/usr/include/casacore/measures/TableMeasures/ArrayQuantColumn.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_ARRAYQUANTCOLUMN_TCC
#define MEASURES_ARRAYQUANTCOLUMN_TCC
//# Includes
#include <casacore/measures/TableMeasures/ArrayQuantColumn.h>
#include <casacore/measures/TableMeasures/TableQuantumDesc.h>
#include <casacore/casa/Quanta/Quantum.h>
#include <casacore/casa/Quanta/Unit.h>
#include <casacore/tables/Tables/ArrayColumn.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>
ArrayQuantColumn<T>::ArrayQuantColumn()
: itsDataCol (0),
itsArrUnitsCol(0),
itsScaUnitsCol(0),
itsConvOut (False)
{}
template<class T>
ArrayQuantColumn<T>::ArrayQuantColumn (const Table& tab,
const String& columnName)
: itsDataCol (0),
itsArrUnitsCol(0),
itsScaUnitsCol(0),
itsConvOut (False)
{
init (tab, columnName);
itsUnitOut = itsUnit;
}
template<class T>
ArrayQuantColumn<T>::ArrayQuantColumn (const Table& tab,
const String& columnName,
const Unit& u)
: itsDataCol (0),
itsArrUnitsCol(0),
itsScaUnitsCol(0)
{
init (tab, columnName);
itsUnitOut.resize(1);
itsUnitOut(0) = u;
itsConvOut = (! itsUnitOut(0).getName().empty());
}
template<class T>
ArrayQuantColumn<T>::ArrayQuantColumn (const Table& tab,
const String& columnName,
const Vector<Unit>& u)
: itsDataCol (0),
itsArrUnitsCol(0),
itsScaUnitsCol(0)
{
init (tab, columnName);
itsUnitOut.resize(u.nelements());
itsUnitOut = u;
itsConvOut = False;
for (uInt i=0; i<itsUnitOut.nelements(); i++) {
if (! itsUnitOut(i).getName().empty()) {
itsConvOut = True;
break;
}
}
}
template<class T>
ArrayQuantColumn<T>::ArrayQuantColumn (const ArrayQuantColumn<T>& that)
: itsDataCol (0),
itsArrUnitsCol(0),
itsScaUnitsCol(0)
{
reference (that);
}
template<class T>
ArrayQuantColumn<T>::~ArrayQuantColumn()
{
cleanUp();
}
template<class T>
void ArrayQuantColumn<T>::cleanUp()
{
delete itsDataCol;
itsDataCol = 0;
delete itsArrUnitsCol;
itsArrUnitsCol = 0;
delete itsScaUnitsCol;
itsScaUnitsCol = 0;
}
template<class T>
void ArrayQuantColumn<T>::init (const Table& tab, const String& columnName)
{
TableQuantumDesc* tqDesc =
TableQuantumDesc::reconstruct(tab.tableDesc(), columnName);
if (tqDesc->isUnitVariable()) {
// the variable units column could be either an Array or a Scalar
String varColName = tqDesc->unitColumnName();
if (tab.tableDesc().columnDesc(varColName).isScalar()) {
itsScaUnitsCol = new ScalarColumn<String>(tab, varColName);
} else {
itsArrUnitsCol = new ArrayColumn<String>(tab, varColName);
}
} else {
Vector<String> units = tqDesc->getUnits();
itsUnit.resize (units.nelements());
for (uInt i=0; i<units.nelements(); i++) {
itsUnit(i) = units(i);
}
}
itsDataCol = new ArrayColumn<T>(tab, columnName);
delete tqDesc;
}
template<class T>
void ArrayQuantColumn<T>::reference (const ArrayQuantColumn<T>& that)
{
cleanUp();
itsUnit.resize (that.itsUnit.nelements());
itsUnitOut.resize (that.itsUnitOut.nelements());
itsUnit = that.itsUnit;
itsUnitOut = that.itsUnitOut;
itsConvOut = that.itsConvOut;
if (that.itsDataCol != 0) {
itsDataCol = new ArrayColumn<T>(*that.itsDataCol);
}
if (that.itsArrUnitsCol != 0) {
itsArrUnitsCol = new ArrayColumn<String>(*that.itsArrUnitsCol);
}
if (that.itsScaUnitsCol != 0) {
itsScaUnitsCol = new ScalarColumn<String>(*that.itsScaUnitsCol);
}
}
template<class T>
void ArrayQuantColumn<T>::attach (const Table& tab,
const String& columnName)
{
reference(ArrayQuantColumn<T> (tab, columnName));
}
template<class T>
void ArrayQuantColumn<T>::attach (const Table& tab,
const String& columnName,
const Unit& u)
{
reference(ArrayQuantColumn<T> (tab, columnName, u));
}
template<class T>
void ArrayQuantColumn<T>::attach (const Table& tab,
const String& columnName,
const Vector<Unit>& u)
{
reference(ArrayQuantColumn<T> (tab, columnName, u));
}
template<class T>
Vector<String> ArrayQuantColumn<T>::getUnits() const
{
Vector<String> names(itsUnit.nelements());
for (uInt i=0; i<itsUnit.nelements(); i++) {
names(i) = itsUnit(i).getName();
}
return names;
}
template<class T>
void ArrayQuantColumn<T>::getData (uInt rownr, Array<Quantum<T> >& q,
Bool resize) const
{
// Quantums are created and put into q by taking T data from
// itsDataCol and Quantum units from one of itsArrUnitsCol (if units
// are in a ArrayColumn) or itsScaUnitsCol (if units are in a
// ScalarColumn) or from itsUnit (if units are static).
