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#include "aoflagger.h"
#include "structures.h"
#include "../lua/luastrategy.h"
#include "../lua/scriptdata.h"
#include "../util/progress/progresslistener.h"
#include "../structures/timefrequencydata.h"
#include <mutex>
namespace aoflagger {
class ErrorListener final : public ProgressListener {
void OnStartTask(const std::string&) override {}
void OnProgress(size_t, size_t) override {}
void OnFinish() override {}
void OnException(std::exception& e) override {
std::cerr << "*** EXCEPTION OCCURED IN THE AOFLAGGER ***\n"
"The AOFlagger encountered a bug or the given strategy was "
"invalid!\n"
"The reported exception "
<< typeid(e).name() << " is:\n"
<< e.what();
}
};
class ForwardingListener final : public ProgressListener {
public:
explicit ForwardingListener(StatusListener* destination)
: _destination(destination) {}
void OnStartTask(const std::string& description) override {
_destination->OnStartTask(description);
}
void OnProgress(size_t progress, size_t maxProgress) override {
_destination->OnProgress(progress, maxProgress);
}
void OnFinish() override { _destination->OnFinish(); }
void OnException(std::exception& thrownException) override {
_destination->OnException(thrownException);
}
private:
StatusListener* _destination;
};
class StrategyData {
public:
[[no_unique_address]] LuaStrategy _lua;
};
Strategy::Strategy() : _data(), _aoflagger(nullptr) {}
Strategy::Strategy(const std::string& filename, AOFlagger* aoflagger)
: _data(new StrategyData()), _aoflagger(aoflagger) {
_data->_lua.Initialize();
_data->_lua.LoadFile(filename.c_str());
}
Strategy::Strategy(Strategy&& sourceStrategy)
: _data(sourceStrategy._data
? new StrategyData(std::move(*sourceStrategy._data))
: nullptr),
_aoflagger(sourceStrategy._aoflagger) {}
Strategy::~Strategy() {}
Strategy Strategy::makeFromString(const std::string& script,
AOFlagger* aoflagger) {
Strategy strategy;
strategy._data.reset(new StrategyData());
strategy._aoflagger = aoflagger;
strategy._data->_lua.Initialize();
strategy._data->_lua.LoadText(script);
return strategy;
}
Strategy& Strategy::operator=(Strategy&& sourceStrategy) {
if (sourceStrategy._data)
_data = std::move(sourceStrategy._data);
else
_data = nullptr;
_aoflagger = sourceStrategy._aoflagger;
return *this;
}
inline static AntennaInfo ConvertAntenna(Antenna& antenna) {
AntennaInfo antennaInfo;
antennaInfo.diameter = antenna.diameter;
antennaInfo.id = antenna.id;
antennaInfo.mount = antenna.mount;
antennaInfo.name = antenna.name;
antennaInfo.station = antenna.station;
antennaInfo.position.x = antenna.x;
antennaInfo.position.y = antenna.y;
antennaInfo.position.z = antenna.z;
return antennaInfo;
}
inline static BandInfo ConvertBand(Band& band) {
BandInfo bandInfo;
bandInfo.windowIndex = band.id;
bandInfo.channels.resize(band.channels.size());
for (size_t i = 0; i != band.channels.size(); ++i) {
bandInfo.channels[i].frequencyIndex = i;
bandInfo.channels[i].frequencyHz = band.channels[i].frequency;
bandInfo.channels[i].channelWidthHz = band.channels[i].width;
bandInfo.channels[i].effectiveBandWidthHz = band.channels[i].width;
bandInfo.channels[i].resolutionHz = band.channels[i].width;
}
return bandInfo;
}
FlagMask Strategy::Run(const ImageSet& input,
const FlagMask& preExistingFlags) {
return run(input, &preExistingFlags);
}
FlagMask Strategy::Run(const ImageSet& input) { return run(input, nullptr); }
FlagMask Strategy::run(const ImageSet& input,
const FlagMask* preExistingFlags) {
std::unique_ptr<ProgressListener> listener;
if (_aoflagger->_statusListener == nullptr)
listener.reset(new ErrorListener());
else
listener.reset(new ForwardingListener(_aoflagger->_statusListener));
Mask2DCPtr inputMask;
if (preExistingFlags == nullptr)
inputMask = Mask2D::CreateSetMaskPtr<false>(input.Width(), input.Height());
else
inputMask = preExistingFlags->_data->mask;
TimeFrequencyData inputData;
const Image2DPtr zeroImage =
Image2D::CreateZeroImagePtr(input.Width(), input.Height());
switch (input.ImageCount()) {
case 1:
inputData = TimeFrequencyData(TimeFrequencyData::AmplitudePart,
aocommon::Polarization::StokesI,
input._data->images[0]);
inputData.SetGlobalMask(inputMask);
break;
case 2:
inputData =
TimeFrequencyData(aocommon::Polarization::StokesI,
input._data->images[0], input._data->images[1]);
inputData.SetGlobalMask(inputMask);
break;
case 4:
inputData =
TimeFrequencyData(aocommon::Polarization::XX, input._data->images[0],
input._data->images[1], aocommon::Polarization::YY,
input._data->images[2], input._data->images[3]);
inputData.SetIndividualPolarizationMasks(inputMask, inputMask);
break;
case 8:
inputData = TimeFrequencyData::FromLinear(
input._data->images[0], input._data->images[1],
input._data->images[2], input._data->images[3],
input._data->images[4], input._data->images[5],
input._data->images[6], input._data->images[7]);
inputData.SetIndividualPolarizationMasks(inputMask, inputMask, inputMask,
inputMask);
break;
}
const TimeFrequencyMetaDataPtr metaData(new TimeFrequencyMetaData());
if (input.HasAntennas() && !_aoflagger->_antennas.empty()) {
metaData->SetAntenna1(
ConvertAntenna(_aoflagger->_antennas[input.Antenna1()]));
metaData->SetAntenna2(
ConvertAntenna(_aoflagger->_antennas[input.Antenna2()]));
}
if (input.HasBand() && !_aoflagger->_bands.empty()) {
metaData->SetBand(ConvertBand(_aoflagger->_bands[input.Band()]));
}
if (input.HasInterval() && !_aoflagger->_intervals.empty()) {
metaData->SetObservationTimes(
_aoflagger->_intervals[input.Interval()].times);
}
ScriptData scriptData;
scriptData.SetProgressListener(*listener);
_data->_lua.Execute(inputData, metaData, scriptData, "execute");
listener.reset();
inputMask.reset();
FlagMask flagMask;
flagMask._data.reset(
new FlagMaskData(Mask2DPtr(new Mask2D(*inputData.GetSingleMask()))));
return flagMask;
}
} // namespace aoflagger
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