/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2008, Open Source Geospatial Foundation (OSGeo)
*
* 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.geotools.referencing.factory.wms;
// OpenGIS dependencies
import org.opengis.parameter.ParameterValueGroup;
/**
* Auto Orthographic ({@code AUTO:42003}).
* In the notation below, "<code>${var}</code>" denotes a reference to the value of a variable
* "{@code var}". The variables "{@code lat0}" and "{@code lon0}" are the central point of the
* projection appearing in the CRS parameter of the map request.
*
* <pre>
* PROJCS["WGS 84 / Auto Orthographic",
* GEOGCS["WGS 84",
* DATUM["WGS_1984",
* SPHEROID["WGS_1984", 6378137, 298.257223563]],
* PRIMEM["Greenwich", 0],
* UNIT["Decimal_Degree", 0.0174532925199433]],
* PROJECTION["Orthographic"],
* PARAMETER["Latitude_of_Origin", ${latitude_of_origin}],
* PARAMETER["Central_Meridian", ${central_meridian}],
* UNIT["Meter", 1]]
* </pre>
*
* Where:
*
* <pre>
* ${latitude_of_origin} = ${lat0}
* ${central_meridian} = ${lon0}
* </pre>
*
* @source $URL$
* @version $Id$
* @author Jody Garnett
* @author Rueben Schulz
* @author Martin Desruisseaux
*
* @todo The coordinate operation method should uses ellipsoidal formulas,
* but this is not yet implemented in Geotools (as of version 2.2).
*/
final class Auto42003 extends Factlet {
/**
* A shared (thread-safe) instance.
*/
public static final Auto42003 DEFAULT = new Auto42003();
/**
* Do not allows instantiation except the {@link #DEFAULT} constant.
*/
private Auto42003() {
}
/**
* {@inheritDoc}
*/
public int code() {
return 42003;
}
/**
* {@inheritDoc}
*/
public String getName() {
return "WGS 84 / Auto Orthographic";
}
/**
* {@inheritDoc}
*/
public String getClassification() {
return "Orthographic";
}
/**
* {@inheritDoc}
*/
protected void setProjectionParameters(final ParameterValueGroup parameters, final Code code) {
final double latitudeOfOrigin = code.latitude;
final double centralMeridian = code.longitude;
parameters.parameter("latitude_of_origin").setValue(latitudeOfOrigin);
parameters.parameter("central_meridian") .setValue(centralMeridian);
}
}