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authorEven Rouault <even.rouault@spatialys.com>2018-12-19 13:00:37 +0100
committerEven Rouault <even.rouault@spatialys.com>2018-12-26 10:08:55 +0100
commitdf574ae332d57f556fd56314883b3354cab1d0ff (patch)
tree63a68d40d7ed7932d6329d9c7baa340bb6294f7f /src/projections/times.cpp
parente6de172371ea203f6393d745641d66c82b5b13e2 (diff)
downloadPROJ-df574ae332d57f556fd56314883b3354cab1d0ff.tar.gz
PROJ-df574ae332d57f556fd56314883b3354cab1d0ff.zip
cpp conversion: remove useless pj_, PJ_ and proj_ filename prefixes
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diff --git a/src/projections/times.cpp b/src/projections/times.cpp
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+/******************************************************************************
+ * Project: PROJ.4
+ * Purpose: Implementation of the Times projection.
+ * Author: Kristian Evers <kristianevers@gmail.com>
+ *
+ ******************************************************************************
+ * Copyright (c) 2016, Kristian Evers
+ *
+ * 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.
+ *****************************************************************************
+ * Based on describtion of the Times Projection in
+ *
+ * Flattening the Earth, Snyder, J.P., 1993, p.213-214.
+ *****************************************************************************/
+
+#define PJ_LIB__
+
+#include <math.h>
+
+#include "projects.h"
+
+PROJ_HEAD(times, "Times") "\n\tCyl, Sph";
+
+static XY s_forward (LP lp, PJ *P) { /* Spheroidal, forward */
+ double T, S, S2;
+ XY xy = {0.0,0.0};
+ (void) P;
+
+ T = tan(lp.phi/2.0);
+ S = sin(M_FORTPI * T);
+ S2 = S*S;
+
+ xy.x = lp.lam * (0.74482 - 0.34588*S2);
+ xy.y = 1.70711 * T;
+
+ return xy;
+}
+
+
+static LP s_inverse (XY xy, PJ *P) { /* Spheroidal, inverse */
+ double T, S, S2;
+ LP lp = {0.0,0.0};
+ (void) P;
+
+ T = xy.y / 1.70711;
+ S = sin(M_FORTPI * T);
+ S2 = S*S;
+
+ lp.lam = xy.x / (0.74482 - 0.34588 * S2);
+ lp.phi = 2 * atan(T);
+
+ return lp;
+}
+
+
+PJ *PROJECTION(times) {
+ P->es = 0.0;
+
+ P->inv = s_inverse;
+ P->fwd = s_forward;
+
+ return P;
+}