mirror of
https://github.com/ciphervance/supercell-wx.git
synced 2025-10-31 01:00:05 +00:00
382 lines
11 KiB
C++
382 lines
11 KiB
C++
#include <scwx/qt/view/level3_radial_view.hpp>
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#include <scwx/common/constants.hpp>
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#include <scwx/util/logger.hpp>
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#include <scwx/util/threads.hpp>
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#include <scwx/util/time.hpp>
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#include <scwx/wsr88d/rpg/digital_radial_data_array_packet.hpp>
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#include <scwx/wsr88d/rpg/radial_data_packet.hpp>
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#include <boost/range/irange.hpp>
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#include <boost/timer/timer.hpp>
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namespace scwx
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{
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namespace qt
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{
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namespace view
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{
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static const std::string logPrefix_ = "scwx::qt::view::level3_radial_view";
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static const auto logger_ = scwx::util::Logger::Create(logPrefix_);
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static constexpr uint16_t RANGE_FOLDED = 1u;
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static constexpr uint32_t VERTICES_PER_BIN = 6u;
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static constexpr uint32_t VALUES_PER_VERTEX = 2u;
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class Level3RadialViewImpl
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{
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public:
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explicit Level3RadialViewImpl() :
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selectedTime_ {},
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latitude_ {},
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longitude_ {},
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range_ {},
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vcp_ {},
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sweepTime_ {}
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{
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}
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~Level3RadialViewImpl() = default;
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std::chrono::system_clock::time_point selectedTime_;
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std::vector<float> vertices_;
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std::vector<uint8_t> dataMoments8_;
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float latitude_;
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float longitude_;
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float range_;
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uint16_t vcp_;
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std::chrono::system_clock::time_point sweepTime_;
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};
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Level3RadialView::Level3RadialView(
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const std::string& product,
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std::shared_ptr<manager::RadarProductManager> radarProductManager) :
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Level3ProductView(product, radarProductManager),
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p(std::make_unique<Level3RadialViewImpl>())
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{
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}
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Level3RadialView::~Level3RadialView() = default;
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float Level3RadialView::range() const
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{
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return p->range_;
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}
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std::chrono::system_clock::time_point Level3RadialView::sweep_time() const
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{
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return p->sweepTime_;
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}
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uint16_t Level3RadialView::vcp() const
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{
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return p->vcp_;
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}
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const std::vector<float>& Level3RadialView::vertices() const
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{
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return p->vertices_;
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}
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std::tuple<const void*, size_t, size_t> Level3RadialView::GetMomentData() const
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{
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const void* data;
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size_t dataSize;
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size_t componentSize;
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data = p->dataMoments8_.data();
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dataSize = p->dataMoments8_.size() * sizeof(uint8_t);
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componentSize = 1;
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return std::tie(data, dataSize, componentSize);
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}
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void Level3RadialView::SelectTime(std::chrono::system_clock::time_point time)
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{
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p->selectedTime_ = time;
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}
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void Level3RadialView::ComputeSweep()
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{
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logger_->debug("ComputeSweep()");
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boost::timer::cpu_timer timer;
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std::scoped_lock sweepLock(sweep_mutex());
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std::shared_ptr<manager::RadarProductManager> radarProductManager =
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radar_product_manager();
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// Retrieve message from Radar Product Manager
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std::shared_ptr<wsr88d::rpg::Level3Message> message =
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radarProductManager->GetLevel3Data(GetRadarProductName(),
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p->selectedTime_);
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if (message == nullptr)
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{
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logger_->debug("Level 3 data not found");
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return;
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}
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// A message with radial data should be a Graphic Product Message
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std::shared_ptr<wsr88d::rpg::GraphicProductMessage> gpm =
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std::dynamic_pointer_cast<wsr88d::rpg::GraphicProductMessage>(message);
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if (gpm == nullptr)
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{
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logger_->warn("Graphic Product Message not found");
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return;
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}
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else if (gpm == graphic_product_message())
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{
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// Skip if this is the message we previously processed
