Package net.buildtheearth.terraminusminus.projection.dymaxion

Class BTEDymaxionProjection

java.lang.Object

net.buildtheearth.terraminusminus.projection.dymaxion.DymaxionProjection

net.buildtheearth.terraminusminus.projection.dymaxion.ConformalDynmaxionProjection

net.buildtheearth.terraminusminus.projection.dymaxion.BTEDymaxionProjection

All Implemented Interfaces:

GeographicProjection

public class BTEDymaxionProjection
extends ConformalDynmaxionProjection

Implementation of the BTE modified Dynmaxion projection.

See Also:

• DymaxionProjection
• ConformalDynmaxionProjection

Nested Class Summary

Nested classes/interfaces inherited from interface net.buildtheearth.terraminusminus.projection.GeographicProjection

GeographicProjection.Deserializer, GeographicProjection.Serializer

Field Summary

Fields

Modifier and Type	Field	Description
protected static final double	ALEUTIAN_B
protected static final double	ALEUTIAN_M
protected static final double	ALEUTIAN_XL
protected static final double	ALEUTIAN_XR
protected static final double	ALEUTIAN_Y
protected static final double	ARCTIC_B
protected static final double	ARCTIC_M
protected static final double	ARCTIC_Y
protected static final double	BERING_X
protected static final double	BERING_Y
protected static final double	COS_THETA
protected static final double	SIN_THETA
protected static final double	THETA

Fields inherited from class net.buildtheearth.terraminusminus.projection.dymaxion.ConformalDynmaxionProjection

inverse, INVERSE_CACHE, SIDE_LENGTH, VECTOR_SCALE_FACTOR

Fields inherited from class net.buildtheearth.terraminusminus.projection.dymaxion.DymaxionProjection

ARC, CENTER_MAP, CENTROIDS, DVE, EL, EL6, FACE_ON_GRID, FLIP_TRIANGLE, INVERSE_ROTATION_MATRICES, ISO, R, ROTATION_MATRICES, VERTICES, Z

Constructor Summary

Constructors

Constructor	Description
BTEDymaxionProjection()

Method Summary

Modifier and Type	Method	Description
double[]	bounds()	Indicates the minimum and maximum X and Y coordinates on the projected space.
double[]	fromGeo(double longitude, double latitude)	Converts geographic coordinates to map coordinates
protected boolean	isEurasianPart(double x, double y)
double[]	toGeo(double x, double y)	Converts map coordinates to geographic coordinates
String	toString()

Methods inherited from class net.buildtheearth.terraminusminus.projection.dymaxion.ConformalDynmaxionProjection

inverseTriangleTransform, metersPerUnit, triangleTransform

Methods inherited from class net.buildtheearth.terraminusminus.projection.dymaxion.DymaxionProjection

findTriangle, findTriangleGrid, inverseTriangleTransformNewton, upright, yRot

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.buildtheearth.terraminusminus.projection.GeographicProjection

azimuth, azimuth, properties, tissot, tissot, vector

Field Details

THETA

protected static final double THETA

SIN_THETA

protected static final double SIN_THETA

COS_THETA

protected static final double COS_THETA

BERING_X

protected static final double BERING_X

See Also:

• Constant Field Values

BERING_Y

protected static final double BERING_Y

See Also:

• Constant Field Values

ARCTIC_Y

protected static final double ARCTIC_Y

See Also:

• Constant Field Values

ARCTIC_M

protected static final double ARCTIC_M

ARCTIC_B

protected static final double ARCTIC_B

ALEUTIAN_Y

protected static final double ALEUTIAN_Y

See Also:

• Constant Field Values

ALEUTIAN_XL

protected static final double ALEUTIAN_XL

See Also:

• Constant Field Values

ALEUTIAN_XR

protected static final double ALEUTIAN_XR

See Also:

• Constant Field Values

ALEUTIAN_M

protected static final double ALEUTIAN_M

See Also:

• Constant Field Values

ALEUTIAN_B

protected static final double ALEUTIAN_B

See Also:

• Constant Field Values

Constructor Details

BTEDymaxionProjection

public BTEDymaxionProjection()

Method Details

fromGeo

public double[] fromGeo(double longitude,
 double latitude)
                 throws OutOfProjectionBoundsException

Description copied from interface: GeographicProjection

Converts geographic coordinates to map coordinates

Specified by:

fromGeo in interface GeographicProjection

Overrides:

fromGeo in class DymaxionProjection

Parameters:

longitude - - longitude, in degrees

latitude - - latitude, in degrees

Returns:

{x, y} map coordinates

Throws:

OutOfProjectionBoundsException - if the specified point on the geographic space cannot be mapped to a point of the projected space

toGeo

public double[] toGeo(double x,
 double y)
               throws OutOfProjectionBoundsException

Description copied from interface: GeographicProjection

Converts map coordinates to geographic coordinates

Specified by:

toGeo in interface GeographicProjection

Overrides:

toGeo in class DymaxionProjection

Parameters:

x - - x map coordinate

y - - y map coordinate

Returns:

{longitude, latitude} in degrees

Throws:

OutOfProjectionBoundsException - if the specified point on the projected space cannot be mapped to a point of the geographic space

isEurasianPart

protected boolean isEurasianPart(double x,
 double y)

bounds

public double[] bounds()

Description copied from interface: GeographicProjection

Indicates the minimum and maximum X and Y coordinates on the projected space.

Specified by:

bounds in interface GeographicProjection

Overrides:

bounds in class DymaxionProjection

Returns:

{minimum X, minimum Y, maximum X, maximum Y}

toString

public String toString()

Overrides:

toString in class ConformalDynmaxionProjection