Package llnl.gnem.core.util.Geometry

Class CoordinateTransform

java.lang.Object

llnl.gnem.core.util.Geometry.CoordinateTransform

public class CoordinateTransform
extends Object

User: Eric Matzel Date: Mar 23, 2010

Field Summary

Fields

Modifier and Type	Field	Description
static final double	DEGREES_TO_RADIANS
static final double	RADIANS_TO_DEGREES

Constructor Summary

Constructors

Constructor	Description
CoordinateTransform()

Method Summary

Modifier and Type	Method	Description
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	CartesianToPolar(double x, double y)	Cartesian coordinates x,y to Polar coordinates theta, phi, z = 0
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	CartesianToPolar(double x, double y, double z)	Cartesian coordinates x,y,z to Polar coordinates theta, rho, z
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	CartesianToPolar(org.apache.commons.math3.geometry.euclidean.threed.Vector3D point)	Cartesian coordinates x,y,z to Polar coordinates theta, rho, z
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	CartesianToSpherical(double x, double y, double z)	Cartesian coordinates x,y,z to Spherical coordinates theta, phi, r
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	CartesianToSpherical(org.apache.commons.math3.geometry.euclidean.threed.Vector3D point)	Cartesian coordinates x,y,z to Spherical coordinates theta, phi, r
static double	GeocentricToGeodeticLatitude(double geocentriclatitude)
static double	GeodeticToGeocentricLatitude(double geodeticlatitude)
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	LonLatRadiusToXYZ(double longitude, double latitude, double radius)	A convenience method to allow SphericalToCartesian conversion from longitude, latitude (DEGREES) instead of theta,phi (RADIANS)
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	LonLatRadiusToXYZ(org.apache.commons.math3.geometry.euclidean.threed.Vector3D lonlatradpoint)	A convenience method to allow SphericalToCartesian conversion from longitude, latitude (DEGREES) instead of theta,phi (RADIANS) NOTE: units of radius (e.g.
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	PolarToCartesian(double theta, double rho)	Polar coordinates theta, rho, (z = 0) to Cartesian coordinates x, y, (z = 0)
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	PolarToCartesian(double theta, double rho, double z)	Polar coordinates theta, rho, z to Cartesian coordinates x,y,z
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	PolarToCartesian(org.apache.commons.math3.geometry.euclidean.threed.Vector3D point)	Polar coordinates theta, rho, (z = 0) to Cartesian coordinates x, y, z
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	SphericalToCartesian(double theta, double phi, double radius)	Spherical Coordinates to Cartesian Coordinates
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	SphericalToCartesian(org.apache.commons.math3.geometry.euclidean.threed.Vector3D point)	Spherical Coordinates to Cartesian Coordinates
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	XYZToLonLatRadius(double x, double y, double z)	A convenience method to allow CartesianToSpherical conversion from X,Y,Z to longitude, latitude (DEGREES) and radius NOTE: units of xyz (e.g.
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	XYZToLonLatRadius(org.apache.commons.math3.geometry.euclidean.threed.Vector3D xyzpoint)	A convenience method to allow CartesianToSpherical conversion from X,Y,Z to longitude, latitude (DEGREES) and radius

Methods inherited from class java.lang.Object

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

Field Details

RADIANS_TO_DEGREES

public static final double RADIANS_TO_DEGREES

See Also:

• Constant Field Values

DEGREES_TO_RADIANS

public static final double DEGREES_TO_RADIANS

See Also:

• Constant Field Values

Constructor Details

CoordinateTransform

public CoordinateTransform()

Method Details

SphericalToCartesian

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D SphericalToCartesian(double theta,
 double phi,
 double radius)

Spherical Coordinates to Cartesian Coordinates

Parameters:

theta - angle x to y (a.k.a. longitude in RADIANS)

phi - angle from x-y plane to z (a.k.a. latitude in RADIANS)

radius - length of the vector from the origin at (0,0,0)

Returns:

a Point3d object in Cartesian coordinates

SphericalToCartesian

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D SphericalToCartesian(org.apache.commons.math3.geometry.euclidean.threed.Vector3D point)

Spherical Coordinates to Cartesian Coordinates

Parameters:

point - - a Point3d object in format point.x = theta, point.y = phi, point.z = radius Note theta and phi need to be in RADIANS

Returns:

a Point3d object in cartesian x,y,z coordinates

CartesianToSpherical

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D CartesianToSpherical(org.apache.commons.math3.geometry.euclidean.threed.Vector3D point)

