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I have a graph that is trying to plot one series that can be about 100,000 points from data that is generated in real time over the course of about 2 minutes, but the rendering starts to choke right around 15,000 points. I have already have created a new FixedSeriesSampler to reduce the points drawn to 150 (from the default 400), but still performance is very poor and my UI is unresponsive. I have other controls that also bind to this same datasource, and when I choose to not graph, app performance is fantastic. I have requirements to have a datasource well into the million+ point range. Is there some way you can offer performance similar to he SciTech graph and their DirectX renderer? |
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Hello Our chart control is designed to easily handle millions of data points, so we can certainly sort this out - just need to find out what's wrong here.. I've setup a simple chart at my end that rapidly adds data to a BindingList, and the performance of the application remains smooth beyond 100,000 data points added using the default 400 rendered points. You may have set up the chart in a way that we've overlooked for keeping the performance high. Could you please send a simple repro project that adds data like you've described which demonstrates this performance issue. I'm sure we can find the source of the issue. -Jason Fauchelle |
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