/usr/include/casacore/images/Images/ImageConcat.tcc is in casacore-dev 2.2.0-2.
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//# Copyright (C) 1995,1997,1998,1999,2000,2001,2002,2003
//# 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: ImageConcat.tcc 21563 2015-02-16 07:05:15Z gervandiepen $
#ifndef IMAGES_IMAGECONCAT_TCC
#define IMAGES_IMAGECONCAT_TCC
#include <casacore/images/Images/ImageConcat.h>
#include <casacore/images/Images/ImageOpener.h>
#include <casacore/casa/OS/Timer.h>
#include <casacore/casa/OS/Path.h>
#include <casacore/casa/OS/Directory.h>
#include <casacore/casa/Arrays/ArrayLogical.h>
#include <casacore/casa/Arrays/ArrayMath.h>
#include <casacore/casa/Arrays/ArrayUtil.h>
#include <casacore/casa/Arrays/IPosition.h>
#include <casacore/casa/Containers/Block.h>
#include <casacore/casa/Containers/Record.h>
#include <casacore/casa/Json/JsonOut.h>
#include <casacore/casa/Exceptions/Error.h>
#include <casacore/casa/Logging/LogIO.h>
#include <casacore/casa/Utilities/Assert.h>
#include <casacore/casa/Utilities/ValType.h>
#include <casacore/casa/iostream.h>
#include <casacore/coordinates/Coordinates/CoordinateSystem.h>
#include <casacore/coordinates/Coordinates/TabularCoordinate.h>
#include <casacore/coordinates/Coordinates/StokesCoordinate.h>
#include <casacore/images/Images/ImageSummary.h>
#include <casacore/images/Images/ImageInterface.h>
#include <casacore/images/Images/ImageInfo.h>
#include <casacore/images/Images/LELImageCoord.h>
#include <casacore/lattices/Lattices/LatticeConcat.h>
#include <casacore/lattices/Lattices/MaskedLattice.h>
#include <casacore/lattices/LEL/LELCoordinates.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
template<class T>
ImageConcat<T>::ImageConcat()
: latticeConcat_p(),
warnAxisNames_p(True),
warnAxisUnits_p(True),
warnImageUnits_p(True),
warnRefPix_p(True),
warnRefVal_p(True),
warnInc_p(True),
warnTab_p(True),
isContig_p(True)
{}
template<class T>
ImageConcat<T>::ImageConcat (uInt axis, Bool tempClose)
: latticeConcat_p(axis, tempClose),
warnAxisNames_p(True),
warnAxisUnits_p(True),
warnImageUnits_p(True),
warnContig_p(True),
warnRefPix_p(True),
warnRefVal_p(True),
warnInc_p(True),
warnTab_p(True),
isContig_p(True)
{}
template<class T>
ImageConcat<T>::ImageConcat (const ImageConcat<T>& other)
: ImageInterface<T>(other),
latticeConcat_p(other.latticeConcat_p),
warnAxisNames_p(other.warnAxisNames_p),
warnAxisUnits_p(other.warnAxisUnits_p),
warnImageUnits_p(other.warnImageUnits_p),
warnContig_p(other.warnContig_p),
warnRefPix_p(other.warnRefPix_p),
warnRefVal_p(other.warnRefVal_p),
warnInc_p(other.warnInc_p),
warnTab_p(other.warnTab_p),
isContig_p(other.isContig_p),
fileName_p(other.fileName_p),
pixelValues_p(other.pixelValues_p.copy()),
worldValues_p(other.worldValues_p.copy()),
originalAxisType_p(other.originalAxisType_p)
{
isImage_p.resize(other.isImage_p.nelements());
isImage_p = other.isImage_p;
}
template<class T>
ImageConcat<T>::~ImageConcat()
{}
template<class T>
ImageConcat<T>& ImageConcat<T>::operator= (const ImageConcat<T>& other)
{
if (this != &other) {
ImageInterface<T>::operator= (other);
latticeConcat_p = other.latticeConcat_p;
warnAxisNames_p = other.warnAxisNames_p;
warnAxisUnits_p = other.warnAxisUnits_p;
warnImageUnits_p = other.warnImageUnits_p;
warnContig_p = other.warnContig_p;
warnRefPix_p = other.warnRefPix_p;
warnRefVal_p = other.warnRefVal_p;
warnInc_p = other.warnInc_p;
warnTab_p = other.warnTab_p;
isContig_p = other.isContig_p;
fileName_p = other.fileName_p;
isImage_p.resize(other.isImage_p.nelements());
isImage_p = other.isImage_p;