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return;
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}
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set_graphic_product_message(gpm);
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// A message with radial data should have a Product Description Block and
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// Product Symbology Block
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std::shared_ptr<wsr88d::rpg::ProductDescriptionBlock> descriptionBlock =
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message->description_block();
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std::shared_ptr<wsr88d::rpg::ProductSymbologyBlock> symbologyBlock =
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gpm->symbology_block();
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if (descriptionBlock == nullptr || symbologyBlock == nullptr)
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{
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logger_->warn("Missing blocks");
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return;
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}
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// A valid message should have a positive number of layers
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uint16_t numberOfLayers = symbologyBlock->number_of_layers();
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if (numberOfLayers < 1)
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{
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logger_->warn("No layers present in symbology block");
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return;
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}
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// A message with radial data should either have a Digital Radial Data Array
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// Packet, or a Radial Data Array Packet (TODO)
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std::shared_ptr<wsr88d::rpg::DigitalRadialDataArrayPacket>
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digitalDataPacket = nullptr;
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std::shared_ptr<wsr88d::rpg::RadialDataPacket> radialDataPacket = nullptr;
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std::shared_ptr<wsr88d::rpg::GenericRadialDataPacket> radialData = nullptr;
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for (uint16_t layer = 0; layer < numberOfLayers; layer++)
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{
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std::vector<std::shared_ptr<wsr88d::rpg::Packet>> packetList =
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symbologyBlock->packet_list(layer);
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for (auto it = packetList.begin(); it != packetList.end(); it++)
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{
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// Prefer Digital Radial Data to Radial Data
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digitalDataPacket = std::dynamic_pointer_cast<
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wsr88d::rpg::DigitalRadialDataArrayPacket>(*it);
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if (digitalDataPacket != nullptr)
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{
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break;
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}
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// Otherwise, check for Radial Data
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if (radialDataPacket == nullptr)
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{
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radialDataPacket =
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std::dynamic_pointer_cast<wsr88d::rpg::RadialDataPacket>(*it);
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}
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}
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if (digitalDataPacket != nullptr)
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{
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break;
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}
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}
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if (digitalDataPacket != nullptr)
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{
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radialData = digitalDataPacket;
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}
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else if (radialDataPacket != nullptr)
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{
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radialData = radialDataPacket;
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}
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else
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{
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logger_->debug("No radial data found");
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return;
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}
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// Assume the number of radials should be 360 or 720
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const size_t radials = radialData->number_of_radials();
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if (radials != 360 && radials != 720)
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{
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logger_->warn("Unsupported number of radials: {}", radials);
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return;
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}
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const common::RadialSize radialSize =
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(radials == common::MAX_0_5_DEGREE_RADIALS) ?
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common::RadialSize::_0_5Degree :
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common::RadialSize::_1Degree;
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const std::vector<float>& coordinates =
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radarProductManager->coordinates(radialSize);
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// There should be a positive number of range bins in radial data
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const uint16_t gates = radialData->number_of_range_bins();
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if (gates < 1)
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{
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logger_->warn("No range bins in radial data");
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return;
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}
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p->latitude_ = descriptionBlock->latitude_of_radar();
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p->longitude_ = descriptionBlock->longitude_of_radar();
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p->range_ = descriptionBlock->range();
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p->sweepTime_ =
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util::TimePoint(descriptionBlock->volume_scan_date(),
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descriptionBlock->volume_scan_start_time() * 1000);
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p->vcp_ = descriptionBlock->volume_coverage_pattern();
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// Calculate vertices
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timer.start();
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// Setup vertex vector
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std::vector<float>& vertices = p->vertices_;
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size_t vIndex = 0;
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vertices.clear();
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vertices.resize(radials * gates * VERTICES_PER_BIN * VALUES_PER_VERTEX);
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// Setup data moment vector
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std::vector<uint8_t>& dataMoments8 = p->dataMoments8_;
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size_t mIndex = 0;
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dataMoments8.resize(radials * gates * VERTICES_PER_BIN);
