From df574ae332d57f556fd56314883b3354cab1d0ff Mon Sep 17 00:00:00 2001 From: Even Rouault Date: Wed, 19 Dec 2018 13:00:37 +0100 Subject: cpp conversion: remove useless pj_, PJ_ and proj_ filename prefixes --- src/projections/lask.cpp | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/projections/lask.cpp (limited to 'src/projections/lask.cpp') diff --git a/src/projections/lask.cpp b/src/projections/lask.cpp new file mode 100644 index 00000000..46f23edb --- /dev/null +++ b/src/projections/lask.cpp @@ -0,0 +1,39 @@ +#define PJ_LIB__ +#include "projects.h" + +PROJ_HEAD(lask, "Laskowski") "\n\tMisc Sph, no inv"; + +#define a10 0.975534 +#define a12 -0.119161 +#define a32 -0.0143059 +#define a14 -0.0547009 +#define b01 1.00384 +#define b21 0.0802894 +#define b03 0.0998909 +#define b41 0.000199025 +#define b23 -0.0285500 +#define b05 -0.0491032 + + +static XY s_forward (LP lp, PJ *P) { /* Spheroidal, forward */ + XY xy = {0.0,0.0}; + double l2, p2; + (void) P; + + l2 = lp.lam * lp.lam; + p2 = lp.phi * lp.phi; + xy.x = lp.lam * (a10 + p2 * (a12 + l2 * a32 + p2 * a14)); + xy.y = lp.phi * (b01 + l2 * (b21 + p2 * b23 + l2 * b41) + + p2 * (b03 + p2 * b05)); + return xy; +} + + +PJ *PROJECTION(lask) { + + P->fwd = s_forward; + P->es = 0.; + + return P; +} + -- cgit v1.2.3