Application: gvSIG desktop » gvSIG 3D

/******************************************************************************

 * $Id: pj_geocent.c,v 1.1 2002/12/14 20:13:21 warmerda Exp $

 *

 * Project:  PROJ.4

 * Purpose:  Stub projection for geocentric.  The transformation isn't

 *           really done here since this code is 2D.  The real transformation

 *           is handled by pj_transform.c.

 * Author:   Frank Warmerdam, warmerdam@pobox.com

 *

 ******************************************************************************

 * Copyright (c) 2002, Frank Warmerdam

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included

 * in all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

 * DEALINGS IN THE SOFTWARE.

 ******************************************************************************

 *

 * $Log: pj_geocent.c,v $

 * Revision 1.1  2002/12/14 20:13:21  warmerda

 * New

 *

 */

#define PJ_LIB__

#include <projects.h>

PJ_CVSID("$Id: pj_geocent.c,v 1.1 2002/12/14 20:13:21 warmerda Exp $");

PROJ_HEAD(geocent, "Geocentric")  "\n\t";

FORWARD(forward);

        xy.x = lp.lam;

        xy.y = lp.phi;

        return xy;

}

INVERSE(inverse);

        lp.phi = xy.y;

        lp.lam = xy.x;

        return lp;

}

FREEUP; if (P) pj_dalloc(P); }

ENTRY0(geocent)

    P->is_geocent = 1;

    P->x0 = 0.0;

    P->y0 = 0.0;

    P->inv = inverse; P->fwd = forward;

ENDENTRY(P)