org.geotools.coverage.io.netcdf.crs

Class ProjectionBuilder

Object

ProjectionBuilder

public class ProjectionBuilder
extends Object

Class used to create an OGC ProjectedCRS instance on top of Projection name, parameters and Ellipsoid. A default datum will be created on top of that ellipsoid.

Field Summary

Fields

Modifier and Type	Field and Description
static String	AXIS_UNIT
static EllipsoidalCS	DEFAULT_ELLIPSOIDAL_CS

Constructor Summary

Constructors

Constructor and Description
ProjectionBuilder()

Method Summary

Modifier and Type	Method and Description
static CoordinateReferenceSystem	buildCRS(Map<String,?> props, ParameterValueGroup parameters, Ellipsoid ellipsoid) Build a Projected CoordinateReferenceSystem parsing Conversion parameters and Ellipsoid
static DefiningConversion	createConversionFromBase(String name, MathTransform transform) Create a DefiningConversion object from the input MathTransform
static Ellipsoid	createEllipsoid(String name, Map<String,Number> ellipsoidParams) Build a custom Ellipsoid provided the name and a Map contains parameters describing that ellipsoid.
static GeodeticDatum	createGeodeticDatum(String name, Ellipsoid ellipsoid) Build a Default GeodeticDatum on top of a specific Ellipsoid instance, using DefaultPrimeMeridian.GREENWICH as primeMeridian.
static GeographicCRS	createGeographicCRS(String name, GeodeticDatum datum) Build a GeographicCRS given the name to be assigned and the GeodeticDatum to be used.
static GeographicCRS	createGeographicCRS(String name, GeodeticDatum datum, EllipsoidalCS ellipsoidalCS) Build a GeographicCRS given the name to be assigned, the GeodeticDatum to be used and the EllipsoidalCS.
static ProjectedCRS	createProjectedCRS(Map<String,?> props, GeographicCRS baseCRS, DefiningConversion conversionFromBase, MathTransform transform)
static ProjectedCRS	createProjectedCRS(Map<String,?> props, GeographicCRS baseCRS, DefiningConversion conversionFromBase, MathTransform transform, CartesianCS derivedCS) Build a ProjectedCRS given the base GeographicCRS, the DefiningConversion instance from Base as well as the MathTransform from the base CRS to returned CRS.
static CoordinateReferenceSystem	createProjection(String projectionName, String code, Double semiMajor, Double inverseFlattening, Map<String,Double> params) Quick method to create a CoordinateReferenceSystem instance, given the OGC ProjectionName, such as "lambert_conformal_conic_2sp"), a custom code number for it, the semiMajor, the inverseFlattening (when infinity, assuming the reference ellipsoid is a spheroid), and the Projection Params through a map (as an instance: <"central_meridian",-95>)
static MathTransform	createTransform(ParameterValueGroup parameters)
static DefiningConversion	getConversion(ParameterValueGroup parameters, String name)
static ParameterValueGroup	getDefaultparameters(String projectionName) Get a ParameterValueGroup parameters instance for the specified projectionName.
static ParameterValueGroup	getProjectionParameters(String projectionName) Get Projection parameters from the specified projection name.
static void	updateEllipsoidParams(ParameterValueGroup parameters, Ellipsoid ellipsoid) Make sure to set SEMI_MINOR and SEMI_MAJOR projection's parameters from the ellipsoid definition

Methods inherited from class Object

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

Field Detail

AXIS_UNIT

public static final String AXIS_UNIT

See Also:

Constant Field Values

DEFAULT_ELLIPSOIDAL_CS

public static final EllipsoidalCS DEFAULT_ELLIPSOIDAL_CS

Constructor Detail

ProjectionBuilder

public ProjectionBuilder()

Method Detail

createProjection

public static CoordinateReferenceSystem createProjection(String projectionName,
                                                         String code,
                                                         Double semiMajor,
                                                         Double inverseFlattening,
                                                         Map<String,Double> params)
                                                  throws FactoryException

