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80 lines
1.6 KiB
C++
80 lines
1.6 KiB
C++
#include "dem.h"
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#include "route.h"
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bool Route::_useDEM = false;
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bool Route::_show2ndElevation = false;
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Route::Route(const RouteData &data) : _data(data)
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{
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qreal dist = 0;
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_distance.append(0);
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for (int i = 1; i < _data.count(); i++) {
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dist += _data.at(i).coordinates().distanceTo(_data.at(i-1).coordinates());
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_distance.append(dist);
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}
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}
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Path Route::path() const
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{
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Path ret;
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ret.append(PathSegment());
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PathSegment &ps = ret.last();
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for (int i = 0; i < _data.size(); i++)
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ps.append(PathPoint(_data.at(i).coordinates(), _distance.at(i)));
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return ret;
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}
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Graph Route::gpsElevation() const
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{
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Graph graph;
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graph.append(GraphSegment());
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GraphSegment &gs = graph.last();
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for (int i = 0; i < _data.size(); i++)
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if (_data.at(i).hasElevation())
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gs.append(GraphPoint(_distance.at(i), NAN, _data.at(i).elevation()));
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return graph;
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}
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Graph Route::demElevation() const
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{
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Graph graph;
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graph.append(GraphSegment());
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GraphSegment &gs = graph.last();
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for (int i = 0; i < _data.size(); i++) {
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qreal dem = DEM::elevation(_data.at(i).coordinates());
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if (!std::isnan(dem))
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gs.append(GraphPoint(_distance.at(i), NAN, dem));
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}
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return graph;
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}
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GraphPair Route::elevation() const
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{
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if (_useDEM) {
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Graph dem(demElevation());
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if (dem.isValid())
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return GraphPair(dem, _show2ndElevation ? gpsElevation() : Graph());
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else
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return GraphPair(gpsElevation(), Graph());
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} else {
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Graph gps(gpsElevation());
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if (gps.isValid())
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return GraphPair(gps, _show2ndElevation ? demElevation() : Graph());
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else
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return GraphPair(demElevation(), Graph());
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}
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}
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qreal Route::distance() const
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{
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return (_distance.isEmpty()) ? 0 : _distance.last();
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}
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