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For interconverting spatial locations between representations
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// SRM SDK Release 4.4.0 - January 21, 2010

// - SRM spec. 4.4

/*
 *                             NOTICE
 * 
 * This software is provided openly and freely for use in representing and
 * interchanging environmental data & databases.
 * 
 * This software was developed for use by the United States Government with
 * unlimited rights.  The software was developed under contract
 * DASG60-02-D-0006 TO-193 by Science Applications International Corporation.
 * The software is unclassified and is deemed as Distribution A, approved
 * for Public Release.
 * 
 * Use by others is permitted only upon the ACCEPTANCE OF THE TERMS AND
 * CONDITIONS, AS STIPULATED UNDER THE FOLLOWING PROVISIONS:
 * 
 *    1. Recipient may make unlimited copies of this software and give
 *       copies to other persons or entities as long as the copies contain
 *       this NOTICE, and as long as the same copyright notices that
 *       appear on, or in, this software remain.
 * 
 *    2. Trademarks. All trademarks belong to their respective trademark
 *       holders.  Third-Party applications/software/information are
 *       copyrighted by their respective owners.
 * 
 *    3. Recipient agrees to forfeit all intellectual property and
 *       ownership rights for any version created from the modification
 *       or adaptation of this software, including versions created from
 *       the translation and/or reverse engineering of the software design.
 * 
 *    4. Transfer.  Recipient may not sell, rent, lease, or sublicense
 *       this software.  Recipient may, however enable another person
 *       or entity the rights to use this software, provided that this
 *       AGREEMENT and NOTICE is furnished along with the software and
 *       /or software system utilizing this software.
 * 
 *       All revisions, modifications, created by the Recipient, to this
 *       software and/or related technical data shall be forwarded by the
 *       Recipient to the Government at the following address:
 * 
 *         SMDC
 *         Attention SEDRIS (TO193) TPOC
 *         P.O. Box 1500
 *         Huntsville, AL  35807-3801
 * 
 *         or via electronic mail to:  [email protected]
 * 
 *    5. No Warranty. This software is being delivered to you AS IS
 *       and there is no warranty, EXPRESS or IMPLIED, as to its use
 *       or performance.
 * 
 *       The RECIPIENT ASSUMES ALL RISKS, KNOWN AND UNKNOWN, OF USING
 *       THIS SOFTWARE.  The DEVELOPER EXPRESSLY DISCLAIMS, and the
 *       RECIPIENT WAIVES, ANY and ALL PERFORMANCE OR RESULTS YOU MAY
 *       OBTAIN BY USING THIS SOFTWARE OR DOCUMENTATION.  THERE IS
 *       NO WARRANTY, EXPRESS OR, IMPLIED, AS TO NON-INFRINGEMENT OF
 *       THIRD PARTY RIGHTS, MERCHANTABILITY, OR FITNESS FOR ANY
 *       PARTICULAR PURPOSE.  IN NO EVENT WILL THE DEVELOPER, THE
 *       UNITED STATES GOVERNMENT OR ANYONE ELSE ASSOCIATED WITH THE
 *       DEVELOPMENT OF THIS SOFTWARE BE HELD LIABLE FOR ANY CONSEQUENTIAL,
 *       INCIDENTAL OR SPECIAL DAMAGES, INCLUDING ANY LOST PROFITS
 *       OR LOST SAVINGS WHATSOEVER.
 */

/*
 * COPYRIGHT 2010, SCIENCE APPLICATIONS INTERNATIONAL CORPORATION.
 *                 ALL RIGHTS RESERVED.
 * 
 */

// SRM_OTHERS_GOES_HERE

/**
@author David Shen
*/

package SRM;

class HaecConv extends SphereConv
{
    protected HaecConv()
    {
        // setting the source and destinations of this conversion object
        super (SRM_SRFT_Code.SRFTCOD_HELIOSPHERIC_ARIES_ECLIPTIC,
               new SRM_SRFT_Code[] {SRM_SRFT_Code.SRFTCOD_CELESTIOCENTRIC,
                                    SRM_SRFT_Code.SRFTCOD_UNSPECIFIED });
    }

    protected Conversions makeClone()
    {
        return (Conversions) new HaecConv();
    }

/*
 *----------------------------------------------------------------------------
 *
 * Conversion dispatcher
 *
 *----------------------------------------------------------------------------
 */
    protected SRM_Coordinate_Valid_Region_Code convert
    (
        SRM_SRFT_Code        destSrfType,
        BaseSRF              srcSrf,
        BaseSRF              destSrf,
        double[]             src,
        double[]             dest,
        SRM_ORM_Trans_Params hst
    ) throws SrmException
    {
        SRM_Coordinate_Valid_Region_Code retValid =
            SRM_Coordinate_Valid_Region_Code.COORDVALRGN_VALID;

        if (destSrfType == SRM_SRFT_Code.SRFTCOD_CELESTIOCENTRIC)
        {
            // perform pre validation
            retValid = CoordCheck.forSpherical(src);
            toCcen(srcSrf, destSrf, src, dest);
        }
        else if (destSrfType == SRM_SRFT_Code.SRFTCOD_UNSPECIFIED)
        {
            // Just pass the coordinate through.
            //  This is the last conversion of chain
            dest[0] = src[0];
            dest[1] = src[1];
            dest[2] = src[2];
        }
        return retValid;
    }
}