/usr/include/casacore/measures/TableMeasures/ScalarQuantColumn.tcc is in casacore-dev 2.2.0-2.
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//# Copyright (C) 1997,1998,1999,2000,2001
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id$
#ifndef MEASURES_SCALARQUANTCOLUMN_TCC
#define MEASURES_SCALARQUANTCOLUMN_TCC
//# Includes
#include <casacore/measures/TableMeasures/ScalarQuantColumn.h>
#include <casacore/measures/TableMeasures/TableQuantumDesc.h>
#include <casacore/casa/Quanta/Quantum.h>
#include <casacore/casa/Quanta/Unit.h>
#include <casacore/tables/Tables/ScalarColumn.h>
#include <casacore/tables/Tables/Table.h>
#include <casacore/tables/Tables/TableDesc.h>
#include <casacore/tables/Tables/ColumnDesc.h>
#include <casacore/tables/Tables/TableError.h>
#include <casacore/casa/BasicSL/String.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
template<class T>
ScalarQuantColumn<T>::ScalarQuantColumn()
: itsDataCol (0),
itsUnitsCol(0),
itsConvOut (False)
{}
template<class T>
ScalarQuantColumn<T>::ScalarQuantColumn (const Table& tab,
const String& columnName)
: itsDataCol (0),
itsUnitsCol(0),
itsConvOut (False)
{
init (tab, columnName);
itsUnitOut = itsUnit;
}
template<class T>
ScalarQuantColumn<T>::ScalarQuantColumn (const Table& tab,
const String& columnName,
const Unit& u)
: itsDataCol (0),
itsUnitsCol(0)
{
init (tab, columnName);
itsUnitOut = u;
itsConvOut = (! itsUnitOut.getName().empty());
}
template<class T>
ScalarQuantColumn<T>::~ScalarQuantColumn()
{
cleanUp();
}
template<class T>
void ScalarQuantColumn<T>::cleanUp()
{
delete itsDataCol;
itsDataCol = 0;
delete itsUnitsCol;
itsUnitsCol = 0;
}
template<class T>
ScalarQuantColumn<T>::ScalarQuantColumn (const ScalarQuantColumn<T>& that)
: itsDataCol (0),
itsUnitsCol(0)
{
reference (that);
}
template<class T>
void ScalarQuantColumn<T>::init (const Table& tab, const String& columnName)
{
TableQuantumDesc* tqDesc =
TableQuantumDesc::reconstruct (tab.tableDesc(), columnName);
if (tqDesc->isUnitVariable()) {
itsUnitsCol = new ScalarColumn<String>(tab, tqDesc->unitColumnName());
} else {
Vector<String> units (tqDesc->getUnits());
if (units.nelements() > 0) {
if (units.nelements() > 1) {
throw (AipsError ("ScalarQuantColumn is used for column " +
columnName + " but its description has >1 units"));
}
itsUnit = units(0);
}
}
itsDataCol = new ScalarColumn<T>(tab, columnName);
delete tqDesc;
}
template<class T>
void ScalarQuantColumn<T>::reference (const ScalarQuantColumn<T>& that)
{
cleanUp();
itsUnit = that.itsUnit;
itsUnitOut = that.itsUnitOut;
itsConvOut = that.itsConvOut;
if (that.itsDataCol != 0) {
itsDataCol = new ScalarColumn<T>(*that.itsDataCol);
}
if (that.itsUnitsCol != 0) {
itsUnitsCol = new ScalarColumn<String>(*that.itsUnitsCol);
}
}
template<class T>
void ScalarQuantColumn<T>::attach (const Table& tab,
const String& columnName)
{
reference (ScalarQuantColumn<T>(tab, columnName));
}
template<class T>
void ScalarQuantColumn<T>::attach (const Table& tab,
const String& columnName,
const Unit& u)
{
reference (ScalarQuantColumn<T>(tab, columnName, u));
}
template<class T>
void ScalarQuantColumn<T>::throwIfNull() const
{
if (isNull()) {
throw (TableInvOper("Quantum table column is null"));
}
}
template<class T>
void ScalarQuantColumn<T>::getData (uInt rownr, Quantum<T>& q) const
{
// Quantums are created from Ts stored in itsDataCol and Units
// in itsUnitsCol, if units are variable, or itsUnit if non-variable.
q.setValue ((*itsDataCol)(rownr));
if (itsUnitsCol != 0) {
q.setUnit ((*itsUnitsCol)(rownr));
} else {
q.setUnit (itsUnit);
}
}
template<class T>
void ScalarQuantColumn<T>::get (uInt rownr, Quantum<T>& q) const
{
getData (rownr, q);
if (itsConvOut) {
q.convert (itsUnitOut);
}
}
template<class T>
void ScalarQuantColumn<T>::get (uInt rownr, Quantum<T>& q,
const Unit& u) const
{
getData (rownr, q);
q.convert (u);
}
template<class T>
void ScalarQuantColumn<T>::get (uInt rownr, Quantum<T>& q,
const Quantum<T>& other) const
{
getData (rownr, q);
q.convert (other);
}
template<class T>
Quantum<T> ScalarQuantColumn<T>::operator() (uInt rownr) const
{
Quantum<T> q;
get (rownr, q);
return q;
}
template<class T>
Quantum<T> ScalarQuantColumn<T>::operator() (uInt rownr,
const Unit& u) const
{
Quantum<T> q;
get (rownr, q, u);
return q;
}
template<class T>
Quantum<T> ScalarQuantColumn<T>::operator() (uInt rownr,
const Quantum<T>& other) const
{
Quantum<T> q;
get (rownr, q, other);
return q;
}
template<class T>
void ScalarQuantColumn<T>::put (uInt rownr, const Quantum<T>& q)
{
// The value component of the quantum is stored in itsDataCol and the
// unit component in itsUnitsCol unless Units are non-variable in
// which case the Unit component is ignored (i.e., the Quantum's unit
// is not checked against the Column's unit).
if (itsUnitsCol != 0) {
itsUnitsCol->put (rownr, q.getUnit());
itsDataCol->put (rownr, q.getValue());
} else {
itsDataCol->put (rownr, q.getValue(itsUnit));
}
}
template<class T>
SHARED_PTR<Quantum<Vector<T> > > ScalarQuantColumn<T>::getColumn(const Unit& unit) const {
SHARED_PTR<Quantum<Vector<T> > > qv;
if ((itsUnitsCol && itsUnitsCol->nrow() > 0) || ! unit.empty()) {
Unit unitOut;
if (! unit.empty()) {
unitOut = unit;
}
else {
unitOut = itsUnitsCol->get(0);
}
qv.reset(new Quantum<Vector<T> >(Vector<T>(), unitOut));
Vector<T>& val = qv->getValue();
itsDataCol->getColumn(val);
Quantum<T> q;
for (uInt i = 0; i < val.size(); ++i) {
get(i, q, unitOut);
val[i] = q.getValue();
}
}
else {
qv.reset(new Quantum<Vector<T> >(Vector<T>(), itsUnit));
Vector<T>& val = qv->getValue();
itsDataCol->getColumn(val);
}
return qv;
}
} //# NAMESPACE CASACORE - END
#endif
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