//#--------------------------------------------------------------------------- //# NRODataset.cc: Base class for NRO dataset. //#--------------------------------------------------------------------------- //# Copyright (C) 2000-2006 //# Associated Universities, Inc. Washington DC, USA. //# //# This library is free software; you can redistribute it and/or modify it //# under the terms of the GNU Library General Public License as published by //# the Free Software Foundation; either version 2 of the License, or (at your //# option) any later version. //# //# This library is distributed in the hope that it will be useful, but WITHOUT //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public //# License for more details. //# //# You should have received a copy of the GNU Library General Public License //# along with this library; if not, write to the Free Software Foundation, //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA. //# //# Correspondence concerning AIPS++ should be addressed as follows: //# Internet email: aips2-request@nrao.edu. //# Postal address: AIPS++ Project Office //# National Radio Astronomy Observatory //# 520 Edgemont Road //# Charlottesville, VA 22903-2475 USA //# //# $Id$ //#--------------------------------------------------------------------------- //# Original: 2009/02/27, Takeshi Nakazato, NAOJ //#--------------------------------------------------------------------------- #include #include #include #include #include #include #include #include #include #include #include #include #include #define STRING2CHAR(s) const_cast((s).c_str()) //#include using namespace std ; // // NRODataset // // Base class for NRO dataset. // // constructor NRODataset::NRODataset( string name ) : scanNum_(0), rowNum_(0), scanLen_(0), dataLen_(0), dataid_(-1), filename_(name), fp_(NULL), same_(-1), frec_() { // size for common part of data datasize_ = sizeof( char ) * 8 // LOFIL + sizeof( char ) * 8 // VER + sizeof( char ) * 16 // GROUP + sizeof( char ) * 16 // PROJ + sizeof( char ) * 24 // SCHED + sizeof( char ) * 40 // OBSVR + sizeof( char ) * 16 // LOSTM + sizeof( char ) * 16 // LOETM + sizeof( int ) * 2 // ARYNM, NSCAN + sizeof( char ) * 120 // TITLE + sizeof( char ) * 16 // OBJ + sizeof( char ) * 8 // EPOCH + sizeof( double ) * 4 // RA0, DEC0, GLNG0, GLAT0 + sizeof( int ) * 2 // NCALB, SCNCD + sizeof( char ) * 120 // SCMOD + sizeof( double ) // URVEL + sizeof( char ) * 4 // VREF + sizeof( char ) * 4 // VDEF + sizeof( char ) * 8 // SWMOD + sizeof( double ) * 8 // FRQSW, DBEAM, MLTOF, CMTQ, CMTE, CMTSOM, CMTNODE, CMTI + sizeof( char ) * 24 // CMTTM + sizeof( double ) * 6 // SBDX, SBDY, SBDZ1, SBDZ2, DAZP, DELP + sizeof( int ) * 4 // CHBIND, NUMCH, CHMIN, CHMAX + sizeof( double ) * 3 // ALCTM, IPTIM, PA + sizeof( int ) * 3 // SCNLEN, SBIND, IBIT + sizeof( char ) * 8 ; // SITE } // destructor NRODataset::~NRODataset() { // release memory releaseRecord() ; // close file close() ; } // data initialization void NRODataset::initializeCommon() { LogIO os( LogOrigin( "NRODataset", "initialize()", WHERE ) ) ; int arymax = arrayMax() ; // check endian open() ; fseek( fp_, 144, SEEK_SET ) ; int tmp ; if( fread( &tmp, 1, sizeof(int), fp_ ) != sizeof(int) ) { os << LogIO::SEVERE << "Error while checking endian of the file. " << LogIO::EXCEPTION ; return ; } if ( ( 0 < tmp ) && ( tmp <= arymax ) ) { same_ = 1 ; os << LogIO::NORMAL << "same endian " << LogIO::POST ; } else { same_ = 0 ; os << LogIO::NORMAL << "different endian " << LogIO::POST ; } fseek( fp_, 0, SEEK_SET ) ; // common part of calculation of data size and memory allocation RX.resize( arymax ) ; HPBW.resize( arymax ) ; EFFA.resize( arymax ) ; EFFB.resize( arymax ) ; EFFL.resize( arymax ) ; EFSS.resize( arymax ) ; GAIN.resize( arymax ) ; HORN.resize( arymax ) ; POLTP.resize( arymax ) ; POLDR.resize( arymax ) ; POLAN.resize( arymax ) ; DFRQ.resize( arymax ) ; SIDBD.resize( arymax ) ; REFN.resize( arymax ) ; IPINT.resize( arymax ) ; MULTN.resize( arymax ) ; MLTSCF.resize( arymax ) ; LAGWIND.resize( arymax ) ; BEBW.resize( arymax ) ; BERES.resize( arymax ) ; CHWID.resize( arymax ) ; ARRY.resize( arymax ) ; NFCAL.resize( arymax ) ; F0CAL.resize( arymax ) ; FQCAL.resize( arymax ) ; CHCAL.resize( arymax ) ; CWCAL.resize( arymax ) ; DSBFC.resize( arymax ) ; for ( int i = 0 ; i < arymax ; i++ ) { FQCAL[i].resize( 10 ) ; CHCAL[i].resize( 10 ) ; CWCAL[i].resize( 10 ) ; } // NRODataRecord record_ = new NRODataRecord() ; record_->LDATA = NULL ; // reference frequency refFreq_.resize( arymax, 0.0 ) ; } // fill data header int NRODataset::fillHeader() { LogIO os( LogOrigin( "NRODataset", "fillHeader()", WHERE ) ) ; // open file if ( open() ) { os << LogIO::SEVERE << "Error opening file " << filename_ << "." << LogIO::EXCEPTION ; return -1 ; } // fill int status = fillHeader( same_ ) ; if ( status != 0 ) { os << LogIO::SEVERE << "Error while reading header " << filename_ << "." << LogIO::EXCEPTION ; return status ; } initArray(); show() ; return status ; } int NRODataset::fillHeaderCommon( int sameEndian ) { LogIO os( LogOrigin( "NRODataset", "fillHeader()", WHERE ) ) ; int arymax = arrayMax() ; // make sure file pointer points a beginning of the file fseek( fp_, 0, SEEK_SET ) ; // read data header LOFIL.resize(8); if ( readHeader( STRING2CHAR(LOFIL), 8 ) == -1 ) { os << LogIO::WARN << "Error while reading data LOFIL." << LogIO::POST ; return -1 ; } // DEBUG //cout << "LOFIL = " << LOFIL << endl ; // VER.resize(8); if ( readHeader( STRING2CHAR(VER), 8 ) == -1 ) { os << LogIO::WARN << "Error while reading data VER." << LogIO::POST ; return -1 ; } // DEBUG //cout << "VER = " << VER << endl ; // GROUP.resize(16); if ( readHeader( STRING2CHAR(GROUP), 16 ) == -1 ) { os << LogIO::WARN << "Error while reading data GROUP." << LogIO::POST ; return -1 ; } // DEBUG //cout << "GROUP = " << GROUP << endl ; // PROJ.resize(16); if ( readHeader( STRING2CHAR(PROJ), 16 ) == -1 ) { os << LogIO::WARN << "Error while reading data PROJ." << LogIO::POST ; return -1 ; } // DEBUG //cout << "PROJ = " << PROJ << endl ; // SCHED.resize(24); if ( readHeader( STRING2CHAR(SCHED), 24 ) == -1 ) { os << LogIO::WARN << "Error while reading data SCHED." << LogIO::POST ; return -1 ; } // DEBUG //cout << "SCHED = " << SCHED << endl ; // OBSVR.resize(40); if ( readHeader( STRING2CHAR(OBSVR), 40 ) == -1 ) { os << LogIO::WARN << "Error while reading data OBSVR." << LogIO::POST ; return -1 ; } // DEBUG //cout << "OBSVR = " << OBSVR << endl ; // LOSTM.resize(16); if ( readHeader( STRING2CHAR(LOSTM), 16 ) == -1 ) { os << LogIO::WARN << "Error while reading data LOSTM." << LogIO::POST ; return -1 ; } // DEBUG //cout << "LOSTM = " << LOSTM << endl ; // LOETM.resize(16); if ( readHeader( STRING2CHAR(LOETM), 16 ) == -1 ) { os << LogIO::WARN << "Error while reading data LOETM." << LogIO::POST ; return -1 ; } // DEBUG //cout << "LOETM = " << LOETM << endl ; // if ( readHeader( ARYNM, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data ARYNM." << LogIO::POST ; return -1 ; } // DEBUG //cout << "ARYNM = " << ARYNM << endl ; // if ( readHeader( NSCAN, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data NSCAN." << LogIO::POST ; return -1 ; } // DEBUG //cout << "NSCAN = " << NSCAN << endl ; // TITLE.resize(120); if ( readHeader( STRING2CHAR(TITLE), 120 ) == -1 ) { os << LogIO::WARN << "Error while reading data TITLE." << LogIO::POST ; return -1 ; } // DEBUG //cout << "TITLE = " << TITLE << endl ; // OBJ.resize(16); if ( readHeader( STRING2CHAR(OBJ), 16 ) == -1 ) { os << LogIO::WARN << "Error while reading data OBJ." << LogIO::POST ; return -1 ; } // DEBUG //cout << "OBJ = " << OBJ << endl ; // EPOCH.resize(8); if ( readHeader( STRING2CHAR(EPOCH), 8 ) == -1 ) { os << LogIO::WARN << "Error while reading data EPOCH." << LogIO::POST ; return -1 ; } // DEBUG //cout << "EPOCH = " << EPOCH << endl ; // if ( readHeader( RA0, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data RA0." << LogIO::POST ; return -1 ; } // DEBUG //cout << "RA0 = " << RA0 << endl ; // if ( readHeader( DEC0, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data DEC0." << LogIO::POST ; return -1 ; } // DEBUG //cout << "DEC0 = " << DEC0 << endl ; // if ( readHeader( GLNG0, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data GLNG0." << LogIO::POST ; return -1 ; } // DEBUG //cout << "GLNG0 = " << GLNG0 << endl ; // if ( readHeader( GLAT0, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data GLAT0." << LogIO::POST ; return -1 ; } // DEBUG //cout << "GLAT0 = " << GLAT0 << endl ; // if ( readHeader( NCALB, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data NCALB." << LogIO::POST ; return -1 ; } // DEBUG //cout << "NCALB = " << NCALB << endl ; // if ( readHeader( SCNCD, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data SCNCD." << LogIO::POST ; return -1 ; } // DEBUG //cout << "SCNCD = " << SCNCD << endl ; // SCMOD.resize(120); if ( readHeader( STRING2CHAR(SCMOD), 120 ) == -1 ) { os << LogIO::WARN << "Error while reading data SCMOD." << LogIO::POST ; return -1 ; } // DEBUG //cout << "SCMOD = " << SCMOD << endl ; // if ( readHeader( URVEL, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data URVEL." << LogIO::POST ; return -1 ; } // DEBUG //cout << "URVEL = " << URVEL << endl ; // VREF.resize(4); if ( readHeader( STRING2CHAR(VREF), 4 ) == -1 ) { os << LogIO::WARN << "Error while reading data VREF." << LogIO::POST ; return -1 ; } // DEBUG //cout << "VREF = " << VREF << endl ; // VDEF.resize(4); if ( readHeader( STRING2CHAR(VDEF), 4 ) == -1 ) { os << LogIO::WARN << "Error while reading data VDEF." << LogIO::POST ; return -1 ; } // DEBUG //cout << "VDEF = " << VDEF << endl ; // SWMOD.resize(8); if ( readHeader( STRING2CHAR(SWMOD), 8 ) == -1 ) { os << LogIO::WARN << "Error while reading data SWMOD." << LogIO::POST ; return -1 ; } SWMOD += "::OTF" ; // DEBUG //cout << "SWMOD = " << SWMOD << endl ; // if ( readHeader( FRQSW, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data FRQSW." << LogIO::POST ; return -1 ; } // DEBUG //cout << "FRQSW = " << FRQSW << endl ; // if ( readHeader( DBEAM, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data DBEAM." << LogIO::POST ; return -1 ; } // DEBUG //cout << "DBEAM = " << DBEAM << endl ; // if ( readHeader( MLTOF, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data MLTOF." << LogIO::POST ; return -1 ; } // DEBUG //cout << "MLTOF = " << MLTOF << endl ; // if ( readHeader( CMTQ, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data CMTQ." << LogIO::POST ; return -1 ; } // DEBUG //cout << "CMTQ = " << CMTQ << endl ; // if ( readHeader( CMTE, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data CMTE." << LogIO::POST ; return -1 ; } // DEBUG //cout << "CMTE = " << CMTE << endl ; // if ( readHeader( CMTSOM, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data CMTSOM." << LogIO::POST ; return -1 ; } // DEBUG //cout << "CMTSOM = " << CMTSOM << endl ; // if ( readHeader( CMTNODE, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data CMTNODE." << LogIO::POST ; return -1 ; } // DEBUG //cout << "CMTNODE = " << CMTNODE << endl ; // if ( readHeader( CMTI, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data CMTI." << LogIO::POST ; return -1 ; } // DEBUG //cout << "CMTI = " << CMTI << endl ; // CMTTM.resize(24); if ( readHeader( STRING2CHAR(CMTTM), 24 ) == -1 ) { os << LogIO::WARN << "Error while reading data CMTTM." << LogIO::POST ; return -1 ; } // DEBUG //cout << "CMTTM = " << CMTTM << endl ; // if ( readHeader( SBDX, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data SBDX." << LogIO::POST ; return -1 ; } // DEBUG //cout << "SBDX = " << SBDX << endl ; // if ( readHeader( SBDY, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data SBDY." << LogIO::POST ; return -1 ; } // DEBUG //cout << "SBDY = " << SBDY << endl ; // if ( readHeader( SBDZ1, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data SBDZ1." << LogIO::POST ; return -1 ; } // DEBUG //cout << "SBDZ1 = " << SBDZ1 << endl ; // if ( readHeader( SBDZ2, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data SBDZ2." << LogIO::POST ; return -1 ; } // DEBUG //cout << "SBDZ2 = " << SBDZ2 << endl ; // if ( readHeader( DAZP, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data DAZP." << LogIO::POST ; return -1 ; } // DEBUG //cout << "DAZP = " << DAZP << endl ; // if ( readHeader( DELP, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data DELP." << LogIO::POST ; return -1 ; } // DEBUG //cout << "DELP = " << DELP << endl ; // if ( readHeader( CHBIND, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data CHBIND." << LogIO::POST ; return -1 ; } // DEBUG //cout << "CHBIND = " << CHBIND << endl ; // if ( readHeader( NUMCH, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data NUMCH." << LogIO::POST ; return -1 ; } // DEBUG //cout << "NUMCH = " << NUMCH << endl ; // if ( readHeader( CHMIN, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data CHMIN." << LogIO::POST ; return -1 ; } // DEBUG //cout << "CHMIN = " << CHMIN << endl ; // if ( readHeader( CHMAX, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data CHMAX." << LogIO::POST ; return -1 ; } // DEBUG //cout << "CHMAX = " << CHMAX << endl ; // if ( readHeader( ALCTM, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data ALCTM." << LogIO::POST ; return -1 ; } // DEBUG //cout << "ALCTM = " << ALCTM << endl ; // if ( readHeader( IPTIM, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data IPTIM." << LogIO::POST ; return -1 ; } // DEBUG //cout << "IPTIM = " << IPTIM << endl ; // if ( readHeader( PA, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data PA." << LogIO::POST ; return -1 ; } // DEBUG //cout << "PA = " << PA << endl ; // for ( int i = 0 ; i < arymax ; i++ ) { RX[i].resize(16); if ( readHeader( STRING2CHAR(RX[i]), 16 ) == -1 ) { os << LogIO::WARN << "Error while reading data RX[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "RX", arymax, RX ) ; // for ( int i = 0 ; i < arymax ; i++ ) { if ( readHeader( HPBW[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data HPBW[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "HPBW", arymax, HPBW ) ; // for ( int i = 0 ; i < arymax ; i++ ) { if ( readHeader( EFFA[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data EFFA[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "EFFA", arymax, EFFA ) ; // for ( int i = 0 ; i < arymax ; i++ ) { if ( readHeader( EFFB[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data EFFB[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "EFFB", arymax, EFFB ) ; // for ( int i = 0 ; i < arymax ; i++ ) { if ( readHeader( EFFL[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data EFFL[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "EFFL", arymax, EFFL ) ; // for ( int i = 0 ; i < arymax ; i++ ) { if ( readHeader( EFSS[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data EFSS[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "EFSS", arymax, EFSS ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( GAIN[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data GAIN[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "GAIN", arymax, GAIN ) ; // for ( int i = 0 ; i < arymax ; i++) { HORN[i].resize(4); if ( readHeader( STRING2CHAR(HORN[i]), 4 ) == -1 ) { os << LogIO::WARN << "Error while reading data HORN[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "HORN", arymax, HORN ) ; // for ( int i = 0 ; i < arymax ; i++) { POLTP[i].resize(4); if ( readHeader( STRING2CHAR(POLTP[i]), 4 ) == -1 ) { os << LogIO::WARN << "Error while reading data POLTP[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "POLTP", arymax, POLTP ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( POLDR[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data POLDR[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "POLDR", arymax, POLDR ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( POLAN[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data POLAN[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "POLAN", arymax, POLAN ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( DFRQ[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data DFRQ[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "DFRQ", arymax, DFRQ ) ; // for ( int i = 0 ; i < arymax ; i++) { SIDBD[i].resize(4); if ( readHeader( STRING2CHAR(SIDBD[i]), 4 ) == -1 ) { os << LogIO::WARN << "Error while reading data SIDBD[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "SIDBD", arymax, SIDBD ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( REFN[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data REFN[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "REFN", arymax, REFN ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( IPINT[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data IPINT[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "IPINT", arymax, IPINT ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( MULTN[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data MULTN[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "MULTN", arymax, MULTN ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( MLTSCF[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data MLTSCF[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "MLTSCF", arymax, MLTSCF ) ; // for ( int i = 0 ; i < arymax ; i++) { LAGWIND[i].resize(8); if ( readHeader( STRING2CHAR(LAGWIND[i]), 8 ) == -1 ) { os << LogIO::WARN << "Error while reading data LAGWIND[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "LAGWIND", arymax, LAGWIND ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( BEBW[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data BEBW[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "BEBW", arymax, BEBW ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( BERES[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data BERES[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "BERES", arymax, BERES ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( CHWID[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data CHWID[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "CHWID", arymax, CHWID ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( ARRY[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data ARRY[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "ARRY", arymax, ARRY ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( NFCAL[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data NFCAL[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "NFCAL", arymax, NFCAL ) ; // for ( int i = 0 ; i < arymax ; i++) { if ( readHeader( F0CAL[i], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data F0CAL[" << i << "]." << LogIO::POST ; return -1 ; } } // DEBUG // nro_debug_output( "F0CAL", arymax, F0CAL ) ; // for ( int i = 0 ; i < arymax ; i++) { for ( int j = 0 ; j < 10 ; j++ ) { if ( readHeader( FQCAL[i][j], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data FQCAL[" << i << "][" << j << "]." << LogIO::POST ; return -1 ; } } } // DEBUG // nro_debug_output( "FQCAL", arymax, 10, FQCAL ) ; // for ( int i = 0 ; i < arymax ; i++) { for ( int j = 0 ; j < 10 ; j++ ) { if ( readHeader( CHCAL[i][j], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data CHCAL[" << i << "][" << j << "]." << LogIO::POST ; return -1 ; } } } // DEBUG // nro_debug_output( "CHCAL", arymax, 10, CHCAL ) ; // for ( int i = 0 ; i < arymax ; i++) { for ( int j = 0 ; j < 10 ; j++ ) { if ( readHeader( CWCAL[i][j], sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data CWCAL[" << i << "][" << j << "]." << LogIO::POST ; return -1 ; } } } // DEBUG // nro_debug_output( "CWCAL", arymax, 10, CWCAL ) ; // if ( readHeader( SCNLEN, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data