diff --git a/dist/footprint.html b/dist/footprint.html
index 6a2234ea..4e6e995c 100644
--- a/dist/footprint.html
+++ b/dist/footprint.html
@@ -27,13 +27,14 @@
         aladin = A.aladin('#aladin-lite-div', {target: 'M 1', fov: 0.2});
         var overlay = A.graphicOverlay({color: '#ee2345', lineWidth: 3});
         aladin.addOverlay(overlay);
-        overlay.addFootprints([A.polygon([[83.64287, 22.01713], [83.59872, 22.01692], [83.59852, 21.97629], [83.64295, 21.97629]]), A.polygon([[83.62807, 22.06330], [83.58397, 22.02280], [83.62792, 22.02258]])]);
+        overlay.addFootprints([
+            A.polygon([[83.64287, 22.01713], [83.59872, 22.01692], [83.59852, 21.97629], [83.64295, 21.97629]]),
+            A.polygon([[83.62807, 22.06330], [83.58397, 22.02280], [83.62792, 22.02258]]),
+            A.polygon([[8.62807, 220.06330], [83.58397, 10.02280], [150.62792, 87.02258]])
+        ]);
         overlay.add(A.circle(83.66067, 22.03081, 0.04, {color: 'cyan'})); // radius in degrees
     });
 
-
-
-
 </script>
 </body>
 </html>
diff --git a/src/core/src/line.rs b/src/core/src/line.rs
index fea1aa6a..75778ffb 100644
--- a/src/core/src/line.rs
+++ b/src/core/src/line.rs
@@ -62,7 +62,6 @@ fn subdivide<P: Projection>(
                     vertices.push(b);
                     vertices.push(c);
                 }
-            //return;
             } else {
                 // Subdivide a->b and b->c
                 subdivide::<P>(
@@ -78,13 +77,43 @@ fn subdivide<P: Projection>(
                 );
             }
         }
-        (Some(a), Some(b), None) => {
-            vertices.push(a);
-            vertices.push(b);
+        (Some(_), Some(_), None) => {
+            // relay the subdivision to the first half
+            subdivide::<P>(
+                vertices,
+                [mp[0], &((mp[0] + mp[1]) * 0.5).normalize(), mp[1]],
+                camera,
+            );
+
+            // and try subdividing a little further 
+            // hoping that the projection is defined for e
+            let e = (mp[1] + mp[2]) * 0.5;
+            subdivide::<P>(
+                vertices,
+                [mp[1], &((mp[1] + e) * 0.5).normalize(), &e],
+                camera,
+            );
+            //vertices.push(a);
+            //vertices.push(b);
         }
-        (None, Some(b), Some(c)) => {
-            vertices.push(b);
-            vertices.push(c);
+        (None, Some(_), Some(_)) => {
+            // relay the subdivision to the second half
+            subdivide::<P>(
+                vertices,
+                [mp[1], &((mp[1] + mp[2]) * 0.5).normalize(), mp[2]],
+                camera,
+            );
+
+            // and try subdividing a little further 
+            // hoping that the projection is defined for e
+            let e = (mp[0] + mp[1]) * 0.5;
+            subdivide::<P>(
+                vertices,
+                [&e, &((mp[1] + e) * 0.5).normalize(), &mp[1]],
+                camera,
+            );
+            //vertices.push(b);
+            //vertices.push(c);
         }
         _ => (),
     }