can you send an example page ?
On Tue, Jun 29, 2010 at 5:27 AM, Nick Retallack <[email protected]>wrote:
> Given any annotated time line, if you do this repeatedly, you will
> find the visible portion of your chart marches by units of your time
> zone with every iteration.
>
> for (i = 0; i < 5; i++){
> var range = chart.getVisibleChartRange()
> chart.setVisibleChartRange(range['start'], range['end'])
> }
>
> That means getVisibleChartRange does not produce output that
> setVisibleChartRange expects. But the problem is even worse than
> that. You don't even have to call getVisibleChartRange repeatedly:
> setVisibleChartRange alters the date objects you pass into it each
> time.
>
> var range = chart.getVisibleChartRange()
> for (i = 0; i < 5; i++){
> console.debug(range) // wtf, it's different every time
> chart.setVisibleChartRange(range['start'], range['end'])
> }
>
> I am assuming this means that setVisibleChartRange expects dates in
> your data's time zone and adjusts them to the client's time zone
> internally without creating new date objects, while
> getVisibleChartRange simply returns the client time that is displayed
> on the chart. Either way, it's totally ignoring the time zone data in
> the Date object, leading to very confusing results.
>
> ---
>
> Btw, what I was trying to do here was synchronize all annotated
> timelines on the page, so if you zoomed in one of them, all of them
> would zoom to the same place. It seems I have to adjust for the time
> zone every time though. They also respond to adjustments rather
> slowly.
>
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