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 Set X Axis Rescale trigger value		  New Topic  Reply to Topic
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KnightHawk

23 Posts
Posted - 31 Mar 2016 :  16:35:26  Show Profile  Reply with Quote
Hi,

I have a real-time chart that has a time x-axis with a scrolling range of 1 hour. Every second a new data point is added to the graph.

Currently, my RTScrollFrame automatically rescales the associated x-axis coordinates XScaleStart and XScaleStop after the latest added datapoint has a value greater (or equal?) to the current XScaleStop.

I was wondering if there is a built-in RTScrollFrame setting that instead of waiting until the latest added datapoint is greater than the current XScaleStop, the RTScrollFrame can trigger its x-axis rescaling algorithm when the latest datapoint surpasses say, 90% of the coordinates x-axis range?

So instead of the timestamp at 60 minutes causing a rescale, a timestamp of 54 minutes causes a rescale on the chart with an x-axis range of 0 - 60 minutes.

I'm trying to ensure there is always at least 10% whitespace leading the latest datapoint.

Thanks

QCRTGraphNet Version 2.2.0.4

quinncurtis

1586 Posts
Posted - 01 Apr 2016 :  08:56:27  Show Profile  Reply with Quote
I understand what you describe. I took a close look at the software and do not see any way to implement a programmable margin on the RTScrollFrame reset trigger.
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