Fixed rHealpix projection, closing OSGeo#1206.

pelson · Dec 21, 2018 · 63f8580 · 63f8580
1 parent f3134c2
commit 63f8580
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/PJ_healpix.c b/src/PJ_healpix.c
@@ -500,7 +500,7 @@ static XY combine_caps(double x, double y, int north_square, int south_square,
         /* Workaround cppcheck git issue */
         double* pa = a;
         pa[0] = -3*M_FORTPI + ((inverse == 0) ? 0 : capmap.cn) *M_HALFPI;
-        pa[1] = M_HALFPI;
+        pa[1] = ((capmap.region == north) ? 1 : -1) *M_HALFPI;
         vector_add(ret_dot, a, vector);
     }