pixelValues_p.resize(other.pixelValues_p.nelements());
pixelValues_p = other.pixelValues_p;
worldValues_p.resize(other.worldValues_p.nelements());
worldValues_p = other.worldValues_p;
originalAxisType_p = other.originalAxisType_p;
}
return *this;
}
template<class T>
ImageInterface<T>* ImageConcat<T>::cloneII() const
{
return new ImageConcat(*this);
}
template<class T>
ImageConcat<T>::ImageConcat (const JsonKVMap& jmap, const String& fileName)
: latticeConcat_p(),
warnAxisNames_p(True),
warnAxisUnits_p(True),
warnImageUnits_p(True),
warnContig_p(True),
warnRefPix_p(True),
warnRefVal_p(True),
warnInc_p(True),
warnTab_p(True),
isContig_p(True),
fileName_p(Path(fileName).absoluteName())
{
// This must be the opposite of function save.
AlwaysAssert (jmap.getInt("Version", 1) == 1, AipsError);
uInt axis = jmap.get("Axis").getInt();
Bool tmpClose = jmap.getBool("TempClose", True);
Vector<String> names(jmap.get("Images").getArrayString());
latticeConcat_p=LatticeConcat<T>(axis, tmpClose);
for (uInt i=0; i<names.size(); ++i) {
// Add directory of parent as needed.
String name = Path::addDirectory (names[i], fileName_p);
LatticeBase* latt = ImageOpener::openImage (name);
ImageInterface<T>* img = dynamic_cast<ImageInterface<T>*>(latt);
if (img == 0) {
delete latt;
throw AipsError ("ImageConcat " + fileName +
" contains image " + names[i] +
" of another data type");
}
setImage (*img, True);
delete img;
}
}
template<class T>
void ImageConcat<T>::save (const String& fileName) const
{
// Note that an ImageConcat is opened by ImageOpener.
// Check that all images used are persistent.
for (uInt i=0; i<latticeConcat_p.nlattices(); ++i) {
if (! latticeConcat_p.lattice(i)->isPersistent()) {
throw AipsError ("ImageConcat cannot be made persistent, because one of "
"its images is not persistent");
}
}
// Get the absolute file name.
String fullName = Path(fileName).absoluteName();
// Create the directory if not existing already.
Directory dir(fullName);
if (! dir.exists()) {
dir.create (False);
}
// Create the Json file.
JsonOut jout(fullName + "/imageconcat.json");
jout.start();
jout.write ("Version", 1);
String dt(ValType::getTypeStr(this->dataType()));
dt.trim();
jout.write ("DataType", dt);
jout.write ("Axis", latticeConcat_p.axis());
jout.write ("TempClose", latticeConcat_p.isTempClose());
Vector<String> names(latticeConcat_p.nlattices());
for (uInt i=0; i<latticeConcat_p.nlattices(); ++i) {
String name = latticeConcat_p.lattice(i)->name(False);
String fname = Path(name).absoluteName();
// Make path relative to parent, so parent can be moved.
names[i] = Path::stripDirectory (fname, fullName);
}
jout.write ("Images", Array<String>(names));
jout.end();
fileName_p = fullName;
}
template<class T>
Bool ImageConcat<T>::isPersistent() const
{
return ! fileName_p.empty();
}
template<class T>
String ImageConcat<T>::imageType() const
{
return "ImageConcat";
}
// Public functions
template<class T>
void ImageConcat<T>::setImage (ImageInterface<T>& image, Bool relax)
{
LogIO os(LogOrigin("ImageConcat", __func__, WHERE));
// How many images have we set so far ?
const uInt nIm = latticeConcat_p.nlattices();
IPosition oldShape = nIm > 0 ? this->shape() : IPosition();
// LatticeConcat allows the dimensionality to increase by
// one, but ImageConcat can't do that yet - so an extra
// test here.
if (latticeConcat_p.axis() >= image.ndim()) {
throw(AipsError("Axis number and image dimension are inconsistent"));
}
// Do Lattice relevant things. This does shape checks and
// sets the lattice pointers
latticeConcat_p.setLattice(image);
// Do the extra image stuff. Most of it is coordinate rubbish.
