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+/******************************************************************************
+ * 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.
+ *****************************************************************************/
+
+#define PJ_LIB__
+#include "projects.h"
+
+PROJ_HEAD(geocent, "Geocentric") "\n\t";
+
+static XY forward(LP lp, PJ *P) {
+ XY xy = {0.0,0.0};
+ (void) P;
+ xy.x = lp.lam;
+ xy.y = lp.phi;
+ return xy;
+}
+
+static LP inverse(XY xy, PJ *P) {
+ LP lp = {0.0,0.0};
+ (void) P;
+ lp.phi = xy.y;
+ lp.lam = xy.x;
+ return lp;
+}
+
+PJ *CONVERSION (geocent, 0) {
+ P->is_geocent = 1;
+ P->x0 = 0.0;
+ P->y0 = 0.0;
+ P->inv = inverse;
+ P->fwd = forward;
+ P->left = PJ_IO_UNITS_ANGULAR;
+ P->right = PJ_IO_UNITS_CARTESIAN;
+
+ return P;
+}
+