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| author | Even Rouault <even.rouault@spatialys.com> | 2018-12-19 12:25:33 +0100 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2018-12-26 10:08:54 +0100 |
| commit | e6de172371ea203f6393d745641d66c82b5b13e2 (patch) | |
| tree | 791fa07f431a2d1db6f6e813ab984db982587278 /src/projections/PJ_denoy.cpp | |
| parent | ce8075076b4e4ffebd32afaba419e1d9ab27cd03 (diff) | |
| download | PROJ-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.cpp | 32 |
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; +} |
