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ImageHistograms<Float>* Histogram::filterByChannels( const std::shared_ptr<const ImageInterface<Float> > image ){
//# Copyright (C) 2005
//# 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
//#
namespace casa {
Histogram::Histogram( HeightSource* heightSource ):
histogramMaker(NULL), region(NULL),
ALL_CHANNELS(-1),
ALL_INTENSITIES( -1),
image(),
channelMin( ALL_CHANNELS ),
channelMax( ALL_CHANNELS ),
intensityMin( ALL_INTENSITIES ),
intensityMax( ALL_INTENSITIES),
binCount( 25 ){
this->heightSource = heightSource;
specIndex = -1;
}
void Histogram::setChannelRangeDefault(){
channelMin = ALL_CHANNELS;
channelMax = ALL_CHANNELS;
}
void Histogram::setChannelRange( int minChannel, int maxChannel, int spectralIndex ){
channelMin = minChannel;
channelMax = maxChannel;
specIndex = spectralIndex;
}
void Histogram::setBinCount( int count ){
binCount = count;
}
void Histogram::setIntensityRangeDefault(){
intensityMin = ALL_INTENSITIES;
intensityMax = ALL_INTENSITIES;
}
void Histogram::setIntensityRange( float minimumIntensity, float maximumIntensity ){
intensityMin = minimumIntensity;
intensityMax = maximumIntensity;
}
bool Histogram::compute( ){
bool success = true;
if ( histogramMaker != NULL ){
//Set the number of bins.
histogramMaker->setNBins( binCount );
//Set the intensity range.
Vector<Float> includeRange;
if ( intensityMin != ALL_INTENSITIES && intensityMax != ALL_INTENSITIES ){
includeRange.resize(2);