1 | //#--------------------------------------------------------------------------- |
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2 | //# PKSFITSreader.h: Class to read Parkes Multibeam data from a FITS file. |
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3 | //#--------------------------------------------------------------------------- |
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4 | //# Copyright (C) 2000-2008 |
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5 | //# Associated Universities, Inc. Washington DC, USA. |
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6 | //# |
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7 | //# This library is free software; you can redistribute it and/or modify it |
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8 | //# under the terms of the GNU Library General Public License as published by |
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9 | //# the Free Software Foundation; either version 2 of the License, or (at your |
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10 | //# option) any later version. |
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11 | //# |
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12 | //# This library is distributed in the hope that it will be useful, but WITHOUT |
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13 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
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15 | //# License for more details. |
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16 | //# |
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17 | //# You should have received a copy of the GNU Library General Public License |
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18 | //# along with this library; if not, write to the Free Software Foundation, |
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19 | //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA. |
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20 | //# |
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21 | //# Correspondence concerning AIPS++ should be addressed as follows: |
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22 | //# Internet email: aips2-request@nrao.edu. |
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23 | //# Postal address: AIPS++ Project Office |
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24 | //# National Radio Astronomy Observatory |
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25 | //# 520 Edgemont Road |
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26 | //# Charlottesville, VA 22903-2475 USA |
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27 | //# |
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28 | //# $Id: PKSFITSreader.h,v 19.17 2008-11-17 06:38:05 cal103 Exp $ |
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29 | //#--------------------------------------------------------------------------- |
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30 | //# This class is basically a wrapper class for reading data from either an |
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31 | //# MBFITS (single dish variant of RPFITS) or SDFITS file using the relevant |
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32 | //# lower-level classes. It translates AIPS++isms to/from basic C++. |
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33 | //# |
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34 | //# Original: 2000/08/02, Mark Calabretta, ATNF |
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35 | //#--------------------------------------------------------------------------- |
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36 | |
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37 | #ifndef ATNF_PKSFITSREADER_H |
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38 | #define ATNF_PKSFITSREADER_H |
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39 | |
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40 | #include <atnf/PKSIO/FITSreader.h> |
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41 | #include <atnf/PKSIO/PKSrecord.h> |
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42 | #include <atnf/PKSIO/PKSreader.h> |
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43 | |
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44 | #include <casa/aips.h> |
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45 | #include <casa/stdio.h> |
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46 | #include <casa/Arrays/Vector.h> |
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47 | #include <casa/Arrays/Matrix.h> |
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48 | #include <casa/BasicSL/Complex.h> |
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49 | #include <casa/BasicSL/String.h> |
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50 | |
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51 | #include <casa/namespace.h> |
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52 | |
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53 | // <summary> |
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54 | // Class to read Parkes Multibeam data from a FITS file. |
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55 | // </summary> |
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56 | |
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57 | class PKSFITSreader : public PKSreader |
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58 | { |
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59 | public: |
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60 | // Default constructor. |
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61 | PKSFITSreader( |
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62 | const String fitsType, |
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63 | const Int retry = 0, |
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64 | const Bool interpolate = True); |
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65 | |
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66 | // Destructor. |
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67 | virtual ~PKSFITSreader(); |
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68 | |
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69 | // Set message disposition. |
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70 | virtual Int setMsg( |
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71 | FILE *fd = 0x0); |
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72 | |
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73 | // Open the FITS file for reading. |
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74 | virtual Int open( |
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75 | const String fitsName, |
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76 | Vector<Bool> &beams, |
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77 | Vector<Bool> &IFs, |
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78 | Vector<uInt> &nChan, |
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79 | Vector<uInt> &nPol, |
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80 | Vector<Bool> &haveXPol, |
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81 | Bool &haveBase, |
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82 | Bool &haveSpectra); |
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83 | |
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84 | // Get parameters describing the data. |
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85 | virtual Int getHeader( |
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86 | String &observer, |
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87 | String &project, |
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88 | String &antName, |
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89 | Vector<Double> &antPosition, |
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90 | String &obsType, |
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91 | String &bunit, |
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92 | Float &equinox, |
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93 | String &dopplerFrame, |
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94 | Double &mjd, |
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95 | Double &refFreq, |
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96 | Double &bandwidth); |
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97 | |
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98 | // Get frequency parameters for each IF. |
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99 | virtual Int getFreqInfo( |
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100 | Vector<Double> &startFreq, |
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101 | Vector<Double> &endFreq); |
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102 | |
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103 | // Set data selection criteria. Channel numbering is 1-relative, zero or |
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104 | // negative channel numbers are taken to be offsets from the last channel. |
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105 | virtual uInt select( |
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106 | const Vector<Bool> beamSel, |
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107 | const Vector<Bool> IFsel, |
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108 | const Vector<Int> startChan, |
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109 | const Vector<Int> endChan, |
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110 | const Vector<Int> refChan, |
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111 | const Bool getSpectra = True, |
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112 | const Bool getXPol = False, |
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113 | const Int coordSys = 0); |
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114 | |
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115 | // Find the range of the data selected in time and position. |
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116 | virtual Int findRange( |
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117 | Int &nRow, |
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118 | Int &nSel, |
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119 | Vector<Double> &timeSpan, |
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120 | Matrix<Double> &positions); |
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121 | |
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122 | // Read the next data record. |
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123 | virtual Int read(PKSrecord &pksrec); |
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124 | |
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125 | // Close the FITS file. |
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126 | virtual void close(); |
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127 | |
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128 | private: |
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129 | Int *cBeams, *cIFs; |
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130 | uInt cNBeam, cNIF; |
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131 | MBrecord cMBrec; |
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132 | FITSreader *cReader; |
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133 | |
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134 | Char* trim(char *string); |
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135 | }; |
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136 | |
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137 | #endif |
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