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111 lines
2.0 KiB
C++
111 lines
2.0 KiB
C++
#include "data.h"
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#include "temperaturegraph.h"
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TemperatureGraph::TemperatureGraph(QWidget *parent) : GraphTab(parent)
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{
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_units = Metric;
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_showTracks = true;
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setYUnits();
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setYLabel(tr("Temperature"));
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setSliderPrecision(1);
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}
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void TemperatureGraph::setInfo()
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{
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if (_showTracks) {
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GraphView::addInfo(tr("Average"), QString::number(avg() * yScale()
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+ yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
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GraphView::addInfo(tr("Minimum"), QString::number(min() * yScale()
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+ yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
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GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale()
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+ yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
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} else
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clearInfo();
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}
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void TemperatureGraph::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)->temperature();
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qreal sum = 0, w = 0;
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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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for (int j = 1; j < graph.size(); j++) {
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qreal ds = graph.at(j).s() - graph.at(j-1).s();
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sum += graph.at(j).y() * ds;
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w += ds;
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}
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_avg.append(QPointF(data.tracks().at(i)->distance(), sum/w));
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GraphView::loadGraph(graph, paths.at(i));
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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 TemperatureGraph::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 TemperatureGraph::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 TemperatureGraph::setYUnits()
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{
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if (_units == Metric) {
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GraphView::setYUnits(QChar(0x00B0) + tr("C"));
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setYScale(1);
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setYOffset(0);
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} else {
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GraphView::setYUnits(QChar(0x00B0) + tr("F"));
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setYScale(C2FS);
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setYOffset(C2FO);
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}
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}
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void TemperatureGraph::setUnits(enum Units units)
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{
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_units = units;
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setYUnits();
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setInfo();
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GraphView::setUnits(units);
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redraw();
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}
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void TemperatureGraph::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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