??? mccombe.mapping
? Projection
java.lang.Object
mccombe.mapping.CoordinateSystem
mccombe.mapping.Projection
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Lambert
,Orthomorphic
,TransverseMercator
A Projection is an abstract base class for CoordinateSystems in which a a 3-dimensional
position is "projected" onto a surface to allow it to be represented in 2-dimensions.
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??????? mccombe.mapping.CoordinateSystem
locus, ref, sph
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???????????protected
Creates a new instance of ProjectionProjection
(Position p, Ellipsoid e, Datum d) Create a new Projection for a Position. -
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??????? mccombe.mapping.CoordinateSystem
defaultDatum, defaultEllipsoid, getDatum, getEllipsoid, getName, getPosition, getWGS84, parseDouble, toLatLong, toLatLongString, toString
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Projection
protected Projection()Creates a new instance of Projection -
Projection
Create a new Projection for a Position. The projection uses a specified Ellipsoid and Datum.- ??:
p
- The Positione
- Ellipsoid to used
- Datum to be used.
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toEN
Get a 2-dimensional representation of the projected position as easting and northing distances- ??:
- An ENPair representing the projected Position
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gridConvergence
public abstract double gridConvergence()Calculate Grid Convergence - the angle between the North axis and True North at this particular point.- ??:
- Grid convergence (radians)
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