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LSST Data Management Base Package
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setCoaddEdgeBits.cc
Go to the documentation of this file.
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
30#include <cstdint>
31
32#include "boost/format.hpp"
33
34#include "lsst/pex/exceptions.h"
36
37namespace pexExcept = lsst::pex::exceptions;
38namespace afwImage = lsst::afw::image;
40
41template<typename WeightPixelT>
43 // spell out lsst:afw::image to make Doxygen happy
46) {
48 typedef typename afwImage::Image<WeightPixelT>::const_x_iterator WeightMapConstXIter;
49
50 if (coaddMask.getDimensions() != weightMap.getDimensions()) {
51 throw LSST_EXCEPT(pexExcept::InvalidParameterError,
52 (boost::format("coaddMask and weightMap dimensions differ: %dx%d != %dx%d") %
53 coaddMask.getWidth() % coaddMask.getHeight() % weightMap.getWidth() % weightMap.getHeight()
54 ).str());
55 }
56
58
59 // Set the pixels row by row, to avoid repeated checks for end-of-row
60 for (int y = 0, endY = weightMap.getHeight(); y != endY; ++y) {
61 WeightMapConstXIter weightMapPtr = weightMap.row_begin(y);
62 WeightMapConstXIter const weightMapEndPtr = weightMap.row_end(y);
63 MaskXIter coaddMaskPtr = coaddMask.row_begin(y);
64 for (; weightMapPtr != weightMapEndPtr; ++weightMapPtr, ++coaddMaskPtr) {
65 if (*weightMapPtr == 0) {
66 (*coaddMaskPtr) = (*coaddMaskPtr) | edgeMask;
67 }
68 }
69 }
70}
71
72//
73// Explicit instantiations
74//
76#define INSTANTIATE(WEIGHTPIXEL) \
77 template void coaddUtils::setCoaddEdgeBits<WEIGHTPIXEL>( \
78 afwImage::Mask<afwImage::MaskPixel> &coaddMask, \
79 afwImage::Image<WEIGHTPIXEL> const &weightMap \
80 );
81
82INSTANTIATE(double);
83INSTANTIATE(float);
84INSTANTIATE(int);
#define INSTANTIATE(FROMSYS, TOSYS)
Definition Detector.cc:509
#define LSST_EXCEPT(type,...)
Create an exception with a given type.
Definition Exception.h:48
int getWidth() const
Return the number of columns in the image.
Definition ImageBase.h:294
lsst::geom::Extent2I getDimensions() const
Return the image's size; useful for passing to constructors.
Definition ImageBase.h:356
int getHeight() const
Return the number of rows in the image.
Definition ImageBase.h:296
x_iterator row_begin(int y) const
Return an x_iterator to the start of the y'th row.
Definition ImageBase.h:401
x_iterator row_end(int y) const
Return an x_iterator to the end of the y'th row.
Definition ImageBase.h:404
A class to represent a 2-dimensional array of pixels.
Definition Image.h:51
Represent a 2-dimensional array of bitmask pixels.
Definition Mask.h:82
std::int32_t MaskPixel
default type for Masks and MaskedImage Masks
void setCoaddEdgeBits(lsst::afw::image::Mask< lsst::afw::image::MaskPixel > &coaddMask, lsst::afw::image::Image< WeightPixelT > const &weightMap)
set edge bits of coadd mask based on weight map