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Implementations of Coordinate Reference Systems (CRS),
conversion and transformation services derived from ISO 19111.
/*
* Geotoolkit.org - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2002-2011, 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.ParameterValueGroup;
import org.opengis.parameter.ParameterDescriptor;
import org.opengis.parameter.ParameterDescriptorGroup;
import org.opengis.referencing.operation.ConicProjection;
import org.opengis.referencing.operation.MathTransform2D;
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 "Krovak Oblique Conic Conformal" projection (EPSG:9819).
* The programmatic names and parameters are enumerated at
* Krovak on RemoteSensing.org.
* The math transform implementations instantiated by this provider may be any of the following classes:
*
*
* - {@link org.geotoolkit.referencing.operation.projection.Krovak}
*
*
* @author Jan Jezek (HSRS)
* @author Martin Desruisseaux (IRD, Geomatys)
* @version 3.19
*
* @since 2.4
* @module
*/
@Immutable
public class Krovak extends MapProjection {
/**
* For cross-version compatibility.
*/
private static final long serialVersionUID = -278392856661204734L;
/**
* 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
* 24°50' (which is 42°30' from Ferro prime meridian).
*/
public static final ParameterDescriptor LONGITUDE_OF_CENTRE =
Identifiers.CENTRAL_MERIDIAN.select(true, 42.5 - 17.66666666666667,
"longitude_of_center", // OGC
"Longitude_Of_Center", // ESRI
"Longitude of origin", // EPSG
"CenterLong"); // GeoTIFF
/**
* 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 49.5°.
*/
public static final ParameterDescriptor LATITUDE_OF_CENTRE =
Identifiers.LATITUDE_OF_ORIGIN.select(true, 49.5,
"latitude_of_center", // OGC
"Latitude_Of_Center", // ESRI
"Latitude of projection centre", // EPSG
"CenterLat"); // GeoTIFF
/**
* The operation parameter descriptor for the {@code 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°.
*/
public static final ParameterDescriptor AZIMUTH =
Identifiers.AZIMUTH.select(true, 30.28813972222222,
"azimuth", // OGC
"Co-latitude of cone axis", // EPSG
"AzimuthAngle"); // GeoTIFF
/**
* The operation parameter descriptor for the first {@linkplain
* org.geotoolkit.referencing.operation.projection.UnitaryProjection.Parameters#standardParallels
* standard parallel} parameter value.
*
* This parameter is mandatory.
* Valid values range is [-90 … 90]° and default value is 78.5°.
*/
public static final ParameterDescriptor PSEUDO_STANDARD_PARALLEL =
Identifiers.STANDARD_PARALLEL_1.select(true, 78.5,
"pseudo_standard_parallel_1", // OGC
"Pseudo_Standard_Parallel_1", // ESRI
"Latitude of pseudo standard parallel"); // EPSG
/**
* The operation parameter descriptor for the {@linkplain
* org.geotoolkit.referencing.operation.projection.UnitaryProjection.Parameters#scaleFactor
* scale factor} parameter value.
*
* This parameter is mandatory.
* Valid values range is (0 … ∞) and default value is 0.9999.
*/
public static final ParameterDescriptor SCALE_FACTOR =
Identifiers.SCALE_FACTOR.select(true, 0.9999,
"Scale factor on pseudo standard parallel", // EPSG
"ScaleAtCenter"); // GeoTIFF
/**
* The operation parameter descriptor for the {@linkplain
* org.geotoolkit.referencing.operation.projection.UnitaryProjection.Parameters#falseEasting
* false easting} parameter value.
*
* This parameter is mandatory.
* Valid values range is unrestricted and default value is 0 metre.
*/
public static final ParameterDescriptor FALSE_EASTING = Mercator1SP.FALSE_EASTING;
/**
* The operation parameter descriptor for the {@linkplain
* org.geotoolkit.referencing.operation.projection.UnitaryProjection.Parameters#falseNorthing
* false northing} parameter value.
*
* This parameter is mandatory.
* Valid values range is unrestricted and default value is 0 metre.
*/
public static final ParameterDescriptor FALSE_NORTHING = Mercator1SP.FALSE_NORTHING;
/**
* The parameters group.
*/
public static final ParameterDescriptorGroup PARAMETERS = Identifiers.createDescriptorGroup(
new ReferenceIdentifier[] {
new NamedIdentifier(Citations.OGC, "Krovak"),
new NamedIdentifier(Citations.GEOTIFF, "Krovak"),
new NamedIdentifier(Citations.GEOTOOLKIT, "Krovak Oblique Conformal Conic"),
new NamedIdentifier(Citations.GEOTOOLKIT, "Krovak Oblique Conic Conformal"), // Legacy EPSG
new NamedIdentifier(Citations.EPSG, "Krovak"), // Starting from EPSG version 7.6
new IdentifierCode (Citations.EPSG, 9819),
}, new ParameterDescriptor[] {
SEMI_MAJOR, SEMI_MINOR, ROLL_LONGITUDE,
LATITUDE_OF_CENTRE, LONGITUDE_OF_CENTRE,
AZIMUTH, PSEUDO_STANDARD_PARALLEL, SCALE_FACTOR,
X_SCALE, Y_SCALE, XY_PLANE_ROTATION,
FALSE_EASTING, FALSE_NORTHING
});
/**
* Constructs a new provider.
*/
public Krovak() {
super(PARAMETERS);
}
/**
* Returns the operation type for this map projection.
*/
@Override
public Class getOperationType() {
return ConicProjection.class;
}
/**
* {@inheritDoc}
*/
@Override
protected MathTransform2D createMathTransform(ParameterValueGroup values) {
return org.geotoolkit.referencing.operation.projection.Krovak.create(getParameters(), values);
}
}