org.geotoolkit.referencing.operation.projection
Class ObliqueMercator.Parameters

Object
  AbstractMathTransform2D.Parameters
      UnitaryProjection.Parameters
          ObliqueMercator.Parameters

All Implemented Interfaces:

Serializable, Parameterized

Enclosing class:

ObliqueMercator

protected static class ObliqueMercator.Parameters
extends UnitaryProjection.Parameters

Parameters used in Oblique Mercator projections. Those parameters determine the rotation in addition to the scale and translation determined by the parameters declared in the super-class.

Since:

3.00

Version:

3.00

Author:

Rueben Schulz (UBC), Martin Desruisseaux (Geomatys)

See Also:

Serialized Form

Module:

referencing/geotk-referencing (download)

View source code for this class

Field Summary

double	latitudeOf1stPoint The latitude of the 1st point used to specify the central line, in degrees.
double	latitudeOf2ndPoint The latitude of the 2nd point used to specify the central line, in degrees.
double	latitudeOfCentre Latitude of the projection centre.
double	longitudeOf1stPoint The longitude of the 1st point used to specify the central line, in degrees.
double	longitudeOf2ndPoint The longitude of the 2nd point used to specify the central line, in radians.
double	longitudeOfCentre Longitude of the projection centre.
double	rectifiedGridAngle The rectified bearing of the central line, in degrees.

Fields inherited from class UnitaryProjection.Parameters

azimuth, centralMeridian, falseEasting, falseNorthing, latitudeOfOrigin, scaleFactor, semiMajor, semiMinor, standardParallels

Constructor Summary

ObliqueMercator.Parameters(ParameterDescriptorGroup descriptor, ParameterValueGroup values)
Creates parameters initialized to values extracted from the given parameter group.

Method Summary

ParameterValueGroup	getParameterValues() Returns a group of parameters initialized to the values contained in this object.
boolean	usesTwoPoints() Infers from the parameter values if the azimuth is defined by two points on the central line.

Methods inherited from class UnitaryProjection.Parameters

equals, hashCode, validate

Methods inherited from class AbstractMathTransform2D.Parameters

createConcatenatedTransform, getParameterDescriptors, normalize, toString

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

latitudeOfCentre

public double latitudeOfCentre

Latitude of the projection centre. This is similar to the latitudeOfOrigin, but the latitude of origin is the Earth equator on aposphere for the oblique Mercator.

longitudeOfCentre

public double longitudeOfCentre

Longitude of the projection centre. This is NOT equal to the centralMeridian, which is the meridian where the central line intersects the Earth equator on aposphere.

This parameter applies to the "azimuth" case only and shall be set to NaN for the "two points" case.

rectifiedGridAngle

public double rectifiedGridAngle

The rectified bearing of the central line, in degrees. This is set to NaN if the RECTIFIED_GRID_ANGLE parameter value is not provided.

latitudeOf1stPoint

public double latitudeOf1stPoint

The latitude of the 1st point used to specify the central line, in degrees. This parameter applies to the "two points" case only and shell be set to NaN for the "azimuth" case.

longitudeOf1stPoint

public double longitudeOf1stPoint

The longitude of the 1st point used to specify the central line, in degrees. This parameter applies to the "two points" case only and shall be set to NaN for the "azimuth" case.

latitudeOf2ndPoint

public double latitudeOf2ndPoint

The latitude of the 2nd point used to specify the central line, in degrees. This parameter applies to the "two points" case only and shall be set to NaN for the "azimuth" case.

longitudeOf2ndPoint

public double longitudeOf2ndPoint

The longitude of the 2nd point used to specify the central line, in radians. This parameter applies to the "two points" case only and shall be set to NaN for the "azimuth" case.

Constructor Detail

ObliqueMercator.Parameters

public ObliqueMercator.Parameters(ParameterDescriptorGroup descriptor,
                                  ParameterValueGroup values)
                           throws ParameterNotFoundException

Creates parameters initialized to values extracted from the given parameter group.

Parameters:

descriptor - The descriptor of parameters that are legal for the projection being constructed.

values - The parameter values in standard units.

Throws:

ParameterNotFoundException - if a mandatory parameter is missing.

Method Detail

getParameterValues

public ParameterValueGroup getParameterValues()

Returns a group of parameters initialized to the values contained in this object. Changes to the returned parameters will not affect this object.

Specified by:

getParameterValues in interface Parameterized

Overrides:

getParameterValues in class UnitaryProjection.Parameters

Returns:

A copy of the parameter values.

See Also:

SingleOperation.getParameterValues()

usesTwoPoints

public boolean usesTwoPoints()
                      throws IllegalArgumentException

Infers from the parameter values if the azimuth is defined by two points on the central line.

Returns:

true if using two points on the central line to specify the azimuth.

Throws:

IllegalArgumentException - if the parameter values appear to be a mix of the "azimuth" and the "two points" cases.