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#include "statisticscollection.h"
template <bool IsDiff>
void StatisticsCollection::addTimeAndBaseline(
unsigned antenna1, unsigned antenna2, double time, double centralFrequency,
int polarization, const float* reals, const float* imags, const bool* isRFI,
const bool* origFlags, unsigned nsamples, unsigned step, unsigned stepRFI,
unsigned stepFlags) {
unsigned long rfiCount = 0;
unsigned long count = 0;
long double sum_R = 0.0, sum_I = 0.0;
long double sumP2_R = 0.0, sumP2_I = 0.0;
for (unsigned j = 0; j < nsamples; ++j) {
if (!*origFlags) {
if (std::isfinite(*reals) && std::isfinite(*imags)) {
if (*isRFI) {
++rfiCount;
} else {
const long double rVal = *reals;
const long double iVal = *imags;
++count;
sum_R += rVal;
sum_I += iVal;
sumP2_R += rVal * rVal;
sumP2_I += iVal * iVal;
}
}
}
reals += step;
imags += step;
isRFI += stepRFI;
origFlags += stepFlags;
}
if (antenna1 != antenna2) {
DefaultStatistics& timeStat = getTimeStatistic(time, centralFrequency);
addToStatistic<IsDiff>(timeStat, polarization, count, sum_R, sum_I, sumP2_R,
sumP2_I, rfiCount);
}
DefaultStatistics& baselineStat =
getBaselineStatistic(antenna1, antenna2, centralFrequency);
addToStatistic<IsDiff>(baselineStat, polarization, count, sum_R, sum_I,
sumP2_R, sumP2_I, rfiCount);
}
template <bool IsDiff>
void StatisticsCollection::addFrequency(
unsigned band, int polarization, const float* reals, const float* imags,
const bool* isRFI, const bool* origFlags, unsigned nsamples, unsigned step,
unsigned stepRFI, unsigned stepFlags, bool shiftOneUp) {
std::vector<DefaultStatistics*>& bandStats = _bands.find(band)->second;
const unsigned fAdd = shiftOneUp ? 1 : 0;
for (unsigned j = 0; j < nsamples; ++j) {
if (!*origFlags) {
if (std::isfinite(*reals) && std::isfinite(*imags)) {
DefaultStatistics& freqStat = *bandStats[j + fAdd];
if (*isRFI) {
addToStatistic<IsDiff>(freqStat, polarization, 0, 0.0, 0.0, 0.0, 0.0,
1);
} else {
const long double r = *reals, i = *imags;
addToStatistic<IsDiff>(freqStat, polarization, 1, r, i, r * r, i * i,
0);
}
}
}
isRFI += stepRFI;
origFlags += stepFlags;
reals += step;
imags += step;
}
}
void StatisticsCollection::Add(unsigned antenna1, unsigned antenna2,
double time, unsigned band, int polarization,
const float* reals, const float* imags,
const bool* isRFI, const bool* origFlags,
unsigned nsamples, unsigned step,
unsigned stepRFI, unsigned stepFlags) {
if (nsamples == 0) return;
const double centralFrequency = _centralFrequencies.find(band)->second;
addTimeAndBaseline<false>(antenna1, antenna2, time, centralFrequency,
polarization, reals, imags, isRFI, origFlags,
nsamples, step, stepRFI, stepFlags);
if (antenna1 != antenna2)
addFrequency<false>(band, polarization, reals, imags, isRFI, origFlags,
nsamples, step, stepRFI, stepFlags, false);
// Allocate vector with length nsamples, so there is
// a diff element, even if nsamples=1.
