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#ifndef PARM_TABLE_H
#define PARM_TABLE_H
#include <map>
#include <set>
#include <stdexcept>
#include <casacore/ms/MeasurementSets/MSTable.h>
#include <casacore/tables/Tables/ArrayColumn.h>
#include <casacore/tables/Tables/ScalarColumn.h>
#include "../util/logger.h"
#include "../structures/image2d.h"
#include "../structures/timefrequencydata.h"
class ParmTable {
public:
struct GainNameEntry {
int index;
int x, y;
enum Component { Real, Imaginary } component;
std::string antenna;
GainNameEntry() : index(0), x(0), y(0), component(Real), antenna() {}
GainNameEntry(const GainNameEntry& source)
: index(source.index),
x(source.x),
y(source.y),
component(source.component),
antenna(source.antenna) {}
void operator=(const GainNameEntry& source) {
index = source.index;
x = source.x;
y = source.y;
component = source.component;
antenna = source.antenna;
}
};
explicit ParmTable(const std::string& path) : _path(path) { readNames(); }
std::set<std::string> GetAntennas() const {
std::set<std::string> antennas;
for (GainNameEntryMap::const_iterator i = _nameEntries.begin();
i != _nameEntries.end(); ++i) {
const GainNameEntry& entry = i->second;
antennas.insert(entry.antenna);
}
return antennas;
}
TimeFrequencyData Read(const std::string& antenna) {
Logger::Debug << "Reading antenna " << antenna << "\n";
// find the nameid's that we need to select
const int r00 = FindEntry(0, 0, GainNameEntry::Real, antenna).index,
r11 = FindEntry(1, 1, GainNameEntry::Real, antenna).index,
i00 = FindEntry(0, 0, GainNameEntry::Imaginary, antenna).index,
i11 = FindEntry(1, 1, GainNameEntry::Imaginary, antenna).index;
Logger::Debug << "Names: r00=" << r00 << ", "
<< "r11=" << r11 << ", "
<< "i00=" << i00 << ", "
<< "i11=" << i11 << "\n";
casacore::Table table(_path);
// Construct the images
unsigned width, height;
getImageDimensions(table, width, height, r00, r11, i00, i11);
Image2DPtr xxReal = Image2D::CreateZeroImagePtr(width, height),
yyReal = Image2D::CreateZeroImagePtr(width, height),
xxImag = Image2D::CreateZeroImagePtr(width, height),
yyImag = Image2D::CreateZeroImagePtr(width, height);
// Read data
casacore::ROScalarColumn<unsigned int> nameIdColumn(table, "NAMEID");
casacore::ROScalarColumn<double> startX(table, "STARTX"),
startY(table, "STARTY");
casacore::ROArrayColumn<double> values(table, "VALUES");
int xPos = 0, yPos = 0;
// double currentX=startX(0);
double currentY = startY(0);
unsigned r00Count = 0, r11Count = 0, i00Count = 0, i11Count = 0;
unsigned curXShape = 0;
unsigned componentMatches = 0;
for (unsigned row = 0; row < table.nrow(); ++row) {
int nameId = nameIdColumn(row);
if (nameId == r00 || nameId == r11 || nameId == i00 || nameId == i11) {
Image2DPtr destImage;
if (nameId == r00) {
destImage = xxReal;
++r00Count;
} else if (nameId == r11) {
destImage = yyReal;
++r11Count;
} else if (nameId == i00) {
destImage = xxImag;
++i00Count;
} else if (nameId == i11) {
destImage = yyImag;
++i11Count;
}
const unsigned curYShape = values.shape(row)[1];
const unsigned xShape = values.shape(row)[0];
if (xShape > curXShape) curXShape = xShape;
Logger::Debug << "Image has size " << xShape << " x " << curYShape
<< '\n';
const casacore::Array<double> valueArray = values(row);
casacore::Array<double>::const_iterator vIter = valueArray.begin();
for (unsigned y = 0; y < curYShape; ++y) {
for (unsigned x = 0; x < xShape; ++x) {
destImage->SetValue(yPos + y, xPos + x, *vIter);
++vIter;
}
}
++componentMatches;
