com.mousebird.maply

Class CoordSystem

java.lang.Object

com.mousebird.maply.CoordSystem

Direct Known Subclasses:

GeoCoordSystem, PassThroughCoordSystem, PlateCarreeCoordSystem, Proj4CoordSystem, SphericalMercatorCoordSystem

public class CoordSystem
extends java.lang.Object

The coord system is a very simple representation of the coordinate systems supported by WhirlyGlobe-Maply. Very few moving parts are accessible at this level. In general, you'll want to instantiate one of the subclasses and pass it around to Mapy objects as needed.

Field Summary

Fields

Modifier and Type	Field and Description
Point3d	ll Lower left corner of the bounding box in local coordinates.
Point3d	ur Upper right corner of the bounding box in local coordinates.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CoordSystem() Only ever called by the subclass.

Method Summary

Modifier and Type	Method and Description
static Point3d	CoordSystemConvert3d(CoordSystem inSystem, CoordSystem outSystem, Point3d inCoord) Convert the coordinate between systems.
void	finalize()
Point3d	geocentricToLocal(Point3d pt) Convert from geocentric to the local coordinate system.
Point3d	geographicToLocal(Point3d pt) Convert from WGS84 longitude/latitude coordinates to the local coordinate system.
Mbr	getBounds() Return the valid bounding box for the coordinate system.
Point3d	localToGeocentric(Point3d pt) Convert from the local coordinate system to Geocentric
Point3d	localToGeographic(Point3d pt) Convert from the local coordinate system to WGS84 longitude/latitude in radians.
void	setBounds(Mbr mbr) Set the bounding box for the coordinate system.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ll

public Point3d ll

Lower left corner of the bounding box in local coordinates.

ur

public Point3d ur

Upper right corner of the bounding box in local coordinates.

Constructor Detail

CoordSystem

protected CoordSystem()

Only ever called by the subclass. Don't use this directly please.

Method Detail

finalize

public void finalize()

Overrides:

finalize in class java.lang.Object

getBounds

public Mbr getBounds()

Return the valid bounding box for the coordinate system. null means everywhere is valid.

setBounds

public void setBounds(Mbr mbr)

Set the bounding box for the coordinate system.

Parameters:

mbr -

geographicToLocal

public Point3d geographicToLocal(Point3d pt)

Convert from WGS84 longitude/latitude coordinates to the local coordinate system.

Parameters:

pt - The input coordinate in longitude/latitude WGS84 radians. Yes, radians.

Returns:

A point in the local coordinate system.

localToGeographic

public Point3d localToGeographic(Point3d pt)

Convert from the local coordinate system to WGS84 longitude/latitude in radians.

Parameters:

pt - A point in the local coordinate system.

Returns:

A coordinate in longitude/latitude WGS84 radians. Yes, radians.

localToGeocentric

public Point3d localToGeocentric(Point3d pt)

Convert from the local coordinate system to Geocentric

Parameters:

pt - A point in the local coordinate system.

Returns:

A coordinate in geocentric.

geocentricToLocal

public Point3d geocentricToLocal(Point3d pt)

Convert from geocentric to the local coordinate system.

Parameters:

pt - A point in geocentric

Returns:

A coordinate in the local coordinate system.

CoordSystemConvert3d

public static Point3d CoordSystemConvert3d(CoordSystem inSystem,
                                           CoordSystem outSystem,
                                           Point3d inCoord)

Convert the coordinate between systems.

Parameters:

inSystem - The system the coordinate is in.

outSystem - The system the coordinate you want it in.

inCoord - The coordinate.

Returns:

Returns the coordinate in the outSystem.