std::vector<float> diffReals(nsamples);
std::vector<float> diffImags(nsamples);
bool* diffRFIFlags = new bool[nsamples];
bool* diffOrigFlags = new bool[nsamples];
for (unsigned i = 0; i < nsamples - 1; ++i) {
diffReals[i] = (reals[(i + 1) * step] - reals[i * step]) * M_SQRT1_2;
diffImags[i] = (imags[(i + 1) * step] - imags[i * step]) * M_SQRT1_2;
diffRFIFlags[i] = isRFI[i * stepRFI] | isRFI[(i + 1) * stepRFI];
diffOrigFlags[i] =
origFlags[i * stepFlags] | origFlags[(i + 1) * stepFlags];
}
addTimeAndBaseline<true>(antenna1, antenna2, time, centralFrequency,
polarization, &(diffReals[0]), &(diffImags[0]),
diffRFIFlags, diffOrigFlags, nsamples - 1, 1, 1, 1);
if (antenna1 != antenna2) {
addFrequency<true>(band, polarization, &(diffReals[0]), &(diffImags[0]),
diffRFIFlags, diffOrigFlags, nsamples - 1, 1, 1, 1,
false);
addFrequency<true>(band, polarization, &(diffReals[0]), &(diffImags[0]),
diffRFIFlags, diffOrigFlags, nsamples - 1, 1, 1, 1,
true);
}
delete[] diffRFIFlags;
delete[] diffOrigFlags;
}
void StatisticsCollection::AddToTimeFrequency(
unsigned antenna1, unsigned antenna2, double time, unsigned band,
int polarization, const float* reals, const float* imags, const bool* isRFI,
const bool* origFlags, unsigned nsamples, unsigned step, unsigned stepRFI,
unsigned stepFlags) {
if (nsamples == 0) return;
if (antenna1 == antenna2) return;
addToTimeFrequency<false>(time, &_bandFrequencies[band][0], polarization,
reals, imags, isRFI, origFlags, nsamples, step,
stepRFI, stepFlags, false);
// Allocate vector with length nsamples, so there is
// a diff element, even if nsamples=1.
std::vector<float> diffReals(nsamples);
std::vector<float> diffImags(nsamples);
bool* diffRFIFlags = new bool[nsamples];
bool* diffOrigFlags = new bool[nsamples];
for (unsigned i = 0; i < nsamples - 1; ++i) {
diffReals[i] = (reals[(i + 1) * step] - reals[i * step]) * M_SQRT1_2;
diffImags[i] = (imags[(i + 1) * step] - imags[i * step]) * M_SQRT1_2;
diffRFIFlags[i] = isRFI[i * stepRFI] | isRFI[(i + 1) * stepRFI];
diffOrigFlags[i] =
origFlags[i * stepFlags] | origFlags[(i + 1) * stepFlags];
}
addToTimeFrequency<true>(time, &_bandFrequencies[band][0], polarization,
&(diffReals[0]), &(diffImags[0]), diffRFIFlags,
diffOrigFlags, nsamples - 1, 1, 1, 1, false);
addToTimeFrequency<true>(time, &_bandFrequencies[band][0], polarization,
&(diffReals[0]), &(diffImags[0]), diffRFIFlags,
diffOrigFlags, nsamples - 1, 1, 1, 1, true);
delete[] diffRFIFlags;
delete[] diffOrigFlags;
}
void StatisticsCollection::AddImage(unsigned antenna1, unsigned antenna2,
const double* times, unsigned band,
int polarization,
const Image2DCPtr& realImage,
const Image2DCPtr& imagImage,
const Mask2DCPtr& rfiMask,
const Mask2DCPtr& correlatorMask) {
if (realImage->Width() == 0 || realImage->Height() == 0) return;
const double centralFrequency = _centralFrequencies.find(band)->second;
DefaultStatistics& baselineStat =
getBaselineStatistic(antenna1, antenna2, centralFrequency);
std::vector<DefaultStatistics*>& bandStats = _bands.find(band)->second;
std::vector<DefaultStatistics*> timeStats(realImage->Width());
for (size_t t = 0; t != realImage->Width(); ++t)
timeStats[t] = &getTimeStatistic(times[t], centralFrequency);
