def __init__(self, fromid, toid, val, dist=None, stdev=None, textTable=None):
"""height difference:
fromid id of stand point
toid id of target
val measured value in meters
stdev standard deviation in milimeters
dist distance of leveling section in kilometers
"""
if dist == None and stdev == None:
raise ObsHeightDiffError, "no stdev and no dist set"
if dist != None and stdev != None:
raise ObsHeightDiffError, "both stdev and dist set"
if textTable == None:
textTable = obs_height_diff_table()
super(ObsHeightDiff, self).__init__(tag="dh", fromid=fromid, toid=toid,
val=val, stdev=stdev,
textTable=textTable,
stdevscale=1e3)
self.dist = dist
self._dim = 1
def __init__(self, textTable=None):
if textTable == None:
textTable = obs_height_diff_table()
super(ObsClusterHeightDiff, self).__init__(textTable=textTable)