casa6
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static DDMapper * getMapper ( casacore::String &desc,const casacore::Vector<casacore::String> &expr,casacore::Bool throw_excp=false );//# DDMapper.h: this defines DDMapper//# Copyright (C) 2000,2001//# 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//#//# $Id$namespace casa { //# NAMESPACE CASA - BEGIN// <summary>// Abstract Derived casacore::Data Mapper class// </summary>// <use visibility=local>// <reviewed reviewer="" date="" tests="" demos="">// </reviewed>// <synopsis>// The DDMapper class defines an interface for mapping complex visibilities// into casacore::Float derived values. DDMappers are used by several flagging// agents.// </synopsis>//// <motivation>// A lot of algorithms are expressed in terms of some real value// derived from a set of visibilities (i.e., |XX|, |XX|-|YY|, etc.). The// DDMapper hierarchy provides a uniform interface for deriving such values.// </motivation>//// <todo asof="2001/04/16">// <li> add this feature// </todo>class DDMapper