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//# LCMask.cc: Class to define a rectangular mask of interest
//# Copyright (C) 2000,2001,2003
//# 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
//#
//# $Id$
#include <casacore/lattices/LRegions/LCMask.h>
#include <casacore/lattices/Lattices/TempLattice.h>
#include <casacore/tables/Tables/TableRecord.h>
#include <casacore/casa/Arrays/Vector.h>
#include <casacore/casa/Exceptions/Error.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
LCMask::LCMask()
{}
LCMask::LCMask (const IPosition& lattShape)
: LCRegionSingle (lattShape),
itsBox (IPosition(lattShape.nelements(), 0),
lattShape-1, lattShape),
itsMask (0)
{
setBoundingBox (itsBox.boundingBox());
itsMask = new TempLattice<Bool> (lattShape);
setMaskPtr (*itsMask);
}
LCMask::LCMask (const IPosition& maskShape, const LCBox& box)
: LCRegionSingle (box.latticeShape()),
itsBox (box),
itsMask (0)
{
// Check if box shape and mask shape are equal.
if (itsBox.shape() != maskShape) {
throw (AipsError ("LCMask::LCMask- "
"shape of mask and box differ"));
}
setBoundingBox (itsBox.boundingBox());
itsMask = new TempLattice<Bool> (maskShape);
setMaskPtr (*itsMask);
}
LCMask::LCMask (Lattice<Bool>& mask)
: LCRegionSingle (mask.shape()),
itsBox (IPosition(mask.shape().nelements(), 0),
mask.shape()-1, mask.shape()),
itsMask (0)
{
setBoundingBox (itsBox.boundingBox());
itsMask = mask.clone();
setMaskPtr (*itsMask);
}
LCMask::LCMask (Lattice<Bool>& mask, const LCBox& box)
: LCRegionSingle (box.latticeShape()),
itsBox (box)
{
// Check if box shape and mask shape are equal.
if (itsBox.shape() != mask.shape()) {
throw (AipsError ("LCMask::LCMask- "
"shape of mask and box differ"));
}
setBoundingBox (itsBox.boundingBox());
itsMask = mask.clone();
setMaskPtr (*itsMask);
}
LCMask::LCMask (const LCMask& other)
: LCRegionSingle (other),
itsBox (other.itsBox),
itsMask (0)
{
itsMask = other.itsMask->clone();
setMaskPtr (*itsMask);
}
LCMask::~LCMask()
{
delete itsMask;
}
LCMask& LCMask::operator= (const LCMask& that)
{
if (this != &that) {
LCRegionSingle::operator= (that);
itsBox = that.itsBox;
delete itsMask;
itsMask = 0;
itsMask = that.itsMask->clone();
setMaskPtr (*itsMask);
}
return *this;
}
Bool LCMask::operator== (const LCRegion& other) const
{
// Check if parent class matches.
// If so, we can safely cast.
if (! LCRegionSingle::operator== (other)) {
return False;
}
const LCMask& that = (const LCMask&)other;
// Check the box and mask.
return (itsBox == that.itsBox && masksEqual (that));
}
LCRegion* LCMask::cloneRegion() const
{
return new LCMask(*this);
}
uInt LCMask::advisedMaxPixels() const
{
return itsMask->advisedMaxPixels();
}
IPosition LCMask::doNiceCursorShape (uInt maxPixels) const
{
return itsMask->niceCursorShape (maxPixels);
}
uInt LCMask::maximumCacheSize() const
{
return itsMask->maximumCacheSize();
}
void LCMask::setMaximumCacheSize (uInt howManyPixels)
{
itsMask->setMaximumCacheSize (howManyPixels);
}
void LCMask::setCacheSizeFromPath (const IPosition& sliceShape,
const IPosition& windowStart,
const IPosition& windowLength,
const IPosition& axisPath)
{
itsMask->setCacheSizeFromPath (sliceShape, windowStart, windowLength,
axisPath);
}
void LCMask::setCacheSizeInTiles (uInt howManyTiles)
{
itsMask->setCacheSizeInTiles (howManyTiles);
}
void LCMask::clearCache()
{
itsMask->clearCache();
}
void LCMask::showCacheStatistics (ostream& os) const
{
itsMask->showCacheStatistics (os);
}
LatticeIterInterface<Bool>* LCMask::makeIter
(const LatticeNavigator& navigator,
Bool useRef) const
{
return itsMask->makeIter (navigator, useRef);
}
Bool LCMask::lock (FileLocker::LockType type, uInt nattempts)
{
// Lock the PagedArray containing the mask.
return itsMask->lock (type, nattempts);
}
void LCMask::unlock()
{
// Unlock the PagedArray containing the mask.
itsMask->unlock();
}
Bool LCMask::hasLock (FileLocker::LockType type) const
{
return itsMask->hasLock (type);
}
void LCMask::resync()
{
itsMask->resync();
}
void LCMask::flush()
{
itsMask->flush();
}
void LCMask::tempClose()
{
itsMask->tempClose();
}
void LCMask::reopen()
{
itsMask->reopen();
}
LCRegion* LCMask::doTranslate (const Vector<Float>&,
const IPosition&) const
{
// An LCMask cannot be translated.
throw (AipsError ("LCMask::translate is not supported"));
return 0;
}
String LCMask::className()
{
return "LCMask";
}
String LCMask::type() const
{
return className();
}
TableRecord LCMask::toRecord (const String&) const
{
throw AipsError ("LCMask::toRecord is not supported");
return TableRecord();;
}
Bool LCMask::isWritable() const
{
return itsMask->isWritable();
}
} //# NAMESPACE CASACORE - END
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