Highcharts Javascript API

Highcharts Javascript API

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  1. 1 vote
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    1 comment  ·  Flag idea as inappropriate…  ·  Admin →
  2. 1 vote
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  3. I have some usefull trick to center map on non empty (with some data) regions to avoid this case:
    https://gyazo.com/35fd0d74d3e773f694790c5fc0c95ece

    and now i can show only usefull part of highmap, by default:
    https://gyazo.com/d7ca32d8ce8b1535bddd331a997c67b8

    {code}
    const points = this.chart.series[0];

        let minX = Number.MAX_SAFE_INTEGER,
    
    maxX = Number.MIN_SAFE_INTEGER,
    minY = Number.MAX_SAFE_INTEGER,
    maxY = Number.MIN_SAFE_INTEGER;

    if (!points) return;

    this.chart.series[0]
    .getValidPoints()
    .forEach(item => {
    if (item['_minX'] && item['_maxX'] && item['_minY'] && item['_maxY']) {
    minX = Math.min(minX, item['_minX']);
    maxX = Math.max(maxX, item['_maxX']);
    minY = Math.min(minY, item['_minY']);
    maxY = Math.max(maxY, item['_maxY']);
    }
    });

    this.chart.series[0].xAxis.setExtremes(minX, maxX, true);
    this.chart.series[0].yAxis.setExtremes(minY, maxY, true);
    this.chart.redraw();

    {code}

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  4. Some charts, such as heatmaps, frequently have categorical x and y axis values. Converting categories to numerical indices adds extra code and possibility for error. X-axis categorical values can be specified within an object array using the "name" field. I suggest a similar field ("yname") to specify y values by name, rather than index.

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  5. In most gantt charts, the ability to resize and drag in addition to the chart for the gantt charts table has also been implemented.
    This means we can change the size of the table columns
    We can also move the table rows with tasks

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

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  7. 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

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  8. The totals column on a waterfall with a date is always placed on the timeline somewhere. The totals isn't actually a part of the date timeline, it's an aggregated value and should be able to be marked as such.

    Basic ask is for an additional tick that is customizable that represents the placement of the placement of the connected totals column.

    Problem described more fully here:
    https://github.com/highcharts/highcharts/issues/10458

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  9. moment.js and moment-timezone.ts are obsolete. Please remove dependencies on them. In fact, don't add dependencies, provide a callback for the needed functionality so we can choose between luxon and spacetime.

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  10. I like the new "Item" chart. But I have been frustrated with the management of real. It would be really nice if the last item point/symbol could be cut according to the decimal corresponding.
    https://jsfiddle.net/9n3kbyzs/
    Even if we want to display a percentage, the rounding method (it's a ceiling round) result in a chart with 102 items (I don't want to round number before because on hover I want the real value to be displayerd).
    Thanks

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  11. I need to have color that is different from the parent set for the intersected part in the venn diagram and then if I give pattern then the pattern must be applied to the given portion with the same color that is specified for that particular area.

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  12. Hi Team,

    Request you to implement a functionality to export the data of two charts into .CSV and .XLS files in such a way that the exported files have data grouped based on timestamp and not just appended one to another.

    Please find below an example :

    Export File Data with current functionality :

    27-05-2019 12.5 45.68 67.8
    27-05-2019 14.5 70.98 90.87
    28-05-2019 10 15 90
    28-05-2019 12.5 14.5 89.6
    29-05-2019 67.5 78.5 67.5

    Actual Export File Data needed :

    27-05-2019 12.5 45.68 67.8 14.5 70.98 90.87
    28-05-2019 10 15 90 12.5 14.5 89.6
    29-05-2019 67.5 78.5 67.5

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  13. For more data in tooltip need paginated, othersiwe scroll option, and on hover it should wait that tooltip to see all data

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  14. Currently, when you try to export a chart as a .XLS file, it strips the subtitle. Subtitles can contain important information and should be kept. I posted about this in the form and code to retain the subtitle was developed - see here: https://www.highcharts.com/forum/viewtopic.php?f=9&t=42149&p=148301#p148301

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  15. In our project we use the drilldown stack column. Due to the large number of stacks, now we have given a scroll bar and want to sort the stacks depending on the total value of stacks. e.g. if I have 3 stacks stack1, stack2 and stack3. Now if total value of each stack is 20,10,30 than the order of stack will be plotted in graph like, stack2,stack1,stack3.
    If this feature is available or possible in Highcharts. Also please let me know if this feature is paid?

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  16. I want all the stacked bars (each series) of type bar chart to be rounded from right end corner only.

    I found a plugin but this does not support rounded corners for stacked bar chart
    https://github.com/highcharts/rounded-corners

    If there is any other plugin available or any solution already in Highcharts please let me know.
    Request immediate support, as i am having a urgent requirement.

    Thanks.

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  17. add two islands for VietNam: Hoàng Xa and Trường Xa. PLess....

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  18. Assign hotspots to candlesticks that display different tooltips upon mouse hover. For example if mouse hovers over High price, display OHLC tooltip. If mouse hovers over another part of candlestick, display another tooltip, etc.

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  19. In the funnel 3D diagram, when the values of layers differ too much, the layers with the smaller value is extremely hard to see in the funnel diagram. Can you update the api to support connecting lines between each layer and corresponding value?

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  20. Hallo team, in highstock you have "measure" feature that give me MIN,MAX,AVERAGE,BINS.
    Would me more interesting for stock chart to have % difference from min to max or max to min if i measure downward.
    is very simple calculation, could you maybe evauate this?

    i ask to have:
    MIN
    MAX
    AVG
    BINS
    %+ (or %-)

    vould be also great if measurement feature will have magnet that can be anchor to min/max.

    Is not possible to load here one picture, but i hope you understood well. I also opened ticket with picture: #2116 Measure GUI

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