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authorThomas Knudsen <lastname DOT firstname AT gmail DOT com>2016-04-12 17:25:22 +0200
committerThomas Knudsen <lastname DOT firstname AT gmail DOT com>2016-04-12 17:25:22 +0200
commit86a3221bdc26ea2cdbe85fcf270263ce02fef0e6 (patch)
tree3d50ff375a58f75a9f6ff0e4d8d9f957449318fc /src/PJ_wag2.c
parentf50841c72455fe01c3d7a3310c1eba9b5eec40b8 (diff)
downloadPROJ-86a3221bdc26ea2cdbe85fcf270263ce02fef0e6.tar.gz
PROJ-86a3221bdc26ea2cdbe85fcf270263ce02fef0e6.zip
refactoring + added selftest for 8 more projections
calcofi, cass,cc,wag2, wag3, wag7, wink1, wink2
Diffstat (limited to 'src/PJ_wag2.c')
-rw-r--r--src/PJ_wag2.c81
1 files changed, 74 insertions, 7 deletions
diff --git a/src/PJ_wag2.c b/src/PJ_wag2.c
index f4942bb2..b70dcd4f 100644
--- a/src/PJ_wag2.c
+++ b/src/PJ_wag2.c
@@ -5,17 +5,84 @@ PROJ_HEAD(wag2, "Wagner II") "\n\tPCyl., Sph.";
#define C_y 1.38725
#define C_p1 0.88022
#define C_p2 0.88550
-FORWARD(s_forward); /* spheroid */
- lp.phi = aasin(P->ctx,C_p1 * sin(C_p2 * lp.phi));
- xy.x = C_x * lp.lam * cos(lp.phi);
+
+
+static XY s_forward (LP lp, PJ *P) { /* Spheroidal, forward */
+ XY xy = {0.0,0.0};
+ lp.phi = aasin (P->ctx,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 */
+
+
+static LP s_inverse (XY xy, PJ *P) { /* Spheroidal, inverse */
+ LP lp = {0.0,0.0};
lp.phi = xy.y / C_y;
lp.lam = xy.x / (C_x * cos(lp.phi));
- lp.phi = aasin(P->ctx,sin(lp.phi) / C_p1) / C_p2;
+ lp.phi = aasin (P->ctx,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)
+
+
+static void *freeup_new (PJ *P) { /* Destructor */
+ return pj_dealloc(P);
+}
+
+static void freeup (PJ *P) {
+ freeup_new (P);
+ return;
+}
+
+
+PJ *PROJECTION(wag2) {
+ P->es = 0.;
+ P->inv = s_inverse;
+ P->fwd = s_forward;
+ return P;
+}
+
+
+#ifdef PJ_OMIT_SELFTEST
+int pj_wag2_selftest (void) {return 0;}
+#else
+
+int pj_wag2_selftest (void) {
+ double tolerance_lp = 1e-10;
+ double tolerance_xy = 1e-7;
+
+ char s_args[] = {"+proj=wag2 +a=6400000 +lat_1=0.5 +lat_2=2"};
+
+ LP fwd_in[] = {
+ { 2, 1},
+ { 2,-1},
+ {-2, 1},
+ {-2,-1}
+ };
+
+ XY s_fwd_expect[] = {
+ { 206589.88809996162, 120778.04035754716},
+ { 206589.88809996162, -120778.04035754716},
+ {-206589.88809996162, 120778.04035754716},
+ {-206589.88809996162, -120778.04035754716},
+ };
+
+ XY inv_in[] = {
+ { 200, 100},
+ { 200,-100},
+ {-200, 100},
+ {-200,-100}
+ };
+
+ LP s_inv_expect[] = {
+ { 0.0019360240367390709, 0.00082795765763814082},
+ { 0.0019360240367390709, -0.00082795765763814082},
+ {-0.0019360240367390709, 0.00082795765763814082},
+ {-0.0019360240367390709, -0.00082795765763814082},
+ };
+
+ return pj_generic_selftest (0, s_args, tolerance_xy, tolerance_lp, 4, 4, fwd_in, 0, s_fwd_expect, inv_in, 0, s_inv_expect);
+}
+
+
+#endif