// The ImageInfo comes from the first image only.
// The miscInfo is merged from all images.
isImage_p.resize(nIm+1,True);
isImage_p(nIm) = True;
if (nIm==0) {
ImageInterface<T>::setCoordinateInfo(image.coordinates());
this->setUnitMember (image.units());
this->setImageInfo (image.imageInfo());
this->setMiscInfoMember (image.miscInfo());
this->setCoordinates();
} else {
TableRecord rec = miscInfo();
rec.merge (image.miscInfo(), RecordInterface::RenameDuplicates);
this->setMiscInfoMember (rec);
// Combine the beams if possible.
// Should be done before the coordinates are merged.
this->rwImageInfo().combineBeams (image.imageInfo(),
oldShape, image.shape(),
this->coordinates(), image.coordinates(),
latticeConcat_p.axis(), relax, os);
// Compare the coordinates of this image with the current private
// coordinates
const CoordinateSystem& cSys0 = coordinates();
const CoordinateSystem& cSys = image.coordinates();
ThrowIf(
cSys.nCoordinates() != cSys0.nCoordinates(),
"Images have inconsistent numbers of coordinates"
);
Int coord0, axisInCoordinate0;
Int coord, axisInCoordinate;
cSys0.findPixelAxis (coord0, axisInCoordinate0,
latticeConcat_p.axis());
cSys.findPixelAxis(coord, axisInCoordinate, latticeConcat_p.axis());
ThrowIf(
coord0<0 || coord<0,
"Pixel axis has been removed for concatenation axis"
);
ThrowIf(
cSys.pixelAxisToWorldAxis(latticeConcat_p.axis()) < 0
|| coordinates().pixelAxisToWorldAxis(latticeConcat_p.axis()) < 0,
"World axis has been removed for concatenation axis"
);
// This could be cleverer. E.g. allow some mixed types (Tabular/Linear)
// Because the CoordinateSystem may change (e.g. -> Tabular) we hang onto
// the Coordinate type of the original coordinate system for the first image
if (cSys.type(coord0)!=originalAxisType_p) {
os << "Coordinate types for concatenation axis are inconsistent"
<< LogIO::EXCEPTION;
}
if (!allEQ(cSys.worldAxisNames(), cSys0.worldAxisNames())) {
ImageInfo::logMessage (warnAxisNames_p, os, relax,
"Image axis names differ");
}
if (!allEQ(cSys.worldAxisUnits(),cSys0.worldAxisUnits())) {
ImageInfo::logMessage (warnAxisUnits_p, os, relax,
"Image axis units differ");
}
if (image.units().getName() != this->units().getName()) {
ImageInfo::logMessage (warnAxisUnits_p, os, True,
"Image units differ. "
"Image units of the first image (" +
this->units().getName() +
") will be used for the output image");
}
// Compare coordinates at end of last image and start of new image
if (latticeConcat_p.isTempClose()) latticeConcat_p.reopen(nIm-1);
const ImageInterface<T>* pImLast =
dynamic_cast<const ImageInterface<T>*>(latticeConcat_p.lattice(nIm-1));
const CoordinateSystem& cSysLast = pImLast->coordinates();
if (latticeConcat_p.isTempClose()) latticeConcat_p.tempClose(nIm-1);
// once a lattice has been added that is not contiguous, the output coordinate
// system will not be contiguous no matter what type of additional coordinate
// systems are concatenated.
