1 | //#---------------------------------------------------------------------------
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2 | //# SDMemTable.cc: A MemoryTable container for single dish integrations
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3 | //#---------------------------------------------------------------------------
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4 | //# Copyright (C) 2004
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5 | //# Malte Marquarding, ATNF
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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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31 |
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32 |
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33 | #include <aips/iostream.h>
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34 | #include <aips/Arrays/Array.h>
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35 | #include <aips/Arrays/ArrayMath.h>
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36 | #include <aips/Arrays/MaskArrMath.h>
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37 | #include <aips/Arrays/ArrayLogical.h>
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38 | #include <aips/Arrays/ArrayAccessor.h>
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39 |
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40 | #include <aips/Tables/TableParse.h>
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41 | #include <aips/Tables/TableDesc.h>
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42 | #include <aips/Tables/SetupNewTab.h>
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43 | #include <aips/Tables/ScaColDesc.h>
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44 | #include <aips/Tables/ArrColDesc.h>
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45 |
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46 | #include <aips/Tables/ExprNode.h>
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47 | #include <aips/Tables/ScalarColumn.h>
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48 | #include <aips/Tables/ArrayColumn.h>
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49 |
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50 | #include "SDMemTable.h"
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51 | #include "SDContainer.h"
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52 |
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53 | using namespace atnf_sd;
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54 |
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55 | SDMemTable::SDMemTable(const std::string& name) :
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56 | IFSel_(0),
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57 | beamSel_(0),
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58 | polSel_(0) {
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59 | name_ = String(name);
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60 | setup();
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61 | }
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62 |
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63 | SDMemTable::SDMemTable(const SDMemTable& other, Bool clear) {
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64 | this->IFSel_= other.IFSel_;
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65 | this->beamSel_= other.beamSel_;
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66 | this->polSel_= other.polSel_;
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67 | this->chanMask_ = other.chanMask_;
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68 | this->name_ = String("dummy");
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69 | this->table_ = other.table_.copyToMemoryTable(String("dummy"));
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70 | // clear all rows()
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71 | if (clear) {
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72 | this->table_.removeRow(this->table_.rowNumbers());
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73 | } else {
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74 | this->IFSel_ = other.IFSel_;
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75 | this->beamSel_ = other.beamSel_;
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76 | this->polSel_ = other.polSel_;
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77 | }
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78 | }
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79 |
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80 | SDMemTable::SDMemTable(const Table& tab, Int scanID) :
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81 | IFSel_(0),
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82 | beamSel_(0),
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83 | polSel_(0) {
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84 | name_ = String("SDMemTable");
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85 | String exprs = String("select * from $1 where SCANID == ")
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86 | +String::toString(scanID);
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87 | cerr << exprs << endl;
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88 | Table t = tableCommand(exprs,tab);
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89 | table_ = t.copyToMemoryTable(name_);
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90 | }
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91 |
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92 | SDMemTable::~SDMemTable(){
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93 | cerr << "goodbye from SDMemTable @ " << this << endl;
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94 | }
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95 |
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96 | SDMemTable SDMemTable::getScan(Int scanID) {
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97 | return SDMemTable(table_, scanID);
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98 | }
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99 |
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100 | void SDMemTable::setup() {
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101 | TableDesc td("", "1", TableDesc::Scratch);
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102 | td.comment() = "A SDMemTable";
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103 | //td.rwKeywordSet().define("VERSION",Float(0.1));
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104 | td.addColumn(ScalarColumnDesc<Double>("TIME"));
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105 | td.addColumn(ScalarColumnDesc<String>("SRCNAME"));
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106 | td.addColumn(ArrayColumnDesc<Float>("SPECTRA"));
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107 | td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA"));
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108 | td.addColumn(ArrayColumnDesc<Float>("TSYS"));
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109 | td.addColumn(ScalarColumnDesc<Int>("SCANID"));
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110 | td.addColumn(ScalarColumnDesc<Double>("INTERVAL"));
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111 | // Now create a new table from the description.
