bool TTraceRecorder::createFile(const QWhereaboutsUpdate &update)
{
bool ret;
_filename = update.updateDate().toString("yyyyMMdd") + '_' + update.updateTime().toString("hhmmss");
_tracks = new QFile(_tmpDir + '/' + _filename + ".trk");
_waypoints = new QFile(_tmpDir + '/' + _filename + ".wpt");
if(ret = (_tracks->open(QIODevice::WriteOnly) && _waypoints->open(QIODevice::WriteOnly))) {
_trackName = QString("Transit");
_trackState = out;
_firstSample = true;
tUserLog() << _filename << " started";
emit signalRecordInfo(_filename, 0);
} else {
qDebug() << "Error opening trace file: " << _tmpDir + '/' + _filename + ".trk";
delete _tracks;
delete _waypoints;
_tracks = NULL;
_waypoints = NULL;
emit signalRecordInfo("Recording error", 0);
}
return ret;
}
QDebug operator<<(QDebug dbg, const QWhereaboutsUpdate &update)
{
QWhereaboutsCoordinate coord = update.coordinate();
dbg.nospace() << "QWhereaboutsUpdate("
<< update.updateDateTime().toString("yy/MM/dd hh:mm:ss").toLatin1().constData()
<< " ("
<< coord.latitude()
<< ", " << coord.longitude()
<< ", ";
if (coord.type() == QWhereaboutsCoordinate::Coordinate3D)
dbg.nospace() << coord.altitude();
else
dbg.nospace() << '?';
dbg.nospace() << "))";
return dbg.space();
}
void TTraceRecorder::addSample(const QWhereaboutsUpdate &update)
{
if(_firstSample) {
_firstSample = false;
_minLat = _maxLat = update.coordinate().latitude();
_minLon = _maxLon = update.coordinate().longitude();
} else {
_minLat = (_minLat < update.coordinate().latitude()) ? _minLat : update.coordinate().latitude();
_maxLat = (_maxLat > update.coordinate().latitude()) ? _maxLat : update.coordinate().latitude();
_minLon = (_minLon < update.coordinate().longitude()) ? _minLon : update.coordinate().longitude();
_maxLon = (_maxLon > update.coordinate().longitude()) ? _maxLon : update.coordinate().longitude();
}
if(_trackState == out) {
QString str = QString("\n <trk>\n <name>") + _trackName + QString("</name>\n <trkseg>\n");
_tracks->write(str.toAscii());
} else if(_trackState == onTrack) {
_tracks->write(QString(" <trkseg>\n").toAscii());
}
_trackState = onSeg;
QString str;
QString latitude = QString("%1").arg(update.coordinate().latitude(), 0, 'f', 10);
QString longitude = QString("%1").arg(update.coordinate().longitude(), 0, 'f', 10);
bool is3d = update.coordinate().type() == QWhereaboutsCoordinate::Coordinate3D;
QString altitude = (is3d) ? QString::number(update.coordinate().altitude()) : QString("nan");
while(_pendingWaypoints.count() > 0) {
str = QString("\n <wpt lat=\"") + latitude + QString("\" lon=\"") + longitude + QString("\">\n");
str += QString(" <name>") + _pendingWaypoints.takeFirst() + QString("</name>\n");
if(is3d) { str += QString(" <ele>") + altitude + QString("</ele>\n"); }
str += QString(" </wpt>\n");
_waypoints->write(str.toAscii());
}
str = QString(" <trkpt lat=\"") + latitude + QString("\" lon=\"") + longitude + QString("\">\n");
if(is3d) { str += QString(" <ele>") + altitude + QString("</ele>\n"); }
str += QString(" <time>") + update.updateDateTime().toString("yyyy-MM-ddThh:mm:ssZ") + QString("</time>\n");
str += QString(" </trkpt>\n");
_tracks->write(str.toAscii());
_samples ++;
emit signalRecordInfo(_filename, _samples);
}