if (isContig_p) {
_checkContiguous (
pImLast->shape(), cSysLast, cSys,
os, latticeConcat_p.axis(), relax
);
}
else {
ThrowIf(
! relax,
"A previously added image was not contiguous, so the only way"
"the current image may be added is if relax=True"
);
}
// Compare coordinate descriptors not on concatenation axis
checkNonConcatAxisCoordinates (os, image, relax);
// Update the coordinates in the ImageConcat object now we are happy
// all is well
this->setCoordinates();
}
// Add parent history
logger().addParent (image.logger());
}
template<class T>
void ImageConcat<T>::setLattice(MaskedLattice<T>& lattice)
{
LogIO os(LogOrigin("ImageConcat", "setLattice(...)", WHERE));
// How many images have we set so far ?
const uInt nIm = latticeConcat_p.nlattices();
// Must have already set an image before we can set a lattice
if (nIm==0) {
throw(AipsError("You must call setImage before you can call setLattice"));
}
// LatticeConcat allows the dimensionality to increase by
// one, but ImageConcat can't do that yet - so an extra
// test here.
if (latticeConcat_p.axis() >= lattice.ndim()) {
throw(AipsError("Axis number and lattice dimension are inconsistent"));
}
// Do Lattice relevant things. This makes shape checks and
// sets the lattice pointers
latticeConcat_p.setLattice(lattice);
// Because the Lattice has no coordinates, we signal
// a non-contiguity situation. Function setCoordinates
// will make up a coordinate for this lattice
isImage_p.resize(nIm+1,True);
isImage_p(nIm) = False;
isContig_p = False;
//
this->setCoordinates();
}
// Public non-virtual over-ridden functions from ImageInterface
// Public virtual functions
template <class T>
void ImageConcat<T>::resize(const TiledShape&)
{
throw (AipsError ("ImageConcat::resize - an ImageConcat is not writable"));
}
template <class T>
Bool ImageConcat<T>::doGetSlice(Array<T>& buffer,
const Slicer& section)
{
return latticeConcat_p.doGetSlice(buffer, section);
}
template <class T>
void ImageConcat<T>::doPutSlice (const Array<T>& buffer,
const IPosition& where,
const IPosition& stride)
{
latticeConcat_p.doPutSlice(buffer, where, stride);
}
template <class T>
Bool ImageConcat<T>::doGetMaskSlice (Array<Bool>& buffer,
const Slicer& section)
{
return latticeConcat_p.doGetMaskSlice (buffer, section);
}
template <class T>
IPosition ImageConcat<T>::doNiceCursorShape (uInt maxPixels) const
{
return latticeConcat_p.niceCursorShape(maxPixels);
}
template <class T>
Bool ImageConcat<T>::ok() const
{
return True;
}
template <class T>
LatticeIterInterface<T>* ImageConcat<T>::makeIter (const LatticeNavigator& nav,
Bool useRef) const
{
return latticeConcat_p.makeIter(nav, useRef);
}
// Private functions
template<class T>
void ImageConcat<T>::_checkContiguous (
const IPosition& shape1,
const CoordinateSystem& cSys1,
const CoordinateSystem& cSys2,
LogIO& os, uInt axis, Bool relax
) {
//
// cSys1 from last image
// cSys2 from current image
//
// Find out the coordinate of the concatenation axis at the location
// of the last pixel from the previous image and compare.
