mirror of
https://github.com/tumic0/GPXSee.git
synced 2024-11-24 03:35:53 +01:00
Added support for GPX files with multiple tracks
This commit is contained in:
parent
82660caccb
commit
923a00479a
@ -31,38 +31,39 @@ void ElevationGraph::addInfo()
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void ElevationGraph::loadGPX(const GPX &gpx)
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{
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QVector<QPointF> data;
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qreal min, max, ascent = 0, descent = 0;
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for (int i = 0; i < gpx.count(); i++) {
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QVector<QPointF> data;
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qreal min, max, ascent = 0, descent = 0;
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gpx.elevationGraph(i, data);
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if (data.isEmpty())
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return;
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gpx.elevationGraph(data);
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if (data.isEmpty())
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return;
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min = max = data.at(0).y();
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min = max = data.at(0).y();
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for (int i = 1; i < data.size(); i++) {
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qreal cur = data.at(i).y();
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qreal prev = data.at(i-1).y();
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for (int i = 1; i < data.size(); i++) {
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qreal cur = data.at(i).y();
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qreal prev = data.at(i-1).y();
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if (cur > prev)
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ascent += cur - prev;
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if (cur < prev)
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descent += prev - cur;
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if (cur > prev)
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ascent += cur - prev;
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if (cur < prev)
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descent += prev - cur;
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if (cur > max)
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max = cur;
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if (cur < min)
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min = cur;
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}
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if (cur > max)
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max = cur;
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if (cur < min)
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min = cur;
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_ascent += ascent;
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_descent += descent;
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_max = qMax(_max, max);
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_min = qMin(_min, min);
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addInfo();
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loadData(data);
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}
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_ascent += ascent;
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_descent += descent;
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_max = qMax(_max, max);
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_min = qMin(_min, min);
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addInfo();
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loadData(data);
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}
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void ElevationGraph::clear()
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63
src/gpx.cpp
63
src/gpx.cpp
@ -94,7 +94,7 @@ bool GPX::loadFile(const QString &fileName)
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return false;
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}
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if (!(ret = _parser.loadFile(&file, _data))) {
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if (!(ret = _parser.loadFile(&file, &_data))) {
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_error = _parser.errorString();
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_errorLine = _parser.errorLine();
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}
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@ -103,44 +103,46 @@ bool GPX::loadFile(const QString &fileName)
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return ret;
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}
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void GPX::elevationGraph(QVector<QPointF> &graph) const
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void GPX::elevationGraph(int i, QVector<QPointF> &graph) const
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{
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const QVector<TrackPoint> &data = _data.at(i);
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qreal dist = 0;
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QVector<QPointF> raw;
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if (!_data.size())
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if (!data.size())
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return;
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raw.append(QPointF(0, _data.at(0).elevation));
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for (int i = 1; i < _data.size(); i++) {
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dist += llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
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raw.append(QPointF(dist, _data.at(i).elevation
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- _data.at(i).geoidheight));
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raw.append(QPointF(0, data.at(0).elevation));
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for (int i = 1; i < data.size(); i++) {
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dist += llDistance(data.at(i).coordinates, data.at(i-1).coordinates);
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raw.append(QPointF(dist, data.at(i).elevation
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- data.at(i).geoidheight));
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}
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graph = filter(raw, WINDOW_EF);
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}
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void GPX::speedGraph(QVector<QPointF> &graph) const
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void GPX::speedGraph(int i, QVector<QPointF> &graph) const
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{
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const QVector<TrackPoint> &data = _data.at(i);
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qreal dist = 0, v, ds, dt;
