void update( double t )
{
osg::Vec3d pos;
GeoMath::interpolate(
_startLat.as(Units::RADIANS), _startLon.as(Units::RADIANS),
_endLat.as(Units::RADIANS), _endLon.as(Units::RADIANS),
t,
pos.y(), pos.x() );
GeoPoint geo(
_track->getMapNode()->getMapSRS(),
osg::RadiansToDegrees(pos.x()),
osg::RadiansToDegrees(pos.y()),
10000.0,
ALTMODE_ABSOLUTE);
// update the position label.
_track->setPosition(geo);
if ( g_showCoords )
{
_track->setFieldValue( FIELD_POSITION, s_format(geo) );
}
else
_track->setFieldValue( FIELD_POSITION, "" );
}
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;
}