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_ */