diff options
| author | Frank Warmerdam <warmerdam@pobox.com> | 1999-03-18 16:34:52 +0000 |
|---|---|---|
| committer | Frank Warmerdam <warmerdam@pobox.com> | 1999-03-18 16:34:52 +0000 |
| commit | 565a4bd035b9d4a83955808efef20f1d8dfa24cf (patch) | |
| tree | 75785fc897708023f1ccdaf40079afcbaaf0fd3a /src/PJ_wag2.c | |
| download | PROJ-565a4bd035b9d4a83955808efef20f1d8dfa24cf.tar.gz PROJ-565a4bd035b9d4a83955808efef20f1d8dfa24cf.zip | |
New
git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@776 4e78687f-474d-0410-85f9-8d5e500ac6b2
Diffstat (limited to 'src/PJ_wag2.c')
| -rw-r--r-- | src/PJ_wag2.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/PJ_wag2.c b/src/PJ_wag2.c new file mode 100644 index 00000000..d6a0e3f2 --- /dev/null +++ b/src/PJ_wag2.c @@ -0,0 +1,24 @@ +#ifndef lint +static const char SCCSID[]="@(#)PJ_wag2.c 4.1 94/02/15 GIE REL"; +#endif +#define PJ_LIB__ +# include <projects.h> +PROJ_HEAD(wag2, "Wagner II") "\n\tPCyl., Sph."; +#define C_x 0.92483 +#define C_y 1.38725 +#define C_p1 0.88022 +#define C_p2 0.88550 +FORWARD(s_forward); /* spheroid */ + lp.phi = aasin(C_p1 * sin(C_p2 * lp.phi)); + xy.x = C_x * lp.lam * cos(lp.phi); + xy.y = C_y * lp.phi; + return (xy); +} +INVERSE(s_inverse); /* spheroid */ + lp.phi = xy.y / C_y; + lp.lam = xy.x / (C_x * cos(lp.phi)); + lp.phi = aasin(sin(lp.phi) / C_p1) / C_p2; + return (lp); +} +FREEUP; if (P) pj_dalloc(P); } +ENTRY0(wag2) P->es = 0.; P->inv = s_inverse; P->fwd = s_forward; ENDENTRY(P) |