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LCPixelSet.h
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1 //# LCPixelSet.h: Class to define a rectangular set of pixels as a region
2 //# Copyright (C) 1998,1999
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 //# $Id$
27 
28 #ifndef LATTICES_LCPIXELSET_H
29 #define LATTICES_LCPIXELSET_H
30 
31 //# Includes
32 #include <casacore/casa/aips.h>
35 
36 
37 namespace casacore { //# NAMESPACE CASACORE - BEGIN
38 
39 // <summary>
40 // Class to define a rectangular mask as a region
41 // </summary>
42 
43 // <use visibility=export>
44 
45 // <reviewed reviewer="" date="" tests="">
46 // </reviewed>
47 
48 // <prerequisite>
49 // <li> <linkto class=LCRegion>LCRegion</linkto>
50 // </prerequisite>
51 
52 // <synopsis>
53 // The LCPixelSet class is a specialization of class
54 // <linkto class=LCRegion>LCRegion</linkto>.
55 // It makes it possible to define a rectangular region of interest.
56 // </synopsis>
57 
58 // <example>
59 // <srcblock>
60 // </srcblock>
61 // </example>
62 
63 // <todo asof="1997/11/11">
64 // </todo>
65 
67 {
68 public:
69  LCPixelSet();
70 
71  // Construct from the box defining the position of the mask.
72  // The shape of the region and mask must be the same.
73  LCPixelSet (const Array<Bool>& mask, const LCBox& region);
74 
75  // Copy constructor (copy semantics).
76  LCPixelSet (const LCPixelSet& other);
77 
78  virtual ~LCPixelSet();
79 
80  // Assignment (copy semantics).
81  LCPixelSet& operator= (const LCPixelSet& other);
82 
83  // Comparison
84  virtual Bool operator== (const LCRegion& other) const;
85 
86  // Make a copy of the derived object.
87  virtual LCRegion* cloneRegion() const;
88 
89  // Get the class name (to store in the record).
90  static String className();
91 
92  // Get the region type. Returns className().
93  virtual String type() const;
94 
95  // Convert the (derived) object to a record.
96  virtual TableRecord toRecord (const String& tableName) const;
97 
98  // Convert correct object from a record.
99  static LCPixelSet* fromRecord (const TableRecord&,
100  const String& tablename);
101 
102 protected:
103  // Construct another LCPixelSet (for e.g. another lattice) by moving
104  // this one. It recalculates the bounding mask.
105  // A positive translation value indicates "to right".
106  virtual LCRegion* doTranslate (const Vector<Float>& translateVector,
107  const IPosition& newLatticeShape) const;
108 
109 private:
111 };
112 
113 
114 
115 } //# NAMESPACE CASACORE - END
116 
117 #endif
A Vector of integers, for indexing into Array&lt;T&gt; objects.
Definition: IPosition.h:119
Class to define a rectangular box of interest.
Definition: LCBox.h:67
LatticeExprNode mask(const LatticeExprNode &expr)
This function returns the mask of the given expression.
LCPixelSet & operator=(const LCPixelSet &other)
Assignment (copy semantics).
Abstract base class to define a fixed region.
Definition: LCRegionFixed.h:81
virtual LCRegion * cloneRegion() const
Make a copy of the derived object.
virtual LCRegion * doTranslate(const Vector< Float > &translateVector, const IPosition &newLatticeShape) const
Construct another LCPixelSet (for e.g.
virtual TableRecord toRecord(const String &tableName) const
Convert the (derived) object to a record.
bool Bool
Define the standard types used by Casacore.
Definition: aipstype.h:42
A hierarchical collection of named fields of various types.
Definition: TableRecord.h:182
String: the storage and methods of handling collections of characters.
Definition: String.h:223
static LCPixelSet * fromRecord(const TableRecord &, const String &tablename)
Convert correct object from a record.
virtual String type() const
Get the region type.
virtual Bool operator==(const LCRegion &other) const
Comparison.
static String className()
Get the class name (to store in the record).
Class to define a rectangular mask as a region.
Definition: LCPixelSet.h:66
Abstract base class to define a region of interest in lattice coordinates.
Definition: LCRegion.h:87
#define casacore
&lt;X11/Intrinsic.h&gt; #defines true, false, casacore::Bool, and String.
Definition: X11Intrinsic.h:42