+template<typename T, unsigned D>
+inline Coverage ExtrudedShape<T, D>::get_coverage(const BoundingBox<T, D> &bbox) const
+{
+ T half_length = length/T(2);
+ if(bbox.get_maximum_coordinate(D-1)<-half_length || bbox.get_minimum_coordinate(D-1)>half_length)
+ return NO_COVERAGE;
+
+ BoundingBox<T, D-1> base_bbox(bbox.get_minimum_point().template slice<D-1>(0), bbox.get_maximum_point().template slice<D-1>(0));
+ Coverage coverage = base->get_coverage(base_bbox);
+ if(coverage==NO_COVERAGE)
+ return NO_COVERAGE;
+
+ if(bbox.get_minimum_coordinate(D-1)<-half_length || bbox.get_maximum_coordinate(D-1)>half_length)
+ return PARTIAL_COVERAGE;
+ else
+ return coverage;
+}
+