SCNLEN." << LogIO::POST ; return -1 ; } // DEBUG //cout << "SCNLEN = " << SCNLEN << endl ; // if ( readHeader( SBIND, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data SBIND." << LogIO::POST ; return -1 ; } // DEBUG //cout << "SBIND = " << SBIND << endl ; // if ( readHeader( IBIT, sameEndian ) == -1 ) { os << LogIO::WARN << "Error while reading data IBIT." << LogIO::POST ; return -1 ; } // DEBUG //cout << "IBIT = " << IBIT << endl ; // SITE.resize(8); if ( readHeader( STRING2CHAR(SITE), 8 ) == -1 ) { os << LogIO::WARN << "Error while reading data SITE." << LogIO::POST ; return -1 ; } // DEBUG //cout << "SITE = " << SITE << endl ; // //scanNum_ = NSCAN + 1 ; // includes ZERO scan scanLen_ = SCNLEN ; dataLen_ = scanLen_ - SCAN_HEADER_SIZE ; scanNum_ = getScanNum(); rowNum_ = scanNum_ * ARYNM ; chmax_ = (int) ( dataLen_ * 8 / IBIT ) ; record_->LDATA = new char[dataLen_] ; return 0 ; } void NRODataset::convertEndian( int &value ) { char volatile *first = reinterpret_cast( &value ) ; char volatile *last = first + sizeof( int ) ; std::reverse( first, last ) ; } void NRODataset::convertEndian( float &value ) { char volatile *first = reinterpret_cast( &value ) ; char volatile *last = first + sizeof( float ) ; std::reverse( first, last ) ; } void NRODataset::convertEndian( double &value ) { char volatile *first = reinterpret_cast( &value ) ; char volatile *last = first + sizeof( double ) ; std::reverse( first, last ) ; } int NRODataset::readHeader( char *v, int size ) { if ( (int)( fread( v, 1, size, fp_ ) ) != size ) { return -1 ; } return 0 ; } int NRODataset::readHeader( int &v, int b ) { if ( fread( &v, 1, sizeof(int), fp_ ) != sizeof(int) ) { return -1 ; } if ( b == 0 ) convertEndian( v ) ; return 0 ; } int NRODataset::readHeader( float &v, int b ) { if ( fread( &v, 1, sizeof(float), fp_ ) != sizeof(float) ) { return -1 ; } if ( b == 0 ) convertEndian( v ) ; return 0 ; } int NRODataset::readHeader( double &v, int b ) { if ( fread( &v, 1, sizeof(double), fp_ ) != sizeof(double) ) { return -1 ; } if ( b == 0 ) convertEndian( v ) ; return 0 ; } void NRODataset::convertEndian( NRODataRecord &r ) { convertEndian( r.ISCAN ) ; convertEndian( r.DSCX ) ; convertEndian( r.DSCY ) ; convertEndian( r.SCX ) ; convertEndian( r.SCY ) ; convertEndian( r.PAZ ) ; convertEndian( r.PEL ) ; convertEndian( r.RAZ ) ; convertEndian( r.REL ) ; convertEndian( r.XX ) ; convertEndian( r.YY ) ; convertEndian( r.TEMP ) ; convertEndian( r.PATM ) ; convertEndian( r.PH2O ) ; convertEndian( r.VWIND ) ; convertEndian( r.DWIND ) ; convertEndian( r.TAU ) ; convertEndian( r.TSYS ) ; convertEndian( r.BATM ) ; convertEndian( r.LINE ) ; for ( int i = 0 ; i < 4 ; i++ ) convertEndian( r.IDMY1[i] ) ; convertEndian( r.VRAD ) ; convertEndian( r.FREQ0 ) ; convertEndian( r.FQTRK ) ; convertEndian( r.FQIF1 ) ; convertEndian( r.ALCV ) ; for ( int i = 0 ; i < 2 ; i++ ) for ( int j = 0 ; j < 2 ; j++ ) convertEndian( r.OFFCD[i][j] ) ; convertEndian( r.IDMY0 ) ; convertEndian( r.IDMY2 ) ; convertEndian( r.DPFRQ ) ; convertEndian( r.SFCTR ) ; convertEndian( r.ADOFF ) ; } void NRODataset::releaseRecord() { if ( !record_.null() ) { record_ = NULL ; } dataid_ = -1 ; } // Get specified scan NRODataRecord *NRODataset::getRecord( int i ) { // DEBUG //cout << "NRODataset::getRecord() Start " <= rowNum_ ) { LogIO os( LogOrigin( "NRODataset", "getRecord()", WHERE ) ) ; //cerr << "NRODataset::getRecord() data index out of range." << endl ; os << LogIO::SEVERE << "data index " << i << " out of range. return NULL." << LogIO::POST ; return NULL ; } if ( i == dataid_ ) { return &(*record_) ; } // DEBUG //cout << "NRODataset::getData() Get new dataset" << endl ; // // read data int status = fillRecord( i ) ; if ( status == 0 ) { dataid_ = i ; } else { LogIO os( LogOrigin( "NRODataset", "getRecord()", WHERE ) ) ; //cerr << "NRODataset::getRecord() error while reading data " << i << endl ; os << LogIO::SEVERE << "error while reading data " << i << ". return NULL." << LogIO::EXCEPTION ; dataid_ = -1 ; return NULL ; } return &(*record_) ; } int NRODataset::fillRecord( int i ) { int status = 0 ; status = open() ; if ( status != 0 ) return status ; // fill NRODataset long offset = (long)getDataSize() + (long)scanLen_ * (long)i ; // DEBUG //cout << "NRODataset::fillRecord() offset (header) = " << offset << endl ; //cout << "NRODataset::fillRecord() sizeof(NRODataRecord) = " << sizeof( NRODataRecord ) << " byte" << endl ; fseek( fp_, offset, SEEK_SET ) ; if ( (int)fread( &(*record_), 1, SCAN_HEADER_SIZE, fp_ ) != SCAN_HEADER_SIZE ) { //cerr << "Failed to read scan header: " << i << endl ; LogIO os( LogOrigin( "NRODataset", "fillRecord()", WHERE ) ) ; os << LogIO::SEVERE << "Failed to read scan header for " <LDATA), 1, dataLen_, fp_ ) != dataLen_ ) { //cerr << "Failed to read spectral data: " << i << endl ; LogIO os( LogOrigin( "NRODataset", "fillRecord()", WHERE ) ) ; os << LogIO::SEVERE << "Failed to