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Handle negative data moment ranges for level 2 data

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This commit is contained in:
Dan Paulat 2024-01-27 16:39:49 -06:00
parent fb7f25e0bd
commit a0f43b5f3f
6 changed files with 81 additions and 75 deletions
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130
scwx-qt/source/scwx/qt/view/level2_product_view.cpp
View file

@ -522,17 +522,17 @@ void Level2ProductView::ComputeSweep()
}
// Compute threshold at which to display an individual bin (minimum of 2)
const uint16_t snrThreshold =
std::max<int16_t>(2, momentData0->snr_threshold_raw());
const std::uint16_t snrThreshold =
std::max<std::int16_t>(2, momentData0->snr_threshold_raw());
// Start radial is always 0, as coordinates are calculated for each sweep
constexpr std::uint16_t startRadial = 0u;
for (auto& radialPair : *radarData)
{
uint16_t radial = radialPair.first;
auto& radialData = radialPair.second;
auto momentData = radialData->moment_data_block(p->dataBlockType_);
std::uint16_t radial = radialPair.first;
auto& radialData = radialPair.second;
auto momentData = radialData->moment_data_block(p->dataBlockType_);
if (momentData0->data_word_size() != momentData->data_word_size())
{
@ -541,65 +541,70 @@ void Level2ProductView::ComputeSweep()
}
// Compute gate interval
const std::uint16_t dataMomentInterval =
const std::int32_t dataMomentInterval =
momentData->data_moment_range_sample_interval_raw();
const std::uint16_t dataMomentIntervalH = dataMomentInterval / 2;
const std::uint16_t dataMomentRange =
std::max(momentData->data_moment_range_raw(), dataMomentIntervalH);
const std::int32_t dataMomentIntervalH = dataMomentInterval / 2;
const std::int32_t dataMomentRange = std::max<std::int32_t>(
momentData->data_moment_range_raw(), dataMomentIntervalH);
// Compute gate size (number of base 250m gates per bin)
const uint16_t gateSizeMeters =
static_cast<uint16_t>(radarProductManager->gate_size());
const uint16_t gateSize =
std::max<uint16_t>(1, dataMomentInterval / gateSizeMeters);
const std::int32_t gateSizeMeters =
static_cast<std::int32_t>(radarProductManager->gate_size());
const std::int32_t gateSize =
std::max<std::int32_t>(1, dataMomentInterval / gateSizeMeters);
// Compute gate range [startGate, endGate)
const uint16_t startGate =
const std::int32_t startGate =
(dataMomentRange - dataMomentIntervalH) / gateSizeMeters;
const uint16_t numberOfDataMomentGates =
std::min<uint16_t>(momentData->number_of_data_moment_gates(),
static_cast<uint16_t>(gates));
const uint16_t endGate =
std::min<uint16_t>(startGate + numberOfDataMomentGates * gateSize,
common::MAX_DATA_MOMENT_GATES);
const std::int32_t numberOfDataMomentGates =
std::min<std::int32_t>(momentData->number_of_data_moment_gates(),
static_cast<std::int32_t>(gates));
const std::int32_t endGate = std::min<std::int32_t>(
startGate + numberOfDataMomentGates * gateSize,
static_cast<std::int32_t>(common::MAX_DATA_MOMENT_GATES));
const uint8_t* dataMomentsArray8 = nullptr;
const uint16_t* dataMomentsArray16 = nullptr;
const uint8_t* cfpMomentsArray = nullptr;
const std::uint8_t* dataMomentsArray8 = nullptr;
const std::uint16_t* dataMomentsArray16 = nullptr;
const std::uint8_t* cfpMomentsArray = nullptr;
if (momentData->data_word_size() == 8)
{
dataMomentsArray8 =
reinterpret_cast<const uint8_t*>(momentData->data_moments());
reinterpret_cast<const std::uint8_t*>(momentData->data_moments());
}
else
{
dataMomentsArray16 =
reinterpret_cast<const uint16_t*>(momentData->data_moments());
reinterpret_cast<const std::uint16_t*>(momentData->data_moments());
}
if (cfpMoments.size() > 0)
{
cfpMomentsArray = reinterpret_cast<const uint8_t*>(
cfpMomentsArray = reinterpret_cast<const std::uint8_t*>(
radialData->moment_data_block(wsr88d::rda::DataBlockType::MomentCfp)
->data_moments());
}
for (uint16_t gate = startGate, i = 0; gate + gateSize <= endGate;
for (std::int32_t gate = startGate, i = 0; gate + gateSize <= endGate;
