source: trunk/src/STMath.h@ 928

Last change on this file since 928 was 927, checked in by mar637, 19 years ago

added frequencyAlign().

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.9 KB
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1//
2// C++ Interface: STMath
3//
4// Description:
5//
6//
7// Author: Malte Marquarding <asap@atnf.csiro.au>, (C) 2006
8//
9// Copyright: See COPYING file that comes with this distribution
10//
11//
12#ifndef ASAPSTMATH_H
13#define ASAPSTMATH_H
14
15#include <string>
16#include <map>
17
18#include <casa/aips.h>
19#include <casa/Utilities/CountedPtr.h>
20#include <casa/BasicSL/String.h>
21#include <casa/Arrays/Vector.h>
22#include <scimath/Mathematics/InterpolateArray1D.h>
23
24#include "Scantable.h"
25#include "STDefs.h"
26#include "STPol.h"
27#include "Logger.h"
28
29namespace asap {
30
31/**
32Mathmatical operations on Scantable objects
33
34@author Malte Marquarding
35*/
36class STMath : private Logger {
37public:
38
39 typedef casa::InterpolateArray1D<casa::Double,
40 casa::Float>::InterpolationMethod imethod;
41
42 typedef std::map<std::string, imethod> imap;
43
44 STMath(bool insitu=true);
45
46 ~STMath();
47
48 /**
49 * set the @attr insitu attribute
50 * @param b
51 */
52 bool insitu() const { return insitu_;};
53 void setInsitu(bool b) { insitu_ = b; };
54
55 casa::CountedPtr<Scantable>
56 average( const std::vector<casa::CountedPtr<Scantable> >& in,
57 const std::vector<bool>& mask = std::vector<bool>(),
58 const std::string& weight = "NONE",
59 const std::string& avmode = "SCAN",
60 bool alignfreq = false );
61
62 casa::CountedPtr<Scantable>
63 unaryOperate( const casa::CountedPtr<Scantable>& in, float val,
64 const std::string& mode, bool tsys=false );
65
66 casa::CountedPtr<Scantable> quotient( const casa::CountedPtr<Scantable>& in,
67 const std::string& mode = "NEAREST",
68 bool preserve = true );
69
70 casa::CountedPtr<Scantable>
71 freqSwitch( const casa::CountedPtr<Scantable>& in );
72
73 std::vector<float> statistic(const casa::CountedPtr<Scantable>& in,
74 const std::vector<bool>& mask,
75 const std::string& which);
76
77 casa::CountedPtr<Scantable> bin( const casa::CountedPtr<Scantable>& in,
78 int width=5);
79 casa::CountedPtr<Scantable>
80 resample(const casa::CountedPtr<Scantable>& in,
81 const std::string& method, float width);
82
83 casa::CountedPtr<Scantable>
84 smooth(const casa::CountedPtr<Scantable>& in, const std::string& kernel,
85 float width);
86
87 casa::CountedPtr<Scantable>
88 gainElevation(const casa::CountedPtr<Scantable>& in,
89 const std::vector<float>& coeff,
90 const std::string& fileName,
91 const std::string& method);
92 casa::CountedPtr<Scantable>
93 convertFlux(const casa::CountedPtr<Scantable>& in, float d,
94 float etaap, float jyperk);
95
96 casa::CountedPtr<Scantable> opacity(const casa::CountedPtr<Scantable>& in,
97 float tau);
98
99 casa::CountedPtr<Scantable>
100 merge(const std::vector<casa::CountedPtr<Scantable> >& in);
101
102 casa::CountedPtr<Scantable>
103 invertPhase( const casa::CountedPtr<Scantable>& in);
104
105 casa::CountedPtr<Scantable>
106 rotateXYPhase( const casa::CountedPtr<Scantable>& in, float phase);
107
108 casa::CountedPtr<Scantable>
109 rotateLinPolPhase( const casa::CountedPtr<Scantable>& in, float phase);
110
111 /// @todo frequency alignment
112
113 casa::CountedPtr<Scantable>
114 swapPolarisations(const casa::CountedPtr<Scantable>& in);
115
116 casa::CountedPtr<Scantable>
117 frequencyAlign( const casa::CountedPtr<Scantable>& in,
118 const std::string& refTime = "",
119 const std::string& method = "cubic" );
120
121private:
122 casa::CountedPtr<Scantable> applyToPol( const casa::CountedPtr<Scantable>& in,
123 STPol::polOperation fptr,
124 casa::Float phase);
125
126 static imethod stringToIMethod(const std::string& in);
127 static WeightType stringToWeight(const std::string& in);
128
129 void scaleByVector(casa::Table& in,
130 const casa::Vector<casa::Float>& factor,
131 bool dotsys);
132
133 void scaleFromAsciiTable(casa::Table& in, const std::string& filename,
134 const std::string& method,
135 const casa::Vector<casa::Float>& xout,
136 bool dotsys);
137
138 void scaleFromTable(casa::Table& in, const casa::Table& table,
139 const std::string& method,
140 const casa::Vector<casa::Float>& xout, bool dotsys);
141
142 void convertBrightnessUnits(casa::CountedPtr<Scantable>& in,
143 bool tokelvin, float cfac);
144
145 casa::CountedPtr< Scantable >
146 getScantable(const casa::CountedPtr< Scantable >& in, bool droprows);
147
148 casa::MaskedArray<casa::Float>
149 maskedArray( const casa::Vector<casa::Float>& s,
150 const casa::Vector<casa::uChar>& f );
151 casa::Vector<casa::uChar>
152 flagsFromMA(const casa::MaskedArray<casa::Float>& ma);
153
154 bool insitu_;
155};
156
157}
158#endif
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