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Data level threshold for certain 16-level products
This commit is contained in:
Dan Paulat
parent
0511867c6b
commit
2dcd87700c
2 changed files with 42 additions and 57 deletions
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@ -40,6 +40,7 @@ public:
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uint16_t generation_date_of_product() const;
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uint32_t generation_time_of_product() const;
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uint16_t elevation_number() const;
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uint16_t data_level_threshold(size_t i) const;
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uint8_t version() const;
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uint8_t spot_blank() const;
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uint32_t offset_to_symbology() const;
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@ -85,21 +85,19 @@ public:
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generationDateOfProduct_ {0},
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generationTimeOfProduct_ {0},
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elevationNumber_ {0},
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halfword31_ {0},
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halfword32_ {0},
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halfword33_ {0},
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halfword34_ {0},
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halfword35_ {0},
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version_ {0},
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spotBlank_ {0},
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offsetToSymbology_ {0},
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offsetToGraphic_ {0},
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offsetToTabular_ {0},
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parameters_ {0}
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parameters_ {0},
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halfwords_ {0}
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{
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}
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~ProductDescriptionBlockImpl() = default;
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uint16_t halfword(size_t i);
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int16_t blockDivider_;
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int32_t latitudeOfRadar_;
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int32_t longitudeOfRadar_;
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@ -117,15 +115,6 @@ public:
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uint16_t elevationNumber_;
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// 30: Product dependent parameter 3 (Table V)
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// 31-46: Product dependent (Note 1)
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uint16_t halfword31_;
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uint16_t halfword32_;
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uint16_t halfword33_;
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uint16_t halfword34_;
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uint16_t halfword35_;
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uint16_t halfword36_;
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uint16_t halfword37_;
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uint16_t halfword38_;
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// Halfwords 39-46 are unused
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// 47-53: Product dependent parameters 4-10 (Table V, Note 3)
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uint8_t version_;
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uint8_t spotBlank_;
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@ -134,8 +123,15 @@ public:
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uint32_t offsetToTabular_;
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std::array<uint16_t, 10> parameters_;
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std::array<uint16_t, 16> halfwords_;
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};
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uint16_t ProductDescriptionBlockImpl::halfword(size_t i)
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{
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// Halfwords start at halfword 31
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return halfwords_[i - 31];
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}
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ProductDescriptionBlock::ProductDescriptionBlock() :
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p(std::make_unique<ProductDescriptionBlockImpl>())
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{
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@ -217,6 +213,11 @@ uint16_t ProductDescriptionBlock::elevation_number() const
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return p->elevationNumber_;
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}
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uint16_t ProductDescriptionBlock::data_level_threshold(size_t i) const
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{
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return p->halfwords_[i];
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}
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uint8_t ProductDescriptionBlock::version() const
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{
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return p->version_;
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@ -321,7 +322,7 @@ uint16_t ProductDescriptionBlock::threshold() const
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break;
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case 138:
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threshold = p->halfword31_;
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threshold = p->halfword(31);
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break;
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case 155:
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@ -343,7 +344,7 @@ uint16_t ProductDescriptionBlock::threshold() const
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case 174:
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case 175:
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case 176:
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threshold = p->halfword37_;
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threshold = p->halfword(37);
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break;
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}
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@ -369,15 +370,15 @@ float ProductDescriptionBlock::offset() const
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case 186:
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case 193:
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case 195:
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offset = static_cast<int16_t>(p->halfword31_) * 0.1f;
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offset = static_cast<int16_t>(p->halfword(31)) * 0.1f;
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break;
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case 134:
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offset = util::DecodeFloat16(p->halfword32_);
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offset = util::DecodeFloat16(p->halfword(32));
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break;
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case 135:
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offset = static_cast<int16_t>(p->halfword33_);
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offset = static_cast<int16_t>(p->halfword(33));
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break;
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case 159:
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@ -391,7 +392,7 @@ float ProductDescriptionBlock::offset() const
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case 174:
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case 175:
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case 176:
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offset = util::DecodeFloat32(p->halfword33_, p->halfword34_);
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offset = util::DecodeFloat32(p->halfword(33), p->halfword(34));
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break;
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}
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@ -416,23 +417,23 @@ float ProductDescriptionBlock::scale() const
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case 186:
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case 193:
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case 195:
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scale = p->halfword32_ * 0.1f;
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scale = p->halfword(32) * 0.1f;
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break;
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case 81:
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scale = p->halfword32_ * 0.001f;
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scale = p->halfword(32) * 0.001f;
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break;
