diff options
Diffstat (limited to 'src/3rdparty/proj/PJ_denoy.c')
| -rw-r--r-- | src/3rdparty/proj/PJ_denoy.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/3rdparty/proj/PJ_denoy.c b/src/3rdparty/proj/PJ_denoy.c new file mode 100644 index 00000000..8b800318 --- /dev/null +++ b/src/3rdparty/proj/PJ_denoy.c @@ -0,0 +1,18 @@ +#define PJ_LIB__ +#include <projects.h> +PROJ_HEAD(denoy, "Denoyer Semi-Elliptical") "\n\tPCyl., no inv., Sph."; +#define C0 0.95 +#define C1 -.08333333333333333333 +#define C3 .00166666666666666666 +#define D1 0.9 +#define D5 0.03 +FORWARD(s_forward); /* spheroid */ + 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); +} +FREEUP; if (P) pj_dalloc(P); } +ENTRY0(denoy) P->es = 0.; P->fwd = s_forward; ENDENTRY(P) |