[2] | 1 | //#--------------------------------------------------------------------------- |
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| 2 | //# SDMath.h: A collection of single dish mathematical operations |
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| 3 | //#--------------------------------------------------------------------------- |
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| 4 | //# Copyright (C) 2004 |
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[125] | 5 | //# ATNF |
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[2] | 6 | //# |
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| 7 | //# This program is free software; you can redistribute it and/or modify it |
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| 8 | //# under the terms of the GNU General Public License as published by the Free |
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| 9 | //# Software Foundation; either version 2 of the License, or (at your option) |
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| 10 | //# any later version. |
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| 11 | //# |
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| 12 | //# This program is distributed in the hope that it will be useful, but |
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| 13 | //# WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | //# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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| 15 | //# Public License for more details. |
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| 16 | //# |
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| 17 | //# You should have received a copy of the GNU General Public License along |
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| 18 | //# with this program; if not, write to the Free Software Foundation, Inc., |
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| 19 | //# 675 Massachusetts Ave, Cambridge, MA 02139, USA. |
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| 20 | //# |
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| 21 | //# Correspondence concerning this software should be addressed as follows: |
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| 22 | //# Internet email: Malte.Marquarding@csiro.au |
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| 23 | //# Postal address: Malte Marquarding, |
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| 24 | //# Australia Telescope National Facility, |
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| 25 | //# P.O. Box 76, |
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| 26 | //# Epping, NSW, 2121, |
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| 27 | //# AUSTRALIA |
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| 28 | //# |
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| 29 | //# $Id: |
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| 30 | //#--------------------------------------------------------------------------- |
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[125] | 31 | #ifndef SDMATH_H |
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| 32 | #define SDMATH_H |
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[2] | 33 | |
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[38] | 34 | #include <string> |
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| 35 | #include <vector> |
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[130] | 36 | #include <casa/aips.h> |
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[81] | 37 | #include <casa/Utilities/CountedPtr.h> |
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[234] | 38 | #include "SDDefs.h" |
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[2] | 39 | |
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[227] | 40 | class casa::Table; |
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| 41 | |
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[83] | 42 | namespace asap { |
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[2] | 43 | |
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| 44 | class SDMemTable; |
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| 45 | |
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[170] | 46 | class SDMath { |
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[152] | 47 | |
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[170] | 48 | public: |
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| 49 | |
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| 50 | // Default constructor |
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| 51 | SDMath(); |
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| 52 | |
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| 53 | // Copy Constructor (copy semantics) |
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| 54 | SDMath (const SDMath& other); |
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| 55 | |
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| 56 | // Assignment (copy semantics) |
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| 57 | SDMath &operator=(const SDMath& other); |
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| 58 | |
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[183] | 59 | // Destructor |
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| 60 | ~SDMath(); |
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| 61 | |
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[152] | 62 | // Quotient |
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[170] | 63 | casa::CountedPtr<SDMemTable> quotient(const casa::CountedPtr<SDMemTable>& on, |
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[234] | 64 | const casa::CountedPtr<SDMemTable>& off, |
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| 65 | casa::Bool preserveContinuum=casa::True) const; |
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[152] | 66 | |
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[234] | 67 | // Simple binary Table operators. add, subtract, multiply, divide (what=0,1,2,3) |
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| 68 | casa::CountedPtr<SDMemTable> simpleBinaryOperate (const casa::CountedPtr<SDMemTable>& left, |
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| 69 | const casa::CountedPtr<SDMemTable>& right, |
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| 70 | const casa::String& op) const; |
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| 71 | |
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[152] | 72 | // Average in time |
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[175] | 73 | casa::CountedPtr<SDMemTable> average(const casa::Block<casa::CountedPtr<SDMemTable> >& in, |
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| 74 | const casa::Vector<casa::Bool>& mask, |
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[234] | 75 | casa::Bool scanAverage, |
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| 76 | const casa::String& weightStr) const; |
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| 77 | // casa::Bool alignVelocity) const; |
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[48] | 78 | |
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[234] | 79 | // Statistics. If row<0, all rows are done otherwise, just the |
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| 80 | // specified row. |
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[170] | 81 | std::vector<float> statistic(const casa::CountedPtr<SDMemTable>& in, |
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[234] | 82 | const casa::Vector<casa::Bool>& mask, |
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| 83 | const casa::String& which, casa::Int row) const; |
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[130] | 84 | |
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[171] | 85 | // Bin up spectra |
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[234] | 86 | SDMemTable* bin(const SDMemTable& in, casa::Int width) const; |
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[171] | 87 | |
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[177] | 88 | // Smooth |
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| 89 | SDMemTable* smooth (const SDMemTable& in, const casa::String& kernel, |
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[234] | 90 | casa::Float width, casa::Bool doAll) const; |
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[177] | 91 | |
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[221] | 92 | // Flux conversion between Jansky and Kelvin |
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| 93 | SDMemTable* convertFlux (const SDMemTable& in, casa::Float area, |
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[234] | 94 | casa::Float eta, casa::Bool doAll) const; |
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[221] | 95 | |
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[227] | 96 | // Gain-elevation correction |