// getStorage() is used on each array to return pointers which are
// used to iterate through the respective arrays.
Bool deleteData;
Array<T> tmpDataCol = (*itsDataCol)(rownr);
const T* d_p = tmpDataCol.getStorage(deleteData);
// Ensure q is the correct size. Resize if needed.
IPosition shp = tmpDataCol.shape();
if (!shp.isEqual(q.shape())) {
if (resize || q.nelements() == 0) {
q.resize(shp);
} else {
throw(TableArrayConformanceError("ArrayQuantColumn::get"));
}
}
Bool deleteQuant;
Quantum<T>* q_p = q.getStorage(deleteQuant);
const String* u_p=0;
Bool deleteUnits;
Array<String> tmpUnitsCol;
Vector<Unit> localUnit(itsUnit);
if (itsArrUnitsCol != 0) {
Array<String> tmp = (*itsArrUnitsCol)(rownr);
tmpUnitsCol.reference (tmp);
u_p = tmpUnitsCol.getStorage(deleteUnits);
} else if (itsScaUnitsCol != 0) {
localUnit.resize(1);
localUnit(0) = (*itsScaUnitsCol)(rownr);
}
uInt nrun = localUnit.nelements();
uInt n = tmpDataCol.nelements();
for (uInt i=0; i<n; i++) {
q_p[i].setValue (d_p[i]);
if (itsArrUnitsCol != 0) {
q_p[i].setUnit (u_p[i]);
} else {
q_p[i].setUnit (localUnit(i%nrun));
}
}
tmpDataCol.freeStorage (d_p, deleteData);
q.putStorage (q_p, deleteQuant);
if (itsArrUnitsCol != 0) {
tmpUnitsCol.freeStorage (u_p, deleteUnits);
}
}
template<class T>
void ArrayQuantColumn<T>::get (uInt rownr, Array<Quantum<T> >& q,
Bool resize) const
{
if (itsConvOut) {
get (rownr, q, itsUnitOut, resize);
} else {
getData (rownr, q, resize);
}
}
template<class T>
void ArrayQuantColumn<T>::get (uInt rownr, Array<Quantum<T> >& q,
const Unit& u, Bool resize) const
{
getData (rownr, q, resize);
if (! u.getName().empty()) {
Bool deleteIt;
Quantum<T>* q_p = q.getStorage(deleteIt);
uInt n = q.nelements();
for (uInt i=0; i<n; i++) {
q_p[i].convert (u);
}
q.putStorage(q_p, deleteIt);
}
}
template<class T>
void ArrayQuantColumn<T>::get (uInt rownr, Array<Quantum<T> >& q,
const Vector<Unit>& u, Bool resize) const
{
getData (rownr, q, resize);
Bool hasUnits = False;
uInt nrun = u.nelements();
Vector<Bool> hasUnit(nrun, False);
for (uInt i=0; i<nrun; i++) {
if (!u(i).getName().empty()) {
hasUnits = True;
hasUnit(i) = True;
}
}
if (hasUnits) {
Bool deleteIt;
Quantum<T>* q_p = q.getStorage(deleteIt);
uInt n = q.nelements();
for (uInt i=0; i<n; i++) {
uInt inx = i%nrun;
if (hasUnit(inx)) {
q_p[i].convert (u(inx));
}
}
q.putStorage(q_p, deleteIt);
}
}
template<class T>
void ArrayQuantColumn<T>::get (uInt rownr, Array<Quantum<T> >& q,
const Quantum<T>& other,
Bool resize) const
{
get (rownr, q, other.getFullUnit(), resize);
}
template<class T>
Array<Quantum<T> > ArrayQuantColumn<T>::operator() (uInt rownr) const
{
Array<Quantum<T> > q;
get (rownr, q);
return q;
}
template<class T>
Array<Quantum<T> > ArrayQuantColumn<T>::operator() (uInt rownr,
const Unit& u) const
{
Array<Quantum<T> > q;
get (rownr, q, u);
return q;
}
template<class T>
