Weather data sample

New sample demonstrating how to use the weatherplugins to get and print weatherdata around a geo position refs #556
2026-03-22 14:55:36 +08:00 · 2016-01-13 20:44:59 +01:00
parent ef9da08dcf
commit c5fab7fb71
7 changed files with 278 additions and 0 deletions
--- a/samples/weatherdata/weatherdataprinter.cpp
+++ b/samples/weatherdata/weatherdataprinter.cpp
@@ -0,0 +1,83 @@
+#include "weatherdataprinter.h"
+#include "blackmisc/logmessage.h"
+#include <QTextStream>
+
+using namespace BlackMisc;
+using namespace BlackMisc::Weather;
+using namespace BlackMisc::Geo;
+using namespace BlackMisc::PhysicalQuantities;
+using namespace BlackCore;
+
+
+CWeatherDataPrinter::CWeatherDataPrinter(QObject *parent) : QObject(parent)
+{
+    m_plugins.collectPlugins();
+
+    if (m_plugins.getAvailableWeatherDataPlugins().isEmpty())
+    {
+        CLogMessage(this).warning("No weather data plugin found!");
+    }
+
+    CWeatherDataPluginInfo info = m_plugins.getAvailableWeatherDataPlugins().front();
+    m_weatherDataFactory.reset(m_plugins.getPluginById<IWeatherDataFactory>(info.getIdentifier()));
+    if (!m_weatherDataFactory)
+    {
+        CLogMessage(this).error("Failed to create IWeatherDataFactory.");
+    }
+
+    m_weatherData = m_weatherDataFactory->create(this);
+    if (!m_weatherData)
+    {
+        CLogMessage(this).error("Failed to create IWeatherData instance.");
+    }
+
+    connect(m_weatherData, &IWeatherData::fetchingFinished, this, &CWeatherDataPrinter::ps_printWeatherData);
+}
+
+void CWeatherDataPrinter::fetchAndPrintWetherData(const CLatitude &lat, const CLongitude &lon)
+{
+    QTextStream qtout(stdout);
+    qtout << "Fetching weather data. This may take a while..." << endl;
+    m_weatherData->fetchWeatherData(lat, lon, 0.001);
+}
+
+void CWeatherDataPrinter::ps_printWeatherData()
+{
+    QTextStream qtout(stdout);
+    qtout << "... finished." << endl;
+    CWeatherGrid weatherGrid = m_weatherData->getWeatherData();
+    for (const CGridPoint &gridPoint : weatherGrid)
+    {
+        qtout << "Latitude:" << gridPoint.getLatitude().toQString() << endl;
+        qtout << "Longitude:" << gridPoint.getLongitude().toQString() << endl;
+
+        CTemperatureLayerList temperatureLayers = gridPoint.getTemperatureLayers();
+        temperatureLayers.sort([](const CTemperatureLayer &a, const CTemperatureLayer &b) { return a.getLevel() < b.getLevel(); });
+        CWindLayerList windLayers = gridPoint.getWindLayers();
+        windLayers.sort([](const CWindLayer &a, const CWindLayer &b) { return a.getLevel() < b.getLevel(); });
+
+        if (temperatureLayers.size() != windLayers.size()) { continue; }
+        for (int i = 0; i < temperatureLayers.size(); i++)
+        {
+            const CTemperatureLayer temperatureLayer = temperatureLayers[i];
+            const CWindLayer windLayer = windLayers[i];
+            qtout << "    Level: " << temperatureLayer.getLevel().toQString() << endl;
+            qtout << "        Temperature: " << temperatureLayer.getTemperature().toQString() << endl;
+            qtout << "        Relative Humidity: " << temperatureLayer.getRelativeHumidity() << " %" << endl;
+            qtout << "        Wind: " << windLayer.getDirection().toQString() << " at " << windLayer.getSpeed().toQString() << endl;
+        }
+        qtout << endl;
+
+        qtout << "    Clouds: " << endl;
+        CCloudLayerList cloudLayers = gridPoint.getCloudLayers();
+        cloudLayers.sort([](const CCloudLayer &a, const CCloudLayer &b) { return a.getBase() < b.getBase(); });
+        for (int i = 0; i < cloudLayers.size(); i++)
+        {
+            const CCloudLayer &cloudLayer = cloudLayers[i];
+            qtout << "        Ceiling: " << cloudLayer.getCeiling().toQString() << endl;
+            qtout << "        Base: " << cloudLayer.getBase().toQString() << endl;
+            qtout << "        Coverage: " << cloudLayer.getCoveragePercent() << " %" << endl;
+        }
+        qtout << endl << endl;
+    }
+}