org.geotoolkit.referencing.operation.provider
Class Krovak

Object
  FormattableObject
      AbstractIdentifiedObject
          DefaultOperationMethod
              MathTransformProvider
                  MapProjection
                      Krovak

All Implemented Interfaces:

Serializable, Formattable, Deprecable, LenientComparable, IdentifiedObject, OperationMethod

@Immutable
public class Krovak
extends MapProjection

The provider for "Krovak Oblique Conic Conformal" projection (EPSG:9819). The math transform implementations instantiated by this provider may be any of the following classes:

• Krovak

The following table summarizes the parameters recognized by this provider. For a more detailed parameter list, see the PARAMETERS constant.

Operation name: Krovak
Area of use: (union of CRS domains of validity in EPSG database)

in latitudes:	47°44.4′N	to	51°03.0′N
in longitudes:	12°05.4′E	to	22°33.6′E

Parameter name	Default value
semi_major
semi_minor
roll_longitude	false
latitude_of_center	49.5°
longitude_of_center	24.83333333333333°
azimuth	30.28813972222222°
pseudo_standard_parallel_1	78.5°
scale_factor	0.9999
false_easting	0 metres
false_northing	0 metres
X_Scale	1
Y_Scale	1
XY_Plane_Rotation	0°

Since:

2.4

Version:

3.20

Author:

Jan Jezek (HSRS), Martin Desruisseaux (IRD, Geomatys)

See Also:

Krovak on RemoteSensing.org, Geotk coordinate operations matrix, Serialized Form

Module:

referencing/geotk-referencing (download)

View source code for this class

Field Summary

static ParameterDescriptor<Double>	AZIMUTH Deprecated. Invoke PARAMETERS.descriptor(String) instead.
static ParameterDescriptor<Double>	FALSE_EASTING Deprecated. Invoke PARAMETERS.descriptor(String) instead.
static ParameterDescriptor<Double>	FALSE_NORTHING Deprecated. Invoke PARAMETERS.descriptor(String) instead.
static ParameterDescriptor<Double>	LATITUDE_OF_CENTRE Deprecated. Invoke PARAMETERS.descriptor(String) instead.
static ParameterDescriptor<Double>	LONGITUDE_OF_CENTRE Deprecated. Invoke PARAMETERS.descriptor(String) instead.
static ParameterDescriptorGroup	PARAMETERS The group of all parameters expected by this coordinate operation.
static ParameterDescriptor<Double>	PSEUDO_STANDARD_PARALLEL Deprecated. Invoke PARAMETERS.descriptor(String) instead.
static ParameterDescriptor<Double>	SCALE_FACTOR Deprecated. Invoke PARAMETERS.descriptor(String) instead.

Fields inherited from class MapProjection

ROLL_LONGITUDE, SEMI_MAJOR, SEMI_MINOR, X_SCALE, XY_PLANE_ROTATION, Y_SCALE

Fields inherited from class DefaultOperationMethod

sourceDimension, targetDimension

Fields inherited from class FormattableObject

EPSG, GEOTIFF, INTERNAL, OGC, SINGLE_LINE

Fields inherited from interface OperationMethod

FORMULA_KEY

Fields inherited from interface IdentifiedObject

ALIAS_KEY, IDENTIFIERS_KEY, NAME_KEY, REMARKS_KEY

Constructor Summary

Krovak()
Constructs a new provider.

Method Summary

protected MathTransform2D	createMathTransform(ParameterValueGroup values) Creates a map projection from the specified group of parameter values.
Class<ConicProjection>	getOperationType() Returns the operation type for this map projection.

Methods inherited from class MathTransformProvider

ensureValidValues, formatWKT

Methods inherited from class DefaultOperationMethod

checkDimensions, computeHashCode, equals, getFormula, getParameters, getSourceDimensions, getTargetDimensions

Methods inherited from class AbstractIdentifiedObject

equals, getAlias, getIdentifier, getIdentifiers, getName, getName, getRemarks, hashCode, isDeprecated, nameMatches

Methods inherited from class FormattableObject

getDefaultIndentation, print, setDefaultIndentation, toString, toWKT, toWKT, toWKT, toWKT

Methods inherited from class Object

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

Methods inherited from interface IdentifiedObject

getAlias, getIdentifiers, getName, getRemarks, toWKT

Field Detail

LONGITUDE_OF_CENTRE

@Deprecated
public static final ParameterDescriptor<Double> LONGITUDE_OF_CENTRE

Deprecated. Invoke PARAMETERS.descriptor(String) instead.

The operation parameter descriptor for the central meridian parameter value. This parameter is mandatory. Valid values range is [-180 … 180]° and default value is 24°50' (which is 42°30' from Ferro prime meridian).

LATITUDE_OF_CENTRE

@Deprecated
public static final ParameterDescriptor<Double> LATITUDE_OF_CENTRE

Deprecated. Invoke PARAMETERS.descriptor(String) instead.

The operation parameter descriptor for the latitude of origin parameter value. This parameter is mandatory. Valid values range is [-90 … 90]° and default value is 49.5°.

AZIMUTH

@Deprecated
public static final ParameterDescriptor<Double> AZIMUTH

Deprecated. Invoke PARAMETERS.descriptor(String) instead.

The operation parameter descriptor for the azimuth parameter value. This has been renamed "Co-latitude of cone axis" in latest EPSG database versions. This parameter is mandatory. Valid values range is [-90 … 90]° and default value is 30.28813972222°.

