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Implementations of Coordinate Reference Systems (CRS), conversion and transformation services derived from ISO 19111.
There is a newer version: 3.20-geoapi-3.0
/*
 *    Geotoolkit.org - An Open Source Java GIS Toolkit
 *    http://www.geotoolkit.org
 *
 *    (C) 1999-2011, Open Source Geospatial Foundation (OSGeo)
 *    (C) 2009-2011, Geomatys
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 */
package org.geotoolkit.referencing.operation.provider;

import net.jcip.annotations.Immutable;

import org.opengis.parameter.ParameterDescriptor;
import org.opengis.parameter.ParameterDescriptorGroup;
import org.opengis.referencing.ReferenceIdentifier;

import org.geotoolkit.referencing.NamedIdentifier;
import org.geotoolkit.internal.referencing.Identifiers;
import org.geotoolkit.metadata.iso.citation.Citations;


/**
 * The provider for "Stereographic" projection using EPSG equations (EPSG:9809).
 * The programmatic names and parameters are enumerated at
 * Oblique
 * Stereographic on RemoteSensing.org. The math transform implementations instantiated by
 * this provider may be any of the following classes:
 * 
 * 

 *   {@link org.geotoolkit.referencing.operation.projection.ObliqueStereographic}
 * 
 *
 * @author Rueben Schulz (UBC)
 * @author Martin Desruisseaux (Geomatys)
 * @version 3.00
 *
 * @since 2.4
 * @module
 */
@Immutable
public class ObliqueStereographic extends Stereographic {
    /**
     * For compatibility with different versions during deserialization.
     */
    private static final long serialVersionUID = 6505988910141381354L;

    /**
     * The operation parameter descriptor for the {@linkplain
     * org.geotoolkit.referencing.operation.projection.UnitaryProjection.Parameters#centralMeridian
     * central meridian} parameter value.
     *
     * This parameter is mandatory.
     * Valid values range is [-180 … 180]° and default value is 0°.
     */
    @SuppressWarnings("hiding")
    public static final ParameterDescriptor CENTRAL_MERIDIAN = Mercator1SP.CENTRAL_MERIDIAN;

    /**
     * The operation parameter descriptor for the {@linkplain
     * org.geotoolkit.referencing.operation.projection.UnitaryProjection.Parameters#latitudeOfOrigin
     * latitude of origin} parameter value.
     *
     * This parameter is mandatory.
     * Valid values range is [-90 … 90]° and default value is 0°.
     */
    @SuppressWarnings("hiding")
    public static final ParameterDescriptor LATITUDE_OF_ORIGIN = Mercator2SP.LATITUDE_OF_ORIGIN;

    /**
     * The parameters group.
     */
    @SuppressWarnings("hiding")
    public static final ParameterDescriptorGroup PARAMETERS = Identifiers.createDescriptorGroup(
        new ReferenceIdentifier[] {
            new NamedIdentifier(Citations.OGC,     "Oblique_Stereographic"),
            new NamedIdentifier(Citations.EPSG,    "Oblique Stereographic"),
            new NamedIdentifier(Citations.EPSG,    "Roussilhe"),
            new IdentifierCode (Citations.EPSG,     9809),
            new NamedIdentifier(Citations.GEOTIFF, "CT_ObliqueStereographic"),
            new IdentifierCode (Citations.GEOTIFF,  16),
            new NamedIdentifier(Citations.ESRI,    "Double_Stereographic"),
            sameNameAs(Citations.GEOTOOLKIT, Stereographic.PARAMETERS)
        }, new ParameterDescriptor[] {
            SEMI_MAJOR, SEMI_MINOR, ROLL_LONGITUDE,
            CENTRAL_MERIDIAN, LATITUDE_OF_ORIGIN, SCALE_FACTOR,
            FALSE_EASTING, FALSE_NORTHING
        });

    /**
     * Constructs a new provider.
     */
    public ObliqueStereographic() {
        super(PARAMETERS);
    }
}