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Highcharts Javascript API

Highcharts Javascript API

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  1. I know the current Highcharts support animation when updating series data. However, I think Highcharts would be really useful if it can provide a way to play, replay, step forward, step backwards kind of interface.

    Let say I have a time series chart, then I have configured the chart to only display 10 data points with spline. Then load the series of data containing 100 data points. When user clicks play, it will play through the data trend.

    Same thing can apply to bar and pie charts. But ultimately, I think the most interesting one is using with Heatmap.

    4 votes
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  2. 5 votes
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  3. Theme being a global object (Highcharts.theme = {...}) is quite limiting - we have some cases where we want to have multiple charts on 1 page but with different themes.

    To do that now we have to intersperse all the theming options with the rest of the options, which works, but is somewhat clunky. Or we can set the theme, render 1, set the theme, render another and hope there are no redraws required.

    This suggestion is about adding a theme argument either to the highcharts options object, or to the constructor. eg:

    new Highcharts.chart({
    theme: {...},
    chart: {...},
    series:…

    3 votes
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    The theme actually isn’t part of the Highcharts namespace internally, it is just assigned there for conveniency.

    Best practice currently would be to merge in the theme with your chart options:

    chart1 = new Highcharts.Chart(Highcharts.merge(options1, theme1));

  4. 2 votes
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  5. Allow the rangeSelector options to be associated with a specific xAxis for the Stock product.

    If more than one xAxis is present the rangeSelector does not seem to work. I would like to tie it to the xAxis used for the navigator.

    1 vote
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  6. So, we have 2 columns series and 2 scatter series and all these 4 are pointing to a single category item.

    Occasionally, there is a need to show stacked points scaling together with the transforming columns whenever we show or hide column series belong to a single category point.
    Unfortunately, currently even if we stack column 1 and scatter 1 & column 2 and scatter 2, the scatter points are staying on the exact same spot whereas the columns are transforming during show and hide.

    the only thing necessary is to adjust the "x" value of the scatter points to…

    7 votes
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  7. Users often overlook the link and cannot reset the zoom level.

    17 votes
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  8. 3 votes
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  9. Add possibility to give the piechart itself a backgroundColor. So only the circle area.

    1 vote
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  10. once in a while you want to know which part of theorld vist your site, or maybe its a you wamt to generate stats based on a question you askec your user

    1 vote
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  11. Trigger an event with X,Y.. when hovering the mouse over the chart.

    2 votes
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  12. 2 votes
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  13. Same as Bar with negative stack but instead of data points starting out from the center and going outwards towards the left Y-axis and right Y-axis, have data start from the left and right Y-axis but moving towards the center (with an arrow for each bar)

    3 votes
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  14. 3 votes
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  15. 3 votes
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  16. When assesing alogrithmic stock exchange strategies a common factor to look at is the drawdown. This is the line which calculates worst case scenarios. See an example here (the line below): http://1.bp.blogspot.com/_BfLmdGI0L-U/TTM1v0-cBMI/AAAAAAAAAgQ/5x_T8pmcCZE/s1600/BCPC-Balchem-Corp-NASDAQ-Drawdown-Stock-Chart_20110116T131301.bmp

    3 votes
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  17. Set background image for tooltips/flags and so on.

    11 votes
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  18. 6 votes
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  19. We run on app engine and it doesn't play nicely with the current chart export...

    5 votes
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  20. to calculate the options.itemWidth for legend items to the maximum width of the legend items. i can send you my version but i think you could do it better ;)
    thx

    6 votes
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