- def update_bbox!(array)
- # ensure that bbox is cached and has no nils in it. if there are any
- # nils, just use the bounding box update to write over them.
- @bbox = bbox.zip(array).collect { |a, b| a.nil? ? b : a }
-
- # only try to update the bbox if there is a value for every coordinate
- # which there will be from the previous line as long as both array and
- # bbox are all non-nil.
- if has_valid_bbox? and array.all?
- # FIXME - this looks nasty and violates DRY... is there any prettier
- # way to do this?
- @bbox[0] = [-180 * GeoRecord::SCALE, array[0] + EXPAND * (@bbox[0] - @bbox[2])].max if array[0] < @bbox[0]
- @bbox[1] = [ -90 * GeoRecord::SCALE, array[1] + EXPAND * (@bbox[1] - @bbox[3])].max if array[1] < @bbox[1]
- @bbox[2] = [ 180 * GeoRecord::SCALE, array[2] + EXPAND * (@bbox[2] - @bbox[0])].min if array[2] > @bbox[2]
- @bbox[3] = [ 90 * GeoRecord::SCALE, array[3] + EXPAND * (@bbox[3] - @bbox[1])].min if array[3] > @bbox[3]
+ def update_bbox!(bbox_update)
+ bbox.expand!(bbox_update, EXPAND)