# File lib/geokit/mappable.rb, line 509
      def from_point_and_radius(point,radius,options={})
        point=LatLng.normalize(point)
        p0=point.endpoint(0,radius,options)
        p90=point.endpoint(90,radius,options)
        p180=point.endpoint(180,radius,options)
        p270=point.endpoint(270,radius,options)
        sw=Geokit::LatLng.new(p180.lat,p270.lng)
        ne=Geokit::LatLng.new(p0.lat,p90.lng)
        Geokit::Bounds.new(sw,ne)
      end