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112 | SetupNewTable aNewTab(name_, td, Table::New);
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113 | table_ = Table(aNewTab, Table::Memory, 0);
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114 | }
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115 |
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116 | std::string SDMemTable::name() const {
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117 | return name_;
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118 | }
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119 |
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120 | std::string SDMemTable::getSourceName(Int whichRow) const {
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121 | ROScalarColumn<String> src(table_, "SRCNAME");
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122 | String name;
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123 | src.get(whichRow, name);
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124 | return name;
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125 | }
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126 |
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127 | Double SDMemTable::getTime(Int whichRow) const {
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128 | ROScalarColumn<Double> src(table_, "TIME");
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129 | Double tm;
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130 | src.get(whichRow, tm);
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131 | return tm;
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132 | }
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133 |
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134 | bool SDMemTable::setIF(Int whichIF) {
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135 | //if ( whichIF >= 0 && whichIF < nIF_) {
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136 | IFSel_ = whichIF;
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137 | return true;
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138 | //}
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139 | //return false;
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140 | }
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141 | bool SDMemTable::setBeam(Int whichBeam) {
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142 | //if ( whichBeam >= 0 && whichBeam < nBeam_) {
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143 | beamSel_ = whichBeam;
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144 | return true;
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145 | //}
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146 | //return false;
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147 |
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148 | }
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149 | bool SDMemTable::setPol(Int whichPol) {
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150 | //if ( whichPol >= 0 && whichPol < nPol_) {
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151 | polSel_ = whichPol;
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152 | return true;
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153 | //}
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154 | //return false;
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155 | }
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156 |
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157 | bool SDMemTable::setMask(const std::vector<int>& whichChans) {
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158 | ROArrayColumn<uChar> spec(table_, "FLAGTRA");
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159 |
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160 | std::vector<int>::iterator it;
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161 | uInt n = spec.shape(0)(3);
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162 | chanMask_.resize(n,true);
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163 | for (it = whichChans.begin(); it != whichChans.end(); it++) {
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164 | if (*it < n)
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165 | chanMask_[*it] = false;
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166 | }
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167 | return true;
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168 | }
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169 |
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170 | std::vector<bool> SDMemTable::getMask(Int whichRow) const {
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171 | std::vector<bool> mask;
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172 | ROArrayColumn<uChar> spec(table_, "FLAGTRA");
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173 | Array<uChar> arr;
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174 | spec.get(whichRow, arr);
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175 | ArrayAccessor<uChar, Axis<0> > aa0(arr);
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176 | aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
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177 | ArrayAccessor<uChar, Axis<1> > aa1(aa0);
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178 | aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
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179 | ArrayAccessor<uChar, Axis<2> > aa2(aa1);
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180 | aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
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181 |
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182 | Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
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183 |
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184 | std::vector<bool> tmp;
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185 | tmp = chanMask_; // WHY the fxxx do I have to make a copy here
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186 | std::vector<bool>::iterator miter;
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187 | miter = tmp.begin();
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188 |
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189 | for (ArrayAccessor<uChar, Axis<3> > i(aa2); i != i.end(); ++i) {
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190 | bool out =!static_cast<bool>(*i);
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191 | if (useUserMask) {
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192 | out = out && (*miter);
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193 | miter++;
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194 | }
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195 | mask.push_back(out);
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196 | }
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197 | return mask;
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198 | }
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199 | std::vector<float> SDMemTable::getSpectrum(Int whichRow) const {
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200 |
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201 | std::vector<float> spectrum;
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202 | ROArrayColumn<Float> spec(table_, "SPECTRA");
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203 | Array<Float> arr;
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204 | spec.get(whichRow, arr);
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205 | ArrayAccessor<Float, Axis<0> > aa0(arr);
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206 | aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
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207 | ArrayAccessor<Float, Axis<1> > aa1(aa0);
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208 | aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
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209 | ArrayAccessor<Float, Axis<2> > aa2(aa1);
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210 | aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
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211 | for (ArrayAccessor<Float, Axis<3> > i(aa2); i != i.end(); ++i) {
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212 | spectrum.push_back(*i);
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213 | }
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214 | return spectrum;
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215 | }
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216 |
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217 | MaskedArray<Float> SDMemTable::rowAsMaskedArray(uInt whichRow,
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218 | Bool useSelection) {
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219 | ROArrayColumn<Float> spec(table_, "SPECTRA");
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220 | Array<Float> arr;
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221 | ROArrayColumn<uChar> flag(table_, "FLAGTRA");
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222 | Array<uChar> farr;
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223 | spec.get(whichRow, arr);
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224 | flag.get(whichRow, farr);
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225 | Array<Bool> barr(farr.shape());convertArray(barr, farr);
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226 | MaskedArray<Float> marr;
