source: branches/asap-3.x/src/STFitter.h@ 3055

Last change on this file since 3055 was 1391, checked in by Malte Marquarding, 17 years ago

merge from alma branch to get alma/GBT support. Commented out fluxUnit changes as they are using a chnaged interface to PKSreader/writer. Also commented out progress meter related code.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.9 KB
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1//#---------------------------------------------------------------------------
2//# Fitter.h: A Fitter class for spectra
3//#---------------------------------------------------------------------------
4//# Copyright (C) 2004
5//# ATNF
6//#
7//# This program is free software; you can redistribute it and/or modify it
8//# under the terms of the GNU General Public License as published by the Free
9//# Software Foundation; either version 2 of the License, or (at your option)
10//# any later version.
11//#
12//# This program is distributed in the hope that it will be useful, but
13//# WITHOUT ANY WARRANTY; without even the implied warranty of
14//# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
15//# Public License for more details.
16//#
17//# You should have received a copy of the GNU General Public License along
18//# with this program; if not, write to the Free Software Foundation, Inc.,
19//# 675 Massachusetts Ave, Cambridge, MA 02139, USA.
20//#
21//# Correspondence concerning this software should be addressed as follows:
22//# Internet email: Malte.Marquarding@csiro.au
23//# Postal address: Malte Marquarding,
24//# Australia Telescope National Facility,
25//# P.O. Box 76,
26//# Epping, NSW, 2121,
27//# AUSTRALIA
28//#
29//# $Id: STFitter.h 1391 2007-07-30 01:59:36Z MalteMarquarding $
30//#---------------------------------------------------------------------------
31#ifndef STFITTER_H
32#define STFITTER_H
33
34#include <string>
35#include <vector>
36
37#include <casa/Arrays/Vector.h>
38#include <casa/Containers/Block.h>
39#include <scimath/Functionals/Function.h>
40#include <scimath/Functionals/CompoundFunction.h>
41
42namespace asap {
43
44class Fitter {
45public:
46 Fitter();
47 virtual ~Fitter();
48 // allowed "gauss" and "poly". ncomp is either numvber of gaussions
49 // or order of the polynomial
50 bool setExpression(const std::string& expr, int ncomp=1);
51 bool setData(std::vector<float> absc, std::vector<float> spec,
52 std::vector<bool> mask);
53 bool setParameters(std::vector<float> params);
54 bool setFixedParameters(std::vector<bool> fixed);
55
56 std::vector<float> getResidual() const;
57 std::vector<float> getFit() const;
58 std::vector<float> getParameters() const;
59 std::vector<bool> getFixedParameters() const;
60
61 std::vector<float> getEstimate() const;
62 std::vector<float> getErrors() const;
63 float getChisquared() const;
64 void reset();
65 bool fit();
66 // Fit via linear method
67 bool lfit();
68 bool computeEstimate();
69
70 std::vector<float> evaluate(int whichComp) const;
71private:
72 void clear();
73 casa::Vector<casa::Float> x_;
74 casa::Vector<casa::Float> y_;
75 casa::Vector<casa::Bool> m_;
76 casa::PtrBlock<casa::Function<casa::Float>* > funcs_;
77 //Bool estimateSet_;
78 casa::Float chisquared_;
79 casa::Vector<casa::Float> parameters_;
80 casa::Vector<casa::Bool> fixedpar_;
81
82 casa::Vector<casa::Float> error_;
83 casa::Vector<casa::Float> thefit_;
84 casa::Vector<casa::Float> residual_;
85 casa::Vector<casa::Float> estimate_;
86};
87
88} // namespace
89
90#endif
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