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Passing large data to the chart

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When I create a chart I have to pass every point to the chart.

If the number of points and series is very large this process takes very

long time.

Also, this consumes lots of memory as I store all the data in internal

structures and then duplicate them by passing to the chart.

Is there any ways to avoid these problems?

For example, it would be great to pass data on demand, ie when the chart

need to draw a point (or range of points) it would send a notification and

the app would return data.

Is it possible?

Serge S. Spiridonoff

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