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[234] | 97 | SDMemTable* gainElevation (const SDMemTable& in, const casa::Vector<casa::Float>& coeffs, |
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| 98 | const casa::String& fileName, |
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| 99 | const casa::String& method, casa::Bool doAll) const; |
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[227] | 100 | |
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[234] | 101 | // Opacity correction |
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| 102 | SDMemTable* opacity (const SDMemTable& in, casa::Float tau, casa::Bool doAll) const; |
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| 103 | |
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[169] | 104 | // Simple mathematical operations. what=0 (mul) or 1 (add) |
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[175] | 105 | SDMemTable* simpleOperate(const SDMemTable& in, casa::Float offset, |
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[234] | 106 | casa::Bool doAll, casa::uInt what) const; |
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[169] | 107 | |
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| 108 | // Average polarizations |
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[234] | 109 | SDMemTable* averagePol(const SDMemTable& in, const casa::Vector<casa::Bool>& mask) const; |
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[169] | 110 | |
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[170] | 111 | private: |
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[169] | 112 | |
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[152] | 113 | // Weighting type for time averaging |
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| 114 | |
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[162] | 115 | enum WeightType {NONE,VAR,TSYS}; |
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[144] | 116 | |
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[152] | 117 | // Function to use accumulate data during time averaging |
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| 118 | |
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[146] | 119 | void accumulate (casa::Double& timeSum, casa::Double& intSum, casa::Int& nAccum, |
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| 120 | casa::MaskedArray<casa::Float>& sum, casa::Array<casa::Float>& sumSq, |
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| 121 | casa::Array<casa::Float>& nPts, casa::Array<casa::Float>& tSysSum, |
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| 122 | const casa::Array<casa::Float>& tSys, const casa::Array<casa::Float>& nInc, |
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| 123 | const casa::Vector<casa::Bool>& mask, casa::Double time, casa::Double interval, |
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| 124 | const casa::Block<casa::CountedPtr<SDMemTable> >& in, |
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| 125 | casa::uInt iTab, casa::uInt iRow, casa::uInt axis, casa::uInt nAxesSub, |
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[227] | 126 | casa::Bool useMask, WeightType wtType) const; |
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[146] | 127 | |
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[152] | 128 | // Function to fill Scan Container when averaging in time |
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| 129 | |
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[144] | 130 | void fillSDC (SDContainer& sc, const casa::Array<casa::Bool>& mask, |
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| 131 | const casa::Array<casa::Float>& data, |
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| 132 | const casa::Array<casa::Float>& tSys, |
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| 133 | casa::Int scanID, casa::Double timeStamp, |
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| 134 | casa::Double interval, const casa::String& sourceName, |
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[227] | 135 | const casa::Vector<casa::uInt>& freqID) const; |
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[144] | 136 | |
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[162] | 137 | // Put the data and mask into the SDContainer |
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| 138 | void putDataInSDC (SDContainer& sc, const casa::Array<casa::Float>& data, |
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[227] | 139 | const casa::Array<casa::Bool>& mask) const; |
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[162] | 140 | |
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[152] | 141 | // Function to normalize data when averaging in time |
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[144] | 142 | |
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[146] | 143 | void normalize (casa::MaskedArray<casa::Float>& data, |
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| 144 | const casa::Array<casa::Float>& sumSq, |
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| 145 | const casa::Array<casa::Float>& nPts, |
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[227] | 146 | WeightType wtType, casa::Int axis, casa::Int nAxes) const; |
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[152] | 147 | |
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| 148 | // Function to get the current cursor location |
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| 149 | void getCursorLocation (casa::IPosition& start, casa::IPosition& end, |
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[227] | 150 | const SDMemTable& in) const; |
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[162] | 151 | |
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| 152 | // Convert weight string to enum value |
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| 153 | |
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[227] | 154 | void convertWeightString (WeightType& wt, const casa::String& weightStr) const; |
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| 155 | |
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| 156 | // Convert interpolation type string |
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| 157 | void convertInterpString(casa::Int& type, const casa::String& interp) const; |
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| 158 | |
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[230] | 159 | // Correct data from an ascii Table |
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[234] | 160 | void correctFromAsciiTable(SDMemTable* pTabOut, const SDMemTable& in, |
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| 161 | const casa::String& fileName, |
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| 162 | const casa::String& col0, const casa::String& col1, |
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| 163 | const casa::String& methodStr, casa::Bool doAll, |
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| 164 | const casa::Vector<casa::Float>& xOut) const; |
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[230] | 165 | |
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| 166 | // Correct data from a Table |
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[234] | 167 | void correctFromTable(SDMemTable* pTabOut, const SDMemTable& in, const casa::Table& tTable, |
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| 168 | const casa::String& col0, const casa::String& col1, |
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| 169 | const casa::String& methodStr, casa::Bool doAll, |
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| 170 | const casa::Vector<casa::Float>& xOut) const; |
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[230] | 171 | |
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[234] | 172 | // Correct data from a Vector |
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| 173 | void correctFromVector (SDMemTable* pTabOut, const SDMemTable& in, |
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| 174 | casa::Bool doAll, const casa::Vector<casa::Float>& factor) const; |
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| 175 | |
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| 176 | |
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| 177 | |
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[230] | 178 | // Read ascii file into a Table |
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| 179 | |
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[227] | 180 | casa::Table readAsciiFile (const casa::String& fileName) const; |
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[165] | 181 | }; |
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[146] | 182 | |
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[165] | 183 | } // namespace |
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[146] | 184 | |
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[165] | 185 | #endif |
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