How waveform downsize the data before it is drawn

Hello

I am interested how does waveform downsize the entered data is plotted and what algorithm is used for this purpose? My goal is to draw 30 parcels that have 1 M samples each and I want to downsample them before tracing on a chart. I tried several screws/resampling algorithms and none of them gave the same result seen by waveform graph (when all samples are drawn).

For example, if only a sample of 1 M samples is 1 and all others are 0, then after 1 k samples downsampling the sample is not visible on the chart more. However, if I draw every 1 M samples directly on the graph, then also this 1 sample is visible (see attached example).


Tags: NI Software

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