def __init__(self, rectifiedgrid):
    super(RectifiedGrid, self).__init__(rectifiedgrid)
    self.origin = rectifiedgrid.find('{http://www.opengis.net/gml}origin/{http://www.opengis.net/gml}pos').text.split()
    self.offsetvectors = []
    for offset in rectifiedgrid.findall('{http://www.opengis.net/gml}offsetVector'):
        self.offsetvectors.append(offset.text.split())
def __init__(self, rectifiedgrid):
    super(RectifiedGrid, self).__init__(rectifiedgrid)
    self.origin = rectifiedgrid.find('{http://www.opengis.net/gml}origin/{http://www.opengis.net/gml}pos').text.split()
    self.offsetvectors = []
    for offset in rectifiedgrid.findall('{http://www.opengis.net/gml}offsetVector'):
        self.offsetvectors.append(offset.text.split())