Highcharts Javascript API

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  1. Step line that draws leading or following part

    Currently, I can use a step line to draw non-continuous data. However, the rendering of the first or last data points in a series does not show the leading or following horizontal data line.

    For example, the last data point in the first series represents the data from Apr to May. However, the rendering makes it seem like it's only data for Apr and that there's a gap in data between Apr and May.

    http://jsfiddle.net/4D7US/

    28 votes
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    2 comments  ·  Flag idea as inappropriate…  ·  Admin →
  2. sunburst

    Extend the donut pie chart to show all data points as a subsection of the inner layer:

    http://www.cc.gatech.edu/gvu/ii/sunburst/sb-full.html

    27 votes
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    0 comments  ·  Flag idea as inappropriate…  ·  Admin →
  3. Color blind readability.

    Support background textures on solid color UI elements like Pie and Bar charts.

    Ideal solution would be angled lines in the charts for example http://www.inetsoft.com/images/screenshots/controlling_texture_in_a_bar_chart.gif

    27 votes
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  4. HighStock Navigator as a standalone component.

    Hi,

    Please make HighStock navigator a standalone component.

    It could have several usages besides driving the HighStock time:
    - immediate time selection/change for any web application - much more intuitive than just a Date + Time picker. Right now there's nothing similar: you have it, it's user friendly, but it' just not standalone.
    - use to zoom in and out several HighCharts (not HighStock) in the same page. Right now there's only a mouse based zoom (with and selection), but that's not very efficient when using more than one chart in the same page. Syncing those charts is still not…

    27 votes
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    8 comments  ·  Flag idea as inappropriate…  ·  Admin →
  5. 27 votes
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  6. import excel sheet data

    I want to create line chart. I need to import the data from Excel sheet (.xls file). How can I do that? Is it possible?

    27 votes
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  7. Activity gauge - gradient with animation

    Hi All,

    I'm making a dashboard using Activity Gauge (http://www.highcharts.com/demo/gauge-activity) to show data.
    I need to make it with gradient effect like darker to lighter which seems not possible with linear or radial gradient logically it seems not possible.
    some how I have written an script with the help of support guy but seems not perfect solution as it do not have good visualisation and performance on browsers (very slower to load) see my samples -
    http://jsfiddle.net/td2v4u4z/47/
    http://jsfiddle.net/td2v4u4z/48/
    http://jsfiddle.net/td2v4u4z/52/

    I need charts with more sharp lines and clean curves like http://www.highcharts.com/demo/gauge-activity

    Can any one suggest me the perfect…

    27 votes
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    2 comments  ·  Flag idea as inappropriate…  ·  Admin →
  8. multiple chart export

    It would be really great to be able to export multiple charts to a single image

    27 votes
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  9. Better Performance - Provide jqmobi (Intel AppFramework) adapter

    Problems:
    1. Highcharts is awesome, but consumes too much of resources on less performant systems
    2. jQMobi is fast, building Apps with jQUI a joy, but getting it to live in harmony with Highcharts + jQuery on the same page can become quite a hassle and re-introduces the (comparably slow) jQuery into your app.

    Having a jqmobi adapter would be great.

    See https://github.com/01org/appframework for jqmobi reference and code.

    26 votes
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  10. Background color for labels on the Axis.plotLines

    I would love to be able to set background color for labels on the yAxis.plotLines:

    yAxis: {
    ...
    plotLines: {
    color: ...,
    width: ...,
    value: ...,
    label: {
    text: '...',
    style: {
    color: '...',
    backgroundColor: '...'
    }
    }
    }
    }

    26 votes
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  11. Add Print and Export events handler

    It'd be useful to have access to some more events, specifically I was thinking about 4 new events which could be captured and managed by dedicated handlers: onStartPrint, onFinishPrint, onStartExport and onFinishExport

    The first two are related to the act of printing the chart via the print button, the other two are related to chart exporting.

    26 votes
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    5 comments  ·  Flag idea as inappropriate…  ·  Admin →
  12. Border for each legend item

    set border color,width, dash style for legend item for look like series.
    I mean, customize each item legend

    26 votes
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  13. Sort the legend

    Right now it looks alphabetical in the legend even though the data shows by yAxis in the graph. Sorting would help with turning plots on or off.

    25 votes
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  14. Dynamic histogram charts

    I would love to see interactive histogram charts. Ideally I would pass a single series of data to the chart, along with a default number of bins. Then the user would be able to change the number of bins and the data would be re-binned and the chart re-drawn. Bin labels would be need to be regenerated automatically as well, either from the range of each bin, or its center-point.

    An example:

    Series: { data: [1,2,1,2,1,2,3,3,4,4,4,4,4] }
    Histogram: { defaultBins: 2}

    would become:

    xAxis: { Categories: [ "1-2", "3-4"] }
    Series: { Date: [6, 7]}

    Then if the user changed…

    25 votes
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    12 comments  ·  Flag idea as inappropriate…  ·  Admin →
  15. 25 votes
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    1 comment  ·  Flag idea as inappropriate…  ·  Admin →
  16. Bower Component

    Please add a component.json and add Highcharts to the Bower registry.
    http://twitter.github.com/bower/

    25 votes
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  17. Add broken line segments for null values

    If the 'y' value of a point is null for a line type of graph, then option should be available to either automatically switch to a dashed line or not to display the line entirely till 'y' gets set to non-null value

    25 votes
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    4 comments  ·  Flag idea as inappropriate…  ·  Admin →
  18. Pie label distance as percentage of pie size

    Allow percentage value for option dataLabels.distance (percentage of the pie radius). That way I can make sure that the labels fit inside their slice for every label length and pie size.
    http://jsfiddle.net/kzoon/ntDX9/ shows what I mean. If you use distance -30 longer datalabels go outside their slide. If you use -50 they fit, but that will mess up small pies (100px).

    24 votes
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  19. x zoom for multiseries data

    I have four series of data, and each series only has one data point. I would like to render these data with x-dimension zoom ability as good as 4 data points in one series. If this is a duplicate topic, I am really sorry, because I could not find a similar one.

    Here is the fiddle: http://jsfiddle.net/yMSCZ/8/

    I was trying to approach it by adding dummy x value to each data point from each series: http://jsfiddle.net/yMSCZ/9/ But it did not work out.

    I understand in the first fiddle, HC will treat all the four points with the same x index,…

    24 votes
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  20. Custom approximation function

    I would like to have an approximation function in which we can access all the information from the points instead of just the y values. This allows me to not only decide how to group but also an ability to capture information from all the points into the grouped point.

    24 votes
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Highcharts Javascript API

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