def getLast25hours(ref):
dsi = ref.getData().getIterator()
esi = ElementFilterIterator(dsi, Constants.DEFAULT_FLAG_FILTER)
while not esi.atEnd():
esi.advance()
esi.retreat()
el = esi.getElement()
endTime = TimeFactory.getInstance().createTime(el.getXString())
tidalDay = TimeFactory.getInstance().createTimeInterval('25hours')
startTime = endTime.create(endTime)
startTime.incrementBy(tidalDay,-1)
tw = TimeFactory.getInstance().createTimeWindow(startTime,endTime)
return DataReference.create(ref,tw)
def getLast25hours(ref):
dsi = ref.getData().getIterator()
esi = ElementFilterIterator(dsi, Constants.DEFAULT_FLAG_FILTER)
while not esi.atEnd():
esi.advance()
esi.retreat()
el = esi.getElement()
endTime = TimeFactory.getInstance().createTime(el.getXString())
tidalDay = TimeFactory.getInstance().createTimeInterval('25hours')
startTime = endTime.create(endTime)
startTime.incrementBy(tidalDay, -1)
tw = TimeFactory.getInstance().createTimeWindow(startTime, endTime)
return DataReference.create(ref, tw)
# get the 30th good value missing_iterator.positionAtIndex(29) element = missing_iterator.getElement() print element.getX(), element.getY(), element.getFlag() # a loop to loop over all the values till it # reaches the end # we get the element and advance, then check if are at end # if not we continue doing so till we hit the end while not missing_iterator.atEnd(): element = missing_iterator.getElement(); missing_iterator.advance() # # lets step through back, always retreat then get element then check # while not missing_iterator.atStart(): missing_iterator.retreat() element = missing_iterator.getElement() # # to rewind quickly missing_iterator.resetIterator(); # # Lets now do the flags # # each flag filter is predefined in FlagUtils class questionable_filter = FlagUtils.QUESTIONABLE_FILTER reject_filter = FlagUtils.REJECT_FILTER # to make our job easier there is a composite filter called # CompositeFilter. It accepts an array of ElementFilter's # and its isAcceptable method returns true only when all the # contained element filters consider the element acceptable
# get the 30th good value
missing_iterator.positionAtIndex(29)
element = missing_iterator.getElement()
print element.getX(), element.getY(), element.getFlag()
# a loop to loop over all the values till it
# reaches the end
# we get the element and advance, then check if are at end
# if not we continue doing so till we hit the end
while not missing_iterator.atEnd():
element = missing_iterator.getElement()
missing_iterator.advance()
#
# lets step through back, always retreat then get element then check
#
while not missing_iterator.atStart():
missing_iterator.retreat()
element = missing_iterator.getElement()
#
# to rewind quickly
missing_iterator.resetIterator()
#
# Lets now do the flags
#
# each flag filter is predefined in FlagUtils class
questionable_filter = FlagUtils.QUESTIONABLE_FILTER
reject_filter = FlagUtils.REJECT_FILTER
# to make our job easier there is a composite filter called
# CompositeFilter. It accepts an array of ElementFilter's
# and its isAcceptable method returns true only when all the
# contained element filters consider the element acceptable
