source: branches/alma/src/STAsciiWriter.cpp@ 1582

Last change on this file since 1582 was 1446, checked in by TakTsutsumi, 16 years ago

Merged recent updates (since 2007) from nrao-asap

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 6.0 KB
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1//#---------------------------------------------------------------------------
2//# STAsciiWriter.cc: ASAP class to write out single dish spectra as FITS images
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: STAsciiWriter.cpp 1446 2008-11-12 06:04:01Z TakTsutsumi $
30//#---------------------------------------------------------------------------
31
32#include <casa/aips.h>
33#include <casa/Arrays/Array.h>
34#include <casa/Arrays/Matrix.h>
35#include <casa/Arrays/Vector.h>
36#include <casa/Arrays/VectorIter.h>
37#include <casa/Utilities/CountedPtr.h>
38#include <casa/Quanta/Quantum.h>
39#include <casa/Quanta/MVAngle.h>
40#include <casa/Utilities/Assert.h>
41
42#include <casa/fstream.h>
43#include <casa/sstream.h>
44#include <casa/iomanip.h>
45
46#include <measures/Measures/MEpoch.h>
47
48#include <tables/Tables/Table.h>
49#include <tables/Tables/TableIter.h>
50#include <tables/Tables/TableRecord.h>
51#include <casa/Containers/RecordField.h>
52#include <tables/Tables/TableRow.h>
53#include <tables/Tables/ScalarColumn.h>
54#include <tables/Tables/ArrayColumn.h>
55
56#include "STDefs.h"
57#include "STHeader.h"
58#include "Scantable.h"
59#include "STAsciiWriter.h"
60
61using namespace casa;
62using namespace asap;
63
64
65STAsciiWriter::STAsciiWriter()
66{;}
67
68STAsciiWriter::~STAsciiWriter()
69{;}
70
71
72Bool STAsciiWriter::write(const Scantable& stable, const String& fileName)
73{
74
75// Get global Header from Table
76
77 STHeader hdr = stable.getHeader();
78
79// Column keywords
80
81 Table tab = stable.table();
82
83// Temps
84
85 const Unit RAD(String("rad"));
86
87// Open and write header file
88
89 String rootName(fileName);
90 if (rootName.length()==0) rootName = String("ascii");
91
92 Block<String> cols(4);
93 cols[0] = String("SCANNO");
94 cols[1] = String("CYCLENO");
95 cols[2] = String("BEAMNO");
96 cols[3] = String("IFNO");
97 TableIterator iter(tab, cols);
98 // Open data file
99 while ( !iter.pastEnd() ) {
100 Table t = iter.table();
101 ROTableRow row(t);
102 const TableRecord& rec = row.get(0);
103 String dirtype = stable.getDirectionRefString();
104 ostringstream onstr;
105 onstr << "SCAN" << rec.asuInt("SCANNO")
106 << "_CYCLE" << rec.asuInt("CYCLENO")
107 << "_BEAM" << rec.asuInt("BEAMNO")
108 << "_IF" << rec.asuInt("IFNO");
109 String fName = rootName + String(onstr) + String(".txt");
110 ofstream of(fName.chars(), ios::trunc);
111 int row0 = t.rowNumbers(tab)[0];
112 MDirection mdir = stable.getDirection(row0);
113 of << setfill('#') << setw(70) << "" << setfill(' ') << endl;
114 addLine(of, "Name", rec.asString("SRCNAME"));
115 addLine(of, "Position", String(dirtype+ " "+formatDirection(mdir)));
116 addLine(of, "Time", stable.getTime(row0,true));
117 addLine(of, "Flux Unit", hdr.fluxunit);
118 addLine(of, "Pol Type", stable.getPolType());
119 addLine(of, "Abcissa", stable.getAbcissaLabel(row0));
120 addLine(of, "Beam No", rec.asuInt("BEAMNO"));
121 addLine(of, "IF No", rec.asuInt("IFNO"));
122 String wcs = stable.frequencies().print(rec.asuInt("FREQ_ID"), True);
123 addLine(of, "WCS", wcs);
124 std::vector<double> restfreqs= stable.molecules().getRestFrequency(rec.asuInt("MOLECULE_ID"));
125 int nf = restfreqs.size();
126 //addLine(of, "Rest Freq.",
127 // stable.molecules().getRestFrequency(rec.asuInt("MOLECULE_ID") ));
128 addLine(of, "Rest Freq.", restfreqs[0]);
129 for ( unsigned int i=1; i<nf; ++i) {
130 addLine(of, " ", restfreqs[i]);
131 }
132 of << setfill('#') << setw(70) << "" << setfill(' ') << endl;
133
134 of << std::left << setw(16) << "x";
135 for ( unsigned int i=0; i<t.nrow(); ++i ) {
136 ostringstream os,os1;
137 os << "y" << i;
138 os1 << "yf" << i;
139 of << setw(16) << String(os);
140 of << setw(7) << String(os1);
141 }
142 of << endl;
143 std::vector<double> abc = stable.getAbcissa(row0);
144 ROArrayColumn<Float> specCol(t,"SPECTRA");
145 ROArrayColumn<uChar> flagCol(t,"FLAGTRA");
146 Matrix<Float> specs = specCol.getColumn();
147 Matrix<uChar> flags = flagCol.getColumn();
148 for ( unsigned int i=0; i<specs.nrow(); ++i ) {
149 of << setw(16) << setprecision(8) << abc[i] ;
150 for ( unsigned int j=0; j<specs.ncolumn(); ++j ) {
151 of << setw(16) << setprecision(8) << specs(i,j) ;
152 of << setw(7) << Int(flags(i,j));
153 }
154 of << endl;
155 }
156 of.close();
157 ostringstream oss;
158 oss << "Wrote " << fName;
159 pushLog(String(oss));
160 ++iter;
161 }
162 return True;
163}
164
165
166String STAsciiWriter::formatDirection(const MDirection& md) const
167{
168 Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue();
169 Int prec = 7;
170
171 MVAngle mvLon(t[0]);
172 String sLon = mvLon.string(MVAngle::TIME,prec);
173 uInt tp = md.getRef().getType();
174 if (tp == MDirection::GALACTIC ||
175 tp == MDirection::SUPERGAL ) {
176 sLon = mvLon(0.0).string(MVAngle::ANGLE_CLEAN,prec);
177 }
178 MVAngle mvLat(t[1]);
179 String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec);
180 return sLon + String(" ") + sLat;
181}
182
183template <class T>
184void STAsciiWriter::addLine(ostream& of, const String& lbl, const T& value)
185{
186 String label = lbl+String(": ");
187 of << std::right << "# " << setw(15) << label << std::left
188 << setw(52) << value << setw(0) << "#"<< endl;
189}
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