diff options
Diffstat (limited to 'src/3rdparty/proj/PJ_fouc_s.c')
-rw-r--r-- | src/3rdparty/proj/PJ_fouc_s.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/src/3rdparty/proj/PJ_fouc_s.c b/src/3rdparty/proj/PJ_fouc_s.c deleted file mode 100644 index dee05a96..00000000 --- a/src/3rdparty/proj/PJ_fouc_s.c +++ /dev/null @@ -1,45 +0,0 @@ -#define PROJ_PARMS__ \ - double n, n1; -#define PJ_LIB__ -#include <projects.h> -PROJ_HEAD(fouc_s, "Foucaut Sinusoidal") "\n\tPCyl., Sph."; -#define MAX_ITER 10 -#define LOOP_TOL 1e-7 -FORWARD(s_forward); /* spheroid */ - double t; - - t = cos(lp.phi); - xy.x = lp.lam * t / (P->n + P->n1 * t); - xy.y = P->n * lp.phi + P->n1 * sin(lp.phi); - return (xy); -} -INVERSE(s_inverse); /* spheroid */ - double V; - int i; - - if (P->n) { - lp.phi = xy.y; - for (i = MAX_ITER; i ; --i) { - lp.phi -= V = (P->n * lp.phi + P->n1 * sin(lp.phi) - xy.y ) / - (P->n + P->n1 * cos(lp.phi)); - if (fabs(V) < LOOP_TOL) - break; - } - if (!i) - lp.phi = xy.y < 0. ? -HALFPI : HALFPI; - } else - lp.phi = aasin(xy.y); - V = cos(lp.phi); - lp.lam = xy.x * (P->n + P->n1 * V) / V; - return (lp); -} -FREEUP; if (P) pj_dalloc(P); } -ENTRY0(fouc_s) - P->n = pj_param(P->params, "dn").f; - if (P->n < 0. || P->n > 1.) - E_ERROR(-99) - P->n1 = 1. - P->n; - P->es = 0; - P->inv = s_inverse; - P->fwd = s_forward; -ENDENTRY(P) |