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Add pre-caluclated smoothed coordinates

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This commit is contained in:
Dan Paulat 2024-12-03 23:28:18 -06:00
parent a8132ef9f1
commit 9f7026bf9c
2 changed files with 114 additions and 50 deletions
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153
scwx-qt/source/scwx/qt/manager/radar_product_manager.cpp
View file

@ -28,6 +28,7 @@
#include <boost/timer/timer.hpp>
#include <fmt/chrono.h>
#include <qmaplibre.hpp>
#include <units/angle.h>
#if defined(_MSC_VER)
# pragma warning(pop)
@ -206,6 +207,13 @@ public:
void UpdateAvailableProductsSync();
void
CalculateCoordinates(const boost::integer_range<std::uint32_t>& radialGates,
const units::angle::degrees<float> radialAngle,
const units::angle::degrees<float> angleOffset,
const float gateRangeOffset,
std::vector<float>& outputCoordinates);
static void
PopulateProductTimes(std::shared_ptr<ProviderManager> providerManager,
RadarProductRecordMap& productRecordMap,
@ -226,7 +234,9 @@ public:
std::size_t cacheLimit_ {6u};
std::vector<float> coordinates0_5Degree_ {};
std::vector<float> coordinates0_5DegreeSmooth_ {};
std::vector<float> coordinates1Degree_ {};
std::vector<float> coordinates1DegreeSmooth_ {};
RadarProductRecordMap level2ProductRecords_ {};
RadarProductRecordList level2ProductRecentRecords_ {};
@ -361,14 +371,29 @@ void RadarProductManager::DumpRecords()
}
const std::vector<float>&
RadarProductManager::coordinates(common::RadialSize radialSize) const
RadarProductManager::coordinates(common::RadialSize radialSize,
bool smoothingEnabled) const
{
switch (radialSize)
{
case common::RadialSize::_0_5Degree:
if (smoothingEnabled)
{
return p->coordinates0_5DegreeSmooth_;
}
else
{
return p->coordinates0_5Degree_;
}
case common::RadialSize::_1Degree:
if (smoothingEnabled)
{
return p->coordinates1DegreeSmooth_;
}
else
{
return p->coordinates1Degree_;
}
default:
throw std::invalid_argument("Invalid radial size");
}
@ -430,64 +455,107 @@ void RadarProductManager::Initialize()
boost::timer::cpu_timer timer;
const GeographicLib::Geodesic& geodesic(
util::GeographicLib::DefaultGeodesic());
const QMapLibre::Coordinate radar(p->radarSite_->latitude(),
p->radarSite_->longitude());
const float gateSize = gate_size();
// Calculate half degree azimuth coordinates
timer.start();
std::vector<float>& coordinates0_5Degree = p->coordinates0_5Degree_;
coordinates0_5Degree.resize(NUM_COORIDNATES_0_5_DEGREE);
auto radialGates0_5Degree =
const auto radialGates0_5Degree =
boost::irange<uint32_t>(0, NUM_RADIAL_GATES_0_5_DEGREE);
std::for_each(
std::execution::par_unseq,
radialGates0_5Degree.begin(),
radialGates0_5Degree.end(),
[&](uint32_t radialGate)
{
const uint16_t gate =
static_cast<uint16_t>(radialGate % common::MAX_DATA_MOMENT_GATES);
const uint16_t radial =
static_cast<uint16_t>(radialGate / common::MAX_DATA_MOMENT_GATES);
p->CalculateCoordinates(
radialGates0_5Degree,
units::angle::degrees<float> {0.5f}, // Radial angle
units::angle::degrees<float> {0.0f}, // Angle offset
// Far end of the first gate is the gate size distance from the radar site
1.0f,
coordinates0_5Degree);
const float angle = radial * 0.5f; // 0.5 degree radial
const float range = (gate + 1) * gateSize;
const size_t offset = radialGate * 2;
double latitude;
double longitude;
geodesic.Direct(
radar.first, radar.second, angle, range, latitude, longitude);
coordinates0_5Degree[offset] = latitude;
coordinates0_5Degree[offset + 1] = longitude;
});
timer.stop();
logger_->debug("Coordinates (0.5 degree) calculated in {}",
timer.format(6, "%ws"));
// Calculate half degree smooth azimuth coordinates
timer.start();
