source: branches/alma/src/MathUtils.h@ 2753

Last change on this file since 2753 was 1757, checked in by Kana Sugimoto, 14 years ago

New Development: Yes

JIRA Issue: Yes (CAS-2211)

Ready for Test: Yes

Interface Changes: Yes

What Interface Changed: ASAP 3.0.0 interface changes

Test Programs:

Put in Release Notes: Yes

Module(s): all the CASA sd tools and tasks are affected.

Description: Merged ATNF-ASAP 3.0.0 developments to CASA (alma) branch.

Note you also need to update casa/code/atnf.


  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 3.8 KB
RevLine 
[37]1//#---------------------------------------------------------------------------
2//# MathUtilities.h: General math operations
3//#---------------------------------------------------------------------------
4//# Copyright (C) 2004
[125]5//# ATNF
[37]6//#
7//# This program is free software; you can redistribute it and/or modify it
8//# under the terms of the GNU General Public License as published by the Free
9//# Software Foundation; either version 2 of the License, or (at your option)
10//# any later version.
11//#
12//# This program is distributed in the hope that it will be useful, but
13//# WITHOUT ANY WARRANTY; without even the implied warranty of
14//# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
15//# Public License for more details.
16//#
17//# You should have received a copy of the GNU General Public License along
18//# with this program; if not, write to the Free Software Foundation, Inc.,
19//# 675 Massachusetts Ave, Cambridge, MA 02139, USA.
20//#
21//# Correspondence concerning this software should be addressed as follows:
22//# Internet email: Malte.Marquarding@csiro.au
23//# Postal address: Malte Marquarding,
24//# Australia Telescope National Facility,
25//# P.O. Box 76,
26//# Epping, NSW, 2121,
27//# AUSTRALIA
28//#
[1033]29//# $Id: MathUtils.h 1757 2010-06-09 09:03:06Z KanaSugimoto $
[37]30//#---------------------------------------------------------------------------
[125]31#ifndef MATHUTILS_H
32#define MATHUTILS_H
[37]33
[465]34#include <string>
35#include <vector>
[81]36#include <casa/aips.h>
37#include <casa/Arrays/Vector.h>
[465]38#include <casa/BasicSL/String.h>
[1514]39#include <casa/Arrays/IPosition.h>
[37]40
[125]41namespace mathutil {
42
[176]43// Hanning smoothing
[861]44/**
45 * Hanning smooth a masked vector
46 * @param out the smoothed vector
47 * @param outmask the smoothed mask
48 * @param in the input vector
49 * @param mask the input mask
50 * @param relaxed a weighting scheme
51 * @param ignoreOther drop every second channel (NYI)
52 */
[1757]53void hanning(casa::Vector<casa::Float>& out,
[1325]54 casa::Vector<casa::Bool>& outmask,
[1757]55 const casa::Vector<casa::Float>& in,
[1325]56 const casa::Vector<casa::Bool>& mask,
[1033]57 casa::Bool relaxed=casa::False,
58 casa::Bool ignoreOther=casa::False);
[37]59
[1373]60/**
61 * Apply a running median to a masked vector.
[1757]62 * Edge solution: The first and last hwidth channels will be replicated
[1373]63 * from the first/last value from a full window.
64 * @param out the smoothed vector
65 * @param outmask the smoothed mask
66 * @param in the input vector
67 * @param mask the input mask
68 * @param hwidth half-width of the smoothing window
69 */
[1757]70 void runningMedian(casa::Vector<casa::Float>& out,
71 casa::Vector<casa::Bool>& outflag,
72 const casa::Vector<casa::Float>& in,
73 const casa::Vector<casa::Bool>& flag,
74 float hwidth);
75
76 void polyfit(casa::Vector<casa::Float>& out,
[1373]77 casa::Vector<casa::Bool>& outmask,
[1757]78 const casa::Vector<casa::Float>& in,
[1373]79 const casa::Vector<casa::Bool>& mask,
[1757]80 float hwidth, int order);
[1373]81
[176]82// Generate specified statistic
[829]83float statistics(const casa::String& which,
[1033]84 const casa::MaskedArray<casa::Float>& data);
[176]85
[1514]86// Return a position of min or max value
87 casa::IPosition minMaxPos(const casa::String& which,
88 const casa::MaskedArray<casa::Float>& data);
89
[176]90// Replace masked value by zero
[829]91void replaceMaskByZero(casa::Vector<casa::Float>& data,
[1033]92 const casa::Vector<casa::Bool>& mask);
[452]93
[861]94/**
[1603]95 * Convert casa implementations to stl
96 * @param in casa string
97 * @return a std vector of std strings
[861]98 */
[465]99std::vector<std::string> tovectorstring(const casa::Vector<casa::String>& in);
[452]100
[861]101/**
[1603]102 * convert stl implementations to casa versions
[861]103 * @param in
104 * @return
105 */
[465]106casa::Vector<casa::String> toVectorString(const std::vector<std::string>& in);
107
[1030]108}
[125]109
[37]110#endif
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