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// Compute threshold at which to display an individual bin
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const uint16_t snrThreshold = descriptionBlock->threshold();
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// Determine which radial to start at
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const float radialMultiplier = radials / 360.0f;
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const float startAngle = radialData->start_angle(0);
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const uint16_t startRadial = std::lroundf(startAngle * radialMultiplier);
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for (uint16_t radial = 0; radial < radialData->number_of_radials(); radial++)
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{
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const auto dataMomentsArray8 = radialData->level(radial);
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// Compute gate interval
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const uint16_t dataMomentInterval = descriptionBlock->x_resolution_raw();
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// Compute gate size (number of base gates per bin)
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const uint16_t gateSize = std::max<uint16_t>(
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1,
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dataMomentInterval /
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static_cast<uint16_t>(radarProductManager->gate_size()));
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// Compute gate range [startGate, endGate)
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const uint16_t startGate = 0;
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const uint16_t endGate = std::min<uint16_t>(
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startGate + gates * gateSize, common::MAX_DATA_MOMENT_GATES);
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for (uint16_t gate = startGate, i = 0; gate + gateSize <= endGate;
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gate += gateSize, ++i)
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{
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size_t vertexCount = (gate > 0) ? 6 : 3;
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// Store data moment value
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uint8_t dataValue =
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(i < dataMomentsArray8.size()) ? dataMomentsArray8[i] : 0;
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if (dataValue < snrThreshold && dataValue != RANGE_FOLDED)
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{
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continue;
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}
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for (size_t m = 0; m < vertexCount; m++)
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{
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dataMoments8[mIndex++] = dataValue;
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}
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// Store vertices
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if (gate > 0)
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{
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const uint16_t baseCoord = gate - 1;
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size_t offset1 = ((startRadial + radial) % radials *
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common::MAX_DATA_MOMENT_GATES +
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baseCoord) *
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2;
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size_t offset2 = offset1 + gateSize * 2;
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size_t offset3 = (((startRadial + radial + 1) % radials) *
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common::MAX_DATA_MOMENT_GATES +
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baseCoord) *
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2;
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size_t offset4 = offset3 + gateSize * 2;
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vertices[vIndex++] = coordinates[offset1];
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vertices[vIndex++] = coordinates[offset1 + 1];
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vertices[vIndex++] = coordinates[offset2];
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vertices[vIndex++] = coordinates[offset2 + 1];
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vertices[vIndex++] = coordinates[offset3];
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vertices[vIndex++] = coordinates[offset3 + 1];
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vertices[vIndex++] = coordinates[offset3];
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vertices[vIndex++] = coordinates[offset3 + 1];
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vertices[vIndex++] = coordinates[offset4];
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vertices[vIndex++] = coordinates[offset4 + 1];
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vertices[vIndex++] = coordinates[offset2];
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vertices[vIndex++] = coordinates[offset2 + 1];
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vertexCount = 6;
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}
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else
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{
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const uint16_t baseCoord = gate;
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size_t offset1 = ((startRadial + radial) % radials *
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common::MAX_DATA_MOMENT_GATES +
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baseCoord) *
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2;
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size_t offset2 = (((startRadial + radial + 1) % radials) *
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common::MAX_DATA_MOMENT_GATES +
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baseCoord) *
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2;
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vertices[vIndex++] = p->latitude_;
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vertices[vIndex++] = p->longitude_;
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vertices[vIndex++] = coordinates[offset1];
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vertices[vIndex++] = coordinates[offset1 + 1];
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vertices[vIndex++] = coordinates[offset2];
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vertices[vIndex++] = coordinates[offset2 + 1];
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vertexCount = 3;
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}
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}
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}
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vertices.resize(vIndex);
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vertices.shrink_to_fit();
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dataMoments8.resize(mIndex);
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dataMoments8.shrink_to_fit();
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timer.stop();
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logger_->debug("Vertices calculated in {}", timer.format(6, "%ws"));
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UpdateColorTable();
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emit SweepComputed();
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}
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std::shared_ptr<Level3RadialView> Level3RadialView::Create(
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const std::string& product,
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std::shared_ptr<manager::RadarProductManager> radarProductManager)
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{
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return std::make_shared<Level3RadialView>(product, radarProductManager);
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}
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} // namespace view
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} // namespace qt
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} // namespace scwx
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