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| author | Alex <qt-info@nokia.com> | 2011-05-06 12:59:37 +1000 |
|---|---|---|
| committer | Alex <qt-info@nokia.com> | 2011-05-06 12:59:37 +1000 |
| commit | 31a6300090cf085c55ff43a999bdc8455d2f4b1b (patch) | |
| tree | 75e7471720555ddd9409a58458faa48342583348 /src/3rdparty/proj/PJ_gall.c | |
| parent | 336c5619c03cd338142f827ffcdaca855e35096c (diff) | |
| download | qtlocation-31a6300090cf085c55ff43a999bdc8455d2f4b1b.tar.gz | |
add snapshot of 3rdparty Proj library
support library for QtLocation
Diffstat (limited to 'src/3rdparty/proj/PJ_gall.c')
| -rw-r--r-- | src/3rdparty/proj/PJ_gall.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/3rdparty/proj/PJ_gall.c b/src/3rdparty/proj/PJ_gall.c new file mode 100644 index 00000000..3c507bd0 --- /dev/null +++ b/src/3rdparty/proj/PJ_gall.c @@ -0,0 +1,19 @@ +#define PJ_LIB__ +#include <projects.h> +PROJ_HEAD(gall, "Gall (Gall Stereographic)") "\n\tCyl, Sph"; +#define YF 1.70710678118654752440 +#define XF 0.70710678118654752440 +#define RYF 0.58578643762690495119 +#define RXF 1.41421356237309504880 +FORWARD(s_forward); /* spheroid */ + xy.x = XF * lp.lam; + xy.y = YF * tan(.5 * lp.phi); + return (xy); +} +INVERSE(s_inverse); /* spheroid */ + lp.lam = RXF * xy.x; + lp.phi = 2. * atan(xy.y * RYF); + return (lp); +} +FREEUP; if (P) pj_dalloc(P); } +ENTRY0(gall) P->es = 0.; P->inv = s_inverse; P->fwd = s_forward; ENDENTRY(P) |