Merge pull request #57 from awulkiew/fix/boost_polygon

Fix/boost polygon

include/boost/geometry/geometries/adapted/boost_polygon/ring.hpp

@@ -69,7 +69,26 @@ struct push_back<boost::polygon::polygon_data<CoordinateType> >
     }
 };
 
+template <typename CoordinateType>
+struct resize<boost::polygon::polygon_data<CoordinateType> >
+{
+    typedef boost::polygon::point_data<CoordinateType> point_type;
 
+    static inline void apply(boost::polygon::polygon_data<CoordinateType>& data,
+                             std::size_t new_size)
+    {
+        // Boost.Polygon's polygons are not resizable. So create a temporary vector,
+        // resize it and set it to the original. Of course: this is not efficient.
+        // But there seems no other way (without using a wrapper)
+        std::vector<point_type> temporary_vector
+            (
+                boost::polygon::begin_points(data),
+                boost::polygon::end_points(data)
+            );
+        temporary_vector.resize(new_size);
+        data.set(temporary_vector.begin(), temporary_vector.end());
+    }
+};
 
 
 } // namespace traits

test/geometries/Jamfile.v2

@@ -13,7 +13,7 @@ test-suite boost-geometry-geometries
     [ run adapted.cpp ]
     [ run boost_array_as_point.cpp ]
     [ run boost_fusion.cpp ]
-    # [ run boost_polygon.cpp ] 
+    [ run boost_polygon.cpp ] 
     [ run boost_range.cpp ]
     [ run boost_tuple.cpp ]
     [ run box.cpp ]