Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Toolbox/BucketAccumulator2D.cpp @ 1948:d459477804bf
added SetFrame() in Stone Web viewer
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 15 Jul 2022 16:17:23 +0200 |
| parents | bd527bbc34df |
| children | 3f88c239043a |
| 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 | |
| 5 * Copyright (C) 2017-2022 Osimis S.A., Belgium | |
| 6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium | |
| 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 "BucketAccumulator2D.h" | |
| 25 | |
| 26 #include "LinearAlgebra.h" | |
| 27 | |
| 28 #include <OrthancException.h> | |
| 29 | |
| 30 | |
| 31 namespace OrthancStone | |
| 32 { | |
| 33 size_t BucketAccumulator2D::FindBestInternal() const | |
| 34 { | |
| 35 size_t best = 0; | |
| 36 | |
| 37 for (size_t i = 0; i < buckets_.size(); i++) | |
| 38 { | |
| 39 if (buckets_[i].count_ > buckets_[best].count_) | |
| 40 { | |
| 41 best = i; | |
| 42 } | |
| 43 } | |
| 44 | |
| 45 return best; | |
| 46 } | |
| 47 | |
| 48 | |
| 49 size_t BucketAccumulator2D::EncodeIndex(size_t x, | |
| 50 size_t y) const | |
| 51 { | |
| 52 if (x >= mapperX_.GetSize() || | |
| 53 y >= mapperX_.GetSize()) | |
| 54 { | |
| 55 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 56 } | |
| 57 else | |
| 58 { | |
| 59 return x + y * mapperX_.GetSize(); | |
| 60 } | |
| 61 } | |
| 62 | |
| 63 | |
| 64 void BucketAccumulator2D::DecodeIndex(size_t& x, | |
| 65 size_t& y, | |
| 66 size_t index) const | |
| 67 { | |
| 68 assert(buckets_.size() == mapperX_.GetSize() * mapperY_.GetSize()); | |
| 69 | |
| 70 if (index >= buckets_.size()) | |
| 71 { | |
| 72 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 73 } | |
| 74 else | |
| 75 { | |
| 76 x = index % mapperX_.GetSize(); | |
| 77 y = index / mapperX_.GetSize(); | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 | |
| 82 BucketAccumulator2D::BucketAccumulator2D(double minValueX, | |
| 83 double maxValueX, | |
| 84 size_t countBucketsX, | |
| 85 double minValueY, | |
| 86 double maxValueY, | |
| 87 size_t countBucketsY, | |
| 88 bool storeValues) : | |
| 89 mapperX_(minValueX, maxValueX, countBucketsX), | |
| 90 mapperY_(minValueY, maxValueY, countBucketsY), | |
| 91 buckets_(countBucketsX * countBucketsY), | |
| 92 storeValues_(storeValues) | |
| 93 { | |
| 94 } | |
| 95 | |
| 96 | |
| 97 void BucketAccumulator2D::GetSize(size_t& x, | |
| 98 size_t& y) const | |
| 99 { | |
| 100 x = mapperX_.GetSize(); | |
| 101 y = mapperY_.GetSize(); | |
| 102 } | |
| 103 | |
| 104 | |
| 105 size_t BucketAccumulator2D::GetBucketContentSize(size_t x, | |
| 106 size_t y) const | |
| 107 { | |
| 108 return buckets_[EncodeIndex(x, y)].count_; | |
| 109 } | |
| 110 | |
| 111 | |
| 112 void BucketAccumulator2D::GetBucketIndex(size_t& bucketX, | |
| 113 size_t& bucketY, | |
| 114 double valueX, | |
| 115 double valueY) const | |
| 116 { | |
| 117 bucketX = mapperX_.GetBucketIndex(valueX); | |
| 118 bucketY = mapperY_.GetBucketIndex(valueY); | |
| 119 } | |
| 120 | |
| 121 | |
| 122 void BucketAccumulator2D::AddValue(double valueX, | |
| 123 double valueY) | |
| 124 { | |
| 125 size_t x = mapperX_.GetBucketIndex(valueX); | |
| 126 size_t y = mapperY_.GetBucketIndex(valueY); | |
| 127 | |
| 128 Bucket& bucket = buckets_[EncodeIndex(x, y)]; | |
| 129 | |
| 130 bucket.count_++; | |
| 131 | |
| 132 if (storeValues_) | |
| 133 { | |
| 134 bucket.valuesX_.push_back(valueX); | |
| 135 bucket.valuesY_.push_back(valueY); | |
| 136 } | |
| 137 } | |
| 138 | |
| 139 | |
| 140 void BucketAccumulator2D::ComputeBestCenter(double& x, | |
| 141 double& y) const | |
| 142 { | |
| 143 size_t bucketX, bucketY; | |
| 144 FindBestBucket(bucketX, bucketY); | |
| 145 x = mapperX_.GetBucketCenter(bucketX); | |
| 146 y = mapperY_.GetBucketCenter(bucketY); | |
| 147 } | |
| 148 | |
| 149 | |
| 150 void BucketAccumulator2D::ComputeBestMedian(double& x, | |
| 151 double& y) const | |
| 152 { | |
| 153 if (!storeValues_) | |
| 154 { | |
| 155 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 156 } | |
| 157 | |
| 158 const std::list<double>& valuesX = buckets_[FindBestInternal()].valuesX_; | |
| 159 const std::list<double>& valuesY = buckets_[FindBestInternal()].valuesY_; | |
| 160 | |
| 161 std::vector<double> v; | |
| 162 v.reserve(valuesX.size()); | |
| 163 for (std::list<double>::const_iterator it = valuesX.begin(); it != valuesX.end(); ++it) | |
| 164 { | |
| 165 v.push_back(*it); | |
| 166 } | |
| 167 | |
| 168 x = LinearAlgebra::ComputeMedian(v); | |
| 169 | |
| 170 v.clear(); | |
| 171 v.reserve(valuesY.size()); | |
| 172 for (std::list<double>::const_iterator it = valuesY.begin(); it != valuesY.end(); ++it) | |
| 173 { | |
| 174 v.push_back(*it); | |
| 175 } | |
| 176 | |
| 177 y = LinearAlgebra::ComputeMedian(v); | |
| 178 } | |
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179 |
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180 |
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181 void BucketAccumulator2D::Print(FILE* fp) const |
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182 { |
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183 fprintf(fp, " "); |
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184 |
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185 for (size_t x = 0; x < mapperX_.GetSize(); x++) |
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186 { |
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187 fprintf(fp, "%7.2f ", mapperX_.GetBucketCenter(x)); |
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188 } |
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189 |
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190 fprintf(fp, "\n"); |
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191 |
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192 for (size_t y = 0; y < mapperY_.GetSize(); y++) |
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193 { |
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194 fprintf(fp, "%7.2f: ", mapperY_.GetBucketCenter(y)); |
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195 |
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196 for (size_t x = 0; x < mapperX_.GetSize(); x++) |
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197 { |
| 1916 | 198 fprintf(fp, "%7ld ", GetBucketContentSize(x, y)); |
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199 } |
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200 |
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201 fprintf(fp, "\n"); |
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202 } |
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203 } |
| 1891 | 204 } |