for (size_t f = 0; f < realImage->Height(); ++f) {
DefaultStatistics& freqStat = *bandStats[f];
const bool *origFlags = correlatorMask->ValuePtr(0, f),
*nextOrigFlags = origFlags + correlatorMask->Stride(),
*isRFI = rfiMask->ValuePtr(0, f),
*isNextRFI = isRFI + rfiMask->Stride();
const float *reals = realImage->ValuePtr(0, f),
*imags = imagImage->ValuePtr(0, f),
*nextReal = reals + realImage->Stride(),
*nextImag = imags + imagImage->Stride();
for (size_t t = 0; t < realImage->Width(); ++t) {
if (!*origFlags && std::isfinite(*reals) && std::isfinite(*imags)) {
long double real = *reals, imag = *imags;
if (*isRFI) {
if (antenna1 != antenna2) {
++timeStats[t]->rfiCount[polarization];
++freqStat.rfiCount[polarization];
}
++baselineStat.rfiCount[polarization];
} else {
long double realSq = real * real, imagSq = imag * imag;
if (antenna1 != antenna2) {
addSingleNonRFISampleToStatistic<false>(*timeStats[t], polarization,
real, imag, realSq, imagSq);
addSingleNonRFISampleToStatistic<false>(freqStat, polarization,
real, imag, realSq, imagSq);
}
addSingleNonRFISampleToStatistic<false>(baselineStat, polarization,
real, imag, realSq, imagSq);
}
if (f != realImage->Height() - 1) {
DefaultStatistics& nextFreqStat = *bandStats[f + 1];
if (!*nextOrigFlags && std::isfinite(*nextReal) &&
std::isfinite(*nextImag)) {
real = (*nextReal - *reals) * M_SQRT1_2;
imag = (*nextImag - *imags) * M_SQRT1_2;
if (!(*isRFI || *isNextRFI)) {
long double realSq = real * real, imagSq = imag * imag;
if (antenna1 != antenna2) {
addSingleNonRFISampleToStatistic<true>(
*timeStats[t], polarization, real, imag, realSq, imagSq);
addSingleNonRFISampleToStatistic<true>(
freqStat, polarization, real, imag, realSq, imagSq);
addSingleNonRFISampleToStatistic<true>(
nextFreqStat, polarization, real, imag, realSq, imagSq);
}
addSingleNonRFISampleToStatistic<true>(
baselineStat, polarization, real, imag, realSq, imagSq);
}
}
}
}
++origFlags;
++isRFI;
++reals;
++imags;
++nextOrigFlags;
++isNextRFI;
++nextReal;
++nextImag;
}
}
}
void StatisticsCollection::lowerResolution(
StatisticsCollection::DoubleStatMap& map, size_t maxSteps) const {
if (map.size() > maxSteps) {
DoubleStatMap newMap;
double gridStep, gridStart;
if (maxSteps > 1) {
const double oldGridStep =
(map.rbegin()->first - map.begin()->first) / (map.size() - 1);
gridStep =
(map.rbegin()->first - map.begin()->first + oldGridStep) / maxSteps;
gridStart = map.begin()->first - 0.5 * oldGridStep;
} else {
gridStep = map.rbegin()->first - map.begin()->first;
gridStart = map.begin()->first;
}
size_t gridIndex = 0;
for (DoubleStatMap::iterator i = map.begin(); i != map.end();) {
DefaultStatistics integratedStat(_polarizationCount);
double cellMid = (gridIndex + 0.5) * gridStep + gridStart,
cellEnd = (gridIndex + 1) * gridStep + gridStart;
size_t count = 0;
while (i != map.end() && i->first < cellEnd) {
++count;
integratedStat += i->second;
++i;
}
++gridIndex;
// If the last items are not yet gridded, they might be just over the
// border due to rounding errors; put them in the last bucket:
if (gridIndex == maxSteps) {
while (i != map.end()) {
++count;
integratedStat += i->second;
++i;