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227 | if (useSelection) {
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228 | ArrayAccessor<Float, Axis<0> > aa0(arr);
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229 | aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
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230 | ArrayAccessor<Float, Axis<1> > aa1(aa0);
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231 | aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
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232 | ArrayAccessor<Float, Axis<2> > aa2(aa1);
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233 | aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
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234 |
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235 | ArrayAccessor<Bool, Axis<0> > baa0(barr);
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236 | baa0.reset(baa0.begin(uInt(beamSel_)));//go to beam
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237 | ArrayAccessor<Bool, Axis<1> > baa1(baa0);
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238 | baa1.reset(baa1.begin(uInt(IFSel_)));// go to IF
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239 | ArrayAccessor<Bool, Axis<2> > baa2(baa1);
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240 | baa2.reset(baa2.begin(uInt(polSel_)));// go to pol
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241 |
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242 | Vector<Float> a(arr.shape()(3));
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243 | Vector<Bool> b(barr.shape()(3));
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244 | ArrayAccessor<Float, Axis<0> > a0(a);
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245 | ArrayAccessor<Bool, Axis<0> > b0(b);
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246 |
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247 | ArrayAccessor<Bool, Axis<3> > j(baa2);
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248 | for (ArrayAccessor<Float, Axis<3> > i(aa2); i != i.end(); ++i) {
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249 | (*a0) = (*i);
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250 | (*b0) = !(*j);
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251 | j++;
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252 | a0++;
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253 | b0++;
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254 | }
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255 | marr.setData(a,b);
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256 | } else {
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257 | marr.setData(arr,!barr);
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258 | }
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259 | return marr;
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260 | }
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261 |
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262 | Float SDMemTable::getTsys(Int whichRow) const {
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263 | ROArrayColumn<Float> ts(table_, "TSYS");
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264 | Array<Float> arr;
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265 | ts.get(whichRow, arr);
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266 | Float out;
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267 | IPosition ip(arr.shape());
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268 | ip(0) = beamSel_;ip(1) = IFSel_;ip(2) = polSel_;ip(3)=0;
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269 | out = arr(ip);
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270 | return out;
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271 | }
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272 |
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273 | bool SDMemTable::putSDContainer(const SDContainer& sdc) {
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274 | ScalarColumn<Double> mjd(table_, "TIME");
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275 | ScalarColumn<String> srcn(table_, "SRCNAME");
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276 | ArrayColumn<Float> spec(table_, "SPECTRA");
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277 | ArrayColumn<uChar> flags(table_, "FLAGTRA");
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278 | ArrayColumn<Float> ts(table_, "TSYS");
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279 | ScalarColumn<Int> scan(table_, "SCANID");
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280 | ScalarColumn<Double> integr(table_, "INTERVAL");
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281 |
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282 | uInt rno = table_.nrow();
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283 | table_.addRow();
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284 |
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285 | mjd.put(rno, sdc.timestamp);
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286 | srcn.put(rno, sdc.sourcename);
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287 | spec.put(rno, sdc.getSpectrum());
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288 | flags.put(rno, sdc.getFlags());
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289 | ts.put(rno, sdc.getTsys());
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290 | scan.put(rno, sdc.scanid);
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291 | integr.put(rno, sdc.interval);
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292 |
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293 | return true;
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294 | }
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295 | void SDMemTable::makePersistent(const std::string& filename) {
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296 | table_.deepCopy(filename,Table::New);
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297 | }
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298 |
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299 | void SDMemTable::summary() const {
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300 | cerr << "SDMemTable::summary()" << endl;
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301 | ROScalarColumn<Int> scans(table_, "SCANID");
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302 | ROScalarColumn<String> srcs(table_, "SRCNAME");
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303 | uInt count = 0;
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304 | String name;
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305 | Int previous = -1;Int current=0;
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306 | cout << "Scan\tSource" << endl;
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307 | for (uInt i=0; i< scans.nrow();i++) {
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308 | scans.getScalar(i,current);
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309 | if (previous != current) {
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310 | srcs.getScalar(i,name);
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311 | previous = current;
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312 | count++;
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313 | cout << count << "\t"
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314 | << name
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315 | << endl;
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316 | }
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317 | }
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318 | cout << "Table contains " << table_.nrow() << "integrations." << endl;
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319 | cout << "in " << count << "scans." << endl;
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320 | }
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321 | /*
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322 | void maskChannels(const std::vector<Int>& whichChans ) {
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323 |
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324 | std::vector<int>::iterator it;
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325 | ArrayAccessor<uChar, Axis<2> > j(flags_);
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326 | for (it = whichChans.begin(); it != whichChans.end(); it++) {
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327 | j.reset(j.begin(uInt(*it)));
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328 | for (ArrayAccessor<uChar, Axis<0> > i(j); i != i.end(); ++i) {
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329 | for (ArrayAccessor<uChar, Axis<1> > ii(i); ii != ii.end(); ++ii) {
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330 | for (ArrayAccessor<uChar, Axis<3> > iii(ii);
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331 | iii != iii.end(); ++iii) {
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332 | (*iii) =
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333 | }
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334 | }
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335 | }
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336 | }
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337 |
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338 | }
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339 | */
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