Highcharts Javascript API

Highcharts Javascript API

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  1. Pagination facility providing is most important for bar charts

    3 votes
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  2. Chart options strongly depend on chart type and other options. For example, ticks on x/y axis. Depending on what type was chosen (linear, logarithmic, datetime or category), ticks are configured differently.

    And I really suffer when I read docs and don't clearly understand which properties work with others, and which are useless together.

    I suggest you to update docs, or implement chart options validation, or even provide us some external service to check, if given options are valid. In ideal world, if options are not valid, it would say why and maybe suggest something.

    3 votes
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  3. It would be nice to have a default formatter for displaying numbers in scientific notation

    3 votes
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  4. Please add the feature of spacing between series

    3 votes
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  5. Idea is shown here: http://waszczyk.com/resources/rectandleDoNotDelete.PNG Top edge indicates a maximum from chart and bottom edge shows a minimum with respect to input- T1 and T2. The background color is faded and custimizable.

    3 votes
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  6. It would be great if the borders around the charts had similar controls to that of CSS where we could edit the border colors and thicknesses individually. My one example is that we need to have only the left border of a chart thick red while the rest of the borders are to remain thin and gray. Here is an example image: http://connect.urnerbarry.com/public/album_photo/1d/09/0914_e1ba.PNG?c=332c

    There is an old idea that is similar but doesn't appear to have any replies other than mine here: http://highcharts.uservoice.com/forums/55896-highcharts-javascript-api/suggestions/4974960-can-we-have-series-border-options-like-left-border

    3 votes
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  7. Being able to configure not just the fill colour of the bars in a chart, but the outline colour as well.

    3 votes
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    under review  ·  1 comment  ·  Flag idea as inappropriate…  ·  Admin →

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  8. This would allow retrieveal of max and min data for that series. On a multi-series graph the axis extremes are nice, but being able to grab the extemes of each series would allow for more flexabiilty in data display.

    3 votes
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  9. I want to do something after the tooltip shows.
    And I found the "point hover" event

    But when I use the "crosshair" option, it doesn't need to hover the points to trigger the tooltip, anywhere of the chart triggers the tooltip

    So now I can only do something when user's mouse hovers the points

    I want to do it when the tooltip shows,

    So i think it's better to add a "after tooltip show" event in options.

    thanks

    2 votes
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  10. It would be nice to have an option to export chart (as PDF) to datauri string instead of file.
    This can be done now indirectly, by obtaining chart's underlying svg, calling svg2pdf and finally using jsPDF doc.output('datauristring')
    [which returns the base64 dataUri] instead of downloading file.

    Maybe as an option in 'exporting' object?
    Or by exposing new method, i.e. Highcharts.exportToUri() ?

    Or maybe there's some simpler way that I am not aware of?
    Thank you.

    2 votes
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  11. When plotting a plodBand it doesn't plot the top border, if it's required to not plot the top border for some use cases, there should be an option to plot or not the top border.

    1 vote
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  12. I have data that is 10's of thousands of points per chart, so the named value pair form of the chart won't work. So I'd like to request a new feature. Where you let me use 1 or 2 indexes into the point data to define a series, but allow me to access all of the data from the tooltip. So for a line chart I would define the series by the array name, and 1 index and for a scatter chart I would define the series by the array name and 2 indices. But the this.point would refer to…

    1 vote
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  13. The boost module would be beneficial for large dataset when using the sankey chart. We are experiencing a severe degradation in performance with large datasets on this chart type

    1 vote
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  14. Hello, we are your customer and urgently need Pie chart with negative and positive values

    1 vote
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  15. 1 vote
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  16. Reading a pie chart is like reading a clock. It's most effective to place the largest segment at 12 o'clock (as it does now). The best way to order the rest of the segments is to place the second biggest slice at 12 o'clock on the left; the rest would follow counterclockwise.

    1 vote
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  17. Most things in HighCharts have smart defaults, so unset options will do something reasonable. But plotLines is not this way: if the user does not explicitly specify a width and color, no line will be drawn (and sometimes a JS error will happen).

    Example which works but includes comments on how to easily break it: http://jsfiddle.net/LKayp/

    I think plotLines (and addPlotLines) should default to a reasonable width and color, just as regular series lines do.

    1 vote
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  18. Provide a property for donut chart to show the aggregated total exactly at the center of donut

    var colors = Highcharts.getOptions().colors,
    categories = [
    "Chrome",
    "Firefox",
    "Internet Explorer",
    "Safari",
    "Edge",
    "Opera",
    "Other"
    ],
    data = [
    {
    "y": 62.74,
    "color": colors[2],
    "drilldown": {
    "name": "Chrome",
    "categories": [
    "Chrome v65.0",
    "Chrome v64.0",
    "Chrome v63.0",
    "Chrome v62.0",
    "Chrome v61.0",
    "Chrome v60.0",
    "Chrome v59.0",
    "Chrome v58.0",
    "Chrome v57.0",
    "Chrome v56.0",
    "Chrome v55.0",
    "Chrome v54.0",
    "Chrome v51.0",
    "Chrome v49.0",
    "Chrome v48.0",
    "Chrome v47.0",
    "Chrome v43.0",
    "Chrome v29.0"
    ],
    "data": [
    0.1,
    1.3,
    53.02,
    1.4,
    0.88,
    0.56,
    0.45,
    0.49,
    0.32,
    0.29,
    0.79,
    0.18,
    0.13,
    2.16,…

    1 vote
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  19. Plotlines are excellent to point out interesting Things in the chart. With large datasets it can be a good thing to be able to have an additional label for the exact value of that plotline

    1 vote
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  20. When showing a line on scatter chart it can be hard to tell where the line started and where it ended.

    Having a dashStyle option that was similar to plotOptions.scatter.dashStyle = 'dot' except that instead of a dot it was a rotated triangle that pointed in the direction the line was going would be awesome.

    I saw some hacks for turning the entire line into one long arrow but that isn't what I was looking for.

    1 vote
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