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QVector<QPointF> raw;
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if (!_data.size())
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if (!data.size())
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return;
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raw.append(QPointF(0, 0));
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for (int i = 1; i < _data.size(); i++) {
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ds = llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
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dt = _data.at(i-1).timestamp.msecsTo(_data.at(i).timestamp) / 1000.0;
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for (int i = 1; i < data.size(); i++) {
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ds = llDistance(data.at(i).coordinates, data.at(i-1).coordinates);
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dt = data.at(i-1).timestamp.msecsTo(data.at(i).timestamp) / 1000.0;
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dist += ds;
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if (_data.at(i).speed < 0) {
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if (data.at(i).speed < 0) {
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if (dt == 0)
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continue;
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v = ds / dt;
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} else
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v = _data.at(i).speed;
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v = data.at(i).speed;
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raw.append(QPointF(dist, v));
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}
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@ -148,35 +150,42 @@ void GPX::speedGraph(QVector<QPointF> &graph) const
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graph = filter(eliminate(raw, WINDOW_SE), WINDOW_SF);
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}
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void GPX::track(QVector<QPointF> &track) const
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void GPX::track(int i, QVector<QPointF> &track) const
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{
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for (int i = 0; i < _data.size(); i++)
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track.append(ll2mercator(_data.at(i).coordinates));
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const QVector<TrackPoint> &data = _data.at(i);
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for (int i = 0; i < data.size(); i++)
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track.append(ll2mercator(data.at(i).coordinates));
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}
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qreal GPX::distance() const
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qreal GPX::distance(int i) const
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{
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const QVector<TrackPoint> &data = _data.at(i);
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qreal dist = 0;
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for (int i = 1; i < _data.size(); i++)
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dist += llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
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for (int i = 1; i < data.size(); i++)
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dist += llDistance(data.at(i).coordinates, data.at(i-1).coordinates);
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return dist;
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}
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qreal GPX::time() const
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qreal GPX::time(int i) const
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{
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if (_data.size() < 2)
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const QVector<TrackPoint> &data = _data.at(i);
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if (data.size() < 2)
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return 0;
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return (_data.at(0).timestamp.msecsTo(_data.at(_data.size() - 1).timestamp)
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return (data.at(0).timestamp.msecsTo(data.at(data.size() - 1).timestamp)
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/ 1000.0);
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}
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QDateTime GPX::date() const
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QDateTime GPX::date(int i) const
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{
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if (_data.size())
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return _data.at(0).timestamp;
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const QVector<TrackPoint> &data = _data.at(i);
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if (data.size())
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return data.at(0).timestamp;
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else
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return QDateTime();
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}
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16
src/gpx.h
16
src/gpx.h
@ -2,6 +2,7 @@
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#define GPX_H
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#include <QVector>
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#include <QList>
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#include <QPointF>
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#include <QString>
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#include "parser.h"
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@ -13,16 +14,17 @@ public:
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const QString &errorString() const {return _error;}
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int errorLine() const {return _errorLine;}
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void elevationGraph(QVector<QPointF> &graph) const;
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void speedGraph(QVector<QPointF> &graph) const;
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void track(QVector<QPointF> &track) const;
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qreal distance() const;
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qreal time() const;
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QDateTime date() const;
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int count() const {return _data.count();}
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void elevationGraph(int i, QVector<QPointF> &graph) const;
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void speedGraph(int i, QVector<QPointF> &graph) const;
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void track(int i, QVector<QPointF> &track) const;
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qreal distance(int i) const;
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qreal time(int i) const;
