Fitter.h

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00001 //# Copyright (C) 2005
00002 //# Associated Universities, Inc. Washington DC, USA.
00003 //#
00004 //# This library is free software; you can redistribute it and/or modify it
00005 //# under the terms of the GNU Library General Public License as published by
00006 //# the Free Software Foundation; either version 2 of the License, or (at your
00007 //# option) any later version.
00008 //#
00009 //# This library is distributed in the hope that it will be useful, but WITHOUT
00010 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00011 //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00012 //# License for more details.
00013 //#
00014 //# You should have received a copy of the GNU Library General Public License
00015 //# along with this library; if not, write to the Free Software Foundation,
00016 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
00017 //#
00018 //# Correspondence concerning AIPS++ should be addressed as follows:
00019 //#        Internet email: aips2-request@nrao.edu.
00020 //#        Postal address: AIPS++ Project Office
00021 //#                        National Radio Astronomy Observatory
00022 //#                        520 Edgemont Road
00023 //#                        Charlottesville, VA 22903-2475 USA
00024 //#
00025 
00026 #ifndef FITTER_H_
00027 #define FITTER_H_
00028 
00029 #include <casa/Arrays/Vector.h>
00030 #include <QString>
00031 #include <QTextStream>
00032 
00033 namespace casa {
00034 
00038 class Fitter {
00039 public:
00040         Fitter();
00041         void setData( Vector<Float> xValues, Vector<Float> yValues );
00042         virtual void restrictDomain( double xMin, double xMax );
00043         virtual void clearDomainLimits();
00044         void setUnits( QString units );
00045         Vector<Float> getFitValues() const;
00046         Vector<Float> getFitValuesX() const;
00047         virtual bool doFit() = 0;
00048         virtual void clearFit();
00049 
00050         virtual void toAscii( QTextStream& out ) const;
00051         bool isFit() const;
00052         virtual QString getSolutionStatistics() const = 0;
00053         QString getErrorMessage() const;
00054         QString getStatusMessage() const;
00055         virtual ~Fitter();
00056 
00057 protected:
00058         QString formatResultLine( QString label, float value, bool endLine = true ) const;
00059         float solutionChiSquared;
00060         bool solutionConverged;
00061 
00062         Vector<Float> actualXValues;
00063         Vector<Float> actualYValues;
00064         Vector<Float> fitValues;
00065         double domainMin;
00066         double domainMax;
00067         QString errorMsg;
00068         QString statusMsg;
00069         QString units;
00070         bool dataFitted;
00071         float getMean() const;
00072         void resetDataWithLimits();
00073 private:
00074 
00075         Vector<Float> xValues;
00076         Vector<Float> yValues;
00077 
00078 
00079 };
00080 
00081 } /* namespace casa */
00082 #endif /* FITTER_H_ */
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