| 1 | //#---------------------------------------------------------------------------
|
|---|
| 2 | //# SDMath.h: A collection of single dish mathematical operations
|
|---|
| 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:
|
|---|
| 30 | //#---------------------------------------------------------------------------
|
|---|
| 31 | #ifndef SDMATH_H
|
|---|
| 32 | #define SDMATH_H
|
|---|
| 33 |
|
|---|
| 34 | #include <string>
|
|---|
| 35 | #include <vector>
|
|---|
| 36 | #include <casa/aips.h>
|
|---|
| 37 | #include <casa/Utilities/CountedPtr.h>
|
|---|
| 38 |
|
|---|
| 39 | namespace asap {
|
|---|
| 40 |
|
|---|
| 41 | class SDMemTable;
|
|---|
| 42 |
|
|---|
| 43 | class SDMath {
|
|---|
| 44 |
|
|---|
| 45 | public:
|
|---|
| 46 |
|
|---|
| 47 | // Default constructor
|
|---|
| 48 | SDMath();
|
|---|
| 49 |
|
|---|
| 50 | // Copy Constructor (copy semantics)
|
|---|
| 51 | SDMath (const SDMath& other);
|
|---|
| 52 |
|
|---|
| 53 | // Assignment (copy semantics)
|
|---|
| 54 | SDMath &operator=(const SDMath& other);
|
|---|
| 55 |
|
|---|
| 56 | // Quotient
|
|---|
| 57 | casa::CountedPtr<SDMemTable> quotient(const casa::CountedPtr<SDMemTable>& on,
|
|---|
| 58 | const casa::CountedPtr<SDMemTable>& off);
|
|---|
| 59 |
|
|---|
| 60 | // Average in time
|
|---|
| 61 | casa::CountedPtr<SDMemTable> average (const casa::Block<casa::CountedPtr<SDMemTable> >& in,
|
|---|
| 62 | const casa::Vector<casa::Bool>& mask,
|
|---|
| 63 | bool scanAverage, const std::string& weightStr);
|
|---|
| 64 |
|
|---|
| 65 | // Statistics
|
|---|
| 66 | std::vector<float> statistic(const casa::CountedPtr<SDMemTable>& in,
|
|---|
| 67 | const std::vector<bool>& mask, const std::string& which);
|
|---|
| 68 |
|
|---|
| 69 | // Hanning
|
|---|
| 70 | SDMemTable* hanning(const SDMemTable& in);
|
|---|
| 71 |
|
|---|
| 72 |
|
|---|
| 73 | // Bin up spectra
|
|---|
| 74 | SDMemTable* bin (const SDMemTable& in, casa::Int width);
|
|---|
| 75 |
|
|---|
| 76 | // Simple mathematical operations. what=0 (mul) or 1 (add)
|
|---|
| 77 | SDMemTable* simpleOperate (const SDMemTable& in, casa::Float offset,
|
|---|
| 78 | casa::Bool doAll, casa::uInt what);
|
|---|
| 79 |
|
|---|
| 80 | // Average polarizations
|
|---|
| 81 | SDMemTable* averagePol (const SDMemTable& in, const casa::Vector<casa::Bool>& mask);
|
|---|
| 82 |
|
|---|
| 83 | private:
|
|---|
| 84 |
|
|---|
| 85 | // Weighting type for time averaging
|
|---|
| 86 |
|
|---|
| 87 | enum WeightType {NONE,VAR,TSYS};
|
|---|
| 88 |
|
|---|
| 89 | // Function to use accumulate data during time averaging
|
|---|
| 90 |
|
|---|
| 91 | void accumulate (casa::Double& timeSum, casa::Double& intSum, casa::Int& nAccum,
|
|---|
| 92 | casa::MaskedArray<casa::Float>& sum, casa::Array<casa::Float>& sumSq,
|
|---|
| 93 | casa::Array<casa::Float>& nPts, casa::Array<casa::Float>& tSysSum,
|
|---|
| 94 | const casa::Array<casa::Float>& tSys, const casa::Array<casa::Float>& nInc,
|
|---|
| 95 | const casa::Vector<casa::Bool>& mask, casa::Double time, casa::Double interval,
|
|---|
| 96 | const casa::Block<casa::CountedPtr<SDMemTable> >& in,
|
|---|
| 97 | casa::uInt iTab, casa::uInt iRow, casa::uInt axis, casa::uInt nAxesSub,
|
|---|
| 98 | casa::Bool useMask, WeightType wtType);
|
|---|
| 99 |
|
|---|
| 100 | // Function to fill Scan Container when averaging in time
|
|---|
| 101 |
|
|---|
| 102 | void fillSDC (SDContainer& sc, const casa::Array<casa::Bool>& mask,
|
|---|
| 103 | const casa::Array<casa::Float>& data,
|
|---|
| 104 | const casa::Array<casa::Float>& tSys,
|
|---|
| 105 | casa::Int scanID, casa::Double timeStamp,
|
|---|
| 106 | casa::Double interval, const casa::String& sourceName,
|
|---|
| 107 | const casa::Vector<casa::uInt>& freqID);
|
|---|
| 108 |
|
|---|
| 109 | // Put the data and mask into the SDContainer
|
|---|
| 110 | void putDataInSDC (SDContainer& sc, const casa::Array<casa::Float>& data,
|
|---|
| 111 | const casa::Array<casa::Bool>& mask);
|
|---|
| 112 |
|
|---|
| 113 | // Function to normalize data when averaging in time
|
|---|
| 114 |
|
|---|
| 115 | void normalize (casa::MaskedArray<casa::Float>& data,
|
|---|
| 116 | const casa::Array<casa::Float>& sumSq,
|
|---|
| 117 | const casa::Array<casa::Float>& nPts,
|
|---|
| 118 | WeightType wtType, casa::Int axis, casa::Int nAxes);
|
|---|
| 119 |
|
|---|
| 120 | // Function to get the current cursor location
|
|---|
| 121 | void getCursorLocation (casa::IPosition& start, casa::IPosition& end,
|
|---|
| 122 | const SDMemTable& in);
|
|---|
| 123 |
|
|---|
| 124 | // Convert weight string to enum value
|
|---|
| 125 |
|
|---|
| 126 | void convertWeightString (WeightType& wt, const std::string& weightStr);
|
|---|
| 127 |
|
|---|
| 128 | };
|
|---|
| 129 |
|
|---|
| 130 | } // namespace
|
|---|
| 131 |
|
|---|
| 132 | #endif
|
|---|
