+$svg = null # jquery object for svg element
+svg = null # dom object for svg element
+selection = null
+svg_ns = 'http://www.w3.org/2000/svg'
+mouse = [0,0]
+
+update_path = (path, data, flags) ->
+ d = ''
+ for loc, i in data
+ if i is 0
+ d += 'M '
+ else
+ d += ' L '
+ d += "#{loc[0]} #{loc[1]}"
+ if flags?.to_mouse?
+ d += "L #{mouse[0]} #{mouse[1]}"
+ if flags?.close?
+ d += " z"
+ path.setAttribute "d", d