Quick method to create a CoordinateReferenceSystem instance, given the OGC ProjectionName, such as "lambert_conformal_conic_2sp"), a custom code number for it, the semiMajor, the inverseFlattening (when infinity, assuming the reference ellipsoid is a spheroid), and the Projection Params through a map (as an instance: <"central_meridian",-95>)

Throws:

FactoryException

getProjectionParameters

public static ParameterValueGroup getProjectionParameters(String projectionName)
                                                   throws NoSuchIdentifierException

Get Projection parameters from the specified projection name.

Throws:

NoSuchIdentifierException

updateEllipsoidParams

public static void updateEllipsoidParams(ParameterValueGroup parameters,
                                         Ellipsoid ellipsoid)

Make sure to set SEMI_MINOR and SEMI_MAJOR projection's parameters from the ellipsoid definition

createConversionFromBase

public static DefiningConversion createConversionFromBase(String name,
                                                          MathTransform transform)

Create a DefiningConversion object from the input MathTransform

createGeodeticDatum

public static GeodeticDatum createGeodeticDatum(String name,
                                                Ellipsoid ellipsoid)

Build a Default GeodeticDatum on top of a specific Ellipsoid instance, using DefaultPrimeMeridian.GREENWICH as primeMeridian.

createGeographicCRS

public static GeographicCRS createGeographicCRS(String name,
                                                GeodeticDatum datum)

Build a GeographicCRS given the name to be assigned and the GeodeticDatum to be used. EllipsoidalCS is DEFAULT_ELLIPSOIDAL_CS

createGeographicCRS

public static GeographicCRS createGeographicCRS(String name,
                                                GeodeticDatum datum,
                                                EllipsoidalCS ellipsoidalCS)

Build a GeographicCRS given the name to be assigned, the GeodeticDatum to be used and the EllipsoidalCS.

createProjectedCRS

public static ProjectedCRS createProjectedCRS(Map<String,?> props,
                                              GeographicCRS baseCRS,
                                              DefiningConversion conversionFromBase,
                                              MathTransform transform)

createProjectedCRS

public static ProjectedCRS createProjectedCRS(Map<String,?> props,
                                              GeographicCRS baseCRS,
                                              DefiningConversion conversionFromBase,
                                              MathTransform transform,
                                              CartesianCS derivedCS)

Build a ProjectedCRS given the base GeographicCRS, the DefiningConversion instance from Base as well as the MathTransform from the base CRS to returned CRS. The derivedCS is DefaultCartesianCS.PROJECTED by default.

createEllipsoid

public static Ellipsoid createEllipsoid(String name,
                                        Map<String,Number> ellipsoidParams)

Build a custom Ellipsoid provided the name and a Map contains parameters describing that ellipsoid. Supported params are NetCDFUtilities.SEMI_MAJOR, NetCDFUtilities.SEMI_MINOR, NetCDFUtilities.INVERSE_FLATTENING

buildCRS

public static CoordinateReferenceSystem buildCRS(Map<String,?> props,
                                                 ParameterValueGroup parameters,
                                                 Ellipsoid ellipsoid)
                                          throws NoSuchIdentifierException,
                                                 FactoryException

Build a Projected CoordinateReferenceSystem parsing Conversion parameters and Ellipsoid

Throws:

NoSuchIdentifierException

FactoryException

getConversion

public static DefiningConversion getConversion(ParameterValueGroup parameters,
                                               String name)

createTransform

public static MathTransform createTransform(ParameterValueGroup parameters)
                                     throws NoSuchIdentifierException,
                                            FactoryException

Throws:

NoSuchIdentifierException

FactoryException

getDefaultparameters

public static ParameterValueGroup getDefaultparameters(String projectionName)
                                                throws NoSuchIdentifierException

Get a ParameterValueGroup parameters instance for the specified projectionName.

Throws:

NoSuchIdentifierException