linestring.rb in nofxx-postgis_adapter-0.1.8

- old
+ new

@@ -15,22 +15,22 @@
     # of the geometry.
     #
     # Returns Float
     #
     def length
-      dis = postgis_calculate(:length, self)
+      dis = postgis_calculate(:length, self).to_f
     end
 
     #
     # Returns the 3-dimensional or 2-dimensional length of the geometry if it is
     # a linestring or multi-linestring. For 2-d lines it will just return the 2-d
     # length (same as 'length')
     #
     # Returns Float
     #
     def length_3d
-      dis = postgis_calculate(:length3d, self)
+      dis = postgis_calculate(:length3d, self).to_f
     end
 
     #
     # Calculates the length of a geometry on an ellipsoid. This is useful if the
     # coordinates of the geometry are in longitude/latitude and a length is
@@ -47,11 +47,11 @@
     #   SPHEROID["IERS_2003",6378136.6,298.25642]
     #
     # Returns Float length_spheroid(geometry linestring, spheroid);
     #
     def length_spheroid(spheroid = EARTH_SPHEROID)
-      dis = postgis_calculate(:length_spheroid, self, spheroid)
+      dis = postgis_calculate(:length_spheroid, self, spheroid).to_f
     end
 
     #
     # Return the number of points of the geometry.
     # PostGis ST_NumPoints does not work as nov/08
@@ -102,10 +102,10 @@
     # This is useful for approximating numbers of addresses.
     #
     # Returns float (0 to 1) ST_Line_Locate_Point(geometry a_linestring, geometry a_point);
     #
     def locate_point point
-      postgis_calculate(:line_locate_point, [self, point])
+      postgis_calculate(:line_locate_point, [self, point]).to_f
     end
     
     #
     # Return a derived geometry collection value with elements that match the 
     # specified measure. Polygonal elements are not supported.
\ No newline at end of file