00001 //# MSPointingIndex: index into a MeasurementSet POINTING subtable 00002 //# Copyright (C) 2000,2002 00003 //# Associated Universities, Inc. Washington DC, USA. 00004 //# 00005 //# This library is free software; you can redistribute it and/or modify it 00006 //# under the terms of the GNU Library General Public License as published by 00007 //# the Free Software Foundation; either version 2 of the License, or (at your 00008 //# option) any later version. 00009 //# 00010 //# This library is distributed in the hope that it will be useful, but WITHOUT 00011 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public 00013 //# License for more details. 00014 //# 00015 //# You should have received a copy of the GNU Library General Public License 00016 //# along with this library; if not, write to the Free Software Foundation, 00017 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA. 00018 //# 00019 //# Correspondence concerning AIPS++ should be addressed as follows: 00020 //# Internet email: aips2-request@nrao.edu. 00021 //# Postal address: AIPS++ Project Office 00022 //# National Radio Astronomy Observatory 00023 //# 520 Edgemont Road 00024 //# Charlottesville, VA 22903-2475 USA 00025 //# 00026 //# 00027 //# $Id$ 00028 00029 #ifndef MS_MSPOINTINGINDEX_H 00030 #define MS_MSPOINTINGINDEX_H 00031 00032 #include <casacore/casa/aips.h> 00033 #include <casacore/ms/MSSel/MSTableIndex.h> 00034 00035 #include <casacore/casa/Containers/RecordField.h> 00036 00037 namespace casacore { //# NAMESPACE CASACORE - BEGIN 00038 00039 //# forward declarations 00040 class MSPointing; 00041 00042 // <summary> 00043 // </summary> 00044 00045 // <use visibility=export> 00046 00047 // <reviewed reviewer="" date="yyyy/mm/dd" tests="" demos=""> 00048 // </reviewed> 00049 00050 // <prerequisite> 00051 // <li> MeasurementSet 00052 // <li> MSTableIndex 00053 // </prerequisite> 00054 // 00055 // <etymology> 00056 // </etymology> 00057 // 00058 // <synopsis> 00059 // </synopsis> 00060 // 00061 // <example> 00062 // </example> 00063 // 00064 // <motivation> 00065 // </motivation> 00066 // 00067 // <thrown> 00068 // <li> 00069 // <li> 00070 // </thrown> 00071 // 00072 00073 class MSPointingIndex : public MSTableIndex 00074 { 00075 public: 00076 // no index attached, use the attach function or assignment operator to change that 00077 MSPointingIndex(); 00078 00079 // construct one using the indicated POINTING table 00080 MSPointingIndex(const MSPointing &pointing); 00081 00082 // construct one from another 00083 MSPointingIndex(const MSPointingIndex &other); 00084 00085 virtual ~MSPointingIndex(); 00086 00087 MSPointingIndex &operator=(const MSPointingIndex &other); 00088 00089 void attach(const MSPointing &pointing); 00090 00091 // access to the antenna ID key, throws an exception if isNull() is False 00092 Int &antennaId() {return *antennaId_p;} 00093 private: 00094 RecordFieldPtr<Int> antennaId_p; 00095 00096 void attachIds(); 00097 }; 00098 00099 00100 } //# NAMESPACE CASACORE - END 00101 00102 #endif 00103