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QDateTime date(int i) const;
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private:
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Parser _parser;
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QVector<TrackPoint> _data;
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QList<QVector<TrackPoint> > _data;
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QString _error;
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int _errorLine;
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};
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18
src/gui.cpp
18
src/gui.cpp
@ -67,6 +67,7 @@ GUI::GUI()
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_distance = 0;
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_time = 0;
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_trackCount = 0;
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resize(600, 800);
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}
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@ -443,8 +444,12 @@ bool GUI::loadFile(const QString &fileName)
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if (_showPOIAction->isChecked())
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_track->loadPOI(_poi);
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_distance += gpx.distance();
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_time += gpx.time();
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for (int i = 0; i < gpx.count(); i++) {
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_distance += gpx.distance(i);
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_time += gpx.time(i);
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}
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_trackCount += gpx.count();
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return true;
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} else {
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@ -571,6 +576,7 @@ void GUI::closeFile()
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{
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_distance = 0;
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_time = 0;
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_trackCount = 0;
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_elevationGraph->clear();
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_speedGraph->clear();
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@ -621,17 +627,15 @@ void GUI::showToolbars(bool checked)
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void GUI::updateStatusBarInfo()
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{
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int files = _files.size();
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if (files == 0) {
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if (_files.count() == 0) {
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_fileNameLabel->clear();
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_distanceLabel->clear();
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_timeLabel->clear();
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return;
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} else if (files == 1)
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} else if (_files.count() == 1)
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_fileNameLabel->setText(_files.at(0));
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else
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_fileNameLabel->setText(tr("%1 tracks").arg(_files.size()));
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_fileNameLabel->setText(tr("%1 tracks").arg(_trackCount));
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if (_imperialUnitsAction->isChecked())
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_distanceLabel->setText(QString::number(_distance * M2MI, 'f', 1)
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@ -126,6 +126,7 @@ private:
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qreal _distance;
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qreal _time;
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int _trackCount;
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};
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#endif // GUI_H
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@ -1,96 +1,95 @@
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#include "parser.h"
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void Parser::handleExtensionData(QVector<TrackPoint> &data,
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QStringRef element, const QString &value)
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void Parser::handleExtensionData(QStringRef element, const QString &value)
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{
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if (element == "speed")
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data.last().speed = value.toDouble();
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_track->last().speed = value.toDouble();
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}
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void Parser::handleTrekPointData(QVector<TrackPoint> &data,
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QStringRef element, const QString &value)
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void Parser::handleTrekPointData(QStringRef element, const QString &value)
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{
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if (element == "ele")
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data.last().elevation = value.toLatin1().toDouble();
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_track->last().elevation = value.toLatin1().toDouble();
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if (element == "time")
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data.last().timestamp = QDateTime::fromString(value.toLatin1(),
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_track->last().timestamp = QDateTime::fromString(value.toLatin1(),
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Qt::ISODate);
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if (element == "geoidheight")
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data.last().geoidheight = value.toLatin1().toDouble();
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_track->last().geoidheight = value.toLatin1().toDouble();
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}
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void Parser::handleTrekPointAttributes(QVector<TrackPoint> &data,
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const QXmlStreamAttributes &attr)
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void Parser::handleTrekPointAttributes(const QXmlStreamAttributes &attr)
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{
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data.last().coordinates.setY(attr.value("lat").toLatin1().toDouble());
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data.last().coordinates.setX(attr.value("lon").toLatin1().toDouble());
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_track->last().coordinates.setY(attr.value("lat").toLatin1().toDouble());
