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80 lines
1.5 KiB
C++
80 lines
1.5 KiB
C++
#include "data/data.h"
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#include "heartrategraphitem.h"
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#include "heartrategraph.h"
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HeartRateGraph::HeartRateGraph(QWidget *parent) : GraphTab(parent)
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{
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_showTracks = true;
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GraphView::setYUnits(tr("1/min"));
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setYLabel(tr("Heart rate"));
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setSliderPrecision(0);
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}
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void HeartRateGraph::setInfo()
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{
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if (_showTracks) {
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GraphView::addInfo(tr("Average"), QString::number(avg() * yScale(), 'f',
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0) + UNIT_SPACE + yUnits());
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GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(), 'f',
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0) + UNIT_SPACE + yUnits());
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} else
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clearInfo();
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}
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void HeartRateGraph::loadData(const Data &data, const QList<PathItem *> &paths)
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{
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for (int i = 0; i < data.tracks().count(); i++) {
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const Graph &graph = data.tracks().at(i)->heartRate();
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if (graph.size() < 2) {
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skipColor();
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continue;
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}
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HeartRateGraphItem *gi = new HeartRateGraphItem(graph, _graphType);
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GraphView::addGraph(gi, paths.at(i));
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_avg.append(QPointF(data.tracks().at(i)->distance(), gi->avg()));
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}
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for (int i = 0; i < data.routes().count(); i++)
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skipColor();
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setInfo();
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redraw();
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}
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qreal HeartRateGraph::avg() const
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{
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qreal sum = 0, w = 0;
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QList<QPointF>::const_iterator it;
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for (it = _avg.begin(); it != _avg.end(); it++) {
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sum += it->y() * it->x();
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w += it->x();
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}
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return (sum / w);
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}
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void HeartRateGraph::clear()
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{
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_avg.clear();
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GraphView::clear();
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}
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void HeartRateGraph::showTracks(bool show)
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{
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_showTracks = show;
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showGraph(show);
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setInfo();
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redraw();
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}
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