std::vector<float>& coordinates0_5DegreeSmooth =
p->coordinates0_5DegreeSmooth_;
coordinates0_5DegreeSmooth.resize(NUM_COORIDNATES_0_5_DEGREE);
p->CalculateCoordinates(radialGates0_5Degree,
units::angle::degrees<float> {0.5f}, // Radial angle
units::angle::degrees<float> {0.25f}, // Angle offset
// Center of the first gate is half the gate size
// distance from the radar site
0.5f,
coordinates0_5DegreeSmooth);
timer.stop();
logger_->debug("Coordinates (0.5 degree smooth) calculated in {}",
timer.format(6, "%ws"));
// Calculate 1 degree azimuth coordinates
timer.start();
std::vector<float>& coordinates1Degree = p->coordinates1Degree_;
coordinates1Degree.resize(NUM_COORIDNATES_1_DEGREE);
auto radialGates1Degree =
const auto radialGates1Degree =
boost::irange<uint32_t>(0, NUM_RADIAL_GATES_1_DEGREE);
p->CalculateCoordinates(
radialGates1Degree,
units::angle::degrees<float> {1.0f}, // Radial angle
units::angle::degrees<float> {0.0f}, // Angle offset
// Far end of the first gate is the gate size distance from the radar site
1.0f,
coordinates1Degree);
timer.stop();
logger_->debug("Coordinates (1 degree) calculated in {}",
timer.format(6, "%ws"));
// Calculate 1 degree smooth azimuth coordinates
timer.start();
std::vector<float>& coordinates1DegreeSmooth = p->coordinates1DegreeSmooth_;
coordinates1DegreeSmooth.resize(NUM_COORIDNATES_1_DEGREE);
p->CalculateCoordinates(radialGates1Degree,
units::angle::degrees<float> {1.0f}, // Radial angle
units::angle::degrees<float> {0.5f}, // Angle offset
// Center of the first gate is twice the gate size
// distance from the radar site
2.0f,
coordinates1DegreeSmooth);
timer.stop();
logger_->debug("Coordinates (1 degree smooth) calculated in {}",
timer.format(6, "%ws"));
p->initialized_ = true;
}
void RadarProductManagerImpl::CalculateCoordinates(
const boost::integer_range<std::uint32_t>& radialGates,
const units::angle::degrees<float> radialAngle,
const units::angle::degrees<float> angleOffset,
const float gateRangeOffset,
std::vector<float>& outputCoordinates)
{
const GeographicLib::Geodesic& geodesic(
util::GeographicLib::DefaultGeodesic());
const QMapLibre::Coordinate radar(radarSite_->latitude(),
radarSite_->longitude());
const float gateSize = self_->gate_size();
std::for_each(
std::execution::par_unseq,
radialGates1Degree.begin(),
radialGates1Degree.end(),
radialGates.begin(),
radialGates.end(),
[&](uint32_t radialGate)
{
const uint16_t gate =
@ -495,8 +563,8 @@ void RadarProductManager::Initialize()
const uint16_t radial =
static_cast<uint16_t>(radialGate / common::MAX_DATA_MOMENT_GATES);
const float angle = radial * 1.0f; // 1 degree radial
const float range = (gate + 1) * gateSize;
const float angle = radial * radialAngle.value() + angleOffset.value();
const float range = (gate + gateRangeOffset) * gateSize;
const size_t offset = radialGate * 2;
double latitude;
@ -505,14 +573,9 @@ void RadarProductManager::Initialize()
geodesic.Direct(
radar.first, radar.second, angle, range, latitude, longitude);
coordinates1Degree[offset] = latitude;
coordinates1Degree[offset + 1] = longitude;
outputCoordinates[offset] = latitude;
outputCoordinates[offset + 1] = longitude;
});
timer.stop();
logger_->debug("Coordinates (1 degree) calculated in {}",
timer.format(6, "%ws"));
p->initialized_ = true;
}
std::shared_ptr<ProviderManager>

3
scwx-qt/source/scwx/qt/manager/radar_product_manager.hpp
View file

@ -41,7 +41,8 @@ public:
*/
static void DumpRecords();
const std::vector<float>& coordinates(common::RadialSize radialSize) const;
const std::vector<float>& coordinates(common::RadialSize radialSize,
bool smoothingEnabled) const;
const scwx::util::time_zone* default_time_zone() const;
float gate_size() const;
std::string radar_id() const;