SpectralCollapser.h

Go to the documentation of this file.

//# SpectralCollapser.h: Header file for class SpectralCollapser
//# Copyright (C) 1998,1999,2000,2001,2003
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This program is free software; you can redistribute it and/or modify it
//# under the terms of the GNU General Public License as published by the Free
//# Software Foundation; either version 2 of the License, or (at your option)
//# any later version.
//#
//# This program 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 General Public License for
//# more details.
//#
//# You should have received a copy of the GNU General Public License along
//# with this program; 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: tSubImage.cc 20567 2009-04-09 23:12:39Z gervandiepen $

#ifndef IMAGEANALYSIS_SPECTRALCOLLAPSER_H
#define IMAGEANALYSIS_SPECTRALCOLLAPSER_H

#include <imageanalysis/ImageAnalysis/ImageTask.h>

#include <casa/namespace.h>

namespace casa {

template <class T> class SubImage;

class SpectralCollapser {
        // <summary>
        // Class to collapse an image along the spectral axis.
        // </summary>

        // <reviewed reviewer="" date="" tests="" demos="">
        // </reviewed>

        // <prerequisite>
        //   <li> <linkto class=ImageCollapser>ImageCollapser</linkto>
        // </prerequisite>

        // <etymology>
        // Collapses an image along the spectral axis
        // </etymology>

        // <synopsis>
        // Helper class to collapse an image along the spectral axis. The spectral
        // range to combine is provided interactively from the profiler. The class
        // transforms the range to the channels to be combined. The actual image\
        // combination is then done with the class "ImageCollapser".
        // </synopsis>

public:
        // The different collapse types
        enum CollapseType {
                PMEAN,
                PMEDIAN,
                PSUM,
                CUNKNOWN
                //PVRMSE,
        };

        enum CollapseError {
                PNOERROR,
                PERMSE,
                PPROPAG,
                EUNKNOWN
        };

        // Constructor
        SpectralCollapser(const SPCIIF image);

        // Constructor
        SpectralCollapser(const SPCIIF image, const String storePath);

        // Destructor
        virtual ~SpectralCollapser();

        // Parameters:
        // <src>specVals</src>  - the vector of spectral values
        // <src>startVal</src>  - the spectral value to start the collapse
        // <src>endVal</src>    - the spectral value to end the collapse
        // <src>unit</src>      - the unit of the spectral values
        // <src>collType</src>  - the collapse type (e.g. "mean" or "median")
        // <src>collError</src> - information on what the error
        // <src>outname</src>   - name of the collapsed image (output)
        // <src>msg</src>       - message string (output)
        virtual Bool collapse(const Vector<Float> &specVals, const Float startVal, const Float endVal,
                        const String &unit, const SpectralCollapser::CollapseType &collType, const SpectralCollapser::CollapseError &collError, String &outname, String &msg);

        String summaryHeader() const;

   void collapseTypeToVector(const SpectralCollapser::CollapseType &collType, Vector<Int> &momentVec);

   // Convert from string to collapse type
        static void stringToCollapseType(const String &text,  SpectralCollapser::CollapseType &collType);

        // Convert from string to error type
        static void stringToCollapseError(const String &text, SpectralCollapser::CollapseError &collError);

        // Convert from collapse type to string
   static void collapseTypeToString(const SpectralCollapser::CollapseType &collType, String &strCollType);

   // Convert from error type to string
   static void collapseErrorToString(const SpectralCollapser::CollapseError &collError, String &strCollError);

private:
   SPCIIF _image;
   LogIO *_log;

   String _storePath;
   String _all; // = CasacRegionManager::ALL;
   IPosition _specAxis;
   Bool _hasQualAxis;

        // Disallow default constructor
   SpectralCollapser();

   void _setUp();
   Bool _cleanTmpData(const String &tmpFileName) const;
   Bool _cleanTmpData(const String &tmpData, const String &tmpError) const;
   Bool _getQualitySubImg(const ImageInterface<Float>* image, const Bool &data, SubImage<Float> &qualitySub);
   Bool _getQualitySubImgs(SPCIIF image, SHARED_PTR<SubImage<Float> > &subData, SHARED_PTR<SubImage<Float> > &subError) const;
   Bool _getOutputName(const String &wcsInp, String &outImg, String &outImgData, String &outImgError) const;
   Bool _collapse(const SPCIIF image, const String &aggString,
                const String& chanInp, const String& outname) const;
   Bool _moments(const ImageInterface<Float> *image, const Vector<Int> &momentVec,
                const Int & startIndex, const Int &endIndex, const String& outname);
   Bool _mergeDataError(const String &outImg, const String &dataImg, const String &errorImg, const Float &normError=1.0) const;
        void _addMiscInfo(const String &outName, const String &wcsInput, const String &chanInput,
                        const SpectralCollapser::CollapseType &collType, const SpectralCollapser::CollapseError &collError) const;
        void _collTypeToImCollString(const SpectralCollapser::CollapseType &collType, String &colType) const;
        void _collErrorToImCollString(const SpectralCollapser::CollapseError &collError, String &colError) const ;

};
}

#endif