001    /*
002     *    GeoAPI - Java interfaces for OGC/ISO standards
003     *    http://www.geoapi.org
004     *
005     *    Copyright (C) 2004-2012 Open Geospatial Consortium, Inc.
006     *    All Rights Reserved. http://www.opengeospatial.org/ogc/legal
007     *
008     *    Permission to use, copy, and modify this software and its documentation, with
009     *    or without modification, for any purpose and without fee or royalty is hereby
010     *    granted, provided that you include the following on ALL copies of the software
011     *    and documentation or portions thereof, including modifications, that you make:
012     *
013     *    1. The full text of this NOTICE in a location viewable to users of the
014     *       redistributed or derivative work.
015     *    2. Notice of any changes or modifications to the OGC files, including the
016     *       date changes were made.
017     *
018     *    THIS SOFTWARE AND DOCUMENTATION IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE
019     *    NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
020     *    TO, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT
021     *    THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY
022     *    PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
023     *
024     *    COPYRIGHT HOLDERS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR
025     *    CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR DOCUMENTATION.
026     *
027     *    The name and trademarks of copyright holders may NOT be used in advertising or
028     *    publicity pertaining to the software without specific, written prior permission.
029     *    Title to copyright in this software and any associated documentation will at all
030     *    times remain with copyright holders.
031     */
032    package org.opengis.geometry.coordinate;
033    
034    import java.util.List;
035    import org.opengis.geometry.primitive.CurveSegment;
036    import org.opengis.annotation.UML;
037    
038    import static org.opengis.annotation.Obligation.*;
039    import static org.opengis.annotation.Specification.*;
040    
041    
042    /**
043     * Root for subtypes of {@linkplain CurveSegment curve segment} using some version of spline,
044     * either polynomial or rational functions.
045     *
046     * @version <A HREF="http://www.opengeospatial.org/standards/as">ISO 19107</A>
047     * @author Martin Desruisseaux (IRD)
048     * @since GeoAPI 2.0
049     */
050    @UML(identifier="GM_SplineCurve", specification=ISO_19107)
051    public interface SplineCurve extends CurveSegment {
052        /**
053         * The sequence of distinct knots used to define the spline basis functions.
054         * Recall that the knot data type holds information on knot multiplicity.
055         */
056        @UML(identifier="knot", obligation=MANDATORY, specification=ISO_19107)
057        List<Knot> getKnots();
058    
059        /**
060         * The degree of the polynomial used for interpolation in a
061         * {@linkplain PolynomialSpline polynomial spline}.
062         */
063        @UML(identifier="degree", obligation=MANDATORY, specification=ISO_19107)
064        int getDegree();
065    
066        /**
067         * An array of points that are used in the interpolation in this spline curve.
068         */
069        @UML(identifier="controlPoints", obligation=MANDATORY, specification=ISO_19107)
070        PointArray getControlPoints();
071    }