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Last change
on this file since 2729 was 2727, checked in by Takeshi Nakazato, 12 years ago |
New Development: No
JIRA Issue: Yes CAS-4770, CAS-4774
Ready for Test: Yes
Interface Changes: No
What Interface Changed: Please list interface changes
Test Programs: List test programs
Put in Release Notes: Yes/No
Module(s): Module Names change impacts.
Description: Describe your changes here...
Updated STApplyCal to be able to specify interpolation method.
The method can be specified in time and frequency axes independently.
Possible options are nearest, linear (default), (natural) cubic spline,
and polynomial with arbitrary order.
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File size:
1.4 KB
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| 1 | //
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| 2 | // C++ Implementation: Interpolator1D
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| 3 | //
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| 4 | // Description:
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| 5 | //
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| 6 | //
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| 7 | // Author: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp>, (C) 2012
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| 8 | //
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| 9 | // Copyright: See COPYING file that comes with this distribution
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| 10 | //
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| 11 | //
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| 12 | #include <assert.h>
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| 13 |
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| 14 | #include <casa/Arrays/Vector.h>
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| 15 | #include <casa/Exceptions/Error.h>
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| 16 |
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| 17 | #include "Interpolator1D.h"
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| 18 | #include "BisectionLocator.h"
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| 19 | #include "HuntLocator.h"
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| 20 |
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| 21 | using namespace casa;
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| 22 |
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| 23 | namespace asap {
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| 24 |
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| 25 | Interpolator1D::Interpolator1D()
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| 26 | : order_(1),
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| 27 | n_(0),
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| 28 | x_(0),
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| 29 | y_(0),
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| 30 | locator_(0)
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| 31 | {
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| 32 | }
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| 33 |
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| 34 | Interpolator1D::~Interpolator1D()
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| 35 | {
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| 36 | if (locator_)
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| 37 | delete locator_;
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| 38 | }
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| 39 |
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| 40 | void Interpolator1D::setData(double *x, float *y, unsigned int n)
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| 41 | {
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| 42 | x_ = x;
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| 43 | y_ = y;
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| 44 | n_ = n;
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| 45 | createLocator();
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| 46 | locator_->set(x, n);
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| 47 | }
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| 48 |
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| 49 | void Interpolator1D::setX(double *x, unsigned int n)
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| 50 | {
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| 51 | assert(n_ == 0 || n_ == n);
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| 52 | x_ = x;
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| 53 | n_ = n;
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| 54 | createLocator();
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| 55 | locator_->set(x, n);
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| 56 | }
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| 57 |
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| 58 | void Interpolator1D::setY(float *y, unsigned int n)
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| 59 | {
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| 60 | assert(n_ == 0 || n_ == n);
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| 61 | y_ = y;
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| 62 | n_ = n;
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| 63 | }
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| 64 |
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| 65 | void Interpolator1D::reset()
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| 66 | {
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| 67 | n_ = 0;
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| 68 | x_ = 0;
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| 69 | y_ = 0;
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| 70 | if (locator_) {
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| 71 | delete locator_;
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| 72 | locator_ = 0;
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| 73 | }
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| 74 | }
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| 75 |
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| 76 | bool Interpolator1D::isready()
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| 77 | {
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| 78 | return (n_ > 0 && x_ != 0 && y_ != 0);
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| 79 | }
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| 80 |
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| 81 | int Interpolator1D::locate(double x)
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| 82 | {
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| 83 | return locator_->locate(x);
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| 84 | }
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| 85 |
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| 86 | void Interpolator1D::createLocator()
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| 87 | {
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| 88 | if (!locator_) {
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| 89 | if (n_ > 1000)
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| 90 | locator_ = new HuntLocator();
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| 91 | else
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| 92 | locator_ = new BisectionLocator();
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| 93 | }
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| 94 | }
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| 95 |
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| 96 | }
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