if (componentMatches >= 4) {
if (startY(row) < currentY) {
xPos += curXShape;
yPos = 0;
curXShape = 0;
} else {
yPos += curYShape;
}
// currentX=startX(row);
currentY = startY(row);
componentMatches = 0;
}
}
}
Logger::Debug << "Counts: r00=" << r00Count << ", "
<< "r11=" << r11Count << ", "
<< "i00=" << i00Count << ", "
<< "i11=" << i11Count << "\n";
return TimeFrequencyData(aocommon::Polarization::XX, xxReal, xxImag,
aocommon::Polarization::YY, yyReal, yyImag);
}
const GainNameEntry& FindEntry(int x, int y, enum GainNameEntry::Component c,
const std::string& antenna) const {
for (GainNameEntryMap::const_iterator i = _nameEntries.begin();
i != _nameEntries.end(); ++i) {
const GainNameEntry& entry = i->second;
if (entry.x == x && entry.y == y && entry.component == c &&
entry.antenna == antenna) {
return entry;
}
}
throw std::runtime_error("Entry not found");
}
private:
void readNames() {
casacore::Table namesTable;
if (_path.size() > 0 && *_path.rbegin() != '/')
namesTable = casacore::Table(_path + "/NAMES");
else
namesTable = casacore::Table(_path + "NAMES");
casacore::ROScalarColumn<casacore::String> nameColumn(namesTable, "NAME");
for (unsigned i = 0; i != namesTable.nrow(); ++i) {
std::string name = nameColumn(i);
addName(i, name);
}
}
void getImageDimensions(casacore::Table& table, unsigned& width,
unsigned& height, int r00, int /*r11*/, int /*i00*/,
int /*i11*/) {
casacore::ROScalarColumn<unsigned int> nameIdColumn(table, "NAMEID");
casacore::ROScalarColumn<double> startX(table, "STARTX"),
startY(table, "STARTY");
casacore::ROArrayColumn<double> values(table, "VALUES");
int maxX = 0, yPos = 0;
int maxY = 0;
unsigned matches = 0;
unsigned curXShape = 0;
double currentX = startX(0), currentY = startY(0);
for (unsigned row = 0; row < table.nrow(); ++row) {
int nameId = nameIdColumn(row);
if (nameId == r00) {
const unsigned curYShape = values.shape(row)[1];
if (values.shape(row)[0] > (int)curXShape)
curXShape = values.shape(row)[0];
if (startX(row) < currentX)
throw std::runtime_error("Table is not correctly ordered");
yPos += curYShape;
if (startY(row) < currentY) {
maxX += curXShape;
curXShape = 0;
if (yPos > maxY) maxY = yPos;
yPos = 0;
}
currentX = startX(row);
currentY = startY(row);
++matches;
}
}
maxX += curXShape;
if (yPos > maxY) maxY = yPos;
width = maxY;
height = maxX;
Logger::Debug << "Rows in table: " << table.nrow()
<< "\n"
"Matching rows: "
<< matches
<< "\n"
"Number of blocks: "
<< maxX << " x " << maxY
<< "\n"
"Image size: "
<< width << " x " << height << "\n";
}
void addName(unsigned index, const std::string& line) {
size_t d1 = line.find(':');
std::string type = line.substr(0, d1);
if (type == "Gain") {
GainNameEntry entry;
size_t d2 = line.find(':', d1 + 1), d3 = line.find(':', d2 + 1),
d4 = line.find(':', d3 + 1);
entry.index = index;
entry.x = atoi(line.substr(d1 + 1, d2 - d1 - 1).c_str());
entry.y = atoi(line.substr(d2 + 1, d3 - d2 - 1).c_str());
std::string component = line.substr(d3 + 1, d4 - d3 - 1);
if (component == "Real")
entry.component = GainNameEntry::Real;
else if (component == "Imag")
entry.component = GainNameEntry::Imaginary;
else
throw std::runtime_error("Incorrect complex component type given");
entry.antenna = line.substr(d4 + 1);
_nameEntries.insert(std::pair<unsigned, GainNameEntry>(index, entry));
}
}
std::string _path;
typedef std::map<unsigned, GainNameEntry> GainNameEntryMap;
GainNameEntryMap _nameEntries;
};
#endif
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