//
// For Stokes axis we must do something different, because you can't
// convert pixel -1 to Stokes. Bloody Stokes. coord already checked
// to be consistent
Int coord, axisInCoordinate;
cSys2.findPixelAxis(coord, axisInCoordinate, axis);
if (cSys2.type(coord)==Coordinate::STOKES) {
// See if we can make a Stokes coordinate from all the previous
// Stokes and the new Stokes. If we can, its ok
Vector<Int> stokes = makeNewStokes(coordinates().stokesCoordinate(coord).stokes(),
cSys2.stokesCoordinate(coord).stokes());
if (stokes.nelements()==0) {
String coordType = cSys1.spectralAxisNumber() == (Int)axis
? "Spectral" : "Tabular";
ImageInfo::logMessage (warnContig_p, os, relax,
"Images are not contiguous along the "
"concatenation axis",
"For this axis, a non-regular " +
coordType + " coordinate will be made");
isContig_p = False;
}
}
else {
Int worldAxis;
Double axisVal1 = coordConvert(worldAxis, os, cSys1, axis, Double(shape1(axis)-1));
Double axisVal2 = coordConvert(worldAxis, os, cSys2, axis, Double(-1.0));
Double inc = cSys1.increment()(worldAxis);
if (abs(axisVal2-axisVal1) > 0.01*abs(inc)) {
String coordType = cSys1.spectralAxisNumber() == (Int)axis
? "Spectral" : "Tabular";
ImageInfo::logMessage (warnContig_p, os, relax,
"Images are not contiguous along the "
"concatenation axis",
"For this axis, a non-regular " +
coordType + " coordinate will be made");
isContig_p = False;
}
}
}
template<class T>
Double ImageConcat<T>::coordConvert(Int& worldAxis, LogIO& os,
const CoordinateSystem& cSys,
uInt axis, Double pixelCoord) const
{
Vector<Double> pixel(cSys.nPixelAxes());
Vector<Double> world(cSys.nWorldAxes());
//
pixel = cSys.referencePixel();
pixel(axis) = pixelCoord;
if (!cSys.toWorld(world, pixel)) {
os << "Coordinate conversion failed because " << cSys.errorMessage() << LogIO::EXCEPTION;
}
worldAxis = cSys.pixelAxisToWorldAxis(axis);
if (worldAxis==-1) {
os << "Concatenation pixel axis has no world axis" << LogIO::EXCEPTION;
}
return world(worldAxis);
}
template<class T>
void ImageConcat<T>::checkNonConcatAxisCoordinates (LogIO& os,
const ImageInterface<T>& imageIn,
Bool relax)
//
// Check coordinate descriptors for each non-concatenation axis
// for the current image being set and the coordinates currently
// set. The ImageSummary objects gives us the descriptors in pixel
// axis order
{
const uInt axis = latticeConcat_p.axis();
ImageSummary<T> sumIn(imageIn);
//
if (latticeConcat_p.isTempClose()) latticeConcat_p.reopen(0);
const ImageInterface<T>* pIm0 =
dynamic_cast<const ImageInterface<T>*>(latticeConcat_p.lattice(0));
ImageSummary<T> sum0(*pIm0);
if (latticeConcat_p.isTempClose()) latticeConcat_p.tempClose(0);
//
Bool pixelOrder = True;
const uInt dim = sumIn.ndim();
Vector<Double> refPix = sumIn.referencePixels();
Vector<Double> refPix0 = sum0.referencePixels();
Vector<Double> refVal = sumIn.referenceValues(pixelOrder);
Vector<Double> refVal0 = sum0.referenceValues(pixelOrder);
Vector<Double> inc = sumIn.axisIncrements(pixelOrder);
Vector<Double> inc0 = sum0.axisIncrements(pixelOrder);
//
for (uInt j=0; j<dim; j++) {
if (j!= axis) {
if (!near(refPix(j), refPix0(j))) {
ImageInfo::logMessage (warnRefPix_p, os, relax,
"Image reference pixels are different on "
"non-concatenation axis " +
String::toString(j+1));
}
if (!near(refVal(j), refVal0(j))) {
ImageInfo::logMessage (warnRefVal_p, os, relax,
"Image reference values are different on "
"non-concatenation axis " +
String::toString(j+1));
}
if (!near(inc(j), inc0(j))) {
ImageInfo::logMessage (warnInc_p, os, relax,
"Image increments are different on "
"non-concatenation axis " +
String::toString(j+1));
}
}
}
}
template<class T>
