/usr/include/casacore/lattices/Lattices/LatticeUtilities.tcc is in casacore-dev 2.2.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 | //# LatticeUtilities.cc: defines the Lattice Utilities global functions//# Copyright (C) 1995,1996,1997,1999,2000,2001,2002,2003,2004
//# 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 LATTICES_LATTICEUTILITIES_TCC
#define LATTICES_LATTICEUTILITIES_TCC
#include <casacore/lattices/Lattices/LatticeUtilities.h>
#include <casacore/casa/Arrays/Array.h>
#include <casacore/casa/Arrays/Slicer.h>
#include <casacore/casa/Arrays/ArrayMath.h>
#include <casacore/casa/Arrays/MaskedArray.h>
#include <casacore/casa/Arrays/IPosition.h>
#include <casacore/lattices/Lattices/Lattice.h>
#include <casacore/lattices/Lattices/ArrayLattice.h>
#include <casacore/lattices/Lattices/ExtendLattice.h>
#include <casacore/lattices/Lattices/SubLattice.h>
#include <casacore/lattices/Lattices/MaskedLatticeIterator.h>
#include <casacore/lattices/Lattices/LatticeStepper.h>
#include <casacore/lattices/Lattices/MaskedLattice.h>
#include <casacore/lattices/LatticeMath/LatticeStatistics.h>
#include <casacore/lattices/Lattices/RebinLattice.h>
#include <casacore/casa/Logging/LogIO.h>
#include <casacore/casa/BasicMath/Math.h>
#include <casacore/casa/Exceptions/Error.h>
#include <casacore/casa/Utilities/Assert.h>
#include <casacore/casa/iostream.h>
namespace casacore { //# namespace casacore begin
// LatticeUtilities
template <class T>
void LatticeUtilities::copyDataAndMask(LogIO& os, MaskedLattice<T>& out,
const MaskedLattice<T>& in,
Bool zeroMasked)
//
// This function coould be implemented with LEL
// but requires two passes if zeroMask=True so
// we leave it as it is
{
// Do we need to stuff about with masks ? Even if the input
// does not have a mask, it has a 'virtual' mask of all True.
// Therefore we need to transfer those mask values to the
// output if an output mask exists.
Bool doMask = out.isMasked() && out.hasPixelMask();
Lattice<Bool>* pMaskOut = 0;
if (doMask) {
pMaskOut = &out.pixelMask();
if (!pMaskOut->isWritable()) {
doMask = False;
os << LogIO::WARN << "The output image has a mask but it is not writable" << endl;
os << LogIO::WARN << "So the mask will not be transferred to the output" << LogIO::POST;
}
}
if (!doMask) zeroMasked = False;
// Use the same stepper for input and output.
IPosition cursorShape = out.niceCursorShape();
LatticeStepper stepper (out.shape(), cursorShape, LatticeStepper::RESIZE);
// Create input lattice iterator
RO_MaskedLatticeIterator<T> iter(in, stepper);
for (iter.reset(); !iter.atEnd(); iter++) {
// Put the pixels
IPosition cursorShape = iter.cursorShape();
if (zeroMasked) {
Array<T> pixels = iter.cursor().copy();
const Array<Bool>& mask = iter.getMask();
//
typename Array<Bool>::const_iterator mIt;
typename Array<T>::iterator dIt;
typename Array<T>::iterator dItend = pixels.end();
for (dIt=pixels.begin(),mIt=mask.begin(); dIt!=dItend; ++dIt,++mIt) {
if (!(*mIt)) *dIt = 0.0;
}
out.putSlice(pixels, iter.position());
} else {
out.putSlice(iter.cursor(), iter.position());
}
// Put the mask
if (doMask) {
pMaskOut->putSlice(iter.getMask(), iter.position());
}
}
}
template <class T>
void LatticeUtilities::replicate (Lattice<T>& lat,
const Slicer& region,
const Array<T>& pixels)
{
SubLattice<T> subLattice(lat, region, True);
const IPosition shapePixels = pixels.shape();
const IPosition shapeLattice = subLattice.shape();
AlwaysAssert(shapePixels.nelements()<=shapeLattice.nelements(),AipsError);
//
LatticeStepper stepper(shapeLattice, shapePixels, LatticeStepper::RESIZE);
LatticeIterator<T> iter(subLattice, stepper);
for (iter.reset(); !iter.atEnd(); iter++) {
subLattice.putSlice(pixels, iter.position());
}
}
template <class T>
void LatticeUtilities::addDegenerateAxes (Lattice<T>*& pLatOut, const Lattice<T>& latIn,
uInt nDim)
{
delete pLatOut; pLatOut = 0;
const uInt dimIn = latIn.ndim();
if (nDim < dimIn ) {
throw (AipsError ("Input Lattice has more dimensions than desired output Lattice"));
} else if (nDim == dimIn) {
pLatOut = new SubLattice<T>(latIn);
} else {
IPosition newShape(nDim,1);
newShape.setFirst (latIn.shape());
IPosition tPath = IPosition::makeAxisPath(newShape.nelements());
IPosition newAxes = tPath.getLast(nDim-dimIn);
IPosition stretchAxes;
//
pLatOut = new ExtendLattice<T>(latIn, newShape, newAxes, stretchAxes);
}
}
template <typename T>
void LatticeUtilities::bin (MaskedArray<T>& out, const MaskedArray<T>& in,
uInt axis, uInt bin)
{
// Check
const uInt nDim = in.ndim();
AlwaysAssert(axis<nDim, AipsError);
// Make input MaskedLattice
ArrayLattice<T> data(in.getArray());
ArrayLattice<Bool> mask(in.getMask());
//
SubLattice<T> mLat(data);
mLat.setPixelMask(mask, False);
// Create binner
IPosition factors(nDim,1);
factors(axis) = bin;
RebinLattice<T> binLat(mLat, factors);
// Assign output MA
MaskedArray<T> tmp(binLat.get(), binLat.getMask());
out = tmp;
}
} //# End namespace casacore
#endif
|