refs #840, value classes for ground elevation plane

Can be used as single point elevation or plane covering an airport

src/blackmisc/geo/elevationplane.cpp

@@ -0,0 +1,105 @@
+/* Copyright (C) 2016
+ * swift Project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "elevationplane.h"
+#include "blackmisc/pq/length.h"
+#include "blackmisc/propertyindex.h"
+
+using namespace BlackMisc::PhysicalQuantities;
+
+namespace BlackMisc
+{
+    namespace Geo
+    {
+        QString CElevationPlane::convertToQString(bool i18n) const
+        {
+            QString s = "Geodetic: {%1, %2, %3} radius: %4";
+            return s.arg(this->latitude().valueRoundedWithUnit(6, i18n),
+                         this->longitude().valueRoundedWithUnit(6, i18n),
+                         this->geodeticHeight().valueRoundedWithUnit(6, i18n),
+                         this->m_radius.valueRoundedWithUnit(2, i18n)
+                        );
+        }
+
+        bool CElevationPlane::isNull() const
+        {
+            return m_radius.isNull();
+        }
+
+        bool CElevationPlane::isWithinRange(const ICoordinateGeodetic &coordinate) const
+        {
+            if (m_radius.isNull()) { return false; }
+            const CLength d = this->calculateGreatCircleDistance(coordinate);
+            const bool inRange = m_radius >= d;
+            return inRange;
+        }
+
+        void CElevationPlane::setSinglePointRadius()
+        {
+            m_radius = singlePointRadius();
+        }
+
+        void CElevationPlane::setMinorAirportRadius()
+        {
+            m_radius = minorAirportRadius();
+        }
+
+        void CElevationPlane::setMajorAirportRadius()
+        {
+            m_radius = majorAirportRadius();
+        }
+
+        CVariant CElevationPlane::propertyByIndex(const BlackMisc::CPropertyIndex &index) const
+        {
+            if (index.isMyself()) { return CVariant::from(*this); }
+            const ColumnIndex i = index.frontCasted<ColumnIndex>();
+            switch (i)
+            {
+            case IndexRadius:
+                return m_radius.propertyByIndex(index.copyFrontRemoved());
+            default:
+                break;
+            }
+            return CCoordinateGeodetic::propertyByIndex(index);
+        }
+
+        void CElevationPlane::setPropertyByIndex(const CPropertyIndex &index, const CVariant &variant)
+        {
+            if (index.isMyself()) { (*this) = variant.to<CElevationPlane>(); return; }
+            const ColumnIndex i = index.frontCasted<ColumnIndex>();
+            switch (i)
+            {
+            case IndexRadius:
+                this->m_radius.setPropertyByIndex(index.copyFrontRemoved(), variant);
+                break;
+            default:
+                CCoordinateGeodetic::setPropertyByIndex(index, variant);
+                break;
+            }
+        }
+
+        const CLength &CElevationPlane::singlePointRadius()
+        {
+            static const CLength l(10.0, CLengthUnit::m());
+            return l;
+        }
+
+        const CLength &CElevationPlane::minorAirportRadius()
+        {
+            static const CLength l(500.0, CLengthUnit::m());
+            return l;
+        }
+
+        const CLength &CElevationPlane::majorAirportRadius()
+        {
+            static const CLength l(1000.0, CLengthUnit::m());
+            return l;
+        }
+    } // namespace
+} // namespace