/*
* 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.
*
* This package contains documentation from OpenGIS specifications.
* OpenGIS consortium's work is fully acknowledged here.
*/
package org.geotools.metadata.iso.quality;
import org.opengis.metadata.quality.Result;
import org.opengis.metadata.quality.EvaluationMethodType;
import org.opengis.metadata.quality.PositionalAccuracy;
import org.opengis.util.InternationalString;
import org.geotools.metadata.iso.citation.Citations;
import org.geotools.util.SimpleInternationalString;
/**
* Accuracy of the position of features.
*
*
* @source $URL$
* @version $Id$
* @author Martin Desruisseaux (IRD)
* @author Touraïvane
*
* @since 2.1
*/
public class PositionalAccuracyImpl extends ElementImpl implements PositionalAccuracy {
/**
* Serial number for interoperability with different versions.
*/
private static final long serialVersionUID = 6043381860937480828L;
/**
* Indicates that a {@linkplain org.opengis.referencing.operation.Transformation transformation}
* requires a datum shift and some method has been applied. Datum shift methods often use
* {@linkplain org.geotools.referencing.datum.BursaWolfParameters Bursa Wolf parameters},
* but other kind of method may have been applied as well.
*
* @see org.opengis.referencing.operation.Transformation#getPositionalAccuracy
* @see org.geotools.referencing.operation.AbstractCoordinateOperationFactory#DATUM_SHIFT
*/
public static final PositionalAccuracy DATUM_SHIFT_APPLIED;
/**
* Indicates that a {@linkplain org.opengis.referencing.operation.Transformation transformation}
* requires a datum shift, but no method has been found applicable. This usually means that no
* {@linkplain org.geotools.referencing.datum.BursaWolfParameters Bursa Wolf parameters} have
* been found. Such datum shifts are approximative and may have 1 kilometer error. This
* pseudo-transformation is allowed by
* {@linkplain org.geotools.referencing.operation.DefaultCoordinateOperationFactory coordinate
* operation factory} only if it was created with
* {@link org.geotools.factory.Hints#LENIENT_DATUM_SHIFT} set to {@link Boolean#TRUE}.
*
* @see org.opengis.referencing.operation.Transformation#getPositionalAccuracy
* @see org.geotools.referencing.operation.AbstractCoordinateOperationFactory#ELLIPSOID_SHIFT
*/
public static final PositionalAccuracy DATUM_SHIFT_OMITTED;
static {
// TODO: localize.
final InternationalString desc = new SimpleInternationalString("Transformation accuracy");
final InternationalString eval = new SimpleInternationalString("Is a datum shift method applied?");
final ConformanceResultImpl pass = new ConformanceResultImpl(Citations.GEOTOOLS, eval, true );
final ConformanceResultImpl fail = new ConformanceResultImpl(Citations.GEOTOOLS, eval, false);
pass.freeze();
fail.freeze();
final PositionalAccuracyImpl APPLIED, OMITTED;
DATUM_SHIFT_APPLIED = APPLIED = new AbsoluteExternalPositionalAccuracyImpl(pass);
DATUM_SHIFT_OMITTED = OMITTED = new AbsoluteExternalPositionalAccuracyImpl(fail);
APPLIED.setMeasureDescription(desc);
OMITTED.setMeasureDescription(desc);
APPLIED.setEvaluationMethodDescription(eval);
OMITTED.setEvaluationMethodDescription(eval);
APPLIED.setEvaluationMethodType(EvaluationMethodType.DIRECT_INTERNAL);
OMITTED.setEvaluationMethodType(EvaluationMethodType.DIRECT_INTERNAL);
APPLIED.freeze();
OMITTED.freeze();
}
/**
* Constructs an initially empty positional accuracy.
*/
public PositionalAccuracyImpl() {
}
/**
* Constructs a metadata entity initialized with the values from the specified metadata.
*
* @since 2.4
*/
public PositionalAccuracyImpl(final PositionalAccuracy source) {
super(source);
}
/**
* Creates an positional accuracy initialized to the given result.
*/
public PositionalAccuracyImpl(final Result result) {
super(result);
}
}