void ImageConcat<T>::setCoordinates()
//
// Updates the CoordinateSystem in the ImageConcat image. The first lattice must
// be an image. The first lattice is contiguous by definition. The Coordinate
// System for the first image must be set before calling this function. For
// the first image, this function just sets up worldValues and pixelValues
//
//
{
LogIO os(LogOrigin("ImageConcat", __func__, WHERE));
// If the images are not contiguous along the concatenation axis,
// make an irregular TabularCoordinate. As usual Stokes demands
// different handling
CoordinateSystem cSys = coordinates();
const uInt axis = latticeConcat_p.axis();
Int coord, axisInCoord;
cSys.findPixelAxis(coord, axisInCoord, axis);
const uInt nIm = latticeConcat_p.nlattices();
const uInt iIm = nIm - 1;
Vector<Int> stokes;
// we always must update the world values, because even if
// the currently added image is contiguous, the next image to be added might not
// be
_updatePixelAndWorldValues(iIm);
if (iIm==0) {
// Hang on to the type of coordinate of the concat axis for the first image
originalAxisType_p = cSys.coordinate(coord).type();
return;
}
if (isContig_p) {
if (latticeConcat_p.isTempClose()) latticeConcat_p.reopen(iIm);
if (cSys.type(coord)==Coordinate::STOKES) {
if (isImage_p(iIm)) {
const ImageInterface<T>* pIm = dynamic_cast<const ImageInterface<T>*>(latticeConcat_p.lattice(iIm));
stokes = makeNewStokes(cSys.stokesCoordinate(coord).stokes(),
pIm->coordinates().stokesCoordinate(coord).stokes());
} else {
// This is unlikely to work. We make a Stokes axis starting from the
// last Stokes already in coordinates() + 1. WIll only work
// if results in a useable Stokes axis
Vector<Int> stokes1 = coordinates().stokesCoordinate(coord).stokes();
Int last = stokes1(stokes1.nelements()-1);
const uInt shape = latticeConcat_p.lattice(nIm-1)->shape()(axis);
Vector<Int> stokes2 (shape,0);
indgen(stokes2, last+1, 1);
stokes = makeNewStokes(stokes1, stokes2);
}
// If Stokes ok, make new StokesCoordinate, replace it and set it
if (stokes.nelements()==0) {
os << "Cannot concatenate this Lattice with previous images as concatenation" << endl;
os << "axis is Stokes and result would be illegal" << LogIO::EXCEPTION;
} else {
StokesCoordinate tmp(stokes);
cSys.replaceCoordinate(tmp, uInt(coord));
if (!ImageInterface<T>::setCoordinateInfo(cSys)) {
os << "Failed to save new CoordinateSystem with StokesCoordinate" << LogIO::EXCEPTION;
}
}
}
if (latticeConcat_p.isTempClose()) latticeConcat_p.tempClose(iIm);
}
else {
// The first lattice is enforced to be an image. Always use its units and names
String unit, name;
Int worldAxis = cSys.pixelAxisToWorldAxis(axis);
unit = cSys.worldAxisUnits()(worldAxis);
name = cSys.worldAxisNames()(worldAxis);
// Make TabularCoordinate and replace it. If it's not monotonic, we
// can't make the TC, so fall back to CS from first image
Bool ok = True;
String msg;
try {
if (originalAxisType_p == Coordinate::SPECTRAL) {
SpectralCoordinate origSpCoord = cSys.spectralCoordinate();
SpectralCoordinate newSp(
origSpCoord.frequencySystem(False), worldValues_p,
origSpCoord.restFrequency()
);
cSys.replaceCoordinate(newSp, uInt(coord));
}
else {
TabularCoordinate tc(pixelValues_p, worldValues_p, unit, name);
cSys.replaceCoordinate(tc, uInt(coord));
}
if (!ImageInterface<T>::setCoordinateInfo(cSys)) {
String ctype = originalAxisType_p == Coordinate::SPECTRAL
? "Spectral" : "Tabular";
os << "Failed to save new CoordinateSystem with "
<< ctype << "Coordinate" << LogIO::EXCEPTION;
}
}
catch (const AipsError& x) {
ok = False;
msg = x.getMesg();
}
if (!ok) {
ImageInfo::logMessage (
warnTab_p, os, True,
"Could not create Coordinate because " + msg,