PSEUDO_STANDARD_PARALLEL

@Deprecated
public static final ParameterDescriptor<Double> PSEUDO_STANDARD_PARALLEL

Deprecated. Invoke PARAMETERS.descriptor(String) instead.

The operation parameter descriptor for the first standard parallel parameter value. This parameter is mandatory. Valid values range is [-90 … 90]° and default value is 78.5°.

SCALE_FACTOR

@Deprecated
public static final ParameterDescriptor<Double> SCALE_FACTOR

Deprecated. Invoke PARAMETERS.descriptor(String) instead.

The operation parameter descriptor for the scale factor parameter value. This parameter is mandatory. Valid values range is (0 … ∞) and default value is 0.9999.

FALSE_EASTING

@Deprecated
public static final ParameterDescriptor<Double> FALSE_EASTING

Deprecated. Invoke PARAMETERS.descriptor(String) instead.

The operation parameter descriptor for the false easting parameter value. This parameter is mandatory. Valid values range is unrestricted and default value is 0 metre.

FALSE_NORTHING

@Deprecated
public static final ParameterDescriptor<Double> FALSE_NORTHING

Deprecated. Invoke PARAMETERS.descriptor(String) instead.

The operation parameter descriptor for the false northing parameter value. This parameter is mandatory. Valid values range is unrestricted and default value is 0 metre.

PARAMETERS

public static final ParameterDescriptorGroup PARAMETERS

The group of all parameters expected by this coordinate operation. The following table lists the operation names and the parameters recognized by Geotk:

Name:	OGC:	Krovak
Alias:	EPSG:	Krovak
	EPSG:	Krovak Oblique Conic Conformal
	ESRI:	Krovak
	GeoTIFF:	Krovak
	PROJ4:	krovak
	Geotk:	Krovak Oblique Conformal Conic
Identifier:	EPSG:	9819

Name:	OGC:	semi_major
Alias:	EPSG:	Semi-major axis
	ESRI:	Semi_Major
	GeoTIFF:	SemiMajor
	PROJ4:	a

Type:	Double
Obligation:	mandatory
Value range:	[0…∞) metres

Name:	OGC:	semi_minor
Alias:	EPSG:	Semi-minor axis
	ESRI:	Semi_Minor
	GeoTIFF:	SemiMinor
	PROJ4:	b

Type:	Double
Obligation:	mandatory
Value range:	[0…∞) metres

Name:

Geotk:

roll_longitude

Type:	Boolean
Obligation:	optional
Default value:	false

Name:	OGC:	latitude_of_center
Alias:	EPSG:	Latitude of projection centre
	ESRI:	Latitude_Of_Center
	GeoTIFF:	CenterLat
	PROJ4:	lat_0

Type:	Double
Obligation:	mandatory
Value range:	[-90 … 90]°
Default value:	49.5°

Name:	OGC:	longitude_of_center
Alias:	EPSG:	Longitude of origin
	ESRI:	Longitude_Of_Center
	GeoTIFF:	CenterLong
	PROJ4:	lon_0

Type:	Double
Obligation:	mandatory
Value range:	[-180 … 180]°
Default value:	24.83333333333333°

Name:	OGC:	azimuth
Alias:	EPSG:	Co-latitude of cone axis
	ESRI:	Azimuth
	GeoTIFF:	AzimuthAngle

Type:	Double
Obligation:	mandatory
Value range:	[-360 … 360]°
Default value:	30.28813972222222°

Name:	OGC:	pseudo_standard_parallel_1
Alias:	EPSG:	Latitude of pseudo standard parallel
	ESRI:	Pseudo_Standard_Parallel_1
	GeoTIFF:	StdParallel1
	PROJ4:	lat_1

Type:	Double
Obligation:	mandatory
Value range:	[-90 … 90]°
Default value:	78.5°

Name:	OGC:	scale_factor
Alias:	EPSG:	Scale factor on pseudo standard parallel
	ESRI:	Scale_Factor
	GeoTIFF:	ScaleAtCenter
	PROJ4:	k

Type:	Double
Obligation:	mandatory
Value range:	[0…∞)
Default value:	0.9999

Name:	OGC:	false_easting
Alias:	EPSG:	False easting
	ESRI:	False_Easting
	GeoTIFF:	FalseEasting
	PROJ4:	x_0

Type:	Double
Obligation:	mandatory
Value range:	(-∞ … ∞) metres
Default value:	0 metres

Name:	OGC:	false_northing
Alias:	EPSG:	False northing
	ESRI:	False_Northing
	GeoTIFF:	FalseNorthing
	PROJ4:	y_0

Type:	Double
Obligation:	mandatory
Value range:	(-∞ … ∞) metres
Default value:	0 metres

Name:

ESRI:

X_Scale

Type:	Double
Obligation:	optional
Value range:	(-∞ … ∞)
Default value:	1

Name:

ESRI:

Y_Scale

Type:	Double
Obligation:	optional
Value range:	(-∞ … ∞)
Default value:	1

Name:

ESRI:

XY_Plane_Rotation

Type:	Double
Obligation:	optional
Value range:	[-360 … 360]°
Default value:	0°

Constructor Detail

Krovak

public Krovak()

Constructs a new provider.

Method Detail

getOperationType

public Class<ConicProjection> getOperationType()

Returns the operation type for this map projection.

Overrides:

getOperationType in class MapProjection

Returns:

The GeoAPI interface implemented by this operation.

createMathTransform

protected MathTransform2D createMathTransform(ParameterValueGroup values)

Creates a map projection from the specified group of parameter values.

Specified by:

createMathTransform in class MapProjection

Parameters:

values - The group of parameter values.

Returns:

The created map projection.