[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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[2] | 38 | |
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[83] | 39 | namespace asap { |
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[2] | 40 | |
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| 41 | class SDMemTable; |
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| 42 | |
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[66] | 43 | namespace SDMath { |
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[152] | 44 | |
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| 45 | // Quotient |
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| 46 | |
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[125] | 47 | casa::CountedPtr<SDMemTable> quotient(const casa::CountedPtr<SDMemTable>& on, |
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| 48 | const casa::CountedPtr<SDMemTable>& off); |
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[152] | 49 | |
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| 50 | // Multiply |
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| 51 | |
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| 52 | void multiplyInSitu(SDMemTable* in, casa::Float factor, casa::Bool all); |
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[125] | 53 | casa::CountedPtr<SDMemTable> multiply(const casa::CountedPtr<SDMemTable>& in, |
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[152] | 54 | casa::Float factor, casa::Bool all); |
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| 55 | |
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| 56 | // Addition |
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| 57 | |
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| 58 | void addInSitu (SDMemTable* in, casa::Float offset, casa::Bool all); |
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[125] | 59 | casa::CountedPtr<SDMemTable> add(const casa::CountedPtr<SDMemTable>& in, |
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[152] | 60 | casa::Float offset, casa::Bool all); |
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| 61 | |
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| 62 | // Hanning |
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| 63 | |
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[125] | 64 | casa::CountedPtr<SDMemTable> hanning(const casa::CountedPtr<SDMemTable>& in); |
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[48] | 65 | |
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[152] | 66 | // Bin up |
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| 67 | |
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| 68 | casa::CountedPtr<SDMemTable> bin(const casa::CountedPtr<SDMemTable>& in, |
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| 69 | casa::Int width); |
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| 70 | |
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| 71 | // Average in time |
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| 72 | |
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[144] | 73 | casa::CountedPtr<SDMemTable> |
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| 74 | average (const casa::Block<casa::CountedPtr<SDMemTable> >& in, |
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| 75 | const casa::Vector<casa::Bool>& mask, |
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| 76 | bool scanAverage, const std::string& weightStr); |
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[48] | 77 | |
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[152] | 78 | // Average polarizations |
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| 79 | |
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[125] | 80 | casa::CountedPtr<SDMemTable> |
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| 81 | averagePol(const casa::CountedPtr<SDMemTable>& in, const casa::Vector<casa::Bool>& mask); |
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[48] | 82 | |
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[152] | 83 | // Statistics |
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| 84 | |
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[130] | 85 | std::vector<float> statistic(const casa::CountedPtr<SDMemTable>& in, |
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| 86 | const std::vector<bool>& mask, const std::string& which); |
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| 87 | |
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[155] | 88 | // private like functions (this is not a class so can't make them private) |
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[130] | 89 | |
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[152] | 90 | // Weighting type for time averaging |
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| 91 | |
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[144] | 92 | enum weightType {NONE,VAR,TSYS}; |
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| 93 | |
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[152] | 94 | // Function to use accumulate data during time averaging |
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| 95 | |
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[146] | 96 | void accumulate (casa::Double& timeSum, casa::Double& intSum, casa::Int& nAccum, |
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| 97 | casa::MaskedArray<casa::Float>& sum, casa::Array<casa::Float>& sumSq, |
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| 98 | casa::Array<casa::Float>& nPts, casa::Array<casa::Float>& tSysSum, |
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| 99 | const casa::Array<casa::Float>& tSys, const casa::Array<casa::Float>& nInc, |
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| 100 | const casa::Vector<casa::Bool>& mask, casa::Double time, casa::Double interval, |
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| 101 | const casa::Block<casa::CountedPtr<SDMemTable> >& in, |
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| 102 | casa::uInt iTab, casa::uInt iRow, casa::uInt axis, casa::uInt nAxesSub, |
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| 103 | casa::Bool useMask, weightType wtType); |
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| 104 | |
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[152] | 105 | // Function to fill Scan Container when averaging in time |
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| 106 | |
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[144] | 107 | void fillSDC (SDContainer& sc, const casa::Array<casa::Bool>& mask, |
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| 108 | const casa::Array<casa::Float>& data, |
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| 109 | const casa::Array<casa::Float>& tSys, |
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| 110 | casa::Int scanID, casa::Double timeStamp, |
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| 111 | casa::Double interval, const casa::String& sourceName, |
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| 112 | const casa::Vector<casa::uInt>& freqID); |
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| 113 | |
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[152] | 114 | // Function to normalize data when averaging in time |
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[144] | 115 | |
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[146] | 116 | void normalize (casa::MaskedArray<casa::Float>& data, |
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| 117 | const casa::Array<casa::Float>& sumSq, |
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| 118 | const casa::Array<casa::Float>& nPts, |
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| 119 | weightType wtType, casa::Int axis, casa::Int nAxes); |
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[152] | 120 | |
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| 121 | // Functions for simple mathematical operations. what=0 (mul) or 1 (add) |
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| 122 | |
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| 123 | SDMemTable* localOperate (const SDMemTable& in, casa::Float offset, |
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| 124 | casa::Bool doAll, casa::uInt what); |
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| 125 | |
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| 126 | // Function to get the current cursor location |
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| 127 | void getCursorLocation (casa::IPosition& start, casa::IPosition& end, |
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| 128 | const SDMemTable& in); |
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[2] | 129 | }; |
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[125] | 130 | |
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[2] | 131 | } // namespace |
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| 132 | |
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| 133 | #endif |
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[146] | 134 | |
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| 135 | |
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| 136 | |
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| 137 | |
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| 138 | |
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