ignoring polygons with less than 3 points

kartograph · May 15, 2012 · 8225f6d · 8225f6d
1 parent 0fce1e0
commit 8225f6d
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/kartograph/geometry/feature/MultiPolygonFeature.py b/kartograph/geometry/feature/MultiPolygonFeature.py
@@ -149,10 +149,13 @@ def restore_geometry(self, lines):
             print len(ext),
             holes = []
             while num_hole > 0:
-                holes.append(ring_iter.next())
+                hole = ring_iter.next()
+                if len(hole) > 3:
+                    holes.append(hole)
                 holes_total += 1
                 num_hole -= 1
-            polygons.append(Polygon(ext, holes))
+            if len(ext) > 3:
+                polygons.append(Polygon(ext, holes))
         print '\t %d polygons \t %d rings \t %d holes' % (len(polygons), len(rings), holes_total)
         self.geometry = MultiPolygon(polygons)