LSST Applications 27.0.0,g0265f82a02+469cd937ee,g02d81e74bb+21ad69e7e1,g1470d8bcf6+cbe83ee85a,g2079a07aa2+e67c6346a6,g212a7c68fe+04a9158687,g2305ad1205+94392ce272,g295015adf3+81dd352a9d,g2bbee38e9b+469cd937ee,g337abbeb29+469cd937ee,g3939d97d7f+72a9f7b576,g487adcacf7+71499e7cba,g50ff169b8f+5929b3527e,g52b1c1532d+a6fc98d2e7,g591dd9f2cf+df404f777f,g5a732f18d5+be83d3ecdb,g64a986408d+21ad69e7e1,g858d7b2824+21ad69e7e1,g8a8a8dda67+a6fc98d2e7,g99cad8db69+f62e5b0af5,g9ddcbc5298+d4bad12328,ga1e77700b3+9c366c4306,ga8c6da7877+71e4819109,gb0e22166c9+25ba2f69a1,gb6a65358fc+469cd937ee,gbb8dafda3b+69d3c0e320,gc07e1c2157+a98bf949bb,gc120e1dc64+615ec43309,gc28159a63d+469cd937ee,gcf0d15dbbd+72a9f7b576,gdaeeff99f8+a38ce5ea23,ge6526c86ff+3a7c1ac5f1,ge79ae78c31+469cd937ee,gee10cc3b42+a6fc98d2e7,gf1cff7945b+21ad69e7e1,gfbcc870c63+9a11dc8c8f
LSST Data Management Base Package
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Isr.cc
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1// -*- lsst-c++ -*-
2
3/*
4 * LSST Data Management System
5 * Copyright 2008, 2009, 2010 LSST Corporation.
6 *
7 * This product includes software developed by the
8 * LSST Project (http://www.lsst.org/).
9 *
10 * This program is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the LSST License Statement and
21 * the GNU General Public License along with this program. If not,
22 * see <http://www.lsstcorp.org/LegalNotices/>.
23 */
24
25#include <cmath>
26
27#include "lsst/geom.h"
28#include "lsst/afw/math.h"
30#include "lsst/ip/isr/isr.h"
31
32namespace lsst { namespace ip { namespace isr {
33
34template <typename PixelT>
37{
38 typedef typename afw::image::MaskedImage<PixelT>::x_iterator x_iterator;
39 size_t nPix = 0;
40 for (int y = 0; y != mi.getHeight(); ++y) {
41 for (x_iterator ptr = mi.row_begin(y), end = mi.row_end(y); ptr != end; ++ptr) {
42 if (!(ptr.mask() & allow) && (!std::isfinite(ptr.image()) ||
43 !std::isfinite(ptr.variance()))) {
44 nPix += 1;
45 ptr.mask() |= maskVal;
46 }
47 }
48 }
49 return nPix;
50}
51
52template<typename ImagePixelT>
55 std::vector<std::string> badPixelMask,
56 bool isTransposed
57) {
58 typedef afw::image::MaskedImage<ImagePixelT> MaskedImage;
59
64 const int height = overscan.getHeight();
65 const int width = overscan.getWidth();
66
67 int length = height;
68 if (isTransposed) {
69 length = width;
70 }
71
72 std::vector<double> values(length);
73
75 statControl.setAndMask(overscan.getMask()->getPlaneBitMask(badPixelMask));
76
77 const int x0 = overscan.getX0();
78 const int y0 = overscan.getY0();
79 auto origin = geom::Point2I(x0, y0);
80 geom::Extent2I shifter;
81 geom::Extent2I extents;
82 if (isTransposed) {
83 shifter = geom::Extent2I(1, 0);
84 extents = geom::Extent2I(1, height);
85 } else {
86 shifter = geom::Extent2I(0, 1);
87 extents = geom::Extent2I(width, 1);
88 }
89
90 for (int x = 0; x < length; ++x) {
91 MaskedImage mi = MaskedImage(overscan, geom::Box2I(origin, extents));
92 values[x] = afw::math::makeStatistics(mi, afw::math::MEDIAN, statControl).getValue();
93 origin.shift(shifter);
94 }
95 return values;
96}
97
98std::string between(std::string &s, char ldelim, char rdelim) {
99 std::string::iterator b(s.begin());
100 std::string::iterator e(s.end());
101 std::string::iterator lp;
102 std::string::iterator rp;
103
105
106 if((lp = std::find(b, e, ldelim)) != e)
107 if((rp = std::find(++lp, e, rdelim)) != e)
