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Aliasing Problem
Posted: Thu Dec 05, 2013 3:24 pm
by TheGian
recently analyzing a recording of one of my device (with sampling at 100 ms) appeared this problem: at some point X is drawn correctly point Y and a second point. the data is correct and there is no overlap in time. could be due to some setting of the series?
- problem_library.png (121.25 KiB) Viewed 7542 times
how can i solve this problem?
Best Regards
Gian
Re: Aliasing Problem
Posted: Thu Dec 05, 2013 5:43 pm
by ArctionPasi
Hi Gian,
Which series type do you use? PointLineSeries? Ensure you are always defining the Points array so that X is at least X of previous point, x[i+1] >= x.
I'm suspecting there may be some 0 X values in the end of array which could cause the extra line rendering from the end to X origin.
Re: Aliasing Problem
Posted: Fri Dec 06, 2013 10:13 am
by TheGian
yes PointLineSeries, with a MakeStairLinePoints functions.
your suspect is right.
I have analyzed point per point my recording and I saw a change of the date.
Thank you very much for the Help