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_track->last().coordinates.setX(attr.value("lon").toLatin1().toDouble());
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}
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void Parser::extensions(QVector<TrackPoint> &data)
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void Parser::extensions()
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{
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while (_reader.readNextStartElement()) {
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if (_reader.name() == "speed")
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handleExtensionData(data, _reader.name(), _reader.readElementText());
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handleExtensionData(_reader.name(), _reader.readElementText());
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else
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_reader.skipCurrentElement();
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}
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}
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void Parser::trekPointData(QVector<TrackPoint> &data)
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void Parser::trackPointData()
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{
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while (_reader.readNextStartElement()) {
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if (_reader.name() == "ele" || _reader.name() == "time"
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|| _reader.name() == "geoidheight")
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handleTrekPointData(data, _reader.name(), _reader.readElementText());
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handleTrekPointData(_reader.name(), _reader.readElementText());
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else if (_reader.name() == "extensions")
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extensions(data);
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extensions();
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else
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_reader.skipCurrentElement();
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}
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}
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void Parser::trekPoints(QVector<TrackPoint> &data)
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void Parser::trackPoints()
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{
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QXmlStreamAttributes attr;
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while (_reader.readNextStartElement()) {
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if (_reader.name() == "trkpt") {
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attr = _reader.attributes();
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data.append(TrackPoint());
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handleTrekPointAttributes(data, attr);
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trekPointData(data);
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_track->append(TrackPoint());
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handleTrekPointAttributes(attr);
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trackPointData();
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} else
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_reader.skipCurrentElement();
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}
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}
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void Parser::trek(QVector<TrackPoint> &data)
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void Parser::track()
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{
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while (_reader.readNextStartElement()) {
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if (_reader.name() == "trkseg") {
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trekPoints(data);
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trackPoints();
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} else
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_reader.skipCurrentElement();
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}
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}
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void Parser::gpx(QVector<TrackPoint> &data)
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void Parser::gpx()
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{
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while (_reader.readNextStartElement()) {
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if (_reader.name() == "trk")
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trek(data);
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else
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if (_reader.name() == "trk") {
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_data->append(QVector<TrackPoint>());
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_track = &_data->back();
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track();
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} else
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_reader.skipCurrentElement();
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}
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}
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bool Parser::parse(QVector<TrackPoint> &data)
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bool Parser::parse()
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{
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if (_reader.readNextStartElement()) {
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if (_reader.name() == "gpx")
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gpx(data);
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gpx();
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else
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_reader.raiseError("Not a GPX file.");
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}
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@ -98,10 +97,11 @@ bool Parser::parse(QVector<TrackPoint> &data)
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return !_reader.error();
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}
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bool Parser::loadFile(QIODevice *device, QVector<TrackPoint> &data)
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bool Parser::loadFile(QIODevice *device, QList<QVector<TrackPoint> > *data)
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{
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_reader.clear();
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_reader.setDevice(device);
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_data = data;
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return parse(data);
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return parse();
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}
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26
src/parser.h
26
src/parser.h
@ -19,26 +19,26 @@ struct TrackPoint
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class Parser
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{