108 result = std::string(lp, rp);
109
110 return result;
111}
112
113// Explicit instantiations
114
115template
117 afw::image::MaskedImage<int> const&, std::vector<std::string> badPixelMask, bool isTransposed);
118template
120 afw::image::MaskedImage<float> const&, std::vector<std::string> badPixelMask, bool isTransposed);
121template
123 afw::image::MaskedImage<double> const&, std::vector<std::string> badPixelMask, bool isTransposed);
124
125template class CountMaskedPixels<float>;
126template class CountMaskedPixels<double>;
127template class CountMaskedPixels<int>;
128
129// Function to mask nans in a masked image
136
137}}} // namespace lsst::ip::isr
py::object result
Definition _schema.cc:429
int end
uint64_t * ptr
Definition RangeSet.cc:95
int y
Definition SpanSet.cc:48
table::Key< int > b
Ref< MaskPixelT >::type mask()
Return (a reference to) the mask part of the Pixel pointed at by the iterator.
A class to manipulate images, masks, and variance as a single object.
Definition MaskedImage.h:74
int getX0() const
Return the image's column-origin.
int getHeight() const
Return the number of rows in the image.
int getY0() const
Return the image's row-origin.
int getWidth() const
Return the number of columns in the image.
MaskPtr getMask() const
Return a (shared_ptr to) the MaskedImage's mask.
Pass parameters to a Statistics object.
Definition Statistics.h:83
double getValue(Property const prop=NOTHING) const
Return the value of the desired property (if specified in the constructor)
An integer coordinate rectangle.
Definition Box.h:55
Remove all non-astronomical counts from the Chunk Exposure's pixels.
Definition isr.h:51
T find(T... args)
T isfinite(T... args)
Statistics makeStatistics(lsst::afw::image::Image< Pixel > const &img, lsst::afw::image::Mask< image::MaskPixel > const &msk, int const flags, StatisticsControl const &sctrl=StatisticsControl())
Handle a watered-down front-end to the constructor (no variance)
Definition Statistics.h:361
@ MEDIAN
estimate sample median
Definition Statistics.h:60
Extent< int, 2 > Extent2I
Definition Extent.h:397
Point< int, 2 > Point2I
Definition Point.h:321
size_t maskNans(afw::image::MaskedImage< PixelT > const &mi, afw::image::MaskPixel maskVal, afw::image::MaskPixel allow=0)
Mask NANs in an image.
Definition Isr.cc:35
std::vector< double > fitOverscanImage(lsst::afw::image::MaskedImage< ImagePixelT > const &overscan, std::vector< std::string > badPixelMask, bool isTransposed)
Definition Isr.cc:53
template size_t maskNans< int >(afw::image::MaskedImage< int > const &, afw::image::MaskPixel, afw::image::MaskPixel)
template std::vector< double > fitOverscanImage< int >(afw::image::MaskedImage< int > const &, std::vector< std::string > badPixelMask, bool isTransposed)
template size_t maskNans< float >(afw::image::MaskedImage< float > const &, afw::image::MaskPixel, afw::image::MaskPixel)
template size_t maskNans< double >(afw::image::MaskedImage< double > const &, afw::image::MaskPixel, afw::image::MaskPixel)
template std::vector< double > fitOverscanImage< double >(afw::image::MaskedImage< double > const &, std::vector< std::string > badPixelMask, bool isTransposed)
template std::vector< double > fitOverscanImage< float >(afw::image::MaskedImage< float > const &, std::vector< std::string > badPixelMask, bool isTransposed)
std::string between(std::string &s, char ldelim, char rdelim)
Definition Isr.cc:98