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#include "contiguousmsreader.h"
#include "../contiguousms.h"
#include "../operations.h"
#include <schaapcommon/reordering/reordering.h>
using schaapcommon::reordering::ContainsDataDescId;
namespace wsclean {
ContiguousMSReader::ContiguousMSReader(ContiguousMS* contiguousms)
: MSReader(contiguousms),
_currentInputRow(contiguousms->_startRow - 1),
_currentInputTimestep(size_t(-1)),
_currentInputTime(0.0),
_currentRowId(size_t(-1)),
_isDataRead(false),
_isModelRead(false),
_isWeightRead(false),
_imagingWeightsColumn() {
if (contiguousms->selection_.HasInterval())
_currentInputTimestep = contiguousms->selection_.IntervalStart() - 1;
NextInputRow();
}
bool ContiguousMSReader::CurrentRowAvailable() {
const ContiguousMS& contiguousms =
static_cast<const ContiguousMS&>(*ms_provider_);
if (_currentInputRow >= contiguousms._endRow) return false;
int fieldId = contiguousms._fieldIdColumn(_currentInputRow);
int a1 = contiguousms._antenna1Column(_currentInputRow);
int a2 = contiguousms._antenna2Column(_currentInputRow);
int dataDescId = contiguousms._dataDescIdColumn(_currentInputRow);
casacore::Vector<double> uvw = contiguousms._uvwColumn(_currentInputRow);
while (!contiguousms.selection_.IsSelected(fieldId, _currentInputTimestep, a1,
a2, uvw.data()) ||
!ContainsDataDescId(contiguousms.channel_ranges_, dataDescId)) {
++_currentInputRow;
if (_currentInputRow >= contiguousms._endRow) return false;
fieldId = contiguousms._fieldIdColumn(_currentInputRow);
a1 = contiguousms._antenna1Column(_currentInputRow);
a2 = contiguousms._antenna2Column(_currentInputRow);
contiguousms._uvwColumn.get(_currentInputRow, uvw, true);
dataDescId = contiguousms._dataDescIdColumn(_currentInputRow);
if (_currentInputTime != contiguousms._timeColumn(_currentInputRow)) {
++_currentInputTimestep;
_currentInputTime = contiguousms._timeColumn(_currentInputRow);
}
_isDataRead = false;
_isWeightRead = false;
_isModelRead = false;
}
return true;
}
void ContiguousMSReader::NextInputRow() {
const ContiguousMS& contiguousms =
static_cast<const ContiguousMS&>(*ms_provider_);
_isDataRead = false;
_isWeightRead = false;
_isModelRead = false;
++_currentRowId;
int fieldId, a1, a2, dataDescId;
casacore::Vector<double> uvw;
do {
++_currentInputRow;
if (_currentInputRow >= contiguousms._endRow) return;
fieldId = contiguousms._fieldIdColumn(_currentInputRow);
a1 = contiguousms._antenna1Column(_currentInputRow);
a2 = contiguousms._antenna2Column(_currentInputRow);
uvw = contiguousms._uvwColumn(_currentInputRow);
dataDescId = contiguousms._dataDescIdColumn(_currentInputRow);
if (_currentInputTime != contiguousms._timeColumn(_currentInputRow)) {
++_currentInputTimestep;
_currentInputTime = contiguousms._timeColumn(_currentInputRow);
}
} while (!contiguousms.selection_.IsSelected(fieldId, _currentInputTimestep,
a1, a2, uvw.data()) ||
!ContainsDataDescId(contiguousms.channel_ranges_, dataDescId));
}
void ContiguousMSReader::ReadMeta(MSProvider::MetaData& metadata) {
const ContiguousMS& contiguousms =
static_cast<const ContiguousMS&>(*ms_provider_);
casacore::Vector<double> uvwArray = contiguousms._uvwColumn(_currentInputRow);
metadata.u_in_m = uvwArray(0);
metadata.v_in_m = uvwArray(1);
metadata.w_in_m = uvwArray(2);
metadata.time = contiguousms._timeColumn(_currentInputRow);
metadata.data_desc_id = contiguousms._dataDescIdColumn(_currentInputRow);
metadata.field_id = contiguousms._fieldIdColumn(_currentInputRow);
metadata.antenna1 = contiguousms._antenna1Column(_currentInputRow);
metadata.antenna2 = contiguousms._antenna2Column(_currentInputRow);
}
void ContiguousMSReader::ReadData(std::complex<float>* buffer) {
ContiguousMS& contiguousms = static_cast<ContiguousMS&>(*ms_provider_);
readData();
readWeights();
