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MCuvw.h
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1//# MCuvw.h: Muvw conversion routines
2//# Copyright (C) 1998-2000,2002,2004,2007
3//# Associated Universities, Inc. Washington DC, USA.
4//#
5//# This library is free software; you can redistribute it and/or modify it
6//# under the terms of the GNU Library General Public License as published by
7//# the Free Software Foundation; either version 2 of the License, or (at your
8//# option) any later version.
9//#
10//# This library is distributed in the hope that it will be useful, but WITHOUT
11//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
13//# License for more details.
14//#
15//# You should have received a copy of the GNU Library General Public License
16//# along with this library; if not, write to the Free Software Foundation,
17//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
18//#
19//# Correspondence concerning AIPS++ should be addressed as follows:
20//# Internet email: aips2-request@nrao.edu.
21//# Postal address: AIPS++ Project Office
22//# National Radio Astronomy Observatory
23//# 520 Edgemont Road
24//# Charlottesville, VA 22903-2475 USA
25//#
26//#
27//# $Id$
28
29#ifndef MEASURES_MCUVW_H
30#define MEASURES_MCUVW_H
31
32//# Includes
33#include <casacore/casa/aips.h>
34#include <casacore/measures/Measures/Muvw.h>
35#include <casacore/measures/Measures/MeasBase.h>
36#include <casacore/measures/Measures/MeasRef.h>
37#include <casacore/measures/Measures/MCBase.h>
38#include <casacore/measures/Measures/MConvertBase.h>
39#include <casacore/measures/Measures/MeasMath.h>
40#include <casacore/casa/Arrays/ArrayFwd.h>
41#include <casacore/casa/Quanta/MVDirection.h>
42
43#include <mutex>
44
45namespace casacore { //# NAMESPACE CASACORE - BEGIN
46
47//# Forward Declarations
48class MCuvw;
49class String;
50
51//# Typedefs
52
53// <summary> Muvw conversion routines </summary>
54
55// <use visibility=local>
56
57// <reviewed reviewer="UNKNOWN" date="before2004/08/25" tests="tMuvw" demos="">
58// </reviewed>
59
60// <prerequisite>
61// <li> <linkto class=Measure>Measure</linkto> class
62// <li> <linkto class=MCBase>MCBase</linkto> base class
63// <li> <linkto class=MConvertBase>overall conversion</linkto> class
64// </prerequisite>
65//
66// <etymology>
67// Measure, Convert and uvw
68// </etymology>
69//
70// <synopsis>
71// Contains state machinery and caching for actual conversions
72// </synopsis>
73//
74// <example>
75// See <linkto module=Measures>Measures</linkto> module description for
76// conversion examples.
77// </example>
78//
79// <motivation>
80// </motivation>
81//
82// <todo asof="1998/04/21">
83// <li> Cater for EW baselines
84// </todo>
85
86class MCuvw : public MCBase {
87
88public:
89
90 //# Friends
91 // Conversion of data
92 friend class MeasConvert<Muvw>;
93
94 //# Constructors
95 // Default constructor
97
98 //# Destructor
100
101 //# Member functions
102 // Show the state of the conversion engine (mainly for debugging purposes)
104
105private:
106 //# Enumerations
107 // The list of actual routines provided.
108 // <note role=warning> Each <src>AA_BB</src> in the list points to routine
109 // that can be used in the FromTo list in the getConvert routine.
110 // In addition the type to which each is converted should be in the
111 // ToRef array, again in the proper order. </note>
163
164 //# Typedefs
165
166 //# Operators
167
168 //# General Member Functions
169
170 //# Enumerations
171
172 //# Cached Data
173 // Calculation class
175 // Belonging direction
177
178 //# State machine data
179 // Transition list
181 // Transition matrix
183 // Object to ensure safe multi-threaded lazy single initialization
184 static std::once_flag theirInitOnceFlag;
185
186 //# Constructors
187 // Copy constructor (not implemented)
188 MCuvw(const MCuvw &other);
189 // Assignment (not implemented)
190 MCuvw &operator=(const MCuvw &other);
191
192 //# Member functions
193
194 // Create conversion function pointer
195 virtual void getConvert(MConvertBase &mc,
196 const MRBase &inref,
197 const MRBase &outref);
198
199 // Create help structures for Measure conversion routines
200 virtual void initConvert(uInt which, MConvertBase &mc);
201
202 // Delete the pointers used in the MeasConvert help structure cache
203 virtual void clearConvert();
204
205 // Routines to convert uvws from one reference frame to another
206 virtual void doConvert(MeasValue &in,
207 MRBase &inref,
208 MRBase &outref,
209 const MConvertBase &mc);
210 // Conversion routine to cater for inheritance question
211 void doConvert(MVuvw &in,
212 MRBase &inref,
213 MRBase &outref,
214 const MConvertBase &mc);
215 // Get the correct belonging direction from the frame
216 // <group>
217 void getAPP();
218 void getJ2000();
219 void getB1950();
220 // </group>
221 // Rotate from direction to pole
223 // Rotate from pole to direction
225
226private:
227 // Fill the global state. Called using theirInitOnce.
228 static void doFillState();
229};
230
231
232} //# NAMESPACE CASACORE - END
233
234#endif
235
static void doFillState()
Fill the global state.
void toPole(MVPosition &in)
Rotate from direction to pole.
MCuvw(const MCuvw &other)
Copy constructor (not implemented)
virtual void getConvert(MConvertBase &mc, const MRBase &inref, const MRBase &outref)
Create conversion function pointer.
Routes
The list of actual routines provided.
Definition MCuvw.h:112
@ AZELGEO_AZELSWGEO
Definition MCuvw.h:142
@ AZELSWGEO_AZELGEO
Definition MCuvw.h:144
static std::once_flag theirInitOnceFlag
Object to ensure safe multi-threaded lazy single initialization.
Definition MCuvw.h:184
MCuvw & operator=(const MCuvw &other)
Assignment (not implemented)
static uInt FromTo_p[Muvw::N_Types][Muvw::N_Types]
Transition matrix.
Definition MCuvw.h:182
void getAPP()
Get the correct belonging direction from the frame.
void doConvert(MVuvw &in, MRBase &inref, MRBase &outref, const MConvertBase &mc)
Conversion routine to cater for inheritance question.
void fromPole(MVPosition &in)
Rotate from pole to direction.
virtual void clearConvert()
Delete the pointers used in the MeasConvert help structure cache.
virtual void doConvert(MeasValue &in, MRBase &inref, MRBase &outref, const MConvertBase &mc)
Routines to convert uvws from one reference frame to another.
virtual void initConvert(uInt which, MConvertBase &mc)
Create help structures for Measure conversion routines.
MeasMath measMath
Calculation class.
Definition MCuvw.h:174
MVDirection MVDIR1
Belonging direction.
Definition MCuvw.h:176
MCuvw()
Default constructor.
static uInt ToRef_p[N_Routes][3]
Transition list.
Definition MCuvw.h:180
static String showState()
Show the state of the conversion engine (mainly for debugging purposes)
String: the storage and methods of handling collections of characters.
Definition String.h:225
this file contains all the compiler specific defines
Definition mainpage.dox:28
unsigned int uInt
Definition aipstype.h:51