def marker():
 def prep(r):
  if r.interactive:
   if (r.method == 'create'):
    table = r.table
    table.height.readable = False
    table.width.readable = False
  return True
 s3.prep = prep
 return s3_rest_controller(rheader=s3db.gis_rheader)

def marker ( ) : def prep ( r ) : if r . interactive : if ( r . method == 'create' ) : table = r . table table . height . readable = False table . width . readable = False return True s3 . prep = prep return s3_rest_controller ( rheader = s3db . gis_rheader )
specifies detailed configuration for a marker attribute .