code: def get_transform_vector(self, resx, resy):
          
          return self.x_min, self._parse_resolution(resx), 0, self.y_max, 0, -self._parse_resolution(resy)
docs: Given resolution it returns a transformation vector
  
          :param resx: Resolution in x direction
          :type resx: float or int
          :param resy: Resolution in y direction
          :type resy: float or int
          :return: A tuple with 6 numbers representing transformation vector
          :rtype: tuple(float)