"CoordinateSystem set to that of first image "
"instead"
);
}
}
}
template <class T>
void ImageConcat<T>::_updatePixelAndWorldValues(uInt iIm) {
const uInt nPixelsOld = pixelValues_p.nelements();
uInt axis = latticeConcat_p.axis();
const uInt shapeNew = latticeConcat_p.lattice(iIm)->shape()(axis);
pixelValues_p.resize(nPixelsOld+shapeNew, True);
worldValues_p.resize(nPixelsOld+shapeNew, True);
if (isImage_p(iIm)) {
if (latticeConcat_p.isTempClose()) {
latticeConcat_p.reopen(iIm);
}
const ImageInterface<T>* pIm =
dynamic_cast<const ImageInterface<T>*>(latticeConcat_p.lattice(iIm));
const CoordinateSystem& cSys2 = pIm->coordinates();
if (latticeConcat_p.isTempClose()) {
latticeConcat_p.tempClose(iIm);
}
Vector<Double> p = cSys2.referencePixel();
Vector<Double> w = cSys2.referenceValue();
// For each pixel in concatenation axis for this image, find world
// and pixel values
Int worldAxis = cSys2.pixelAxisToWorldAxis(axis);
for (uInt j=0; j<shapeNew; j++) {
p(axis) = Double(j);
if (cSys2.toWorld(w, p)) {
pixelValues_p(nPixelsOld+j) = p(axis) + nPixelsOld;
worldValues_p(nPixelsOld+j) = w(worldAxis);
}
else {
ThrowCc(
"Coordinate conversion failed because"
+ cSys2.errorMessage()
);
}
}
}
else {
// iIm = 0 will always be an image. Make up world values for lattices based on interpolation
Double winc;
if (iIm==1) {
winc = worldValues_p(0) / 10.0;
}
else {
winc = worldValues_p(iIm-1)-worldValues_p(iIm-2);
}
Double ww = worldValues_p(iIm-1) + winc;
for (uInt j=0; j<shapeNew; j++) {
pixelValues_p(nPixelsOld+j) = Double(j) + nPixelsOld;
worldValues_p(nPixelsOld+j) = ww;
ww += winc;
}
}
}
template <class T>
Vector<Int> ImageConcat<T>::makeNewStokes(const Vector<Int>& stokes1,
const Vector<Int>& stokes2)
{
Vector<Int> stokes = concatenateArray(stokes1, stokes2);
Bool ok = True;
try {
StokesCoordinate tmp(stokes);
} catch (AipsError x) {
ok = False;
}
//
if (ok) {
return stokes;
} else {
Vector<Int> tmp;
return tmp;
}
}
template <class T>
Bool ImageConcat<T>::lock (FileLocker::LockType type, uInt nattempts)
{
return latticeConcat_p.lock(type, nattempts);
}
template <class T>
void ImageConcat<T>::unlock()
{
latticeConcat_p.unlock();
}
template <class T>
Bool ImageConcat<T>::hasLock (FileLocker::LockType type) const
{
return latticeConcat_p.hasLock(type);
}
template <class T>
void ImageConcat<T>::resync()
{
latticeConcat_p.resync();
}
template <class T>
void ImageConcat<T>::flush()
{
latticeConcat_p.flush();
}
template <class T>
void ImageConcat<T>::tempClose()
{
latticeConcat_p.tempClose();
}
template <class T>
void ImageConcat<T>::reopen()
{
latticeConcat_p.reopen();
}
template<class T>
String ImageConcat<T>::name (Bool stripPath) const
{
if (fileName_p.empty()) {
return "Concatenation :";
}
Path path(fileName_p);
if (!stripPath) {
return path.absoluteName();
}
return path.baseName();
}
template<class T>
Bool ImageConcat<T>::isMasked() const
{
return latticeConcat_p.isMasked();
}
template<class T>
Bool ImageConcat<T>::hasPixelMask() const
{
return latticeConcat_p.hasPixelMask();
}
template<class T>
const Lattice<Bool>& ImageConcat<T>::pixelMask() const
{
return latticeConcat_p.pixelMask();
}
template<class T>
Lattice<Bool>& ImageConcat<T>::pixelMask()
{
return latticeConcat_p.pixelMask();
}
template<class T>
const LatticeRegion* ImageConcat<T>::getRegionPtr() const
{
return latticeConcat_p.getRegionPtr();
}
template<class T>
Bool ImageConcat<T>::isWritable() const
{
return latticeConcat_p.isWritable();
}
template<class T>
IPosition ImageConcat<T>::shape() const
{
return latticeConcat_p.shape();
}
} //# NAMESPACE CASACORE - END
#endif
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