def getCrossHatchPointLine(crossHatchPointLineTable, y):
 if (not crossHatchPointLineTable.has_key(y)):
  crossHatchPointLineTable[y] = {}
 return crossHatchPointLineTable[y]

def getCrossHatchPointLine ( crossHatchPointLineTable , y ) : if ( not crossHatchPointLineTable . has_key ( y ) ) : crossHatchPointLineTable [ y ] = { } return crossHatchPointLineTable [ y ]
get the cross hatch point line .