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#ifndef FREQUENCY_PAGE_CONTROLLER_H
#define FREQUENCY_PAGE_CONTROLLER_H
#include <map>
#include <string>
#include <utility>
#include <vector>
#include "aoqplotpagecontroller.h"
class FrequencyPageController final : public AOQPlotPageController {
public:
void SetPerformFT(bool performFT) { _performFT = performFT; }
protected:
void processStatistics(const StatisticsCollection* statCollection,
const std::vector<AntennaInfo>&) override {
_statistics.clear();
const std::map<double, class DefaultStatistics>& map =
statCollection->FrequencyStatistics();
for (std::map<double, class DefaultStatistics>::const_iterator i =
map.begin();
i != map.end(); ++i) {
_statistics.insert(std::pair<double, DefaultStatistics>(
i->first / 1000000.0, i->second));
}
}
const std::map<double, class DefaultStatistics>& getStatistics()
const override {
return _statistics;
}
void startLine(XYPlot& plot, const std::string& name, int lineIndex,
const std::string& yAxisDesc, bool second_axis) override {
XYPointSet* points;
if (_performFT)
points = &plot.StartLine(name, "Time (μs)", yAxisDesc);
else
points = &plot.StartLine(name, "Frequency (MHz)", yAxisDesc);
points->SetUseSecondYAxis(second_axis);
}
void processPlot(XYPlot& plot) override {
if (_performFT) {
performFt(plot);
}
}
void performFt(XYPlot& plot) {
size_t count = plot.PointSetCount();
for (size_t line = 0; line < count; ++line) {
XYPointSet& pointSet = plot.GetPointSet(line);
std::vector<std::pair<double, std::complex<double>>> output;
const double min = pointSet.MinX();
const double width = pointSet.MaxX() - min;
const double fStart = -2.0 * M_PI * (double)pointSet.Size() / width;
const double fEnd = 2.0 * M_PI * (double)pointSet.Size() / width;
const double fStep = (fEnd - fStart) / (double)pointSet.Size();
for (double f = fStart; f < fEnd; f += fStep) {
std::pair<double, std::complex<double>> newElement(
f / (2.0 * M_PI), std::complex<double>(0.0, 0.0));
std::complex<double>& nextStat = newElement.second;
for (size_t i = 0; i != pointSet.Size(); ++i) {
const double t_f = pointSet.GetX(i) * f;
const double val = pointSet.GetY(i);
if (std::isfinite(val))
nextStat += std::complex<double>(val * cos(t_f), val * sin(t_f));
}
output.push_back(newElement);
}
pointSet.Clear();
for (std::vector<std::pair<double, std::complex<double>>>::const_iterator
i = output.begin();
i != output.end(); ++i) {
double real = i->second.real(), imag = i->second.imag();
pointSet.PushDataPoint(i->first, sqrt(real * real + imag * imag));
}
}
}
private:
std::map<double, class DefaultStatistics> _statistics;
bool _performFT = false;
};
#endif
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