-if params['lon'] and params['lat']
- lon = h(params['lon'])
- lat = h(params['lat'])
- zoom = h(params['zoom'] || '5')
- layers = h(params['layers'])
-
-elsif params['mlon'] and params['mlat']
- lon = h(params['mlon'])
- lat = h(params['mlat'])
- zoom = h(params['zoom'] || '12')
- layers = h(params['layers'])
-
+if params[:bbox]
+ bbox = true
+ minlon, minlat, maxlon, maxlat = params[:bbox].split(",").collect { |c| c.to_f }
+ layers = params[:layers]
+ box = true if params[:box] == "yes"
+ object_zoom = false
+elsif params[:minlon] and params[:minlat] and params[:maxlon] and params[:maxlat]
+ bbox = true
+ minlon = params[:minlon].to_f
+ minlat = params[:minlat].to_f
+ maxlon = params[:maxlon].to_f
+ maxlat = params[:maxlat].to_f
+ layers = params[:layers]
+ box = true if params[:box]=="yes"
+ object_zoom = false
+elsif params[:lon] and params[:lat]
+ lon = params[:lon].to_f
+ lat = params[:lat].to_f
+ zoom = params.fetch(:zoom, 5).to_i
+ layers = params[:layers]
+ object_zoom = false
+elsif params[:mlon] and params[:mlat]
+ lon = params[:mlon].to_f
+ lat = params[:mlat].to_f
+ zoom = params.fetch(:zoom, 12).to_i
+ layers = params[:layers]
+ object_zoom = false