LabVIEW
problems with graphs
@jjv wrote:
Hi!
I have serious problems save the data to the xy-graph display...When I accomplish measusuremnt (line/curve) wont save in the xy-graph display...it shows only present data...It would show the line/curve very fast and the its gone...Do I must create some kind of xy-chart or etc. but how...??
Your have two problems:
(1) You feed the shift register with the empty array at each iteration instead of the output of the newly appended array. Thus at each iteration you only see the new data. You can fix this by making the changes outlined in the attached image.
(2) The main cause for this error is the fact that your diagram is too disorganized and messy. This makes debugging really hard and mistakes are easily introduced. I cannot comment on the rest of your code, because I don't know what you want to do, but the attached VI shows a slighly cleaned up version.
Some more points to consider:
Do you really need to reconfigure your entire DAQ at each iteration?
How long is this supposed to run? You need to ensure that your arrays don't grow without bounds or you'll have a GB of data after a day in your shift register and your xy-graph. At one point, it will slow down or crash.
Message Edited by altenbach on 04-30-2005 09:23 AM
