diff options
Diffstat (limited to 'src/3rdparty/proj/PJ_eck2.c')
| -rw-r--r-- | src/3rdparty/proj/PJ_eck2.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/src/3rdparty/proj/PJ_eck2.c b/src/3rdparty/proj/PJ_eck2.c deleted file mode 100644 index f8e0154e..00000000 --- a/src/3rdparty/proj/PJ_eck2.c +++ /dev/null @@ -1,28 +0,0 @@ -#define PJ_LIB__ -# include <projects.h> -PROJ_HEAD(eck2, "Eckert II") "\n\tPCyl. Sph."; -#define FXC 0.46065886596178063902 -#define FYC 1.44720250911653531871 -#define C13 0.33333333333333333333 -#define ONEEPS 1.0000001 -FORWARD(s_forward); /* spheroid */ - xy.x = FXC * lp.lam * (xy.y = sqrt(4. - 3. * sin(fabs(lp.phi)))); - xy.y = FYC * (2. - xy.y); - if ( lp.phi < 0.) xy.y = -xy.y; - return (xy); -} -INVERSE(s_inverse); /* spheroid */ - lp.lam = xy.x / (FXC * ( lp.phi = 2. - fabs(xy.y) / FYC) ); - lp.phi = (4. - lp.phi * lp.phi) * C13; - if (fabs(lp.phi) >= 1.) { - if (fabs(lp.phi) > ONEEPS) I_ERROR - else - lp.phi = lp.phi < 0. ? -HALFPI : HALFPI; - } else - lp.phi = asin(lp.phi); - if (xy.y < 0) - lp.phi = -lp.phi; - return (lp); -} -FREEUP; if (P) pj_dalloc(P); } -ENTRY0(eck2); P->es = 0.; P->inv = s_inverse; P->fwd = s_forward; ENDENTRY(P) |