Cartesian coordinates x,y,z to Spherical coordinates theta, phi, r

Parameters:

point - a Point3d object x,y,z

Returns:

a Point3d object in format point.x = theta, point.y = phi, point.z = radius (theta and phi in RADIANS)

CartesianToSpherical

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D CartesianToSpherical(double x,
 double y,
 double z)

Cartesian coordinates x,y,z to Spherical coordinates theta, phi, r

Parameters:

x -

y -

z -

Returns:

a Point3d object in format point.x = theta, point.y = phi, point.z = r (theta and phi in RADIANS)

CartesianToPolar

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D CartesianToPolar(org.apache.commons.math3.geometry.euclidean.threed.Vector3D point)

Cartesian coordinates x,y,z to Polar coordinates theta, rho, z

Parameters:

point - a Point3d object x,y,z

Returns:

a Point3d object in format point.x = theta, point.y = rho, point.z = z

CartesianToPolar

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D CartesianToPolar(double x,
 double y,
 double z)

Cartesian coordinates x,y,z to Polar coordinates theta, rho, z

Parameters:

x -

y -

z -

Returns:

a Point3d object in format point.x = theta, point.y = rho, point.z = z

CartesianToPolar

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D CartesianToPolar(double x,
 double y)

Cartesian coordinates x,y to Polar coordinates theta, phi, z = 0

Parameters:

x -

y -

Returns:

a Point3d object in format point.x = theta, point.y = rho, point.z = z

PolarToCartesian

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D PolarToCartesian(double theta,
 double rho,
 double z)

Polar coordinates theta, rho, z to Cartesian coordinates x,y,z

Parameters:

theta - angle from x to y

rho - distance from origin (0,0,0)

z - distance along the z-axis

Returns:

a Point3d object (x,y,z)

PolarToCartesian

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D PolarToCartesian(double theta,
 double rho)

Polar coordinates theta, rho, (z = 0) to Cartesian coordinates x, y, (z = 0)

Parameters:

theta - angle from x to y

rho - distance from origin (0,0)

Returns:

a Point3d object (x,y,0)

PolarToCartesian

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D PolarToCartesian(org.apache.commons.math3.geometry.euclidean.threed.Vector3D point)

Polar coordinates theta, rho, (z = 0) to Cartesian coordinates x, y, z

Parameters:

point - a Point3d object in format point.x = theta, point.y = rho, point.z = z

Returns:

a Point3d object (x,y,z)

LonLatRadiusToXYZ

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D LonLatRadiusToXYZ(double longitude,
 double latitude,
 double radius)

A convenience method to allow SphericalToCartesian conversion from longitude, latitude (DEGREES) instead of theta,phi (RADIANS)

Parameters:

longitude - - the longitude in DEGREES

latitude - - the latitude in DEGREES

radius - - the radius to the point in space NOTE: units of radius (e.g. meters, km, miles) determine the units of XYZ

Returns:

a Point3d object (x,y,z)

LonLatRadiusToXYZ

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D LonLatRadiusToXYZ(org.apache.commons.math3.geometry.euclidean.threed.Vector3D lonlatradpoint)

A convenience method to allow SphericalToCartesian conversion from longitude, latitude (DEGREES) instead of theta,phi (RADIANS) NOTE: units of radius (e.g. meters, km, miles) determine the units of XYZ

Parameters:

lonlatradpoint - = a Point3d object (longitude, latitude, radius)

Returns:

a Point3d object (x,y,z)

XYZToLonLatRadius

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D XYZToLonLatRadius(double x,
 double y,
 double z)

A convenience method to allow CartesianToSpherical conversion from X,Y,Z to longitude, latitude (DEGREES) and radius NOTE: units of xyz (e.g. meters, km, miles) determine the units of radius

Parameters:

x -

y -

z -

Returns:

a Point3d object (longitude, latitude, radius)

XYZToLonLatRadius

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D XYZToLonLatRadius(org.apache.commons.math3.geometry.euclidean.threed.Vector3D xyzpoint)

A convenience method to allow CartesianToSpherical conversion from X,Y,Z to longitude, latitude (DEGREES) and radius

Parameters:

xyzpoint - - a Point3d object (X, Y, Z)

Returns:

a Point3d object (longitude, latitude, radius)

GeodeticToGeocentricLatitude

public static double GeodeticToGeocentricLatitude(double geodeticlatitude)

GeocentricToGeodeticLatitude

public static double GeocentricToGeodeticLatitude(double geocentriclatitude)