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public:
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bool loadFile(QIODevice *device, QVector<TrackPoint> &data);
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Parser() {_data = 0; _track = 0;}
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bool loadFile(QIODevice *device, QList<QVector<TrackPoint> > *data);
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QString errorString() const {return _reader.errorString();}
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int errorLine() const {return _reader.lineNumber();}
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private:
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bool parse(QVector<TrackPoint> &data);
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void gpx(QVector<TrackPoint> &data);
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void trek(QVector<TrackPoint> &data);
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void trekPoints(QVector<TrackPoint> &data);
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void extensions(QVector<TrackPoint> &data);
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void trekPointData(QVector<TrackPoint> &data);
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bool parse();
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void gpx();
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void track();
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void trackPoints();
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void extensions();
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void trackPointData();
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void handleTrekPointAttributes(QVector<TrackPoint> &data,
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const QXmlStreamAttributes &attr);
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void handleTrekPointData(QVector<TrackPoint> &data, QStringRef element,
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const QString &value);
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void handleExtensionData(QVector<TrackPoint> &data, QStringRef element,
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const QString &value);
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void handleTrekPointAttributes(const QXmlStreamAttributes &attr);
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void handleTrekPointData(QStringRef element, const QString &value);
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void handleExtensionData(QStringRef element, const QString &value);
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QXmlStreamReader _reader;
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QList<QVector<TrackPoint> > *_data;
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QVector<TrackPoint> *_track;
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};
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#endif // PARSER_H
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@ -25,22 +25,23 @@ void SpeedGraph::addInfo()
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void SpeedGraph::loadGPX(const GPX &gpx)
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{
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QVector<QPointF> data;
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qreal max = 0;
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for (int i = 0; i < gpx.count(); i++) {
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QVector<QPointF> data;
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qreal max = 0;
|
||||
|
||||
gpx.speedGraph(i, data);
|
||||
if (data.isEmpty())
|
||||
return;
|
||||
|
||||
gpx.speedGraph(data);
|
||||
if (data.isEmpty())
|
||||
return;
|
||||
_avg.append(QPointF(gpx.distance(i), gpx.distance(i) / gpx.time(i)));
|
||||
|
||||
_avg.append(QPointF(gpx.distance(), gpx.distance() / gpx.time()));
|
||||
for (int i = 0; i < data.size(); i++)
|
||||
max = qMax(max, data.at(i).y());
|
||||
_max = qMax(_max, max);
|
||||
|
||||
for (int i = 0; i < data.size(); i++)
|
||||
max = qMax(max, data.at(i).y());
|
||||
_max = qMax(_max, max);
|
||||
|
||||
addInfo();
|
||||
loadData(data);
|
||||
addInfo();
|
||||
loadData(data);
|
||||
}
|
||||
}
|
||||
|
||||
qreal SpeedGraph::avg() const
|
||||
|
||||
@ -41,56 +41,58 @@ Track::~Track()
|
||||
|
||||
void Track::loadGPX(const GPX &gpx)
|
||||
{
|
||||
QVector<QPointF> track;
|
||||
QPainterPath path;
|
||||
QGraphicsPathItem *pi;
|
||||
MarkerItem *mi;
|
||||
QColor color = _colorShop.color();
|
||||
qreal prevScale = _scale;
|
||||
for (int i = 0; i < gpx.count(); i++) {
|
||||
QVector<QPointF> track;
|
||||
QPainterPath path;
|
||||
QGraphicsPathItem *pi;
|
||||
MarkerItem *mi;
|
||||
QColor color = _colorShop.color();
|
||||
qreal prevScale = _scale;
|
||||
|
||||
|
||||
gpx.track(track);
|
||||
gpx.track(i, track);
|
||||
|
||||
if (track.size() < 2)
|
||||
return;
|
||||
if (track.size() < 2)
|
||||
continue;
|
||||
|
||||
_tracks.append(track);
|
||||
_tracks.append(track);
|
||||
|
||||
path.moveTo(track.at(0).x(), -track.at(0).y());
|
||||
for (int i = 1; i < track.size(); i++)
|
||||
path.lineTo(track.at(i).x(), -track.at(i).y());
|
||||
path.moveTo(track.at(0).x(), -track.at(0).y());
|
||||
for (int i = 1; i < track.size(); i++)
|
||||
path.lineTo(track.at(i).x(), -track.at(i).y());
|
||||
|
||||
_maxLen = qMax(path.length(), _maxLen);
|
||||
_maxLen = qMax(path.length(), _maxLen);
|
||||
|
||||
|
||||
pi = new QGraphicsPathItem(path);
|
||||
_trackPaths.append(pi);
|
||||
_zoom = scale2zoom(trackScale());
|
||||
_scale = mapScale();
|
||||
QBrush brush(color, Qt::SolidPattern);
|
||||
QPen pen(brush, TRACK_WIDTH * _scale);
|
||||
pi->setPen(pen);
|
||||
pi->setScale(1.0/_scale);
|
||||
_scene->addItem(pi);
|
||||
pi = new QGraphicsPathItem(path);
|
||||
_trackPaths.append(pi);
|
||||
_zoom = scale2zoom(trackScale());
|
||||
_scale = mapScale();
|
||||
QBrush brush(color, Qt::SolidPattern);
|
||||
QPen pen(brush, TRACK_WIDTH * _scale);
|
||||
pi->setPen(pen);
|
||||
pi->setScale(1.0/_scale);
|
||||
_scene->addItem(pi);
|
||||
|
||||
mi = new MarkerItem(pi);
|
||||
_markers.append(mi);
|
||||
mi->setPos(pi->path().pointAtPercent(0));
|
||||
mi->setScale(_scale);
|
||||
mi = new MarkerItem(pi);
|
||||
_markers.append(mi);
|
||||
mi->setPos(pi->path().pointAtPercent(0));
|
||||
mi->setScale(_scale);
|
||||
|
||||
if (_trackPaths.size() > 1 && prevScale != _scale)
|
||||
rescale(_scale);
|
||||
if (_trackPaths.size() > 1 && prevScale != _scale)
|
||||
rescale(_scale);
|
||||
|
||||
QRectF br = trackBoundingRect();
|
||||
QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
|
||||
_scene->setSceneRect(ba);
|
||||
centerOn(ba.center());
|
||||
QRectF br = trackBoundingRect();
|
||||
QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
|
||||
_scene->setSceneRect(ba);
|
||||
centerOn(ba.center());
|
||||
|
||||
if (_mapScale->scene() != _scene)
|
||||
_scene->addItem(_mapScale);
|
||||
if (_mapScale->scene() != _scene)
|
||||
_scene->addItem(_mapScale);
|
||||
|
||||
_mapScale->setLatitude(track.at(track.size() / 2).y());
|
||||
_mapScale->setZoom(_zoom);
|
||||
_mapScale->setLatitude(track.at(track.size() / 2).y());
|
||||
_mapScale->setZoom(_zoom);
|
||||
}
|
||||
}
|
||||
|
||||
QRectF Track::trackBoundingRect() const
|
||||
|
||||
Loading…
Reference in New Issue
Block a user