Array<Quantum<T> > ArrayQuantColumn<T>::operator() (uInt rownr,
const Vector<Unit>& u) const
{
Array<Quantum<T> > q;
get (rownr, q, u);
return q;
}
template<class T>
Array<Quantum<T> > ArrayQuantColumn<T>::operator()
(uInt rownr, const Quantum<T>& other) const
{
Array<Quantum<T> > q;
get (rownr, q, other);
return q;
}
template<class T>
void ArrayQuantColumn<T>::throwIfNull() const
{
if (isNull()) {
throw (TableInvOper("Quantum table column is null"));
}
}
template<class T>
void ArrayQuantColumn<T>::put (uInt rownr, const Array<Quantum<T> >& q)
{
// Each quantum in q is separated out into its T component and
// Unit component which are stored in itsDataCol and, if Units are
// variable, itsArrUnitsCol repsectively. If units are not variable
// each quantum is first converted into local units before it is
// saved.
// If q is empty, write empty arrays.
const uInt n = q.nelements();
if (n == 0) {
Array<T> arr;
itsDataCol->put (rownr, arr);
if (itsArrUnitsCol != 0) {
Array<String> arru;
itsArrUnitsCol->put (rownr, arru);
} else if (itsScaUnitsCol != 0) {
itsScaUnitsCol->put (rownr, String());
}
return;
}
Array<T> dataArr(q.shape());
Bool deleteData;
T* d_p = dataArr.getStorage(deleteData);
Bool deleteQuant;
const Quantum<T>* q_p = q.getStorage(deleteQuant);
// If units are variable they could vary per element of the quantum
// array (i.e., the units column is also an array) or they could vary
// by row (i.e., the units column is a Scalar Column where each row
// contains a single unit entry). When variable by row, the unit of the
// first quantum in q is used.
Bool deleteUnits;
String* u_p;
Array<String> unitsArr;
Vector<Unit> localUnit(itsUnit);
if (itsArrUnitsCol != 0) {
unitsArr.resize(q.shape());
u_p = unitsArr.getStorage(deleteUnits);
} else if (itsScaUnitsCol != 0) {
// Take the value for unit from the first entry in q. This
// is safe because we know here that q contains at least 1 entry.
localUnit.resize(1);
localUnit(0) = q_p[0].getFullUnit();
itsScaUnitsCol->put (rownr, localUnit(0).getName());
}
uInt nrun = localUnit.nelements();
// Copy the value component of each quantum into the local data array.
// If using an array to store units, copy quantum unit to local unit array
for (uInt i=0; i<n; i++) {
if (itsArrUnitsCol != 0) {
u_p[i] = q_p[i].getFullUnit().getName();
d_p[i] = q_p[i].getValue();
} else {
// Convert to fixed unit.
d_p[i] = q_p[i].getValue (localUnit(i%nrun));
}
}
// update the real columns.
dataArr.putStorage (d_p, deleteData);
itsDataCol->put (rownr, dataArr);
if (itsArrUnitsCol != 0) {
unitsArr.putStorage (u_p, deleteUnits);
itsArrUnitsCol->put (rownr, unitsArr);
}
q.freeStorage(q_p, deleteQuant);
}
//# Declare extern templates for often used types.
#ifdef AIPS_CXX11
extern template class Array<Quantum<Double> >;
#endif
} //# NAMESPACE CASACORE - END
#endif
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