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authorEven Rouault <even.rouault@spatialys.com>2018-12-19 12:25:33 +0100
committerEven Rouault <even.rouault@spatialys.com>2018-12-26 10:08:54 +0100
commite6de172371ea203f6393d745641d66c82b5b13e2 (patch)
tree791fa07f431a2d1db6f6e813ab984db982587278 /src/projections/PJ_denoy.cpp
parentce8075076b4e4ffebd32afaba419e1d9ab27cd03 (diff)
downloadPROJ-e6de172371ea203f6393d745641d66c82b5b13e2.tar.gz
PROJ-e6de172371ea203f6393d745641d66c82b5b13e2.zip
cpp conversion: move source files in apps/ iso19111/ conversions/ projections/ transformations/ tests/ subdirectories
Diffstat (limited to 'src/projections/PJ_denoy.cpp')
-rw-r--r--src/projections/PJ_denoy.cpp32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/projections/PJ_denoy.cpp b/src/projections/PJ_denoy.cpp
new file mode 100644
index 00000000..5c337c45
--- /dev/null
+++ b/src/projections/PJ_denoy.cpp
@@ -0,0 +1,32 @@
+#define PJ_LIB__
+#include <math.h>
+
+#include "projects.h"
+
+PROJ_HEAD(denoy, "Denoyer Semi-Elliptical") "\n\tPCyl, no inv, Sph";
+
+#define C0 0.95
+#define C1 -0.08333333333333333333
+#define C3 0.00166666666666666666
+#define D1 0.9
+#define D5 0.03
+
+
+static XY s_forward (LP lp, PJ *P) { /* Spheroidal, forward */
+ XY xy = {0.0, 0.0};
+ (void) P;
+ xy.y = lp.phi;
+ xy.x = lp.lam;
+ lp.lam = fabs(lp.lam);
+ xy.x *= cos((C0 + lp.lam * (C1 + lp.lam * lp.lam * C3)) *
+ (lp.phi * (D1 + D5 * lp.phi * lp.phi * lp.phi * lp.phi)));
+ return xy;
+}
+
+
+PJ *PROJECTION(denoy) {
+ P->es = 0.0;
+ P->fwd = s_forward;
+
+ return P;
+}