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NNGridder.h
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1 //# NNGridder.h: Definition for Nearest Neighbour Gridder
2 //# Copyright (C) 1996,1997,1999
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 //#
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26 //#
27 //# $Id$
28 
29 #ifndef SCIMATH_NNGRIDDER_H
30 #define SCIMATH_NNGRIDDER_H
31 
32 #include <casacore/casa/aips.h>
34 
35 namespace casacore { //# NAMESPACE CASACORE - BEGIN
36 
37 // <summary>
38 // A non-negative gridding class
39 // </summary>
40 
41 template <class Domain, class Range>
42 class NNGridder : public Gridder<Domain, Range>
43 {
44 public:
46  const Vector<Domain>& offset);
47 
48  virtual ~NNGridder() {}
49 
50  virtual Bool grid(Array<Range>& gridded,
51  const Vector<Domain>& position,
52  const Range& value);
53 
54  virtual Bool degrid(const Array<Range>& gridded,
55  const Vector<Domain>& position,
56  Range& value);
57 
58 protected:
59  virtual Range correctionFactor1D(Int loc, Int len);
60 
62 
63 protected:
64  //# Make members of parent classes known.
69 };
70 
71 } //# NAMESPACE CASACORE - END
72 
73 #ifndef CASACORE_NO_AUTO_TEMPLATES
74 #include <casacore/scimath/Mathematics/NNGridder.tcc>
75 #endif //# CASACORE_NO_AUTO_TEMPLATES
76 #endif
A Vector of integers, for indexing into Array&lt;T&gt; objects.
Definition: IPosition.h:119
int Int
Definition: aipstype.h:50
virtual Bool grid(Array< Range > &gridded, const Vector< Domain > &position, const Range &value)
virtual ~NNGridder()
Definition: NNGridder.h:48
Vector< Domain > scale
Definition: Gridder.h:94
virtual Range correctionFactor1D(Int loc, Int len)
Correction factor for 1 dimension.
A base class for gridding.
Definition: Gridder.h:46
A non-negative gridding class.
Definition: NNGridder.h:42
Vector< Domain > & position(Vector< Domain > &gpos, const Vector< Domain > &pos)
virtual Bool degrid(const Array< Range > &gridded, const Vector< Domain > &position, Range &value)
Vector< Domain > offset
Definition: Gridder.h:95
bool Bool
Define the standard types used by Casacore.
Definition: aipstype.h:42
NNGridder(const IPosition &shape, const Vector< Domain > &scale, const Vector< Domain > &offset)
template &lt;class T, class U&gt; class vector;
Definition: MSFlagger.h:37
IPosition shape
Definition: Gridder.h:92
Vector< Int > loc
Definition: NNGridder.h:61
LatticeExprNode value(const LatticeExprNode &expr)
This function returns the value of the expression without a mask.
#define casacore
&lt;X11/Intrinsic.h&gt; #defines true, false, casacore::Bool, and String.
Definition: X11Intrinsic.h:42