const size_t data_desc_id = contiguousms._dataDescIdColumn(_currentInputRow);
const size_t start_channel = contiguousms.channel_ranges_[data_desc_id].start;
const size_t end_channel = contiguousms.channel_ranges_[data_desc_id].end;
schaapcommon::reordering::ExtractData(
buffer, start_channel, end_channel,
contiguousms.input_polarizations_[data_desc_id],
contiguousms._dataArray.data(), contiguousms._outputPolarization);
}
void ContiguousMSReader::ReadModel(std::complex<float>* buffer) {
ContiguousMS& contiguousms = static_cast<ContiguousMS&>(*ms_provider_);
if (!contiguousms._isModelColumnPrepared) contiguousms.prepareModelColumn();
readModel();
readWeights();
const size_t data_desc_id = contiguousms._dataDescIdColumn(_currentInputRow);
const size_t start_channel = contiguousms.channel_ranges_[data_desc_id].start;
const size_t end_channel = contiguousms.channel_ranges_[data_desc_id].end;
schaapcommon::reordering::ExtractData(
buffer, start_channel, end_channel,
contiguousms.input_polarizations_[data_desc_id],
contiguousms._modelArray.data(), contiguousms._outputPolarization);
}
void ContiguousMSReader::ReadWeights(float* buffer) {
const ContiguousMS& contiguousms =
static_cast<const ContiguousMS&>(*ms_provider_);
readData();
readWeights();
const size_t data_desc_id = contiguousms._dataDescIdColumn(_currentInputRow);
const size_t start_channel = contiguousms.channel_ranges_[data_desc_id].start;
const size_t end_channel = contiguousms.channel_ranges_[data_desc_id].end;
schaapcommon::reordering::ExtractWeights(
buffer, start_channel, end_channel,
contiguousms.input_polarizations_[data_desc_id],
contiguousms._dataArray.data(), contiguousms._weightSpectrumArray.data(),
contiguousms._flagArray.data(), contiguousms._outputPolarization);
}
void ContiguousMSReader::WriteImagingWeights(const float* buffer) {
ContiguousMS& contiguousms = static_cast<ContiguousMS&>(*ms_provider_);
if (_imagingWeightsColumn == nullptr) {
_imagingWeightsColumn.reset(new casacore::ArrayColumn<float>(
InitializeImagingWeightColumn(*(contiguousms._ms))));
}
const size_t data_desc_id = contiguousms._dataDescIdColumn(_currentInputRow);
const size_t start_channel = contiguousms.channel_ranges_[data_desc_id].start;
const size_t end_channel = contiguousms.channel_ranges_[data_desc_id].end;
_imagingWeightsColumn->get(_currentInputRow,
contiguousms._imagingWeightSpectrumArray);
schaapcommon::reordering::StoreWeights(
contiguousms._imagingWeightSpectrumArray.data(), start_channel,
end_channel, contiguousms.input_polarizations_[data_desc_id], buffer,
contiguousms._outputPolarization);
_imagingWeightsColumn->put(_currentInputRow,
contiguousms._imagingWeightSpectrumArray);
}
void ContiguousMSReader::readData() {
ContiguousMS& contiguousms = static_cast<ContiguousMS&>(*ms_provider_);
if (!_isDataRead) {
contiguousms._dataColumn.get(_currentInputRow, contiguousms._dataArray);
_isDataRead = true;
}
}
void ContiguousMSReader::readWeights() {
ContiguousMS& contiguousms = static_cast<ContiguousMS&>(*ms_provider_);
if (!_isWeightRead) {
contiguousms._flagColumn.get(_currentInputRow, contiguousms._flagArray);
if (contiguousms._msHasWeightSpectrum)
contiguousms._weightSpectrumColumn->get(
_currentInputRow, contiguousms._weightSpectrumArray);
else {
contiguousms._weightScalarColumn->get(_currentInputRow,
contiguousms._weightScalarArray);
ExpandScalarWeights(contiguousms._weightScalarArray,
contiguousms._weightSpectrumArray);
}
_isWeightRead = true;
}
}
void ContiguousMSReader::readModel() {
ContiguousMS& contiguousms = static_cast<ContiguousMS&>(*ms_provider_);
if (!_isModelRead) {
contiguousms._modelColumn.get(_currentInputRow, contiguousms._modelArray);
_isModelRead = true;
}
}
} // namespace wsclean
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