}
}
if (count > 0)
newMap.insert(
std::pair<double, DefaultStatistics>(cellMid, integratedStat));
}
map = newMap;
}
}
template <bool IsDiff>
void StatisticsCollection::addToTimeFrequency(
double time, const double* frequencies, int polarization,
const float* reals, const float* imags, const bool* isRFI,
const bool* origFlags, unsigned nsamples, unsigned step, unsigned stepRFI,
unsigned stepFlags, bool shiftOneUp) {
const unsigned fAdd = shiftOneUp ? 1 : 0;
for (unsigned j = 0; j < nsamples; ++j) {
if (!*origFlags) {
if (std::isfinite(*reals) && std::isfinite(*imags)) {
DefaultStatistics& timeStat =
getTimeStatistic(time, frequencies[j + fAdd]);
if (*isRFI) {
addToStatistic<IsDiff>(timeStat, polarization, 0, 0.0, 0.0, 0.0, 0.0,
1);
} else {
const long double r = *reals, i = *imags;
addToStatistic<IsDiff>(timeStat, polarization, 1, r, i, r * r, i * i,
0);
}
}
}
isRFI += stepRFI;
origFlags += stepFlags;
reals += step;
imags += step;
}
}
void StatisticsCollection::saveTime(QualityTablesFormatter& qd) const {
initializeEmptyStatistics(qd, QualityTablesFormatter::TimeDimension);
Indices indices;
indices.fill(qd);
StatisticSaver saver;
saver.dimension = QualityTablesFormatter::TimeDimension;
saver.qualityData = &qd;
for (std::map<double, DoubleStatMap>::const_iterator j =
_timeStatistics.begin();
j != _timeStatistics.end(); ++j) {
saver.frequency = j->first;
const DoubleStatMap& map = j->second;
for (DoubleStatMap::const_iterator i = map.begin(); i != map.end(); ++i) {
saver.time = i->first;
const DefaultStatistics& stat = i->second;
saveEachStatistic(saver, stat, indices);
}
}
}
void StatisticsCollection::saveFrequency(QualityTablesFormatter& qd) const {
if (!_frequencyStatistics.empty()) {
initializeEmptyStatistics(qd, QualityTablesFormatter::FrequencyDimension);
Indices indices;
indices.fill(qd);
StatisticSaver saver;
saver.dimension = QualityTablesFormatter::FrequencyDimension;
saver.qualityData = &qd;
for (DoubleStatMap::const_iterator i = _frequencyStatistics.begin();
i != _frequencyStatistics.end(); ++i) {
saver.frequency = i->first;
const DefaultStatistics& stat = i->second;
saveEachStatistic(saver, stat, indices);
}
}
}
void StatisticsCollection::saveBaseline(QualityTablesFormatter& qd) const {
if (!_baselineStatistics.empty()) {
initializeEmptyStatistics(qd, QualityTablesFormatter::BaselineDimension);
Indices indices;
indices.fill(qd);
StatisticSaver saver;
saver.dimension = QualityTablesFormatter::BaselineDimension;
saver.frequency = centralFrequency();
saver.qualityData = &qd;
for (std::map<double, BaselineStatisticsMap>::const_iterator j =
_baselineStatistics.begin();
j != _baselineStatistics.end(); ++j) {
saver.frequency = j->first;
const BaselineStatisticsMap& map = j->second;
const std::vector<std::pair<unsigned, unsigned>> baselines =
map.BaselineList();
for (std::vector<std::pair<unsigned, unsigned>>::const_iterator i =
baselines.begin();
i != baselines.end(); ++i) {
saver.antenna1 = i->first;
saver.antenna2 = i->second;
const DefaultStatistics& stat =
map.GetStatistics(saver.antenna1, saver.antenna2);
saveEachStatistic(saver, stat, indices);
}
}
}
}
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