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refs #291, bearing

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* method to calculate bearing between coordinates
* Helper methods to normalize degrees (0..360deg), e.g. -10deg -> 350deg
This commit is contained in:
Klaus Basan
2014-07-06 16:41:34 +02:00
parent 9e4c58b209
commit d8ca4241af
4 changed files with 189 additions and 1 deletions
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42
src/blackmisc/coordinategeodetic.h
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@@ -24,6 +24,18 @@ namespace BlackMisc
{
public:
//! Properties by index
enum ColumnIndex
{
IndexLatitude = 6000,
IndexLongitude,
IndexLatitudeAsString,
IndexLongitudeAsString
};
//! Destructor
virtual ~ICoordinateGeodetic() {}
//! Latitude
virtual const CLatitude &latitude() const = 0;
@@ -44,17 +56,40 @@ namespace BlackMisc
//! Great circle distance
BlackMisc::PhysicalQuantities::CLength greatCircleDistance(const ICoordinateGeodetic &otherCoordinate);
//! Initial bearing
BlackMisc::PhysicalQuantities::CAngle initialBearing(const ICoordinateGeodetic &otherCoordinate);
//! In range
static bool indexInRange(int index);
//! \copydoc CValueObject::propertyByIndex
virtual QVariant propertyByIndex(int index) const;
};
//! Great circle distance between points
BlackMisc::PhysicalQuantities::CLength greatCircleDistance(const ICoordinateGeodetic &coordinate1, const ICoordinateGeodetic &coordinate2);
//! Initial bearing
BlackMisc::PhysicalQuantities::CAngle initialBearing(const ICoordinateGeodetic &coordinate1, const ICoordinateGeodetic &coordinate2);
//! Geodetic coordinate
//! \sa http://www.esri.com/news/arcuser/0703/geoid1of3.html
//! \sa http://http://www.gmat.unsw.edu.au/snap/gps/clynch_pdfs/coordcvt.pdf (page 5)
//! \sa http://en.wikipedia.org/wiki/Geodetic_datum#Vertical_datum
class CCoordinateGeodetic : public CValueObject, public ICoordinateGeodetic
{
public:
//! Column index
enum ColumnIndex
{
IndexLatitude = 6000,
IndexLongitude,
IndexLatitudeAsString,
IndexLongitudeAsString,
IndexGeodeticHeight
};
private:
BLACK_ENABLE_TUPLE_CONVERSION(CCoordinateGeodetic)
BlackMisc::Geo::CLatitude m_latitude; //!< Latitude
@@ -107,6 +142,12 @@ namespace BlackMisc
//! \copydoc CValueObject::toQVariant
virtual QVariant toQVariant() const override { return QVariant::fromValue(*this); }
//! \copydoc CValueObject::propertyByIndex
virtual QVariant propertyByIndex(int index) const override;
//! \copydoc CValueObject::setPropertyByIndex
virtual void setPropertyByIndex(const QVariant &variant, int index) override;
//! Switch unit of latitude / longitude
CCoordinateGeodetic &switchUnit(const BlackMisc::PhysicalQuantities::CAngleUnit &unit)
{
@@ -154,6 +195,7 @@ namespace BlackMisc
//! Coordinate by WGS84 position data
static CCoordinateGeodetic fromWgs84(const QString &latitudeWgs84, const QString &longitudeWgs84, const BlackMisc::PhysicalQuantities::CLength geodeticHeight = BlackMisc::PhysicalQuantities::CLength());
};
} // namespace