gate += gateSize, ++i)
{
size_t vertexCount = (gate > 0) ? 6 : 3;
if (gate < 0)
{
continue;
}
std::size_t vertexCount = (gate > 0) ? 6 : 3;
// Store data moment value
if (dataMomentsArray8 != nullptr)
{
uint8_t dataValue = dataMomentsArray8[i];
std::uint8_t dataValue = dataMomentsArray8[i];
if (dataValue < snrThreshold && dataValue != RANGE_FOLDED)
{
continue;
}
for (size_t m = 0; m < vertexCount; m++)
for (std::size_t m = 0; m < vertexCount; m++)
{
dataMoments8[mIndex++] = dataMomentsArray8[i];
@ -611,13 +616,13 @@ void Level2ProductView::ComputeSweep()
}
else
{
uint16_t dataValue = dataMomentsArray16[i];
std::uint16_t dataValue = dataMomentsArray16[i];
if (dataValue < snrThreshold && dataValue != RANGE_FOLDED)
{
continue;
}
for (size_t m = 0; m < vertexCount; m++)
for (std::size_t m = 0; m < vertexCount; m++)
{
dataMoments16[mIndex++] = dataMomentsArray16[i];
}
@ -626,18 +631,18 @@ void Level2ProductView::ComputeSweep()
// Store vertices
if (gate > 0)
{
const uint16_t baseCoord = gate - 1;
const std::uint16_t baseCoord = gate - 1;
size_t offset1 = ((startRadial + radial) % radials *
common::MAX_DATA_MOMENT_GATES +
baseCoord) *
2;
size_t offset2 = offset1 + gateSize * 2;
size_t offset3 = (((startRadial + radial + 1) % radials) *
common::MAX_DATA_MOMENT_GATES +
baseCoord) *
2;
size_t offset4 = offset3 + gateSize * 2;
std::size_t offset1 = ((startRadial + radial) % radials *
common::MAX_DATA_MOMENT_GATES +
baseCoord) *
2;
std::size_t offset2 = offset1 + gateSize * 2;
std::size_t offset3 = (((startRadial + radial + 1) % radials) *
common::MAX_DATA_MOMENT_GATES +
baseCoord) *
2;
std::size_t offset4 = offset3 + gateSize * 2;
vertices[vIndex++] = coordinates[offset1];
vertices[vIndex++] = coordinates[offset1 + 1];
@ -661,16 +666,16 @@ void Level2ProductView::ComputeSweep()
}
else
{
const uint16_t baseCoord = gate;
const std::uint16_t baseCoord = gate;
size_t offset1 = ((startRadial + radial) % radials *
common::MAX_DATA_MOMENT_GATES +
baseCoord) *
2;
size_t offset2 = (((startRadial + radial + 1) % radials) *
common::MAX_DATA_MOMENT_GATES +
baseCoord) *
2;
std::size_t offset1 = ((startRadial + radial) % radials *
common::MAX_DATA_MOMENT_GATES +
baseCoord) *
2;
std::size_t offset2 = (((startRadial + radial + 1) % radials) *
common::MAX_DATA_MOMENT_GATES +
baseCoord) *
2;
vertices[vIndex++] = p->latitude_;
vertices[vIndex++] = p->longitude_;
@ -866,25 +871,26 @@ Level2ProductView::GetBinLevel(const common::Coordinate& coordinate) const
// Compute gate interval
auto momentData = (*radarData)[*radial]->moment_data_block(dataBlockType);
const std::uint16_t dataMomentInterval =
const std::int32_t dataMomentInterval =
momentData->data_moment_range_sample_interval_raw();
const std::uint16_t dataMomentIntervalH = dataMomentInterval / 2;
const std::uint16_t dataMomentRange =
std::max(momentData->data_moment_range_raw(), dataMomentIntervalH);
const std::int32_t dataMomentIntervalH = dataMomentInterval / 2;
const std::int32_t dataMomentRange = std::max<std::int32_t>(
momentData->data_moment_range_raw(), dataMomentIntervalH);
// Compute gate size (number of base 250m gates per bin)
const std::uint16_t gateSizeMeters =
static_cast<std::uint16_t>(radarProductManager->gate_size());
const std::int32_t gateSizeMeters =
static_cast<std::int32_t>(radarProductManager->gate_size());
// Compute gate range [startGate, endGate)
const std::uint16_t startGate =
const std::int32_t startGate =
(dataMomentRange - dataMomentIntervalH) / gateSizeMeters;
const std::uint16_t numberOfDataMomentGates =
const std::int32_t numberOfDataMomentGates =
momentData->number_of_data_moment_gates();
const std::uint16_t gate = s12 / dataMomentInterval - startGate;
const std::int32_t gate = s12 / dataMomentInterval - startGate;
if (gate > numberOfDataMomentGates || gate > common::MAX_DATA_MOMENT_GATES)
if (gate < 0 || gate > numberOfDataMomentGates ||
gate > common::MAX_DATA_MOMENT_GATES)
{
// Coordinate is beyond radar range
return std::nullopt;

