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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
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*
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* 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
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*
* 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
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* 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,
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* OR LOST SAVINGS WHATSOEVER.
*/
/*
* COPYRIGHT 2010, SCIENCE APPLICATIONS INTERNATIONAL CORPORATION.
* ALL RIGHTS RESERVED.
*
*/
// SRM_OTHERS_GOES_HERE
/**
@author David Shen
*/
package SRM;
class LceConv extends Conversions
{
private ToCcenConst _toCcenConst;
protected LceConv()
{
// setting the source and destinations of this conversion object
super (SRM_SRFT_Code.SRFTCOD_LOCOCENTRIC_EUCLIDEAN_3D,
new SRM_SRFT_Code[] {SRM_SRFT_Code.SRFTCOD_CELESTIOCENTRIC,
SRM_SRFT_Code.SRFTCOD_UNSPECIFIED });
}
protected Conversions makeClone()
{
return (Conversions) new LceConv();
}
/*
*----------------------------------------------------------------------------
*
* 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)
{
// pre validation - NO RESTRICTION
// compute destination
if (_toCcenConst == null)
_toCcenConst = new ToCcenConst(((SRF_LococentricEuclidean3D)
srcSrf).getSRFParameters());
for (int i = 0; i < 3; i++)
{
dest[i] =
_toCcenConst.lococentre[i] +
src[0]*_toCcenConst.primary_axis[i] +
src[1]*_toCcenConst.secondary_axis[i] +
src[2]*_toCcenConst.xprod_rs[i];
}
dest[3] = 0.0;
}
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;
}
/*
*----------------------------------------------------------------------------
*
* FUNCTION: toCcen
*
*----------------------------------------------------------------------------
*/
private class ToCcenConst
{
double[] lococentre = new double[3];
double[] primary_axis = new double[3];
double[] secondary_axis = new double[3];
double[] xprod_rs = new double[3];
public ToCcenConst(SRF_LCE_3D_Params params)
{
Const.vectCrossProd(params.primary_axis, params.secondary_axis,
xprod_rs);
for (int i=0; i<3; i++)
{
lococentre[i] = params.lococentre[i];
primary_axis[i] = params.primary_axis[i];
secondary_axis[i] = params.secondary_axis[i];
}
}
}
}