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case 134:
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scale = util::DecodeFloat16(p->halfword31_);
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scale = util::DecodeFloat16(p->halfword(31));
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break;
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case 135:
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scale = p->halfword32_;
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scale = p->halfword(32);
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break;
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case 138:
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scale = p->halfword32_ * 0.01f;
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scale = p->halfword(32) * 0.01f;
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break;
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case 159:
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@ -446,7 +447,7 @@ float ProductDescriptionBlock::scale() const
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case 174:
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case 175:
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case 176:
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scale = util::DecodeFloat32(p->halfword31_, p->halfword32_);
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scale = util::DecodeFloat32(p->halfword(31), p->halfword(32));
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break;
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}
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@ -511,7 +512,7 @@ uint16_t ProductDescriptionBlock::number_of_levels() const
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case 186:
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case 193:
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case 195:
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numberOfLevels = p->halfword33_;
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numberOfLevels = p->halfword(33);
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break;
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case 113:
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@ -535,7 +536,7 @@ uint16_t ProductDescriptionBlock::number_of_levels() const
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break;
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case 138:
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numberOfLevels = p->halfword33_;
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numberOfLevels = p->halfword(33);
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break;
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case 159:
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@ -549,7 +550,7 @@ uint16_t ProductDescriptionBlock::number_of_levels() const
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case 174:
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case 175:
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case 176:
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numberOfLevels = p->halfword36_;
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numberOfLevels = p->halfword(36);
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break;
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case 178:
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@ -568,7 +569,7 @@ float ProductDescriptionBlock::log_offset() const
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switch (p->productCode_)
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{
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case 134:
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logOffset = util ::DecodeFloat16(p->halfword35_);
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logOffset = util ::DecodeFloat16(p->halfword(35));
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break;
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}
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@ -582,7 +583,7 @@ float ProductDescriptionBlock::log_scale() const
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switch (p->productCode_)
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{
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case 134:
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logScale = util ::DecodeFloat16(p->halfword34_);
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logScale = util ::DecodeFloat16(p->halfword(34));
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break;
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}
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@ -628,23 +629,13 @@ bool ProductDescriptionBlock::Parse(std::istream& is)
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is.read(reinterpret_cast<char*>(&p->parameters_[0]), 2 * 2); // 27-28
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is.read(reinterpret_cast<char*>(&p->elevationNumber_), 2); // 29
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is.read(reinterpret_cast<char*>(&p->parameters_[2]), 2); // 30
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is.read(reinterpret_cast<char*>(&p->halfword31_), 2); // 31
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is.read(reinterpret_cast<char*>(&p->halfword32_), 2); // 32
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is.read(reinterpret_cast<char*>(&p->halfword33_), 2); // 33
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is.read(reinterpret_cast<char*>(&p->halfword34_), 2); // 34
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is.read(reinterpret_cast<char*>(&p->halfword35_), 2); // 35
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is.read(reinterpret_cast<char*>(&p->halfword36_), 2); // 36
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is.read(reinterpret_cast<char*>(&p->halfword37_), 2); // 37
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is.read(reinterpret_cast<char*>(&p->halfword38_), 2); // 38
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is.seekg(8 * 2, std::ios_base::cur); // 39-46
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is.read(reinterpret_cast<char*>(&p->parameters_[3]), 7 * 2); // 47-53
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is.read(reinterpret_cast<char*>(&p->version_), 1); // 54
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is.read(reinterpret_cast<char*>(&p->spotBlank_), 1); // 54
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is.read(reinterpret_cast<char*>(&p->offsetToSymbology_), 4); // 55-56
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is.read(reinterpret_cast<char*>(&p->offsetToGraphic_), 4); // 57-58
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is.read(reinterpret_cast<char*>(&p->offsetToTabular_), 4); // 59-60
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is.read(reinterpret_cast<char*>(&p->halfwords_[0]), 16 * 2); // 31-46
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is.read(reinterpret_cast<char*>(&p->parameters_[3]), 7 * 2); // 47-53
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is.read(reinterpret_cast<char*>(&p->version_), 1); // 54
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is.read(reinterpret_cast<char*>(&p->spotBlank_), 1); // 54
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is.read(reinterpret_cast<char*>(&p->offsetToSymbology_), 4); // 55-56
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is.read(reinterpret_cast<char*>(&p->offsetToGraphic_), 4); // 57-58
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is.read(reinterpret_cast<char*>(&p->offsetToTabular_), 4); // 59-60
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p->blockDivider_ = ntohs(p->blockDivider_);
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p->latitudeOfRadar_ = ntohl(p->latitudeOfRadar_);
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@ -660,19 +651,12 @@ bool ProductDescriptionBlock::Parse(std::istream& is)
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p->generationDateOfProduct_ = ntohs(p->generationDateOfProduct_);
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p->generationTimeOfProduct_ = ntohl(p->generationTimeOfProduct_);
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p->elevationNumber_ = ntohs(p->elevationNumber_);
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p->halfword31_ = ntohs(p->halfword31_);
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p->halfword32_ = ntohs(p->halfword32_);
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p->halfword33_ = ntohs(p->halfword33_);
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p->halfword34_ = ntohs(p->halfword34_);
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p->halfword35_ = ntohs(p->halfword35_);
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p->halfword36_ = ntohs(p->halfword36_);
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p->halfword37_ = ntohs(p->halfword37_);
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p->halfword38_ = ntohs(p->halfword38_);
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p->offsetToSymbology_ = ntohl(p->offsetToSymbology_);
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p->offsetToGraphic_ = ntohl(p->offsetToGraphic_);
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p->offsetToTabular_ = ntohl(p->offsetToTabular_);
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SwapArray(p->parameters_);
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SwapArray(p->halfwords_);
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if (is.eof())
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{
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