 		yes_color = '#609846'
 		fix_color = '#FFB92D'
 		$.getJSON('/fixer/sessionProgress.json', (data) ->
-			# console.log(data);
+			# console.log(data)
+			return if data.fix_poly.features.length==0 && data.no_poly.features.length==0 && data.yes_poly.features.length==0
 			m = p.map
+
+			# marker clustering layer
 			markers = new L.MarkerClusterGroup
 				iconCreateFunction: (c) ->
 					count = c.getChildCount()

						"<strong>#{key}:</strong> #{val}"
					l.bindPopup(out.join("<br />"))
			)
			yes_json.addTo(m)
			no_json.addTo(m)
			fix_json.addTo(m)

			m.addLayer(markers)
			
			bounds = yes_json.getBounds()
			bounds.extend(no_json.getBounds())
			bounds.extend(fix_json.getBounds())

			m.layer.zoomToBounds()#.fitBounds(bounds)
		)
	
	addMarker: (markers, data, icon) ->

				polygonOptions:
					stroke: false
			
			# marker icons
			yes_icon = L.icon
				iconUrl: '/assets/images/marker-icon-yes.png'
				iconRetinaUrl: '/assets/images/marker-icon-yes-2x.png'
