2015-11-23 02:37:08 +01:00
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#include "ll.h"
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2015-10-05 01:43:48 +02:00
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#include "track.h"
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2016-03-17 00:50:20 +01:00
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2016-02-11 20:58:52 +01:00
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#define WINDOW_EF 3
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#define WINDOW_SE 11
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2016-03-25 13:11:26 +01:00
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#define WINDOW_SF 7
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#define WINDOW_HE 11
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#define WINDOW_HF 3
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2016-01-14 00:37:51 +01:00
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2016-09-19 23:35:04 +02:00
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static bool lt(const GraphPoint &v1, const GraphPoint &v2)
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2015-10-05 01:43:48 +02:00
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{
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2016-09-19 23:35:04 +02:00
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return v1.y() < v2.y();
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2015-10-05 01:43:48 +02:00
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}
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2016-09-19 23:35:04 +02:00
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static qreal median(QVector<GraphPoint> v)
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2015-10-05 01:43:48 +02:00
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{
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2016-02-11 20:58:52 +01:00
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qSort(v.begin(), v.end(), lt);
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2016-09-19 23:35:04 +02:00
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return v.at(v.size() / 2).y();
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2015-10-05 01:43:48 +02:00
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}
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2016-09-19 23:35:04 +02:00
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static qreal MAD(QVector<GraphPoint> v, qreal m)
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2015-10-05 01:43:48 +02:00
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{
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2016-02-11 20:58:52 +01:00
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for (int i = 0; i < v.size(); i++)
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2016-09-19 23:35:04 +02:00
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v[i].setY(qAbs(v.at(i).y() - m));
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2016-02-11 20:58:52 +01:00
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qSort(v.begin(), v.end(), lt);
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2016-09-19 23:35:04 +02:00
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return v.at(v.size() / 2).y();
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2015-12-06 00:51:02 +01:00
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}
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2016-09-19 23:35:04 +02:00
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static QVector<GraphPoint> eliminate(const QVector<GraphPoint> &v, int window)
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2015-12-06 00:51:02 +01:00
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{
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QList<int> rm;
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2016-09-19 23:35:04 +02:00
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QVector<GraphPoint> ret;
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2016-02-11 20:58:52 +01:00
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qreal m, M;
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2015-12-06 00:51:02 +01:00
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2015-11-23 02:37:08 +01:00
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2016-02-11 20:58:52 +01:00
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if (v.size() < window)
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2016-09-19 23:35:04 +02:00
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return QVector<GraphPoint>(v);
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2015-10-05 01:43:48 +02:00
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2016-02-11 20:58:52 +01:00
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for (int i = window/2; i < v.size() - window/2; i++) {
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m = median(v.mid(i - window/2, window));
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M = MAD(v.mid(i - window/2, window), m);
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2016-09-19 23:35:04 +02:00
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if (qAbs((0.6745 * (v.at(i).y() - m)) / M) > 3.5)
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rm.append(i);
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2015-11-25 23:17:39 +01:00
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}
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2016-02-11 20:58:52 +01:00
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QList<int>::const_iterator it = rm.begin();
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for (int i = 0; i < v.size(); i++) {
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if (it == rm.end() || *it != i)
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ret.append(v.at(i));
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else
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it++;
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2015-11-25 23:17:39 +01:00
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}
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2015-11-23 02:37:08 +01:00
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2016-02-11 20:58:52 +01:00
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return ret;
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2015-10-05 01:43:48 +02:00
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}
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2016-09-19 23:35:04 +02:00
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static QVector<GraphPoint> filter(const QVector<GraphPoint> &v, int window)
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2015-10-05 01:43:48 +02:00
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{
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qreal acc = 0;
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QVector<GraphPoint> ret;
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2015-12-06 00:51:02 +01:00
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2016-02-11 20:58:52 +01:00
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if (v.size() < window)
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return QVector<GraphPoint>(v);
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2015-10-05 01:43:48 +02:00
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2016-02-11 20:58:52 +01:00
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for (int i = 0; i < window; i++)
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acc += v.at(i).y();
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for (int i = 0; i <= window/2; i++)
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ret.append(GraphPoint(v.at(i).s(), v.at(i).t(), acc/window));
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2015-10-05 01:43:48 +02:00
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2016-02-11 20:58:52 +01:00
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for (int i = window/2 + 1; i < v.size() - window/2; i++) {
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acc += v.at(i + window/2).y() - v.at(i - (window/2 + 1)).y();
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ret.append(GraphPoint(v.at(i).s(), v.at(i).t(), acc/window));
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2015-10-05 01:43:48 +02:00
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}
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2016-02-11 20:58:52 +01:00
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for (int i = v.size() - window/2; i < v.size(); i++)
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ret.append(GraphPoint(v.at(i).s(), v.at(i).t(), acc/window));
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2015-11-23 02:37:08 +01:00
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2016-02-11 20:58:52 +01:00
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return ret;
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2016-01-14 00:37:51 +01:00
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}
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2016-03-21 22:37:55 +01:00
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Track::Track(const QVector<Trackpoint> &data) : _data(data)
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{
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qreal dist = 0;
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2016-03-21 22:37:55 +01:00
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2016-09-19 23:35:04 +02:00
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_distance.append(0);
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_time.append(0);
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2016-08-09 23:08:49 +02:00
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for (int i = 1; i < data.count(); i++) {
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dist += llDistance(data.at(i).coordinates(), data.at(i-1).coordinates());
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_distance.append(dist);
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if (data.first().hasTimestamp() && data.at(i).hasTimestamp())
