Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Toolbox/Internals/BucketMapper.cpp @ 2114:c23eef785569
update year to 2024
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 24 Jan 2024 16:44:04 +0100 |
| parents | 07964689cb0b |
| children | 16c01cc201e7 |
| rev | line source |
|---|---|
| 1891 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
2114
c23eef785569
update year to 2024
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2077
diff
changeset
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5 * Copyright (C) 2017-2024 Osimis S.A., Belgium |
|
c23eef785569
update year to 2024
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2077
diff
changeset
|
6 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 1891 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
| 9 * modify it under the terms of the GNU Lesser General Public License | |
| 10 * as published by the Free Software Foundation, either version 3 of | |
| 11 * the License, or (at your option) any later version. | |
| 12 * | |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 * Lesser General Public License for more details. | |
| 17 * | |
| 18 * You should have received a copy of the GNU Lesser General Public | |
| 19 * License along with this program. If not, see | |
| 20 * <http://www.gnu.org/licenses/>. | |
| 21 **/ | |
| 22 | |
| 23 | |
| 24 #include "BucketMapper.h" | |
| 25 | |
| 26 #include <OrthancException.h> | |
| 27 | |
| 28 #include <cassert> | |
| 29 #include <cmath> | |
| 30 | |
| 31 | |
| 32 namespace OrthancStone | |
| 33 { | |
| 34 namespace Internals | |
| 35 { | |
| 36 BucketMapper::BucketMapper(double minValue, | |
| 37 double maxValue, | |
| 38 size_t bucketsCount) : | |
| 39 minValue_(minValue), | |
| 40 maxValue_(maxValue), | |
| 41 bucketsCount_(bucketsCount) | |
| 42 { | |
| 43 if (minValue >= maxValue || | |
| 1916 | 44 bucketsCount == 0) |
| 1891 | 45 { |
| 46 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 | |
| 51 void BucketMapper::CheckIndex(size_t i) const | |
| 52 { | |
| 53 if (i >= bucketsCount_) | |
| 54 { | |
| 55 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 | |
| 60 double BucketMapper::GetBucketLow(size_t i) const | |
| 61 { | |
| 62 CheckIndex(i); | |
| 63 double alpha = static_cast<double>(i) / static_cast<double>(bucketsCount_); | |
| 64 return (1.0 - alpha) * minValue_ + alpha * maxValue_; | |
| 65 } | |
| 66 | |
| 67 | |
| 68 double BucketMapper::GetBucketHigh(size_t i) const | |
| 69 { | |
| 70 CheckIndex(i); | |
| 71 double alpha = static_cast<double>(i + 1) / static_cast<double>(bucketsCount_); | |
| 72 return (1.0 - alpha) * minValue_ + alpha * maxValue_; | |
| 73 } | |
| 74 | |
| 75 | |
| 76 double BucketMapper::GetBucketCenter(size_t i) const | |
| 77 { | |
| 78 CheckIndex(i); | |
| 79 double alpha = (static_cast<double>(i) + 0.5) / static_cast<double>(bucketsCount_); | |
| 80 return (1.0 - alpha) * minValue_ + alpha * maxValue_; | |
| 81 } | |
| 82 | |
| 83 | |
| 84 size_t BucketMapper::GetBucketIndex(double value) const | |
| 85 { | |
| 86 if (value < minValue_ || | |
| 87 value > maxValue_) | |
| 88 { | |
| 89 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 90 } | |
| 91 else | |
| 92 { | |
| 93 double tmp = (value - minValue_) / (maxValue_ - minValue_) * static_cast<double>(bucketsCount_); | |
| 94 assert(tmp >= 0 && tmp <= static_cast<double>(bucketsCount_)); | |
| 95 | |
| 96 size_t bucket = static_cast<unsigned int>(std::floor(tmp)); | |
| 97 if (bucket == bucketsCount_) // This is the case if "value == maxValue_" | |
| 98 { | |
| 99 return bucketsCount_ - 1; | |
| 100 } | |
| 101 else | |
| 102 { | |
| 103 return bucket; | |
| 104 } | |
| 105 } | |
| 106 } | |
| 107 } | |
| 108 } |