aboutsummaryrefslogtreecommitdiff
path: root/src/projections/wink2.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/projections/wink2.cpp')
-rw-r--r--src/projections/wink2.cpp14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/projections/wink2.cpp b/src/projections/wink2.cpp
index 7fd08649..d457f842 100644
--- a/src/projections/wink2.cpp
+++ b/src/projections/wink2.cpp
@@ -6,7 +6,7 @@
#include "proj.h"
#include "proj_internal.h"
-PROJ_HEAD(wink2, "Winkel II") "\n\tPCyl, Sph, no inv\n\tlat_1=";
+PROJ_HEAD(wink2, "Winkel II") "\n\tPCyl, Sph\n\tlat_1=";
namespace { // anonymous namespace
struct pj_opaque {
@@ -41,6 +41,16 @@ static PJ_XY wink2_s_forward (PJ_LP lp, PJ *P) { /* Spheroidal, forwar
return xy;
}
+static PJ_LP wink2_s_inverse(PJ_XY xy, PJ *P)
+{
+ PJ_LP lpInit;
+
+ lpInit.phi = xy.y;
+ lpInit.lam = xy.x;
+
+ return pj_generic_inverse_2d(xy, P, lpInit);
+}
+
PJ *PROJECTION(wink2) {
struct pj_opaque *Q = static_cast<struct pj_opaque*>(pj_calloc (1, sizeof (struct pj_opaque)));
@@ -50,8 +60,8 @@ PJ *PROJECTION(wink2) {
static_cast<struct pj_opaque*>(P->opaque)->cosphi1 = cos(pj_param(P->ctx, P->params, "rlat_1").f);
P->es = 0.;
- P->inv = nullptr;
P->fwd = wink2_s_forward;
+ P->inv = wink2_s_inverse;
return P;
}