Ref T786, smaller improvements

* allow to use ICoordinateGeodetic, not the CCoordinateGeodetic implementation only
* allow to init weather grid by initial ICoordinateGeodetic

samples/weatherdata/weatherdataprinter.cpp

@@ -51,7 +51,7 @@ void CWeatherDataPrinter::fetchAndPrintWeatherData(const CCoordinateGeodetic &po
     qtout << "Position:" << position.toQString(true) << endl;
     qtout << "Fetching weather data. This may take a while..." << endl;
 
-    CWeatherGrid weatherGrid { { "", position } };
+    const CWeatherGrid weatherGrid { { "", position } };
     m_weatherManger.requestWeatherGrid(weatherGrid, { this, &CWeatherDataPrinter::printWeatherData });
 }
 

src/blackmisc/weather/gridpoint.cpp

@@ -21,13 +21,13 @@ namespace BlackMisc
     namespace Weather
     {
         CGridPoint::CGridPoint(const QString &identifier,
-                               const Geo::CCoordinateGeodetic &position) :
+                               const ICoordinateGeodetic &position) :
             m_identifier(identifier),
             m_position(position)
         { }
 
         CGridPoint::CGridPoint(const QString &identifier,
-                               const Geo::CCoordinateGeodetic &position,
+                               const Geo::ICoordinateGeodetic &position,
                                const CCloudLayerList &cloudLayers,
                                const CTemperatureLayerList &temperatureLayers,
                                const CVisibilityLayerList &visibilityLayers,

src/blackmisc/weather/gridpoint.h

@@ -54,11 +54,11 @@ namespace BlackMisc
 
             //! Constructor
             CGridPoint(const QString &identifier,
-                       const Geo::CCoordinateGeodetic &position);
+                       const Geo::ICoordinateGeodetic &position);
 
             //! Constructor
             CGridPoint(const QString &identifier,
-                       const Geo::CCoordinateGeodetic &position,
+                       const Geo::ICoordinateGeodetic &position,
                        const CCloudLayerList &cloudLayers,
                        const CTemperatureLayerList &temperatureLayers,
                        const CVisibilityLayerList &visibilityLayers,

src/blackmisc/weather/weathergrid.cpp

@@ -41,6 +41,12 @@ namespace BlackMisc
             CSequence<CGridPoint>(other)
         { }
 
+        CWeatherGrid::CWeatherGrid(const ICoordinateGeodetic &coordinate)
+        {
+            const CGridPoint p("GLOB", coordinate);
+            this->push_back(p);
+        }
+
         CWeatherGrid CWeatherGrid::findWithinRange(const ICoordinateGeodetic &coordinate, const PhysicalQuantities::CLength &range) const
         {
             return findBy([&](const CGridPoint & gridPoint)
@@ -162,7 +168,7 @@ namespace BlackMisc
             static const CGridPoint gridPointGLOB =
             {
                 "GLOB",
-                {},
+                CCoordinateGeodetic::null(),
                 CCloudLayerList { cloudLayer },
                 CTemperatureLayerList { temperatureLayer },
                 CVisibilityLayerList  { visibilityLayer },
@@ -214,7 +220,7 @@ namespace BlackMisc
             static const CGridPoint gridPointGLOB
             {
                 "GLOB",
-                {},
+                CCoordinateGeodetic::null(),
                 CCloudLayerList { cloudLayer1, cloudLayer2 },
                 CTemperatureLayerList { temperatureLayer },
                 CVisibilityLayerList { visibilityLayer },

src/blackmisc/weather/weathergrid.h

@@ -43,6 +43,9 @@ namespace BlackMisc
             //! Construct from a base class object.
             CWeatherGrid(const CSequence<CGridPoint> &other);
 
+            //! Grid with an initial point at coordinates given
+            CWeatherGrid(const BlackMisc::Geo::ICoordinateGeodetic &coordinate);
+
             //! \copydoc Geo::IGeoObjectList::findWithinRange
             CWeatherGrid findWithinRange(const BlackMisc::Geo::ICoordinateGeodetic &coordinate, const BlackMisc::PhysicalQuantities::CLength &range) const;