->add(PL[i]);
                R->add(PL[i]);
            }
        }
    }

    p->theDocument->add(extL);
}
コード例 #2
0
ファイル: Node.cpp プロジェクト: chxyfish/merkaartor
TrackNode * TrackNode::fromGPX(Document* d, Layer* L, QXmlStreamReader& stream)
{
    qreal Lat = stream.attributes().value("lat").toString().toDouble();
    qreal Lon = stream.attributes().value("lon").toString().toDouble();

    QString sid = (stream.attributes().hasAttribute("id") ? stream.attributes().value("id").toString() : stream.attributes().value("xml:id").toString());
    IFeature::FId id(IFeature::Point, sid.toLongLong());
    TrackNode* Pt = CAST_TRACKNODE(d->getFeature(id));
    if (!Pt) {
        Pt = g_backend.allocTrackNode(L, Coord(Lon,Lat));
        Pt->setId(id);
        Pt->setLastUpdated(Feature::Log);
        L->add(Pt);
    } else {
        Pt->setPosition(Coord(Lon,Lat));
        if (Pt->lastUpdated() == Feature::NotYetDownloaded)
            Pt->setLastUpdated(Feature::OSMServer);
    }

    if (stream.name() == "wpt")
        Pt->setTag("_waypoint_", "yes");

    QDateTime time = QDateTime::currentDateTime();
    stream.readNext();
    while(!stream.atEnd() && !stream.isEndElement()) {
        if (stream.name() == "time") {
            stream.readNext();
            QString dtm = stream.text().toString();
            time = QDateTime::fromString(dtm.left(19), Qt::ISODate);
            stream.readNext();
        } else if (stream.name() == "ele") {
            stream.readNext();
            Pt->setElevation(stream.text().toString().toFloat());
            stream.readNext();
        } else if (stream.name() == "speed") {
            stream.readNext();
            Pt->setSpeed(stream.text().toString().toFloat());
            stream.readNext();
        } else if (stream.name() == "name") {
            stream.readNext();
            Pt->setTag("name", stream.text().toString());
            stream.readNext();
        } else if (stream.name() == "cmt") {
            stream.readNext();
            Pt->setTag("_comment_", stream.text().toString());
            stream.readNext();
        } else if (stream.name() == "desc") {
            stream.readNext();
            Pt->setTag("_description_", stream.text().toString());
            stream.readNext();
        }
        else if (stream.name() == "cmt")
        {
            stream.readNext();
            Pt->setTag("_comment_", stream.text().toString());
            stream.readNext();
        }
        else if (stream.name() == "extensions") // for OpenStreetBugs
        {
            QString str = stream.readElementText(QXmlStreamReader::IncludeChildElements);
            QDomDocument doc;
            doc.setContent(str);

            QDomNodeList li = doc.elementsByTagName("id");
            if (li.size()) {
                QString id = li.at(0).toElement().text();
                Pt->setId(IFeature::FId(IFeature::Point | IFeature::Special, id.toLongLong()));
                Pt->setTag("_special_", "yes"); // Assumed to be OpenstreetBugs as they don't use their own namesoace
                Pt->setSpecial(true);
            }
        }

        stream.readNext();
    }
    Pt->setTime(time);

    return Pt;
}