105 lines
3.0 KiB
C++
Executable File
105 lines
3.0 KiB
C++
Executable File
/**
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* Subscribe to MeteoDataManagement and provide the correct weather for the given position
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* $Id$
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* $HeadURL$
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* $Author$
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*/
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#include "meteo_data_provider.h"
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#include "main_handler.h"
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#include <LtsCoordTrans/lts_coord_trans.h>
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#include "settings.h"
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using namespace AreaEffectSimulation;
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MeteoDataProvider::MeteoDataProvider(MainHandler *mainHandler)
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: QObject()
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, m_mainHandler(mainHandler)
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, m_mdmDtc(MeteoDataManagement::Interface::Dtc::create(m_mainHandler->dds()->ddsConnector()))
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, m_staticWeatherId(0)
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{
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connect(m_mdmDtc.get(), &MeteoDataManagement::Interface::Dtc::meteoDataChanged,
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this, &MeteoDataProvider::meteoDataChanged);
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m_mdmDtc->enableMeteoData();
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}
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MeteoDataProvider::~MeteoDataProvider()
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{}
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MeteoDataManagement::MeteoData MeteoDataProvider::getStaticWeather()
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{
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initWeatherData();
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if (m_staticWeatherId > 0)
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{
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auto it = m_meteoData.find(m_staticWeatherId);
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if (it != m_meteoData.end())
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return it.value();
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}
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// default values from wikipedia for aviations
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MeteoDataManagement::MeteoData dummyWeather;
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dummyWeather.pressure = 1013.25;
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dummyWeather.temperature = 15;
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dummyWeather.humidity = 0;
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dummyWeather.timeStamp = m_mainHandler->dds()->currentPartitionTimeMSec();
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dummyWeather.windDirection = 0;
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dummyWeather.windSpeed = 0;
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dummyWeather.windOk = true;
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dummyWeather.climateOk = true;
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return dummyWeather;
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}
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MeteoDataManagement::MeteoData MeteoDataProvider::getNearestWeather(const Core::GeoPosition2D &pos)
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{
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initWeatherData();
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LtsCoordTrans::UtmCoordinate utm(LtsCoordTrans::UtmCoordinate::fromGeographic(pos.lon, pos.lat));
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double nearestDistanceSquared = std::numeric_limits<double>::max();
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MeteoDataManagement::MeteoData retMd;
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for (const auto &md : qAsConst(m_meteoData))
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{
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if (md.isStaticMeteoData)
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continue;
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if (QDateTime::fromMSecsSinceEpoch(md.timeStamp).addMSecs(Settings::getValidityPeriodWeatherData()) < m_mainHandler->dds()->currentPartitionTime())
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continue;
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const double distanceSquared = LtsCoordTrans::squareDistance(utm, md.pos.lon, md.pos.lat);
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if (distanceSquared < nearestDistanceSquared)
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{
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retMd = md;
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nearestDistanceSquared = distanceSquared;
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}
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}
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return (retMd.id > 0) ? retMd : getStaticWeather();
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}
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void MeteoDataProvider::meteoDataChanged(const MeteoDataManagement::MeteoData &data, DataModification modType)
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{
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switch (modType)
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{
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case DataModification::eRemoved:
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m_meteoData.remove(data.id);
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if (m_staticWeatherId == data.id)
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m_staticWeatherId = 0;
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break;
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case DataModification::eAdded:
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case DataModification::eModified:
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m_meteoData[data.id] = data;
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if (data.isStaticMeteoData)
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m_staticWeatherId = data.id;
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break;
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}
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}
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void MeteoDataProvider::initWeatherData()
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{
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if (!m_meteoData.isEmpty())
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return;
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m_mdmDtc->waitForHistoricalDataMeteoData();
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m_meteoData = m_mdmDtc->meteoDatas();
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for (const auto &data : qAsConst(m_meteoData))
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if (data.isStaticMeteoData)
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{
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m_staticWeatherId = data.id;
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return;
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}
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}
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