4
wxdata/include/scwx/wsr88d/rda/digital_radar_data.hpp
View file

@ -31,9 +31,9 @@ public:
std::uint16_t elevation_angle_raw() const;
units::degrees<float> elevation_angle() const;
std::uint16_t elevation_number() const;
std::uint16_t surveillance_range_raw() const;
std::int16_t surveillance_range_raw() const;
units::kilometers<float> surveillance_range() const;
std::uint16_t doppler_range_raw() const;
std::int16_t doppler_range_raw() const;
units::kilometers<float> doppler_range() const;
std::uint16_t surveillance_range_sample_interval_raw() const;
units::kilometers<float> surveillance_range_sample_interval() const;

2
wxdata/include/scwx/wsr88d/rda/digital_radar_data_generic.hpp
View file

@ -120,7 +120,7 @@ public:
std::uint16_t number_of_data_moment_gates() const;
units::kilometers<float> data_moment_range() const;
std::uint16_t data_moment_range_raw() const;
std::int16_t data_moment_range_raw() const;
units::kilometers<float> data_moment_range_sample_interval() const;
std::uint16_t data_moment_range_sample_interval_raw() const;
float snr_threshold() const;

2
wxdata/include/scwx/wsr88d/rda/generic_radar_data.hpp
View file

@ -79,7 +79,7 @@ public:
virtual std::uint16_t number_of_data_moment_gates() const = 0;
virtual units::kilometers<float> data_moment_range() const = 0;
virtual std::uint16_t data_moment_range_raw() const = 0;
virtual std::int16_t data_moment_range_raw() const = 0;
virtual units::kilometers<float>
data_moment_range_sample_interval() const = 0;
virtual std::uint16_t data_moment_range_sample_interval_raw() const = 0;

14
wxdata/source/scwx/wsr88d/rda/digital_radar_data.cpp
View file

@ -33,8 +33,8 @@ public:
std::uint16_t radialStatus_ {};
std::uint16_t elevationAngle_ {};
std::uint16_t elevationNumber_ {};
std::uint16_t surveillanceRange_ {};
std::uint16_t dopplerRange_ {};
std::int16_t surveillanceRange_ {};
std::int16_t dopplerRange_ {};
std::uint16_t surveillanceRangeSampleInterval_ {};
std::uint16_t dopplerRangeSampleInterval_ {};
std::uint16_t numberOfSurveillanceBins_ {};
@ -71,7 +71,7 @@ public:
std::uint16_t number_of_data_moment_gates() const;
units::kilometers<float> data_moment_range() const;
std::uint16_t data_moment_range_raw() const;
std::int16_t data_moment_range_raw() const;
units::kilometers<float> data_moment_range_sample_interval() const;
std::uint16_t data_moment_range_sample_interval_raw() const;
std::int16_t snr_threshold_raw() const;
@ -94,7 +94,7 @@ public:
~Impl() = default;
std::uint16_t numberOfDataMomentGates_ {};
std::uint16_t dataMomentRange_ {};
std::int16_t dataMomentRange_ {};
std::uint16_t dataMomentRangeSampleInterval_ {};
float scale_ {};
float offset_ {};
@ -162,7 +162,7 @@ std::uint16_t DigitalRadarData::elevation_number() const
return p->elevationNumber_;
}
std::uint16_t DigitalRadarData::surveillance_range_raw() const
std::int16_t DigitalRadarData::surveillance_range_raw() const
{
return p->surveillanceRange_;
}
@ -172,7 +172,7 @@ units::kilometers<float> DigitalRadarData::surveillance_range() const
return units::kilometers<float> {p->surveillanceRange_ * kRangeScale};
}
std::uint16_t DigitalRadarData::doppler_range_raw() const
std::int16_t DigitalRadarData::doppler_range_raw() const
{
return p->dopplerRange_;
}
@ -363,7 +363,7 @@ DigitalRadarData::Impl::MomentDataBlock::data_moment_range() const
return units::kilometers<float> {p->dataMomentRange_ * kRangeScale};
}
std::uint16_t
std::int16_t
DigitalRadarData::Impl::MomentDataBlock::data_moment_range_raw() const
{
return p->dataMomentRange_;

4
wxdata/source/scwx/wsr88d/rda/digital_radar_data_generic.cpp
View file

@ -54,7 +54,7 @@ public:
explicit Impl() {}
std::uint16_t numberOfDataMomentGates_ {0};
std::uint16_t dataMomentRange_ {0};
std::int16_t dataMomentRange_ {0};
std::uint16_t dataMomentRangeSampleInterval_ {0};
std::uint16_t tover_ {0};
std::int16_t snrThreshold_ {0};
@ -92,7 +92,7 @@ DigitalRadarDataGeneric::MomentDataBlock::data_moment_range() const
return units::kilometers<float> {p->dataMomentRange_ * 0.001f};
}
std::uint16_t
std::int16_t
DigitalRadarDataGeneric::MomentDataBlock::data_moment_range_raw() const
{
return p->dataMomentRange_;