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_time.append(_data.first().timestamp().msecsTo(
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_data.at(i).timestamp()) / 1000.0);
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else
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_time.append(NAN);
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}
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2016-03-21 22:37:55 +01:00
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}
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2016-09-19 00:56:10 +02:00
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Graph Track::elevation() const
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{
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QVector<GraphPoint> raw;
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2016-02-11 20:58:52 +01:00
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if (!_data.size())
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return raw;
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2015-12-19 12:57:09 +01:00
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2016-06-27 20:30:45 +02:00
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for (int i = 0; i < _data.size(); i++)
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2016-06-16 20:47:32 +02:00
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if (_data.at(i).hasElevation())
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raw.append(GraphPoint(_distance.at(i), _time.at(i),
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_data.at(i).elevation() - _data.at(i).geoidHeight()));
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2015-10-05 01:43:48 +02:00
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2016-09-19 23:35:04 +02:00
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return filter(raw, WINDOW_EF);
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2015-10-05 01:43:48 +02:00
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}
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2016-09-19 00:56:10 +02:00
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Graph Track::speed() const
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{
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QVector<GraphPoint> raw;
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qreal v, ds, dt;
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2015-10-05 01:43:48 +02:00
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2016-02-11 20:58:52 +01:00
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if (!_data.size())
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return raw;
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2015-10-05 01:43:48 +02:00
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2016-09-19 23:35:04 +02:00
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raw.append(GraphPoint(_distance.at(0), _time.at(0), 0));
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2016-02-11 20:58:52 +01:00
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for (int i = 1; i < _data.size(); i++) {
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if (_data.at(i).hasSpeed())
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2016-07-28 00:23:22 +02:00
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v = _data.at(i).speed();
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else if (_data.at(i).hasTimestamp() && _data.at(i-1).hasTimestamp()) {
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dt = _time.at(i) - _time.at(i-1);
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2016-07-28 00:23:22 +02:00
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if (!dt)
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continue;
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ds = _distance.at(i) - _distance.at(i-1);
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v = ds / dt;
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} else
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continue;
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2015-10-05 01:43:48 +02:00
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2016-09-19 23:35:04 +02:00
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raw.append(GraphPoint(_distance.at(i), _time.at(i), v));
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2016-02-11 20:58:52 +01:00
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}
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2015-10-05 01:43:48 +02:00
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2016-09-19 23:35:04 +02:00
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return filter(eliminate(raw, WINDOW_SE), WINDOW_SF);
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2015-10-05 01:43:48 +02:00
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}
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2016-09-19 00:56:10 +02:00
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Graph Track::heartRate() const
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2015-11-23 02:37:08 +01:00
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{
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2016-09-19 23:35:04 +02:00
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QVector<GraphPoint> raw;
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2016-03-21 22:37:55 +01:00
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2016-03-23 20:48:22 +01:00
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if (!_data.size())
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2016-09-19 23:35:04 +02:00
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return raw;
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2016-03-23 20:48:22 +01:00
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2016-06-27 20:30:45 +02:00
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for (int i = 0; i < _data.count(); i++)
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2016-06-16 20:47:32 +02:00
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if (_data.at(i).hasHeartRate())
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raw.append(GraphPoint(_distance.at(i), _time.at(i),
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_data.at(i).heartRate()));
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2015-11-23 02:37:08 +01:00
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2016-09-19 23:35:04 +02:00
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return filter(eliminate(raw, WINDOW_HE), WINDOW_HF);
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2016-03-21 22:37:55 +01:00
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}
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2015-11-23 02:37:08 +01:00
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2016-09-19 00:56:10 +02:00
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Graph Track::temperature() const
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2016-06-16 20:47:32 +02:00
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{
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2016-09-19 23:35:04 +02:00
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QVector<GraphPoint> raw;
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2016-06-16 20:47:32 +02:00
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2016-06-27 20:30:45 +02:00
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for (int i = 0; i < _data.size(); i++)
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2016-06-16 20:47:32 +02:00
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if (_data.at(i).hasTemperature())
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raw.append(GraphPoint(_distance.at(i), _time.at(i),
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_data.at(i).temperature()));
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2016-09-19 00:56:10 +02:00
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2016-09-19 23:35:04 +02:00
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return Graph(raw);
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2016-06-16 20:47:32 +02:00
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}
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2016-08-09 23:08:49 +02:00
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qreal Track::distance() const
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2015-12-20 09:33:40 +01:00
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{
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2016-09-19 23:35:04 +02:00
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return (_distance.isEmpty()) ? 0 : _distance.last();
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2016-08-09 23:08:49 +02:00
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}
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2015-12-20 09:33:40 +01:00
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2016-08-09 23:08:49 +02:00
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qreal Track::time() const
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{
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return (_data.size() < 2) ? 0 :
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(_data.first().timestamp().msecsTo(_data.last().timestamp()) / 1000.0);
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2015-12-20 09:33:40 +01:00
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}
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2016-01-14 00:37:51 +01:00
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2016-02-11 20:58:52 +01:00
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QDateTime Track::date() const
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{
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2016-08-09 23:08:49 +02:00
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return (_data.size()) ? _data.first().timestamp() : QDateTime();
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2016-01-14 00:37:51 +01:00
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}
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