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ConvolveGridder.h
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1//# ConvolveGridder.h: Definition for Convolutional Gridder
2//# Copyright (C) 1996,1997,1999,2003
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 SCIMATH_CONVOLVEGRIDDER_H
30#define SCIMATH_CONVOLVEGRIDDER_H
31
32#include <casacore/casa/aips.h>
33#include <casacore/scimath/Mathematics/Gridder.h>
34#include <casacore/casa/BasicSL/String.h>
35
36namespace casacore { //# NAMESPACE CASACORE - BEGIN
37
38// <summary>
39// Does convolutional gridding
40// </summary>
41
42template <class Domain, class Range>
43class ConvolveGridder : public Gridder<Domain, Range>
44{
45public:
46
48 const Vector<Domain>& offset, const String& convType="SF");
49
50 virtual void setConvolutionFunction(const String& type);
51
52 virtual ~ConvolveGridder() {}
53
54 virtual Bool grid(Array<Range>& gridded,
56 const Range& value);
57
58 virtual Bool degrid(const Array<Range>& gridded,
60 Range& value);
61
63
65
67
68protected:
69 virtual Range correctionFactor1D(Int loc, Int len);
70
71private:
78
79public:
80 using Gridder<Domain,Range>::onGrid;
81protected:
82 //# Make members of parent classes known.
83 using Gridder<Domain,Range>::ndim;
84 using Gridder<Domain,Range>::shape;
85 using Gridder<Domain,Range>::scale;
86 using Gridder<Domain,Range>::offset;
87 using Gridder<Domain,Range>::posVec;
88 using Gridder<Domain,Range>::locVec;
89 using Gridder<Domain,Range>::shapeVec;
90 using Gridder<Domain,Range>::zeroShapeVec;
91 using Gridder<Domain,Range>::offsetVec;
92 using Gridder<Domain,Range>::centerVec;
93 using Gridder<Domain,Range>::fillCorrectionVectors;
94};
95
96} //# NAMESPACE CASACORE - END
97
98#ifndef CASACORE_NO_AUTO_TEMPLATES
99#include <casacore/scimath/Mathematics/ConvolveGridder.tcc>
100#endif //# CASACORE_NO_AUTO_TEMPLATES
101#endif
ConvolveGridder(const IPosition &shape, const Vector< Domain > &scale, const Vector< Domain > &offset, const String &convType="SF")
virtual Range correctionFactor1D(Int loc, Int len)
Correction factor for 1 dimension.
Vector< Int > & cSupport()
virtual Bool degrid(const Array< Range > &gridded, const Vector< Domain > &position, Range &value)
Vector< Double > & cFunction()
virtual Bool grid(Array< Range > &gridded, const Vector< Domain > &position, const Range &value)
virtual void setConvolutionFunction(const String &type)
Vector< Int > centerVec
Definition Gridder.h:103
Vector< Domain > scale
Definition Gridder.h:94
virtual Bool onGrid(const Vector< Int > &loc)
Vector< Domain > posVec
Definition Gridder.h:97
virtual void fillCorrectionVectors()
Vector< Int > locVec
Definition Gridder.h:99
IPosition shape
Definition Gridder.h:92
Vector< Int > zeroShapeVec
Definition Gridder.h:101
Vector< Domain > offset
Definition Gridder.h:95
Vector< Domain > & position(Vector< Domain > &gpos, const Vector< Domain > &pos)
Vector< Int > shapeVec
Definition Gridder.h:100
Vector< Int > offsetVec
Definition Gridder.h:102
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
int Int
Definition aipstype.h:50
bool Bool
Define the standard types used by Casacore.
Definition aipstype.h:42
LatticeExprNode value(const LatticeExprNode &expr)
This function returns the value of the expression without a mask.