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| author | Kristian Evers <kristianevers@gmail.com> | 2016-04-27 23:06:12 +0200 |
|---|---|---|
| committer | Kristian Evers <kristianevers@gmail.com> | 2016-04-27 23:06:12 +0200 |
| commit | b9cb845c8f9e552406bc28207211e32937487905 (patch) | |
| tree | 146dd89bba8792858333f2d197aa88036a44e768 /src | |
| parent | 59e147128033c6c2d859b948af7859e13e0f1bc1 (diff) | |
| download | PROJ-b9cb845c8f9e552406bc28207211e32937487905.tar.gz PROJ-b9cb845c8f9e552406bc28207211e32937487905.zip | |
Converted larr
Diffstat (limited to 'src')
| -rw-r--r-- | src/PJ_aea.c | 1 | ||||
| -rw-r--r-- | src/PJ_larr.c | 77 |
2 files changed, 67 insertions, 11 deletions
diff --git a/src/PJ_aea.c b/src/PJ_aea.c index fb9cc1d0..7e68de93 100644 --- a/src/PJ_aea.c +++ b/src/PJ_aea.c @@ -362,7 +362,6 @@ int pj_geocent_selftest (void) {return 10000;} int pj_gs48_selftest (void) {return 10000;} int pj_gs50_selftest (void) {return 10000;} -int pj_larr_selftest (void) {return 10000;} int pj_lask_selftest (void) {return 10000;} int pj_latlon_selftest (void) {return 10000;} int pj_latlong_selftest (void) {return 10000;} diff --git a/src/PJ_larr.c b/src/PJ_larr.c index 118bef00..f55289b1 100644 --- a/src/PJ_larr.c +++ b/src/PJ_larr.c @@ -1,13 +1,70 @@ -#define PROJ_PARMS__ #define PJ_LIB__ -#include <projects.h> +#include <projects.h> + PROJ_HEAD(larr, "Larrivee") "\n\tMisc Sph, no inv."; + #define SIXTH .16666666666666666 -FORWARD(s_forward); /* sphere */ - (void) P; - xy.x = 0.5 * lp.lam * (1. + sqrt(cos(lp.phi))); - xy.y = lp.phi / (cos(0.5 * lp.phi) * cos(SIXTH * lp.lam)); - return (xy); -} -FREEUP; if (P) pj_dalloc(P); } -ENTRY0(larr) P->fwd = s_forward; P->inv = 0; P->es = 0.; ENDENTRY(P) + + +static XY s_forward (LP lp, PJ *P) { /* Spheroidal, forward */ + XY xy = {0.0,0.0}; + (void) P; + + xy.x = 0.5 * lp.lam * (1. + sqrt(cos(lp.phi))); + xy.y = lp.phi / (cos(0.5 * lp.phi) * cos(SIXTH * lp.lam)); + return xy; +} + + +static void *freeup_new (PJ *P) { /* Destructor */ + if (0==P) + return 0; + + return pj_dealloc(P); +} + + +static void freeup (PJ *P) { + freeup_new (P); + return; +} + + +PJ *PROJECTION(larr) { + + P->es = 0; + P->fwd = s_forward; + + return P; +} + + +#ifdef PJ_OMIT_SELFTEST +int pj_larr_selftest (void) {return 0;} +#else + +int pj_larr_selftest (void) { + double tolerance_lp = 1e-10; + double tolerance_xy = 1e-7; + + char s_args[] = {"+proj=larr +a=6400000 +lat_1=0.5 +lat_2=2"}; + + LP fwd_in[] = { + { 2, 1}, + { 2,-1}, + {-2, 1}, + {-2,-1} + }; + + XY s_fwd_expect[] = { + {223393.637624200899, 111707.215961255497}, + {223393.637624200899, -111707.215961255497}, + {-223393.637624200899, 111707.215961255497}, + {-223393.637624200899, -111707.215961255497}, + }; + + return pj_generic_selftest (0, s_args, tolerance_xy, tolerance_lp, 4, 4, fwd_in, 0, s_fwd_expect, 0, 0, 0); +} + + +#endif |