read spectral data for " < rad) record_->DWIND = record_->DWIND * M_PI / 180.0 ; return status ; } // open int NRODataset::open() { int status = 0 ; if ( fp_ == NULL ) { if ( (fp_ = fopen( filename_.c_str(), "rb" )) == NULL ) status = -1 ; else status = 0 ; } return status ; } // close void NRODataset::close() { // DEBUG //cout << "NRODataset::close() close file" << endl ; // if ( fp_ != NULL ) fclose( fp_ ) ; fp_ = NULL ; } // get spectrum vector< vector > NRODataset::getSpectrum() { vector< vector > spec(rowNum_); for ( int i = 0 ; i < rowNum_ ; i++ ) { spec[i] = getSpectrum( i ) ; } return spec ; } vector NRODataset::getSpectrum( int i ) { // DEBUG //cout << "NRODataset::getSpectrum() start process (" <getNCH() after binding const int nchan = NUMCH ; vector spec( chmax_ ) ; // spectrum "before" binding // DEBUG //cout << "NRODataset::getSpectrum() nchan = " << nchan << " chmax_ = " << chmax_ << endl ; // const NRODataRecord *record = getRecord( i ) ; const int bit = IBIT ; // fixed to 12 bit double scale = record->SFCTR ; // DEBUG //cout << "NRODataset::getSpectrum() scale = " << scale << endl ; // double offset = record->ADOFF ; // DEBUG //cout << "NRODataset::getSpectrum() offset = " << offset << endl ; // if ( ( scale == 0.0 ) && ( offset == 0.0 ) ) { //cerr << "NRODataset::getSpectrum() zero spectrum (" << i << ")" << endl ; LogIO os( LogOrigin("NRODataset","getSpectrum",WHERE) ) ; os << LogIO::WARN << "zero spectrum for row " << i << LogIO::POST ; if ( spec.size() != (unsigned int)nchan ) spec.resize( nchan ) ; for ( vector::iterator i = spec.begin() ; i != spec.end() ; i++ ) *i = 0.0 ; return spec ; } unsigned char *cdata = (unsigned char *)&(*record->LDATA) ; vector mscale = MLTSCF ; double dscale = mscale[getIndex( i )] ; // char -> int -> double vector::iterator iter = spec.begin() ; static const int shift_right[] = { 4, 0 }; static const int start_pos[] = { 0, 1 }; static const int incr[] = { 0, 3 }; int j = 0 ; for ( int i = 0 ; i < chmax_ ; i++ ) { // char -> int int ivalue = 0 ; if ( bit == 12 ) { // 12 bit qunatization const int ialt = i & 1 ; const int idx = j + start_pos[ialt]; const unsigned tmp = unsigned(cdata[idx]) << 8 | cdata[idx + 1]; ivalue = int((tmp >> shift_right[ialt]) & 0xFFF); j += incr[ialt]; } if ( ( ivalue < 0 ) || ( ivalue > 4096 ) ) { //cerr << "NRODataset::getSpectrum() ispec[" << i << "] is out of range" << endl ; LogIO os( LogOrigin( "NRODataset", "getSpectrum", WHERE ) ) ; os << LogIO::SEVERE << "ivalue for row " << i << " is out of range" << LogIO::EXCEPTION ; if ( spec.size() != (unsigned int)nchan ) spec.resize( nchan ) ; for ( vector::iterator i = spec.begin() ; i != spec.end() ; i++ ) *i = 0.0 ; return spec ; } // DEBUG //cout << "NRODataset::getSpectrum() ispec[" < double *iter = (double)( ivalue * scale + offset ) * dscale ; // DEBUG //cout << "NRODataset::getSpectrum() spec[" << i << "] = " << *iter << endl ; // iter++ ; } // DEBUG //cout << "NRODataset::getSpectrum() end process" << endl ; // return spec ; } int NRODataset::getIndex( int irow ) { // DEBUG //cout << "NRODataset::getIndex() start" << endl ; // const NRODataRecord *record = getRecord( irow ) ; const string str = record->ARRYT ; // DEBUG //cout << "NRODataset::getIndex() str = " << str << endl ; // int index = (int)getArrayId(str); // DEBUG //cout << "NRODataset::getIndex() irow = " << irow << "str = " << str << " index = " << index << endl ; // // DEBUG //cout << "NRODataset::getIndex() end" << endl ; // return index ; } int NRODataset::getPolarizationNum() { // DEBUG //cout << "NRODataset::getPolarizationNum() start process" << endl ; // int npol = 1; Regex reRx2("(.*V|H20ch2)$"); Regex reRx1("(.*H|H20ch1)$"); Bool match1 = false; Bool match2 = false; for (int i = 0; i < arrayMax(); i++) { //cout << "RX[" << i << "]=\"" << RX[i] << "\"" << endl; String rxString(RX[i]); //cout << "rxString = \"" << rxString << "\" rxString.size() = " << rxString.size() << endl; // RX may contain some null characters at the end // Remove it for pattern matching rxString.rtrim('\0'); //cout << "rxString (rtrim) = \"" << rxString << "\" rxString.size() = " << rxString.size() << endl; // Also remove whitespaces rxString.trim(); //cout << "rxString (trim) = \"" << rxString << "\" rxString.size() = " << rxString.size() << endl; if (!match1) { match1 = (reRx1.match(rxString.c_str(), rxString.size()) != String::npos); } if (!match2) { match2 = (reRx2.match(rxString.c_str(), rxString.size()) != String::npos); } } if (match1 && match2) npol = 2; //cout << "npol = " << npol << endl; // DEBUG //cout << "NRODataset::getPolarizationNum() end process" << endl ; // return npol ; } vector NRODataset::getStartIntTime() { vector times ; for ( int i = 0 ; i < rowNum_ ; i++ ) { times.push_back( getStartIntTime( i ) ) ; } return times ; } double NRODataset::getStartIntTime( int i ) { const NRODataRecord *record = getRecord( i ) ; const char *t = record->LAVST ; return getMJD( t ) ; } double NRODataset::getMJD( const char *time ) { // TODO: should be checked which time zone the time depends on // 2008/11/14 Takeshi Nakazato string strStartTime( time ) ; string strYear = strStartTime.substr( 0, 4 ) ; string strMonth = strStartTime.substr( 4, 2 ) ; string strDay = strStartTime.substr( 6, 2 ) ; string strHour = strStartTime.substr( 8, 2 ) ; string strMinute = strStartTime.substr( 10, 2 ) ; string strSecond = strStartTime.substr( 12, strStartTime.size() - 12 ) ; unsigned int year = atoi( strYear.c_str() ) ; unsigned int month = atoi( strMonth.c_str() ) ; unsigned int day = atoi( strDay.c_str() ) ; unsigned int hour = atoi( strHour.c_str() ) ; unsigned int minute = atoi( strMinute.c_str() ) ; double second = atof( strSecond.c_str() ) ; Time t( year, month, day, hour, minute, second ) ; return t.modifiedJulianDay() ; } double NRODataset::getScanTime( int i ) { double startTime = getStartIntTime( i ) ; double interval = getIPTIM() / 86400.0 ; // [sec]->[day] return startTime+0.5*interval ; } vector NRODataset::getIFs() { vector v ; vector< vector > fref ; vector< vector > chcal = CHCAL ; vector f0cal = F0CAL ; vector beres = BERES ; for ( int i = 0 ; i < rowNum_ ; i++ ) { vector f( 4, 0 ) ; uInt index = getIndex( i ) ; f[0] = chcal[index][0] ; f[1] = f0cal[index] ; f[2] = beres[index] ; if ( f[0] != 0. ) { f[1] = f[1] - f[0] * f[2] ; } const NRODataRecord *record = getRecord( i ) ; f[3] = record->FREQ0 ; if ( v.size() == 0 ) { v.push_back( True ) ; fref.push_back( f ) ; } else { bool b = true ; int fsize = fref.size() ; for ( int j = 0 ; j < fsize ; j++ ) { if ( fref[j][1] == f[1] && fref[j][2] == f[2] && fref[j][3] == f[3] ) { b = false ; } } if ( b ) { v.push_back( True ) ; fref.push_back( f ) ; } } } // DEBUG //cout << "NRODataset::getIFs() number of IF is " << v.size() << endl ; // return v ; } vector NRODataset::getFrequencies( int i ) { // return value // v[0] reference channel // v[1] reference frequency // v[2] frequency increment vector v( 3, 0.0 ) ; const NRODataRecord *record = getRecord( i ) ; string arryt = string( record->ARRYT ) ; uInt ib = getArrayId( arryt ) ; string rxname = getRX()[0] ; string key = arryt ; if ( rxname.find("MULT2") != string::npos ) key = "BEARS" ; if ( frec_.isDefined( key ) ) { // frequency for the array is already calculated Vector f = frec_.asArrayDouble( key ) ; Double *f_p = f.data() ; for ( int i = 0 ; i < 3 ; i++ ) v[i] = (double)(f_p[i]) ; return v ; } //int ia = -1 ; bool isAOS = false ; //cout << "NRODataset::getFrequencies() record->ARRYT=" << record->ARRYT << endl ; //cout << "NRODataset::getFrequencies() ib = " << ib << endl ; if ( arryt[0] == 'W' || arryt[0] == 'U' || arryt[0] == 'H' ) isAOS = true ; Bool isUSB ; if ( record->FQIF1 > 0 ) isUSB = True ; // USB else isUSB = False ; // LSB int ivdef = -1 ; if ( (getVDEF()).compare( 0, 3, "RAD" ) == 0 ) ivdef = 0 ; else if ( (getVDEF()).compare( 0, 3, "OPT" ) == 0 ) ivdef = 1 ; // DEBUG //cout << "NRODataset::getFrequencies() ivdef = " << ivdef << endl ; // double vel = getURVEL() + record->VRAD ; double cvel = 2.99792458e8 ; // speed of light [m/s] double fq0 = record->FREQ0 ; //double fq0 = record->FQTRK ; int ncal = getNFCAL()[ib] ; double cw = 0.0 ; vector fqcal = getFQCAL()[ib] ; vector chcal = getCHCAL()[ib] ; double f0cal = getF0CAL()[ib] ; //cout << "FREQ0=" << fq0 << " F0CAL=" << f0cal << endl; Vector freqs( ncal, fq0-f0cal ) ; double factor = vel / cvel ; if ( ivdef == 0 ) factor = 1.0 / ( 1.0 - factor ) ; for ( int ii = 0 ; ii < ncal ; ii++ ) { //double freqs_org = freqs[ii]; freqs[ii] += fqcal[ii] ; if (isNewstarFormat()) { if ( ivdef == 0 ) { freqs[ii] = freqs[ii] * factor + record->FQTRK * ( 1.0 - factor ) ; } else if ( ivdef == 1 ) { freqs[ii] = freqs[ii] * ( 1.0 + factor ) - record->FQTRK * factor ; } } //ofstream ofs("freqs.txt",ios::out|ios::app) ; //ofs << setprecision(16) ; //ofs <ARRYT << " " << chcal[ii] << " " << freqs[ii] << " " << record->ISCAN << " " << fqcal[ii] << " " << f0cal << " " << record->FQTRK << " " << vel << endl ; //ofs.close() ; // cout << setprecision(16) ; // cout << "LOOP " << ii << " ARRAY ID=" << record->ARRYT << " CHCAL=" << chcal[ii] << " FREQS(ORG)=" << freqs_org << " FREQS=" << freqs[ii] << " ISCAN=" << record->ISCAN << " FQCAL=" << fqcal[ii] << " F0CAL=" << f0cal << " FQTRK=" << record->FQTRK << " VEL=" << vel << endl ; } if ( isAOS ) { // regridding while ( ncal < (int)chcal.size() ) { chcal.pop_back() ; } Vector xin( chcal ) ; Vector yin( freqs ) ; int nchan = getNUMCH() ; Vector xout( nchan ) ; indgen( xout ) ; Vector yout ; InterpolateArray1D::interpolate( yout, xout, xin, yin, InterpolateArray1D::cubic ) ; Double bw = abs( yout[nchan-1] - yout[0] ) ; bw += 0.5 * abs( yout[nchan-1] - yout[nchan-2] + yout[1] - yout[0] ) ; Double dz = bw / (Double) nchan ; if ( yout[0] > yout[1] ) dz = - dz ; v[0] = 0 ; v[1] = yout[0] ; v[2] = dz ; } else { double nchcal = static_cast(chcal[1] - chcal[0]); //cout << "nchcal = " << nchcal << endl; double bw = freqs[1] - freqs[0]; //cout << "bw = " << bw << " (effective bw " << bw * (nchcal + 1.0) / nchcal << ")"<< endl; cw = bw / nchcal; //cout << "cw = " << cw << endl; if ( isUSB ) { // channel frequency inversion cw *= -1.0 ; Double tmp = freqs[1] ; freqs[1] = freqs[0] ; freqs[0] = tmp ; } v[0] = chcal[0] - 1 ; // 0-base v[1] = freqs[0] ; v[2] = cw ; } if ( refFreq_[ib] == 0.0 ) refFreq_[ib] = v[1] ; // register frequency setting to Record Vector f( v ) ; frec_.define( key, f ) ; //cout << "refpix " << v[0] << " refval " << v[1] << " increment " << v[2] << endl; return v ; } uInt NRODataset::getArrayId( string type ) { string sbeamno = type.substr( 1, type.size()-1 ) ; uInt ib = atoi( sbeamno.c_str() ) - 1 ; return ib ; } uInt NRODataset::getSortedArrayId( string type ) { uInt index = 0; while (arrayNames_[index] != type && index < (uInt)ARYNM) ++index; return index; } void NRODataset::show() { LogIO os( LogOrigin( "NRODataset", "show()", WHERE ) ) ; os << LogIO::NORMAL << "------------------------------------------------------------" << endl ; os << LogIO::NORMAL << "Number of scan = " << scanNum_ << endl ; os << LogIO::NORMAL << "Number of data record = " << rowNum_ << endl ; os << LogIO::NORMAL << "Length of data record = " << scanLen_ << " bytes" << endl ; os << LogIO::NORMAL << "Allocated memory for spectral data = " << dataLen_ << " bytes" << endl ; os << LogIO::NORMAL << "Max number of channel = " << chmax_ << endl ; os << LogIO::NORMAL << "------------------------------------------------------------" << endl ; os.post() ; } double NRODataset::toLSR( double v, double t, double x, double y ) { double vlsr ; // get epoch double tcent = t + 0.5*getIPTIM()/86400.0 ; MEpoch me( Quantity( tcent, "d" ), MEpoch::UTC ) ; // get antenna position MPosition mp ; if ( SITE.find( "45" ) != string::npos ) { // 45m telescope Double posx = -3.8710235e6 ; Double posy = 3.4281068e6 ; Double posz = 3.7240395e6 ; mp = MPosition( MVPosition( posx, posy, posz ), MPosition::ITRF ) ; } else { // ASTE Vector pos( 2 ) ; pos[0] = -67.7031 ; pos[1] = -22.9717 ; Double sitealt = 4800.0 ; mp = MPosition( MVPosition( Quantity( sitealt, "m" ), Quantum< Vector >( pos, "deg" ) ), MPosition::WGS84 ) ; } // get direction MDirection md ; if ( SCNCD == 0 ) { // RADEC if ( EPOCH == "B1950" ) { md = MDirection( Quantity( Double(x), "rad" ), Quantity( Double(y), "rad" ), MDirection::B1950 ) ; } else { md = MDirection( Quantity( Double(x), "rad" ), Quantity( Double(y), "rad" ), MDirection::J2000 ) ; } } else if ( SCNCD == 1 ) { // LB md = MDirection( Quantity( Double(x), "rad" ), Quantity( Double(y), "rad" ), MDirection::GALACTIC ) ; } else { // AZEL md = MDirection( Quantity( Double(x), "rad" ), Quantity( Double(y), "rad" ), MDirection::AZEL ) ; } // to LSR MeasFrame mf( me, mp, md ) ; MFrequency::Convert tolsr( MFrequency::TOPO, MFrequency::Ref( MFrequency::LSRK, mf ) ) ; vlsr = (double)(tolsr( Double(v) ).get( "Hz" ).getValue()) ; return vlsr ; } uInt NRODataset::getPolNo( int i ) { int idx = getIndex( i ) ; // cout << "HORN[" << idx << "]=" << HORN[idx] // << ", RX[" << idx << "]=" << RX[idx] << endl ; return polNoFromRX( RX[idx] ) ; } uInt NRODataset::polNoFromRX( const string &rx ) { uInt polno = 0 ; // 2013/01/23 TN // In NRO 45m telescope, naming convension for dual-polarization // receiver is as follows: // // xxxH for horizontal component, // xxxV for vertical component. // // Exception is H20ch1/ch2. // Here, POLNO is assigned as follows: // // POLNO=0: xxxH or H20ch1 // 1: xxxV or H20ch2 // // For others, POLNO is always 0. String rxString(rx); //cout << "rx='" << rxString << "' (size " << rxString.length() << ")" << endl; // see getPolarizationNum for detail why we need to trim rxString.rtrim('\0'); rxString.trim(); Regex reRx("(.*V|H20ch2)$"); if (reRx.match(rxString.c_str(), rxString.length()) != String::npos) { //cout << "match!" << endl; polno = 1; } //cout << "polno = " << polno << endl; return polno ; } void NRODataset::initArray() { if (ARYNM <= 0) throw AipsError("ARYNM must be greater than zero."); int numArray = 0; arrayNames_.resize(ARYNM); for (int irow = 0; numArray < ARYNM && irow < rowNum_; irow++) { //cout << "irow " << irow << endl; const NRODataRecord *record = getRecord( irow ) ; const string str = record->ARRYT ; if (find(arrayNames_.begin(), arrayNames_.end(), str) == arrayNames_.end()) { arrayNames_[numArray] = str; //cout << "arrayNames_[" << numArray << "]=" << str << endl; ++numArray; } } //cout << "numArray=" << numArray << endl; } int NRODataset::getScanNum() { long offset = (long)getDataSize() + (long)scanLen_ * (long)NSCAN * (long)ARYNM ; fseek( fp_, offset, SEEK_SET ) ; // try to read data fgetc( fp_ ) ; int eof = feof( fp_ ) ; //cout << "eof=" << eof << endl; // reset file pointer fseek( fp_, 0, SEEK_SET ) ; return NSCAN + (eof > 0 ? 0 : 1) ; }